WO2012026329A1 - 研磨用組成物及びそれを用いた研磨方法 - Google Patents
研磨用組成物及びそれを用いた研磨方法 Download PDFInfo
- Publication number
- WO2012026329A1 WO2012026329A1 PCT/JP2011/068217 JP2011068217W WO2012026329A1 WO 2012026329 A1 WO2012026329 A1 WO 2012026329A1 JP 2011068217 W JP2011068217 W JP 2011068217W WO 2012026329 A1 WO2012026329 A1 WO 2012026329A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polishing
- acid
- polishing composition
- colloidal silica
- silicon nitride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1436—Composite particles, e.g. coated particles
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
- H10P52/40—Chemomechanical polishing [CMP]
- H10P52/402—Chemomechanical polishing [CMP] of semiconductor materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
- H10P52/40—Chemomechanical polishing [CMP]
- H10P52/403—Chemomechanical polishing [CMP] of conductive or resistive materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/04—Planarisation of conductive or resistive materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/06—Planarisation of inorganic insulating materials
- H10P95/062—Planarisation of inorganic insulating materials involving a dielectric removal step
Definitions
- the present invention relates to a polishing composition used in a semiconductor device manufacturing process, for example, and a polishing method using the same.
- Patent Document 1 discloses a polishing composition containing phosphoric acid or a phosphoric acid derivative.
- Patent Document 2 discloses a polishing composition having a pH of 2.5 to 5 containing colloidal silica and an organic acid having a sulfonic acid group or a phosphonic acid group.
- these conventional polishing compositions do not sufficiently satisfy the user's requirements regarding the polishing rate of silicon nitride.
- an object of the present invention is to provide a polishing composition capable of polishing silicon nitride at a higher speed and a polishing method using the same.
- a polishing composition used for polishing silicon nitride comprising colloidal silica having an organic acid immobilized thereon, having a pH of 6 or less.
- a polishing composition is provided.
- a polishing composition capable of polishing silicon nitride at a high speed and a polishing method using the same are provided.
- the polishing composition of the present embodiment is prepared by mixing colloidal silica having an organic acid immobilized thereon with water. Therefore, polishing composition contains the colloidal silica which fix
- This polishing composition is mainly used for polishing silicon nitride, more specifically, for polishing a surface containing silicon nitride in an object to be polished such as a semiconductor wiring substrate.
- the immobilization of the organic acid on the surface of the colloidal silica contained in the polishing composition is performed by chemically bonding the functional group of the organic acid to the surface of the colloidal silica. If the colloidal silica and the organic acid are simply allowed to coexist, the organic acid is not fixed to the colloidal silica. If sulfonic acid, which is a kind of organic acid, is immobilized on colloidal silica, for example, the method described in “Sulfonic acid-functionalized silica through quantitative oxidation of thiol groups”, Chem. Commun. 246-247 (2003) It can be carried out.
- a silane coupling agent having a thiol group such as 3-mercaptopropyltrimethoxysilane is coupled to colloidal silica and then oxidized with hydrogen peroxide to fix the sulfonic acid on the surface.
- the colloidal silica thus obtained can be obtained.
- the carboxylic acid is immobilized on colloidal silica, for example, “Novel Silane Coupling Agents Containing a Photolabile 2-Nitrobenzyl Ester for Introduction of a Carboxy Group on the Surface of Silica Gel”, Chemistry Letters, 228, 229 (2000).
- colloidal silica having a carboxylic acid immobilized on the surface can be obtained by irradiating light after coupling a silane coupling agent containing a photoreactive 2-nitrobenzyl ester to colloidal silica. .
- the average primary particle diameter of colloidal silica in the polishing composition is preferably 5 nm or more, more preferably 7 nm or more, and even more preferably 10 nm or more. As the average primary particle diameter of colloidal silica increases, there is an advantage that the polishing rate of silicon nitride by the polishing composition is improved.
- the average primary particle diameter of colloidal silica in the polishing composition is also preferably 100 nm or less, more preferably 90 nm or less, and still more preferably 80 nm or less.
- the average primary particle size of the colloidal silica decreases, there is an advantage that it is possible to suppress the generation of scratches on the surface of the object to be polished after polishing with the polishing composition.
- the value of the average primary particle diameter of colloidal silica is computed based on the specific surface area of colloidal silica measured by BET method, for example.
- the average secondary particle diameter of colloidal silica in the polishing composition is preferably 10 nm or more, more preferably 20 nm or more, and further preferably 30 nm or more. As the average secondary particle diameter of colloidal silica increases, there is an advantage that the polishing rate of silicon nitride by the polishing composition is improved.
- the average secondary particle diameter of the colloidal silica in the polishing composition is also preferably 150 nm or less, more preferably 120 nm or less, and still more preferably 100 nm or less.
- the average secondary particle diameter of colloidal silica decreases, there is an advantage that it is possible to suppress the occurrence of scratches on the surface of the object to be polished after polishing with the polishing composition.
- the value of the average secondary particle diameter of colloidal silica can be measured by the light-scattering method using a laser beam, for example.
- the shape of the colloidal silica in the polishing composition is preferably non-spherical.
- the non-spherical colloidal silica may be one in which two or more primary particles are associated.
- the average degree of association of colloidal silica in the polishing composition is preferably 1.2 or more, more preferably 1.5 or more. As the average degree of association of colloidal silica increases, there is an advantage that the polishing rate of silicon nitride by the polishing composition is improved.
