WO2016129352A1 - エッチング液及びエッチング方法 - Google Patents
エッチング液及びエッチング方法 Download PDFInfo
- Publication number
- WO2016129352A1 WO2016129352A1 PCT/JP2016/051690 JP2016051690W WO2016129352A1 WO 2016129352 A1 WO2016129352 A1 WO 2016129352A1 JP 2016051690 W JP2016051690 W JP 2016051690W WO 2016129352 A1 WO2016129352 A1 WO 2016129352A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- etching
- etching solution
- group
- titanium
- 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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/26—Acidic compositions for etching refractory metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
-
- 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
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/26—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials
- H10P50/264—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/108—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by semi-additive methods; masks therefor
Definitions
- the present invention relates to an etching solution for selectively etching titanium in the presence of copper and an etching method using the same.
- an etchant containing hydrofluoric acid or hydrogen peroxide has been used for etching titanium.
- an etching solution for etching titanium in the presence of copper or aluminum is 10 to 40 wt% hydrogen peroxide, 0.05 to 5 wt% phosphoric acid, 0.001
- the etching solution containing hydrofluoric acid has a problem of high toxicity, and the etching solution containing hydrogen peroxide has a problem of poor storage stability.
- the present invention has been made in view of the above circumstances, and can etch titanium selectively in the presence of copper, and has low toxicity and excellent storage stability, and etching using the same It aims to provide a method.
- the etching solution of the present invention is used for selectively etching titanium in the presence of copper, It includes at least one acid selected from the group consisting of sulfuric acid, hydrochloric acid, and trichloroacetic acid, and at least one organic sulfur compound selected from the group consisting of thioketone compounds and thioether compounds.
- the thioketone compound is preferably at least one selected from the group consisting of thiourea, diethylthiourea, and trimethylthiourea.
- the thioether compound is preferably at least one selected from the group consisting of methionine, ethionine, and 3- (methylthio) propionic acid.
- the etching solution of the present invention preferably further contains ⁇ -hydroxycarboxylic acid and / or a salt thereof.
- the ⁇ -hydroxycarboxylic acid is preferably at least one selected from the group consisting of tartaric acid, malic acid, citric acid, lactic acid, and glyceric acid.
- the concentration of the acid is preferably 20 to 70% by weight, and the concentration of the organic sulfur compound is preferably 0.01 to 10% by weight.
- the concentration of the ⁇ -hydroxycarboxylic acid and / or salt thereof is preferably 0.2 to 5% by weight.
- the present invention also relates to an etching method for selectively etching titanium in the presence of copper using the etching solution.
- the etching solution of the present invention can selectively etch titanium in the presence of copper. Moreover, since the etching liquid of the present invention does not substantially contain hydrofluoric acid and hydrogen peroxide, it has low toxicity and excellent storage stability.
- the etching solution of the present invention comprises at least one acid selected from the group consisting of sulfuric acid, hydrochloric acid, and trichloroacetic acid, and at least one organic sulfur compound selected from the group consisting of thioketone compounds and thioether compounds.
- sulfuric acid is preferred from the viewpoint of etching rate stability and low acid volatility.
- the acid concentration is not particularly limited, but is preferably 20 to 70% by weight, more preferably 30 to 60% by weight. When the acid concentration is less than 20% by weight, a sufficient titanium etching rate tends not to be obtained, and when it exceeds 70% by weight, the safety of the etching solution tends to be a problem.
- the organic sulfur compound has an effect as a reducing agent and a chelating agent.
- Examples of the thioketone compound include thiourea, N-alkylthiourea, N, N-dialkylthiourea, N, N′-dialkylthiourea, N, N, N′-trialkylthiourea, N, N, N Examples include ', N'-tetraalkylthiourea, N-phenylthiourea, N, N-diphenylthiourea, N, N'-diphenylthiourea, and ethylenethiourea.
- the alkyl group of the alkylthiourea is not particularly limited, but an alkyl group having 1 to 4 carbon atoms is preferable.
- thiourea diethylthiourea, and trimethylthiourea, which are excellent as a reducing agent or chelating agent and have excellent water solubility.
- Examples of the thioether compound include methionine, methionine alkyl ester hydrochloride, ethionine, 2-hydroxy-4- (alkylthio) butyric acid, and 3- (alkylthio) propionic acid.
- the carbon number of the alkyl group is not particularly limited, but is preferably 1 to 4 carbon atoms.
- a part of these compounds may be substituted with another group such as a hydrogen atom, a hydroxy group, or an amino group.
- the concentration of the organic sulfur compound is not particularly limited, but is preferably 0.01 to 10% by weight, more preferably 0.2 to 5% by weight. When the concentration of the organic sulfur compound is less than 0.01% by weight, sufficient reducing property and chelate effect cannot be obtained, and the etching rate of titanium tends to be insufficient. It tends to be.
- the etching solution may contain ⁇ -hydroxycarboxylic acid and / or a salt thereof.
- ⁇ -Hydroxycarboxylic acid and its salt have an effect as a chelating agent for titanium, and can suppress the precipitation of titanium in the etching solution.
- examples of the ⁇ -hydroxycarboxylic acid include tartaric acid, malic acid, citric acid, lactic acid, and glyceric acid.
- the concentration of ⁇ -hydroxycarboxylic acid and / or a salt thereof is not particularly limited, but is preferably 0.2 to 5% by weight, more preferably 0.5 to 2% by weight from the viewpoint of chelating effect and solubility. It is.
- the etching solution may contain sulfurous acid and / or a salt thereof.
- Sulfurous acid and its salt have an effect as a reducing agent, and can improve the etching rate of titanium.
- the concentration of sulfurous acid and / or a salt thereof is not particularly limited, but is preferably 0.02 to 0.5% by weight, more preferably 0.05 to 0.2% by weight from the viewpoint of reducing property and odor. is there.
- other components may be added to the etching solution to the extent that the effects of the present invention are not hindered.
- examples of other components include surfactants, component stabilizers, and antifoaming agents.
- Etching solution can be easily prepared by dissolving the above-described components in water.
- water water from which ionic substances and impurities have been removed is preferable.
- ion-exchanged water, pure water, ultrapure water, and the like are preferable.
- Etching solution may be blended so that each component has a predetermined concentration when used, or a concentrated solution may be prepared and diluted immediately before use.
- the titanium etching method using the etching solution of the present invention is not particularly limited.
- the treatment temperature is not particularly limited, but is preferably 40 to 70 ° C., more preferably 45 to 55 ° C. from the viewpoint of etching rate and safety.
- the treatment time varies depending on the surface state and shape of the object, but is usually about 30 to 120 seconds.
- Etching solutions having the compositions shown in Tables 1 and 2 were prepared, and an etching test and an etching solution stability test were performed under the following conditions.
- the balance is ion exchange water.
- concentration of hydrochloric acid shown in Table 1 and 2 is a density
- the etching solution of the present invention can selectively etch titanium without etching copper.
- the etching solution of the present invention has excellent storage stability and can selectively etch titanium stably even when stored for a long time.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