- the average degree of association of colloidal silica in the polishing composition is also preferably 4.0 or less, more preferably 3.0 or less, and even more preferably 2.5 or less. As the average degree of association of the colloidal silica decreases, there is an advantage that it is possible to suppress the occurrence of defects or increase in surface roughness on the surface of the object to be polished after polishing with the polishing composition.
- the content of colloidal silica in the polishing composition is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and further preferably 1% by mass or more. As the colloidal silica content increases, there is an advantage that the polishing rate of silicon nitride by the polishing composition is improved.
- the content of colloidal silica in the polishing composition is also preferably 20% by mass or less, more preferably 15% by mass or less, and still more preferably 10% by mass or less. As the colloidal silica content decreases, there is an advantage that the material cost of the polishing composition can be suppressed, and the aggregation of the colloidal silica can be suppressed.
- the pH value of the polishing composition needs to be 6 or less. When the pH exceeds 6, it is difficult to polish silicon nitride at a high speed using the polishing composition. From the standpoint of further improving the polishing rate of silicon nitride by the polishing composition, the pH value of the polishing composition is preferably 5 or less, more preferably 4.5 or less, and even more preferably 4 or less. .
- the pH value of the polishing composition is also preferably 1 or more, more preferably 1.5 or more, still more preferably 2 or more, and particularly preferably 2.5 or more.
- the pH of the polishing composition increases, the ratio of the polishing rate of silicon nitride to the polishing rate of polycrystalline silicon by the polishing composition increases, that is, polishing silicon nitride more preferentially than polycrystalline silicon. There is an advantage that can be.
- a pH adjuster may be used to adjust the pH of the polishing composition to a desired value.
- the pH adjusting agent used may be an inorganic acid or an organic acid, or may be a chelating agent.
- inorganic acids that can be used as pH adjusters include hydrochloric acid, sulfuric acid, nitric acid, hydrofluoric acid, boric acid, carbonic acid, hypophosphorous acid, phosphorous acid, and phosphoric acid. Of these, hydrochloric acid, sulfuric acid, nitric acid and phosphoric acid are preferred.
- Organic sulfuric acid such as methanesulfonic acid, ethanesulfonic acid and isethionic acid may be used.
- malonic acid succinic acid, glutaric acid, adipic acid, pimelic acid, maleic acid, dicarboxylic acids such as phthalic acid, malic acid and tartaric acid, and tricarboxylic acids such as citric acid are preferred.
- a salt such as an ammonium salt or alkali metal salt of the inorganic acid or organic acid may be used as a pH adjuster.
- a pH buffering action can be expected.
- the polishing composition may polish silicon nitride at a high speed, while polycrystalline silicon may not be polished at a high speed. Such performance may be required when the polishing composition is used for polishing the surface of an object to be polished containing not only silicon nitride but also polycrystalline silicon.
- the ratio of the polishing rate of silicon nitride to the polishing rate of polycrystalline silicon is preferably 2 or more, more preferably 4 or more, still more preferably 6 or more, and particularly preferably 8 or more.
- the polishing composition of the present embodiment contains colloidal silica in which an organic acid such as sulfonic acid or carboxylic acid is immobilized, and has a pH of 6 or less. Under pH 6 or less, the zeta potential of colloidal silica immobilized with an organic acid is negative. On the other hand, the zeta potential of silicon nitride is positive under the same pH of 6 or less. Therefore, if the polishing composition has a pH of 6 or less, the colloidal silica in the polishing composition does not electrically repel silicon nitride. Therefore, according to this polishing composition, silicon nitride can be polished at a high speed.
- an organic acid such as sulfonic acid or carboxylic acid
- the polishing rate of silicon nitride by the polishing composition is further improved. Can do.
- the polishing object after polishing with the polishing composition The occurrence of scratches on the surface can be satisfactorily suppressed.
- the polishing rate of silicon nitride by the polishing composition is further improved. be able to.
- the polishing object after polishing with the polishing composition It is possible to satisfactorily suppress the occurrence of scratches on the surface.
- the polishing rate of silicon nitride by the polishing composition is further improved. Can do.
- the polishing rate of silicon nitride by the polishing composition can be further improved.
- the average degree of association of colloidal silica in the polishing composition is 4.0 or less, more specifically 3.0 or less or 2.5 or less, after polishing with the polishing composition It is possible to satisfactorily suppress the occurrence of defects on the surface of the polishing object and the increase in surface roughness.
- polishing rate can be further improved.
- the content of colloidal silica in the polishing composition is 20% by mass or less, more specifically 15% by mass or less or 10% by mass or less, the material cost of the polishing composition can be reduced. In addition to this, it is possible to suppress the occurrence of colloidal silica aggregation.
- the polishing rate of silicon nitride by the polishing composition can be further improved.
- polishing composition has a pH value of 1 or more, more specifically, 1.5 or more, 2 or more, or 2.5 or more, nitriding of the polishing composition with respect to the polishing rate of polycrystalline silicon
- the ratio of the polishing rate of silicon can be increased.
- the ratio of the polishing rate of silicon nitride to the polishing rate of polycrystalline silicon by the polishing composition is 2 or more, more specifically 4 or more, 6 or more, or 8 or more, silicon nitride and polycrystalline silicon
- the polishing composition is used for polishing the surface of an object to be polished containing silicon nitride, it is possible to polish silicon nitride more preferentially than polycrystalline silicon.
- the embodiment may be modified as follows.
- the polishing composition of the above embodiment may further contain another abrasive grain in addition to the colloidal silica in which the organic acid is immobilized.
- the polishing composition of the above embodiment may further contain a water-soluble polymer.