- Weting (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
Description
硫酸、塩酸、及びトリクロロ酢酸からなる群より選択される少なくとも1種の酸、及び
チオケトン系化合物及びチオエーテル系化合物からなる群より選択される少なくとも1種の有機硫黄化合物を含むことを特徴とする。
樹脂上にスパッタ法でチタン膜を50nm、次いで銅膜を200nm成膜し、さらにその上に電解銅めっきでパターンを形成した基板を試料として用いた。銅のエッチング液を用いて、試料のスパッタ銅膜を溶解してチタン膜を露出させた。その後、実施例1~12及び比較例1~3のエッチング液に試料を浸漬してエッチング実験を行った。その結果を表1に示す。
実施例1、7、12及び比較例4のエッチング液を室温下で2日間放置した後、前記エッチング試験を行い、放置前後におけるエッチング速度を比較した。その結果を表2に示す。
Claims (8)
- 銅の存在下でチタンを選択的にエッチングするためのエッチング液であって、
硫酸、塩酸、及びトリクロロ酢酸からなる群より選択される少なくとも1種の酸、及び
チオケトン系化合物及びチオエーテル系化合物からなる群より選択される少なくとも1種の有機硫黄化合物を含むことを特徴とするエッチング液。 - 前記チオケトン系化合物が、チオ尿素、ジエチルチオ尿素、及びトリメチルチオ尿素からなる群より選択される少なくとも1種である請求項1記載のエッチング液。
- 前記チオエーテル系化合物が、メチオニン、エチオニン、及び3-(メチルチオ)プロピオン酸からなる群より選択される少なくとも1種である請求項1又は2記載のエッチング液。
- α-ヒドロキシカルボン酸及び/又はその塩をさらに含む請求項1~3のいずれかに記載のエッチング液。
- 前記α-ヒドロキシカルボン酸が、酒石酸、リンゴ酸、クエン酸、乳酸、及びグリセリン酸からなる群より選択される少なくとも1種である請求項4記載のエッチング液。
- 前記酸の濃度が、20~70重量%であり、
前記有機硫黄化合物の濃度が、0.01~10重量%である請求項1~5のいずれかに記載のエッチング液。 - 前記α-ヒドロキシカルボン酸及び/又はその塩の濃度が、0.2~5重量%である請求項4~6のいずれかに記載のエッチング液。
- 請求項1~7のいずれかに記載のエッチング液を用いて、銅の存在下でチタンを選択的にエッチングするエッチング方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020177023507A KR102442989B1 (ko) | 2015-02-12 | 2016-01-21 | 에칭액 및 에칭 방법 |
| EP16748997.0A EP3257969B1 (en) | 2015-02-12 | 2016-01-21 | Etching liquid and etching method |
| US15/550,752 US20180044801A1 (en) | 2015-02-12 | 2016-01-21 | Etching liquid and etching method |
| CN201680007726.5A CN107208280B (zh) | 2015-02-12 | 2016-01-21 | 蚀刻液及蚀刻方法 |
| US16/707,387 US20200109475A1 (en) | 2015-02-12 | 2019-12-09 | Etching method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015025385A JP6429079B2 (ja) | 2015-02-12 | 2015-02-12 | エッチング液及びエッチング方法 |
| JP2015-025385 | 2015-02-12 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US15/550,752 A-371-Of-International US20180044801A1 (en) | 2015-02-12 | 2016-01-21 | Etching liquid and etching method |
| US16/707,387 Division US20200109475A1 (en) | 2015-02-12 | 2019-12-09 | Etching method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016129352A1 true WO2016129352A1 (ja) | 2016-08-18 |
Family
ID=56615169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2016/051690 Ceased WO2016129352A1 (ja) | 2015-02-12 | 2016-01-21 | エッチング液及びエッチング方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20180044801A1 (ja) |
| EP (1) | EP3257969B1 (ja) |
| JP (1) | JP6429079B2 (ja) |
| KR (1) | KR102442989B1 (ja) |
| CN (1) | CN107208280B (ja) |
| TW (1) | TWI680210B (ja) |
| WO (1) | WO2016129352A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021041323A (ja) * | 2019-09-10 | 2021-03-18 | Dowaテクノロジー株式会社 | 洗浄液、洗浄液の製造方法及び設備の洗浄方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019122055A1 (en) * | 2017-12-22 | 2019-06-27 | Atotech Deutschland Gmbh | A method and treatment composition for selective removal of palladium |
| CN114196956B (zh) * | 2020-09-18 | 2024-03-12 | 珠海市丹尼尔电子科技有限公司 | 一种用于钛的蚀刻液 |
| CN115491677B (zh) * | 2022-09-22 | 2023-10-13 | 易安爱富(武汉)科技有限公司 | 一种钛铝钛复合膜层的酸性蚀刻液及制备方法 |
| CN116083910A (zh) * | 2022-12-28 | 2023-05-09 | 湖北兴福电子材料股份有限公司 | 一种钛或钛合金的蚀刻液 |
| CN117448823A (zh) * | 2023-07-06 | 2024-01-26 | 江西斯坦德电极科技有限公司 | 一种钛阳极表面处理蚀刻液 |