- the water-soluble polymer can control the polishing rate of the object to be polished by the polishing composition, and insoluble components generated during polishing Also has a function of stabilizing in the polishing composition.
- water-soluble polymers that can be used include compounds having a polyoxyalkylene chain, more specifically, polyethylene glycol, polypropylene glycol, polyoxyethylene alkyl ether, polyoxyethylene lauryl ether sulfate, polyoxyethylene lauryl ether.
- examples include acetates, polyoxyethylene alkyl phosphates, and silicone oils having a polyoxyalkylene chain. Of these, polyethylene glycol and polypropylene glycol are preferred.
- polishing composition of the said embodiment contains water-soluble polymer
- content of the water-soluble polymer in polishing composition is 0.001 g / L or more, More preferably, it is 0.00. 005 g / L or more, more preferably 0.01 g / L or more.
- the ratio of the polishing rate of silicon nitride to the polishing rate of polycrystalline silicon by the polishing composition increases, that is, polishing silicon nitride more preferentially than polycrystalline silicon.
- the polishing composition of the said embodiment contains water-soluble polymer
- content of the water-soluble polymer in polishing composition is 10 g / L or less, More preferably, it is 5 g / L or less. More preferably, it is 1 g / L or less.
- content of the water-soluble polymer decreases, there is an advantage that the polishing rate of polycrystalline silicon by the polishing composition is improved.
- the polishing composition of the above embodiment may further contain an oxidizing agent such as hydrogen peroxide.
- the polishing composition of the above embodiment may further contain a known additive such as a preservative or a fungicide as necessary.
- a known additive such as a preservative or a fungicide as necessary.
- the antiseptic and fungicide include, for example, isothiazoline preservatives such as 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one, and paraoxybenzoic acid. Examples include acid esters and phenoxyethanol.
- the polishing composition of the above embodiment may be a one-component type or a multi-component type including a two-component type.
- the polishing composition of the above embodiment may be prepared by diluting the stock solution of the polishing composition, for example, 10 times or more using a diluent such as water.
- polishing composition of the above embodiment may be used for purposes other than polishing silicon nitride.
- a polishing composition was prepared by mixing colloidal silica with water and adding a pH adjuster as appropriate.
- water adjusted to pH 2 using a pH adjuster was prepared as a polishing composition.
- Table 1 shows the details of the colloidal silica and the pH adjuster in the polishing composition of each example, and the results of measuring the pH of each polishing composition.
- the polishing rate when polishing the surfaces of a silicon nitride film blanket wafer and a polysilicon film blanket wafer with a diameter of 200 mm for 60 seconds under the polishing conditions shown in Table 2 is shown in Table 1. It is shown in the “Polishing rate” column. The value of the polishing rate is obtained by dividing the difference in wafer thickness before and after polishing measured by the optical interference type film thickness measuring device “Lambda Ace VM-2030” of Dainippon Screen Mfg. Co., Ltd. by the polishing time. It was.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims (5)
- 窒化ケイ素を研磨する用途で使用される研磨用組成物であって、有機酸を固定化したコロイダルシリカを含有し、pHが6以下である研磨用組成物。
- 多結晶シリコンの研磨速度に対する窒化ケイ素の研磨速度の比が2以上である、請求項1に記載の研磨用組成物。
- 前記有機酸を固定化したコロイダルシリカは、スルホン酸を固定化したコロイダルシリカであり、スルホン酸を固定化したコロイダルシリカは、チオール基を有するシランカップリング剤をコロイダルシリカにカップリングさせた後にチオール基を酸化することにより得られる、請求項1又は2に記載の研磨用組成物。
- 前記有機酸を固定化したコロイダルシリカは、カルボン酸を固定化したコロイダルシリカであり、カルボン酸を固定化したコロイダルシリカは、光反応性2-ニトロベンジルエステルを含むシランカップリング剤をコロイダルシリカにカップリングさせた後に光照射することにより得られる、請求項1又は2に記載の研磨用組成物。
- 請求項1~4のいずれか一項に記載の研磨用組成物を用いて、窒化ケイ素を研磨する研磨方法。
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020157008625A KR101843237B1 (ko) | 2010-08-23 | 2011-08-10 | 연마용 조성물 및 그것을 이용한 연마 방법 |
| CN201180040355.8A CN103180101B (zh) | 2010-08-23 | 2011-08-10 | 研磨用组合物及使用其的研磨方法 |
| EP15003612.7A EP3059050B1 (en) | 2010-08-23 | 2011-08-10 | Method for preparing a polishing composition |
| KR1020187008000A KR101908265B1 (ko) | 2010-08-23 | 2011-08-10 | 연마용 조성물 및 그것을 이용한 연마 방법 |
| US13/818,058 US20130146804A1 (en) | 2010-08-23 | 2011-08-10 | Polishing composition and polishing method using same |
| EP18179047.8A EP3398716A1 (en) | 2010-08-23 | 2011-08-10 | Polishing composition |
| EP11819793.8A EP2610031B1 (en) | 2010-08-23 | 2011-08-10 | Method for polishing silicon nitride and polycrystalline silicon |
| KR1020137006921A KR101571224B1 (ko) | 2010-08-23 | 2011-08-10 | 연마용 조성물 및 그것을 이용한 연마 방법 |
| US15/967,011 US10508222B2 (en) | 2010-08-23 | 2018-04-30 | Polishing composition and polishing method using same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010186427A JP5695367B2 (ja) | 2010-08-23 | 2010-08-23 | 研磨用組成物及びそれを用いた研磨方法 |
| JP2010-186427 | 2010-08-23 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/818,058 A-371-Of-International US20130146804A1 (en) | 2010-08-23 | 2011-08-10 | Polishing composition and polishing method using same |
| US15/967,011 Continuation US10508222B2 (en) | 2010-08-23 | 2018-04-30 | Polishing composition and polishing method using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012026329A1 true WO2012026329A1 (ja) | 2012-03-01 |
Family
ID=45723334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/068217 Ceased WO2012026329A1 (ja) | 2010-08-23 | 2011-08-10 | 研磨用組成物及びそれを用いた研磨方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20130146804A1 (ja) |
| EP (3) | EP3059050B1 (ja) |
| JP (1) | JP5695367B2 (ja) |
| KR (3) | KR101908265B1 (ja) |
| CN (1) | CN103180101B (ja) |
| TW (3) | TWI485236B (ja) |
| WO (1) | WO2012026329A1 (ja) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2533274A4 (en) * | 2010-02-01 | 2013-06-26 | Jsr Corp | Aqueous dispersion for chemical and mechanical polishing and methods for chemical and mechanical polishing |
| EP2662427A2 (en) | 2012-05-10 | 2013-11-13 | Air Products And Chemicals, Inc. | Chemical mechanical polishing composition having chemical additives and methods for using same |
| WO2014069043A1 (ja) * | 2012-10-31 | 2014-05-08 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
| WO2014119301A1 (ja) | 2013-02-01 | 2014-08-07 | 株式会社フジミインコーポレーテッド | 表面選択性研磨組成物 |
| WO2015046015A1 (ja) * | 2013-09-27 | 2015-04-02 | 株式会社 フジミインコーポレーテッド | 研磨用組成物、研磨方法、及び基板の製造方法 |
| CN104781366A (zh) * | 2012-11-15 | 2015-07-15 | 福吉米株式会社 | 研磨用组合物 |
| CN105189676A (zh) * | 2013-05-15 | 2015-12-23 | 巴斯夫欧洲公司 | 包含一种或多种选自n-乙烯基均聚物和n-乙烯基共聚物的聚合物的化学机械抛光组合物 |
| CN105229098A (zh) * | 2013-05-15 | 2016-01-06 | 巴斯夫欧洲公司 | 包含n,n,n',n'-四(2-羟基丙基)乙二胺或甲磺酸的化学机械抛光组合物 |
| US9284472B2 (en) | 2013-08-09 | 2016-03-15 | Fujimi Incorporated | SiCN and SiN polishing slurries and polishing methods using the same |
| US20170081552A1 (en) * | 2014-03-20 | 2017-03-23 | Fujimi Incorporated | Polishing composition, polishing method, and method for producing substrate |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5695367B2 (ja) | 2010-08-23 | 2015-04-01 | 株式会社フジミインコーポレーテッド | 研磨用組成物及びそれを用いた研磨方法 |
| EP2722872A4 (en) * | 2011-06-14 | 2015-04-29 | Fujimi Inc | POLISHING COMPOSITION |
| JP2013138053A (ja) * | 2011-12-28 | 2013-07-11 | Fujimi Inc | 研磨用組成物 |
| TWI582184B (zh) * | 2012-01-16 | 2017-05-11 | 福吉米股份有限公司 | 研磨用組成物、其製造方法、稀釋用原液、矽基板之製造方法、及矽基板 |
| US8999193B2 (en) | 2012-05-10 | 2015-04-07 | Air Products And Chemicals, Inc. | Chemical mechanical polishing composition having chemical additives and methods for using same |
| JP5957292B2 (ja) * | 2012-05-18 | 2016-07-27 | 株式会社フジミインコーポレーテッド | 研磨用組成物並びにそれを用いた研磨方法及び基板の製造方法 |