| CN117107241A (zh) * | 2023-10-11 | 2023-11-24 | 中南大学 | 一种混酸刻蚀钛基体表面的方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009512194A (ja) * | 2005-10-05 | 2009-03-19 | アドバンスド テクノロジー マテリアルズ,インコーポレイテッド | ポストエッチング残渣を除去するための酸化性水性洗浄剤 |
| JP2013135039A (ja) * | 2011-12-26 | 2013-07-08 | Mec Co Ltd | 配線形成方法およびエッチング液 |
| JP2014103179A (ja) * | 2012-11-16 | 2014-06-05 | Fujifilm Corp | 半導体基板のエッチング液、これを用いたエッチング方法及び半導体素子の製造方法 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3888778A (en) * | 1973-03-13 | 1975-06-10 | Merton Beckwith | Bright dip composition for tin/lead |
| US4004956A (en) * | 1974-08-14 | 1977-01-25 | Enthone, Incorporated | Selectively stripping tin or tin-lead alloys from copper substrates |
| US4180469A (en) * | 1977-12-30 | 1979-12-25 | Amchem Products, Inc. | Dithiocarbamate sulfonium salt inhibitor composition |
| US4588471A (en) * | 1985-03-25 | 1986-05-13 | International Business Machines Corporation | Process for etching composite chrome layers |
| JPS61266582A (ja) * | 1985-05-22 | 1986-11-26 | Okuno Seiyaku Kogyo Kk | 錫又は錫合金の剥離液 |
| US4657632A (en) * | 1985-08-29 | 1987-04-14 | Techno Instruments Investments 1983 Ltd. | Use of immersion tin coating as etch resist |
| JPS63161178A (ja) * | 1986-12-23 | 1988-07-04 | Metsuku Kk | スズまたはスズ合金の剥離液 |
| JPH06280056A (ja) * | 1993-03-30 | 1994-10-04 | Okuno Chem Ind Co Ltd | スズ又はスズ合金皮膜用剥離剤 |
| US6103627A (en) * | 1996-02-21 | 2000-08-15 | Micron Technology, Inc. | Treatment of a surface having an exposed silicon/silica interface |
| US6284309B1 (en) * | 1997-12-19 | 2001-09-04 | Atotech Deutschland Gmbh | Method of producing copper surfaces for improved bonding, compositions used therein and articles made therefrom |
| JP4401550B2 (ja) * | 2000-08-31 | 2010-01-20 | 株式会社大和化成研究所 | パラジウム又はパラジウム化合物の溶解処理方法 |
| US6841084B2 (en) * | 2002-02-11 | 2005-01-11 | Nikko Materials Usa, Inc. | Etching solution for forming an embedded resistor |
| JP4267331B2 (ja) * | 2003-01-14 | 2009-05-27 | 株式会社荏原製作所 | 基板の処理方法及びエッチング液 |
| JP4471094B2 (ja) | 2004-05-11 | 2010-06-02 | 三菱瓦斯化学株式会社 | チタンまたはチタン合金のエッチング液 |
| KR20060108436A (ko) * | 2005-04-13 | 2006-10-18 | 매그나칩 반도체 유한회사 | 반도체 소자 세정용 조성물 및 이를 이용한 반도체 소자의세정 방법 |
| KR100734274B1 (ko) * | 2005-09-05 | 2007-07-02 | 삼성전자주식회사 | 기판 세정용 조성물을 이용한 게이트 형성 방법 |
| TW200831710A (en) * | 2006-09-25 | 2008-08-01 | Mec Co Ltd | Metal removing solution and metal removing method using the same |
| CN100588757C (zh) * | 2006-12-29 | 2010-02-10 | 佛山市顺德区汉达精密电子科技有限公司 | 一种不锈钢电解蚀刻工艺 |
| US9831088B2 (en) * | 2010-10-06 | 2017-11-28 | Entegris, Inc. | Composition and process for selectively etching metal nitrides |
| US9121101B2 (en) * | 2011-06-30 | 2015-09-01 | Asahi Kasei E-Materials Corporation | Etchant and etching method using the same |
| JP5933950B2 (ja) * | 2011-09-30 | 2016-06-15 | アドバンスド テクノロジー マテリアルズ,インコーポレイテッド | 銅または銅合金用エッチング液 |
| SG11201405737VA (en) * | 2012-03-18 | 2014-10-30 | Entegris Inc | Post-cmp formulation having improved barrier layer compatibility and cleaning performance |
| JP6290206B2 (ja) * | 2013-06-18 | 2018-03-07 | 株式会社Jcu | 無電解金属めっきのブリッジ防止液およびこれを用いたプリント配線板の製造方法 |
| CN103789779A (zh) * | 2014-02-24 | 2014-05-14 | 昆山苏杭电路板有限公司 | 化学镀金板非沉铜孔内防金沉积工艺及其除钯处理液 |
-
2015
- 2015-02-12 JP JP2015025385A patent/JP6429079B2/ja active Active
-
2016