| JP2013247341A (ja) * | 2012-05-29 | 2013-12-09 | Fujimi Inc | 研磨用組成物並びにそれを用いた研磨方法及びデバイス製造方法 |
| WO2014013977A1 (ja) * | 2012-07-17 | 2014-01-23 | 株式会社 フジミインコーポレーテッド | 合金材料研磨用組成物及びそれを用いた合金材料の製造方法 |
| CN106133105B (zh) | 2014-03-28 | 2018-04-03 | 福吉米株式会社 | 研磨用组合物及使用其的研磨方法 |
| US9583359B2 (en) | 2014-04-04 | 2017-02-28 | Fujifilm Planar Solutions, LLC | Polishing compositions and methods for selectively polishing silicon nitride over silicon oxide films |
| US9401104B2 (en) | 2014-05-05 | 2016-07-26 | Cabot Microelectronics Corporation | Polishing composition for edge roll-off improvement |
| JP6396740B2 (ja) | 2014-09-29 | 2018-09-26 | 株式会社フジミインコーポレーテッド | 研磨用組成物及び研磨方法 |
| WO2016052281A1 (ja) * | 2014-09-30 | 2016-04-07 | 株式会社フジミインコーポレーテッド | 研磨用組成物およびそれを用いた研磨方法 |
| JP6517555B2 (ja) * | 2014-09-30 | 2019-05-22 | 株式会社フジミインコーポレーテッド | 研磨用組成物およびそれを用いた研磨方法 |
| US20170342304A1 (en) | 2015-01-19 | 2017-11-30 | Fujimi Incorporated | Polishing composition |
| US11499070B2 (en) | 2015-01-19 | 2022-11-15 | Fujimi Incorporated | Modified colloidal silica and method for producing the same, and polishing agent using the same |
| JP6719452B2 (ja) * | 2015-03-30 | 2020-07-08 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
| US10414019B2 (en) | 2015-09-30 | 2019-09-17 | Fujimi Incorporated | Polishing composition |
| JP6908592B2 (ja) * | 2016-03-24 | 2021-07-28 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
| US10294399B2 (en) | 2017-01-05 | 2019-05-21 | Cabot Microelectronics Corporation | Composition and method for polishing silicon carbide |
| JP7209620B2 (ja) | 2017-03-14 | 2023-01-20 | 株式会社フジミインコーポレーテッド | 研磨用組成物、その製造方法ならびにこれを用いた研磨方法および基板の製造方法 |
| US10584265B2 (en) | 2017-09-28 | 2020-03-10 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Aqueous silica slurry and amine carboxylic acid compositions selective for nitride removal in polishing and methods of using them |
| US10428241B2 (en) | 2017-10-05 | 2019-10-01 | Fujifilm Electronic Materials U.S.A., Inc. | Polishing compositions containing charged abrasive |
| US20190153262A1 (en) * | 2017-11-20 | 2019-05-23 | Cabot Microelectronics Corporation | Composition and method for polishing memory hard disks exhibiting reduced surface scratching |
| KR102728465B1 (ko) * | 2018-03-07 | 2024-11-12 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물 |
| KR20190106679A (ko) * | 2018-03-07 | 2019-09-18 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물 |
| JP2019167404A (ja) * | 2018-03-22 | 2019-10-03 | Jsr株式会社 | 化学機械研磨用組成物及び回路基板の製造方法 |
| JP7141837B2 (ja) * | 2018-03-23 | 2022-09-26 | 株式会社フジミインコーポレーテッド | 研磨用組成物、研磨用組成物の製造方法、研磨方法、および半導体基板の製造方法 |
| JP7002635B2 (ja) * | 2018-03-23 | 2022-01-20 | 富士フイルム株式会社 | 研磨液および化学的機械的研磨方法 |
| JP7128005B2 (ja) * | 2018-03-26 | 2022-08-30 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
| JP7120846B2 (ja) * | 2018-08-10 | 2022-08-17 | 株式会社フジミインコーポレーテッド | 研磨用組成物及びその製造方法並びに研磨方法並びに基板の製造方法 |
| KR102698381B1 (ko) * | 2018-11-23 | 2024-08-23 | 솔브레인 주식회사 | 연마용 조성물 및 이를 이용하는 연마 방법 |
| KR102241941B1 (ko) * | 2018-12-28 | 2021-04-20 | 주식회사 케이씨텍 | 다결정 실리콘 연마용 cmp 슬러리 조성물 및 그를 이용한 연마 방법 |
| JP2020205320A (ja) * | 2019-06-17 | 2020-12-24 | 株式会社トクヤマ | 窒化ケイ素エッチング液用添加剤 |
| TW202120637A (zh) * | 2019-11-15 | 2021-06-01 | 日商Jsr股份有限公司 | 化學機械研磨用組成物以及化學機械研磨方法 |
| TWI747479B (zh) * | 2019-11-15 | 2021-11-21 | 日商Jsr股份有限公司 | 化學機械研磨用組成物以及化學機械研磨方法 |
| TWI743989B (zh) * | 2019-11-15 | 2021-10-21 | 日商Jsr股份有限公司 | 化學機械研磨用組成物以及化學機械研磨方法 |
| TWI755060B (zh) * | 2019-11-15 | 2022-02-11 | 日商Jsr股份有限公司 | 化學機械研磨用組成物以及化學機械研磨方法 |
| JP7594864B2 (ja) | 2020-06-05 | 2024-12-05 | 株式会社フジミインコーポレーテッド | アニオン変性コロイダルシリカの製造方法 |
| TWI896724B (zh) * | 2020-09-29 | 2025-09-11 | 日商福吉米股份有限公司 | 研磨用組成物及其製造方法、研磨方法以及基板的製造方法 |
| JP7777017B2 (ja) * | 2021-03-30 | 2025-11-27 | 株式会社フジミインコーポレーテッド | 研磨用組成物、及び窒化ケイ素を選択的に除去する方法 |
| JP7745391B2 (ja) * | 2021-09-17 | 2025-09-29 | 株式会社フジミインコーポレーテッド | 研磨用組成物、研磨用組成物の製造方法、研磨方法、半導体基板の製造方法 |
| JP2023146033A (ja) | 2022-03-29 | 2023-10-12 | 株式会社フジミインコーポレーテッド | スルホン酸変性コロイダルシリカ |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06124932A (ja) | 1992-10-12 | 1994-05-06 | Toshiba Corp | 研磨方法 |
| JP2005162533A (ja) * | 2003-12-02 | 2005-06-23 | Fuso Chemical Co Ltd | 変性コロイダルシリカの製造方法 |
| JP2006524918A (ja) * | 2003-04-21 | 2006-11-02 | キャボット マイクロエレクトロニクス コーポレイション | Cmp用被覆金属酸化物粒子 |
| US20070075291A1 (en) * | 2005-06-03 | 2007-04-05 | Paik Un G | CMP Slurry, Preparation Method Thereof and Method of Polishing Substrate Using the Same |
| JP2007277025A (ja) * | 2006-04-04 | 2007-10-25 | Tama Kagaku Kogyo Kk | 酸性で安定なコロイダルシリカの製造方法 |
| JP2010041037A (ja) | 2008-07-11 | 2010-02-18 | Fujifilm Corp | 窒化ケイ素用研磨液及び研磨方法 |
| JP2010103409A (ja) * | 2008-10-27 | 2010-05-06 | Hitachi Chem Co Ltd | 金属用研磨液及びこの金属用研磨液を用いた研磨方法 |
| WO2010065125A1 (en) * | 2008-12-04 | 2010-06-10 | Cabot Microelectronics Corporation | Method to selectively polish silicon carbide films |
| JP2010269985A (ja) * | 2009-05-22 | 2010-12-02 | Fuso Chemical Co Ltd | スルホン酸修飾水性アニオンシリカゾル及びその製造方法 |
Family Cites Families (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0982668A (ja) | 1995-09-20 | 1997-03-28 | Sony Corp | 研磨用スラリー及びこの研磨用スラリーを用いる研磨方法 |
| JPH09186116A (ja) * | 1995-12-27 | 1997-07-15 | Toshiba Corp | 半導体装置の製造方法及び半導体製造装置 |
| JP4683681B2 (ja) | 1999-10-29 | 2011-05-18 | 日立化成工業株式会社 | 金属用研磨液及びそれを用いた基板の研磨方法 |
| CN101058713B (zh) | 2001-10-31 | 2011-02-09 | 日立化成工业株式会社 | 研磨液及研磨方法 |
| US6776810B1 (en) * | 2002-02-11 | 2004-08-17 | Cabot Microelectronics Corporation | Anionic abrasive particles treated with positively charged polyelectrolytes for CMP |
| JP2003064351A (ja) * | 2002-06-04 | 2003-03-05 | Hitachi Chem Co Ltd | Cmp研磨液 |
| AU2003242397A1 (en) | 2003-06-13 | 2005-01-04 | Hitachi Chemical Co., Ltd. | Polishing fluid for metal and polishing method |
| US20050189322A1 (en) | 2004-02-27 | 2005-09-01 | Lane Sarah J. | Compositions and methods for chemical mechanical polishing silica and silicon nitride |
| US20070196975A1 (en) | 2004-04-12 | 2007-08-23 | Hitachi Chemical Co., Ltd. | Metal-Polishing Liquid And Polishing Method Using The Same |
| US20060021972A1 (en) * | 2004-07-28 | 2006-02-02 | Lane Sarah J | Compositions and methods for chemical mechanical polishing silicon dioxide and silicon nitride |
| JP2006049912A (ja) | 2004-08-03 | 2006-02-16 | Samsung Electronics Co Ltd | Cmpスラリー、前記cmpスラリーを使用する化学機械的研磨方法、及び前記cmpスラリーを使用する金属配線の形成方法 |
| KR100672940B1 (ko) | 2004-08-03 | 2007-01-24 | 삼성전자주식회사 | 금속막을 위한 화학적기계적 연마 슬러리 및 이를 이용한금속막의 화학적기계적 연마 방법 |
| JP4776269B2 (ja) * | 2005-04-28 | 2011-09-21 | 株式会社東芝 | 金属膜cmp用スラリー、および半導体装置の製造方法 |
| TWI341325B (en) | 2006-02-14 | 2011-05-01 | Cabot Microelectronics Corp | Compositions and methods for cmp of indium tin oxide surfaces |
| JP2007234784A (ja) | 2006-02-28 | 2007-09-13 | Fujimi Inc | 研磨用組成物 |
| JP4990543B2 (ja) | 2006-03-23 | 2012-08-01 | 富士フイルム株式会社 | 金属用研磨液 |
| JP2007335847A (ja) | 2006-05-17 | 2007-12-27 | Hitachi Chem Co Ltd | 窒化珪素膜用研磨剤および研磨方法 |
| US10087082B2 (en) | 2006-06-06 | 2018-10-02 | Florida State University Research Foundation, Inc. | Stabilized silica colloid |
| JP2008130988A (ja) | 2006-11-24 | 2008-06-05 | Fujimi Inc | 研磨用組成物及び研磨方法 |
| KR101002496B1 (ko) | 2006-12-29 | 2010-12-17 | 주식회사 엘지화학 | 패드 흡착 방지제 |
| US7691287B2 (en) * | 2007-01-31 | 2010-04-06 | Dupont Air Products Nanomaterials Llc | Method for immobilizing ligands and organometallic compounds on silica surface, and their application in chemical mechanical planarization |
| JP2010056127A (ja) | 2008-08-26 | 2010-03-11 | Hitachi Chem Co Ltd | シリコン膜用cmpスラリー |
| US20100001229A1 (en) | 2007-02-27 | 2010-01-07 | Hitachi Chemical Co., Ltd. | Cmp slurry for silicon film |
| WO2009008431A1 (ja) | 2007-07-10 | 2009-01-15 | Hitachi Chemical Co., Ltd. | 金属膜用研磨液及び研磨方法 |
| US9028572B2 (en) * | 2007-09-21 | 2015-05-12 | Cabot Microelectronics Corporation | Polishing composition and method utilizing abrasive particles treated with an aminosilane |