- 2016-01-21 KR KR1020177023507A patent/KR102442989B1/ko active Active
- 2016-01-21 CN CN201680007726.5A patent/CN107208280B/zh active Active
- 2016-01-21 EP EP16748997.0A patent/EP3257969B1/en active Active
- 2016-01-21 US US15/550,752 patent/US20180044801A1/en not_active Abandoned
- 2016-01-21 WO PCT/JP2016/051690 patent/WO2016129352A1/ja not_active Ceased
- 2016-02-01 TW TW105103129A patent/TWI680210B/zh active
-
2019
- 2019-12-09 US US16/707,387 patent/US20200109475A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009512194A (ja) * | 2005-10-05 | 2009-03-19 | アドバンスド テクノロジー マテリアルズ,インコーポレイテッド | ポストエッチング残渣を除去するための酸化性水性洗浄剤 |
| JP2013135039A (ja) * | 2011-12-26 | 2013-07-08 | Mec Co Ltd | 配線形成方法およびエッチング液 |
| JP2014103179A (ja) * | 2012-11-16 | 2014-06-05 | Fujifilm Corp | 半導体基板のエッチング液、これを用いたエッチング方法及び半導体素子の製造方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3257969A4 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021041323A (ja) * | 2019-09-10 | 2021-03-18 | Dowaテクノロジー株式会社 | 洗浄液、洗浄液の製造方法及び設備の洗浄方法 |
| JP7486294B2 (ja) | 2019-09-10 | 2024-05-17 | Dowaテクノロジー株式会社 | 洗浄液、洗浄液の製造方法及び設備の洗浄方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6429079B2 (ja) | 2018-11-28 |
| EP3257969B1 (en) | 2020-04-22 |
| JP2016148081A (ja) | 2016-08-18 |
| KR20170117434A (ko) | 2017-10-23 |
| TW201634753A (zh) | 2016-10-01 |
| US20200109475A1 (en) | 2020-04-09 |
| CN107208280A (zh) | 2017-09-26 |
| KR102442989B1 (ko) | 2022-09-14 |
| TWI680210B (zh) | 2019-12-21 |
| CN107208280B (zh) | 2019-06-07 |
| EP3257969A1 (en) | 2017-12-20 |
| US20180044801A1 (en) | 2018-02-15 |
| EP3257969A4 (en) | 2018-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6429079B2 (ja) | エッチング液及びエッチング方法 | |
| CN107227463B (zh) | 铜/钼膜或铜/钼合金膜的蚀刻液组合物 | |
| US5939336A (en) | Aqueous solutions of ammonium fluoride in propylene glycol and their use in the removal of etch residues from silicon substrates | |
| EP2922086B1 (en) | Composition, system, and process for TiNxOy removal | |
| JP2013010987A (ja) | さび除去剤水溶液 | |
| CN102560497A (zh) | 蚀刻剂及使用它的蚀刻方法 | |
| CN104562009A (zh) | 金属配线蚀刻液组合物及利用其的金属配线形成方法 | |
| KR102517903B1 (ko) | 식각액 조성물, 및 식각액 조성물을 이용한 식각 방법 | |
| TWI460311B (zh) | 用於撓性配線基板之鎳-鉻合金剝離劑 | |
| TWI841746B (zh) | 過氧化氫分解抑制劑 | |
| JP5435251B2 (ja) | 化成処理剤 | |
| TWI503401B (zh) | Etching composition | |
| WO2017195453A1 (ja) | レジストの剥離液 | |
| TWI779028B (zh) | 蝕刻液組成物及蝕刻方法 | |
| JP2005116542A (ja) | エッチング液組成物 | |
| KR102336933B1 (ko) | 비시안계 Au-Sn 합금 도금액 | |
| TWI797093B (zh) | 蝕刻液組成物及蝕刻方法 | |
| TWI749287B (zh) | 酸性過氧化氫水溶液組成物 | |
| CN107012465A (zh) | 一种铜蚀刻液及其应用 | |
| KR20210056768A (ko) | 금속막 식각액 조성물 | |
| JP4577095B2 (ja) | 金属チタンのエッチング用組成物及びそれを用いたエッチング方法 | |
| KR102758151B1 (ko) | 금속막의 식각방법 | |
| JPH0429743B2 (ja) | ||
| JPH10101310A (ja) | 鉄を含む酸性過酸化水素水溶液の安定化方法 | |
| JPWO2020079977A1 (ja) | 表面処理液及びニッケル含有材料の表面処理方法 |
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: 16748997 Country of ref document: EP Kind code of ref document: A1 |
|
| REEP | Request for entry into the european phase |
Ref document number: 2016748997 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 15550752 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 20177023507 Country of ref document: KR Kind code of ref document: A |