| JP2009238954A (ja) * | 2008-03-26 | 2009-10-15 | Fujifilm Corp | 金属研磨用組成物、及び化学的機械的研磨方法 |
| JP2009263484A (ja) * | 2008-04-24 | 2009-11-12 | Nippon Chem Ind Co Ltd | 半導体ウエハ研磨用コロイダルシリカおよびその製造方法 |
| JP2009289885A (ja) * | 2008-05-28 | 2009-12-10 | Fujifilm Corp | 研磨液及び研磨方法 |
| JP5441358B2 (ja) | 2008-05-28 | 2014-03-12 | 富士フイルム株式会社 | 研磨液及び研磨方法 |
| JP5312887B2 (ja) * | 2008-09-24 | 2013-10-09 | 富士フイルム株式会社 | 研磨液 |
| EP2343732B1 (en) | 2008-10-20 | 2018-10-10 | Nitta Haas Incorporated | Composition for polishing silicon nitride |
| US9382450B2 (en) | 2009-01-20 | 2016-07-05 | Cabot Corporation | Compositions comprising silane modified metal oxides |
| JP5493528B2 (ja) | 2009-07-15 | 2014-05-14 | 日立化成株式会社 | Cmp研磨液及びこのcmp研磨液を用いた研磨方法 |
| KR20120134105A (ko) | 2010-02-01 | 2012-12-11 | 제이에스알 가부시끼가이샤 | 화학 기계 연마용 수계 분산체 및 이를 이용한 화학 기계 연마 방법 |
| JP5760317B2 (ja) | 2010-02-05 | 2015-08-05 | 日立化成株式会社 | Cmp研磨液及びこのcmp研磨液を用いた研磨方法 |
| JP5695367B2 (ja) | 2010-08-23 | 2015-04-01 | 株式会社フジミインコーポレーテッド | 研磨用組成物及びそれを用いた研磨方法 |
| JP2013138053A (ja) | 2011-12-28 | 2013-07-11 | Fujimi Inc | 研磨用組成物 |
-
2010
- 2010-08-23 JP JP2010186427A patent/JP5695367B2/ja active Active
-
2011
- 2011-08-10 CN CN201180040355.8A patent/CN103180101B/zh active Active
- 2011-08-10 KR KR1020187008000A patent/KR101908265B1/ko active Active
- 2011-08-10 KR KR1020157008625A patent/KR101843237B1/ko active Active
- 2011-08-10 US US13/818,058 patent/US20130146804A1/en not_active Abandoned
- 2011-08-10 EP EP15003612.7A patent/EP3059050B1/en active Active
- 2011-08-10 EP EP11819793.8A patent/EP2610031B1/en active Active
- 2011-08-10 EP EP18179047.8A patent/EP3398716A1/en active Pending
- 2011-08-10 KR KR1020137006921A patent/KR101571224B1/ko active Active
- 2011-08-10 WO PCT/JP2011/068217 patent/WO2012026329A1/ja not_active Ceased
- 2011-08-16 TW TW100129174A patent/TWI485236B/zh active
- 2011-08-16 TW TW104112342A patent/TWI573865B/zh active
- 2011-08-16 TW TW105143846A patent/TWI620813B/zh active
-
2018
- 2018-04-30 US US15/967,011 patent/US10508222B2/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06124932A (ja) | 1992-10-12 | 1994-05-06 | Toshiba Corp | 研磨方法 |
| JP2006524918A (ja) * | 2003-04-21 | 2006-11-02 | キャボット マイクロエレクトロニクス コーポレイション | Cmp用被覆金属酸化物粒子 |
| JP2005162533A (ja) * | 2003-12-02 | 2005-06-23 | Fuso Chemical Co Ltd | 変性コロイダルシリカの製造方法 |
| US20070075291A1 (en) * | 2005-06-03 | 2007-04-05 | Paik Un G | CMP Slurry, Preparation Method Thereof and Method of Polishing Substrate Using the Same |
| JP2007277025A (ja) * | 2006-04-04 | 2007-10-25 | Tama Kagaku Kogyo Kk | 酸性で安定なコロイダルシリカの製造方法 |
| JP2010041037A (ja) | 2008-07-11 | 2010-02-18 | Fujifilm Corp | 窒化ケイ素用研磨液及び研磨方法 |
| JP2010103409A (ja) * | 2008-10-27 | 2010-05-06 | Hitachi Chem Co Ltd | 金属用研磨液及びこの金属用研磨液を用いた研磨方法 |
| WO2010065125A1 (en) * | 2008-12-04 | 2010-06-10 | Cabot Microelectronics Corporation | Method to selectively polish silicon carbide films |
| JP2010269985A (ja) * | 2009-05-22 | 2010-12-02 | Fuso Chemical Co Ltd | スルホン酸修飾水性アニオンシリカゾル及びその製造方法 |
Non-Patent Citations (5)
| Title |
|---|
| "Novel Silane Coupling Agents Containing a Photolabile 2-Nitrobenzyl Ester for Introduction of a Carboxy Group on the Surface of Silica Gel", CHEMISTRY LETTERS, vol. 3, 2000, pages 228 - 229 |
| "Sulfonic acid-functionalized silica through quantitative oxidation of thiol groups", CHEM. COMMUN., 2003, pages 246 - 247 |
| E. CANO-SERRANO ET AL.: "Sulfonic acid-functionalized silica through quantitative oxidation of thiol groups", CHEM. COMMUN., 11 December 2002 (2002-12-11), pages 246 - 247, XP055076338 * |
| See also references of EP2610031A4 |
| YAMAGUCHI K. ET AL.: "Novel Silane Coupling Agents Containing a Photolabile 2-Nitrobenzyl Esterfor Introduction of a Carboxy Group on the Surface of Silica Gel", CHEMISTRY LETTERS, vol. 29, no. 3, 2000, pages 228 - 229, XP055076340 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2533274A4 (en) * | 2010-02-01 | 2013-06-26 | Jsr Corp | Aqueous dispersion for chemical and mechanical polishing and methods for chemical and mechanical polishing |
| EP2662427A2 (en) | 2012-05-10 | 2013-11-13 | Air Products And Chemicals, Inc. | Chemical mechanical polishing composition having chemical additives and methods for using same |
| EP3333232A2 (en) | 2012-05-10 | 2018-06-13 | Versum Materials US, LLC | Chemical mechanical polishing composition having chemical additives and methods for using |
| WO2014069043A1 (ja) * | 2012-10-31 | 2014-05-08 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
| JPWO2014069043A1 (ja) * | 2012-10-31 | 2016-09-08 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
| EP2922085A4 (en) * | 2012-11-15 | 2016-07-13 | Fujimi Inc | POLISHING COMPOSITION |
| US9837283B2 (en) | 2012-11-15 | 2017-12-05 | Fujimi Incorporated | Polishing composition |
| CN104781366A (zh) * | 2012-11-15 | 2015-07-15 | 福吉米株式会社 | 研磨用组合物 |
| WO2014119301A1 (ja) | 2013-02-01 | 2014-08-07 | 株式会社フジミインコーポレーテッド | 表面選択性研磨組成物 |
| EP2952550A4 (en) * | 2013-02-01 | 2016-09-28 | Fujimi Inc | SURFACE LENS POLISHING COMPOSITION |
| CN105229098A (zh) * | 2013-05-15 | 2016-01-06 | 巴斯夫欧洲公司 | 包含n,n,n',n'-四(2-羟基丙基)乙二胺或甲磺酸的化学机械抛光组合物 |
| CN105189676A (zh) * | 2013-05-15 | 2015-12-23 | 巴斯夫欧洲公司 | 包含一种或多种选自n-乙烯基均聚物和n-乙烯基共聚物的聚合物的化学机械抛光组合物 |
| CN105229098B (zh) * | 2013-05-15 | 2017-08-11 | 巴斯夫欧洲公司 | 包含n,n,n',n'‑四(2‑羟基丙基)乙二胺或甲磺酸的化学机械抛光组合物 |
| US9284472B2 (en) | 2013-08-09 | 2016-03-15 | Fujimi Incorporated | SiCN and SiN polishing slurries and polishing methods using the same |
| WO2015046015A1 (ja) * | 2013-09-27 | 2015-04-02 | 株式会社 フジミインコーポレーテッド | 研磨用組成物、研磨方法、及び基板の製造方法 |
| US20170081552A1 (en) * | 2014-03-20 | 2017-03-23 | Fujimi Incorporated | Polishing composition, polishing method, and method for producing substrate |
| US10106704B2 (en) * | 2014-03-20 | 2018-10-23 | Fujimi Incorporated | Polishing composition, polishing method, and method for producing substrate |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3398716A1 (en) | 2018-11-07 |
| KR101571224B1 (ko) | 2015-11-23 |
| US20130146804A1 (en) | 2013-06-13 |
| KR101908265B1 (ko) | 2018-10-15 |
| EP2610031B1 (en) | 2016-03-23 |
| KR101843237B1 (ko) | 2018-03-28 |
| CN103180101A (zh) | 2013-06-26 |
| EP2610031A4 (en) | 2014-01-22 |
| EP2610031A1 (en) | 2013-07-03 |
| KR20180032681A (ko) | 2018-03-30 |
| CN103180101B (zh) | 2016-08-03 |
| TW201529821A (zh) | 2015-08-01 |
| JP2012040671A (ja) | 2012-03-01 |
| TW201217504A (en) | 2012-05-01 |
| TWI620813B (zh) | 2018-04-11 |
| TWI485236B (zh) | 2015-05-21 |
| KR20130101022A (ko) | 2013-09-12 |
| TWI573865B (zh) | 2017-03-11 |
| US20180244957A1 (en) | 2018-08-30 |
| EP3059050A1 (en) | 2016-08-24 |
| EP3059050B1 (en) | 2018-10-10 |
| US10508222B2 (en) | 2019-12-17 |
| JP5695367B2 (ja) | 2015-04-01 |
| KR20150043543A (ko) | 2015-04-22 |
| TW201713745A (zh) | 2017-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5695367B2 (ja) | 研磨用組成物及びそれを用いた研磨方法 | |
| JP6028046B2 (ja) | 研磨用組成物及びそれを用いた研磨方法 | |
| CN104285284B (zh) | 研磨用组合物以及使用其的研磨方法和基板的制造方法 | |
| JP6282708B2 (ja) | 研磨用組成物、それを用いた研磨方法、及びその製造方法 | |
| KR20140108563A (ko) | 연마용 조성물 | |
| JP6050839B2 (ja) | 表面選択性研磨組成物 | |
| TWI546371B (zh) | 研磨組成物 | |
| JP2021150515A (ja) | 研磨方法および半導体基板の製造方法 | |
| TW201940648A (zh) | 用於化學機械拋光含鈷基材的漿料 | |
| JP2007234784A (ja) | 研磨用組成物 | |
| JP6411759B2 (ja) | 研磨用組成物、その使用方法、及び基板の製造方法 | |
| JP7329035B2 (ja) | 半導体工程用研磨組成物及び研磨組成物を適用した基板の研磨方法 | |
| TW202007754A (zh) | 化學機械研磨組成物、化學機械研磨漿料及基板研磨方法 | |
| WO2026079146A1 (ja) | 砥粒の製造方法、化学機械研磨用組成物および研磨方法 | |
| JP2025160112A (ja) | Si研磨用のsi研磨速度向上剤としてのアルカノールアミン |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11819793 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 13818058 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2011819793 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 20137006921 Country of ref document: KR Kind code of ref document: A |

