EP2174348A1 - Verfahren zum herstellen eines elektronischen bausteins und elektronischer baustein - Google Patents
Verfahren zum herstellen eines elektronischen bausteins und elektronischer bausteinInfo
- Publication number
- EP2174348A1 EP2174348A1 EP08786207A EP08786207A EP2174348A1 EP 2174348 A1 EP2174348 A1 EP 2174348A1 EP 08786207 A EP08786207 A EP 08786207A EP 08786207 A EP08786207 A EP 08786207A EP 2174348 A1 EP2174348 A1 EP 2174348A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chip
- insulating layer
- contact surface
- chip contact
- chips
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/131—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed
- H10W74/141—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed the encapsulations being on at least the sidewalls of the semiconductor body
-
- 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
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/74—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using temporarily an auxiliary support
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/01—Manufacture or treatment
- H10W74/014—Manufacture or treatment using batch processing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/01—Manufacture or treatment
- H10W74/019—Manufacture or treatment using temporary auxiliary substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/01—Manufacture or treatment
- H10W70/05—Manufacture or treatment of insulating or insulated package substrates, or of interposers, or of redistribution layers
- H10W70/093—Connecting or disconnecting other interconnections thereto or therefrom, e.g. connecting bond wires or bumps
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/60—Insulating or insulated package substrates; Interposers; Redistribution layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
- H10W72/07131—Means for applying material, e.g. for deposition or forming coatings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/90—Bond pads, in general
- H10W72/921—Structures or relative sizes of bond pads
- H10W72/926—Multiple bond pads having different sizes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
Definitions
- the invention relates to a method for producing an e- lektronischen module and an electronic component.
- An electronic component usually comprises a carrier or a substrate, on which a structured metal layer with metal or contact surfaces is applied. Some of the pads have one or more components, e.g. a semiconductor chip or passive device applied. The component or components are connected to the respective contact surface via a connection means, usually a solder. If one of the components has a backside contact, i. has a contact facing the carrier or substrate, so not only a mechanical, but also an electrical connection to the respective contact surface is made by the connecting means. In the electrical contacting at least some of the components each have a number of contact surfaces on their side facing away from the carrier top. The electrical connection between the contact surfaces with each other and / or one of the contact surfaces of the metal layer is usually realized using bonding wires.
- Planar connection technology is possible in which a surface of the semifinished product is first covered with an insulating layer, such as a plastic film of an insulating material. At the locations of the contact surfaces, openings are made in the insulating layer in order to expose the contact surfaces. Subsequently, a thin metal layer by sputtering, vapor deposition and other methods for producing thin contact layers over the entire surface of the insulating layer and applied their introduced openings. On this thin metal layer, a further, usually made of an insulating material existing photosensitive film (so-called. Photo film) is applied.
- the photofinish is exposed and developed in a further step according to the desired conductive structure.
- the unexposed portions of the photo film can be removed in a further process step, so that an exposure of the underlying thin metal layer, more precisely the copper surface, takes place.
- an electrolyte bath in particular a copper electrolyte bath
- an approximately 20 .mu.m to 200 .mu.m thick copper layer is grown by galvanic reinforcement.
- stripping the photofinish the photofoil still on the surface is removed at the areas where no electrically conductive structure is to be formed.
- the last step is a so-called differential etching, in which the entire surface of the thin metal layer consisting of titanium and copper is removed so that only the desired conductive structure remains.
- the conductive structure which is also referred to as Maisleiterbahn poetic is usually formed of copper, wherein the layer thickness is in the range of 20 microns to 500 microns.
- Electronic modules which are manufactured in planar connection technology, have the advantage that the height of a finished electronic module is significantly lower compared to electronic modules with conventional bonding wires.
- planar interconnect technology also has a number of disadvantages.
- the production of the contact conductor track structure often takes place via a laser ablation process. This is very costly and causes laser smear, with the result of a necessary complex cleaning process. It can form Anschmelzzonen different focal positions, and delamination at interfaces have been observed. It may be done by the Laser Ablation process the complete removal of any existing fillers and involved resin materials of the insulation layer. At times, the damage to the chip contact surfaces of the components was detected.
- an electronic component is to be specified, which is inexpensive to produce and has a high reliability.
- a multiplicity of chips arranged in a wafer are provided with an insulation layer on a main side provided with and passivated by at least one chip contact surface.
- the insulating layer is provided with openings in the region of the at least one chip contact surface of respective chips.
- the chip contact areas of the respective chips are provided with a chip contact surface metallization of predetermined thickness.
- the invention proposes that the chip contact surface metallizations (and preferably only these) are already produced at the wafer level.
- This procedure has the advantage that, on the one hand, the coating with the insulation layer in the planar state can take place by simple and common coating methods.
- the application of the die pad metallizations may be accomplished using galvanic techniques occur, with the thicknesses of the ChipWalletflä- chenmetallmaschineen almost no limits are set.
- the insulating layer which is applied to the chips arranged in the wafer composite, constitutes a permanent insulating layer which is not removed before the chips are separated from the wafer composite. Rather, this permanent insulation layer can advantageously be used with their properties advantageous in the context of creating planar Kunststoffleiterbahn- structures.
- this permanent insulation layer can advantageously be used with their properties advantageous in the context of creating planar Kunststoffleiterbahn- structures.
- thinner (rewiring) insulation layers wherein the above-mentioned process of creating the contact conductor track structure can be carried out in a simpler and faster manner.
- the advantage here is that it is possible to work with thin (rewiring) insulation layers since only small thicknesses of the metal layer need to be generated by the planar conductor structure production process.
- the use of thin (rewiring) insulation layers here makes it possible to carry out the laser ablation process in a shorter time since, compared to the prior art, a smaller layer thickness of (rewiring) insulation material needs to be removed.
- the disadvantages associated with the laser ablation process in the prior art can be almost completely eliminated since the sensitive chip is already protected on the one hand by the generated chip contact surface metallizations and on the other hand by the isolation layer remaining on the chips.
- a photosensitive material in particular comprising a polyimide, benzocyclobutene BCB or an epoxy resist, is expediently used as the insulating layer.
- a photosensitive material in particular comprising a polyimide, benzocyclobutene BCB or an epoxy resist.
- the manufacturing process can be further simplified and optimized in terms of cost.
- the insulation layer can be applied to the wafer, for example, by spin coating, spraying, dipping, roller coating or a laminating process.
- the layer thickness of the insulating layer can be chosen between 10 .mu.m and 500 .mu.m, depending on the application.
- the creation of thick chip contact surface metallizations has the advantage that the chip contact surface metallizations can be formed as a heat buffer even with a sufficiently large thickness, which can be advantageous, for example, in an application in which the chip represents a power semiconductor chip.
- the insulating layer may be formed of a single or multiple layers. The use of several layers can be advantageous, for example, if thick chip contact surface metallizations are to be formed. Thus, prior to the application of the photosensitive insulating layer, at least one further layer, which preferably has insulating properties, can be applied to the main side provided with the at least one chip contact surface and passivated.
- the insulation layer may alternatively be formed by a lacquer.
- the paint can be applied to the wafer in structured form by using a data-controlled printing process (for example using an injection printer).
- highly insulating paints are used prior to the application of the insulating layer.
- the wafer is applied to an adhesive surface of a carrier and the chips are separated from each other along predetermined separation paths so that the insulating layer is covered with the material of the insulating layer when the insulating layer is applied to the side edges , In this way, it is further ensured that a chip separated from the wafer composite has the same thickness of the insulation layer on all the outer surfaces and side edges. This property benefits a downstream process for producing a planar contact trace structure, since thin insulation layers can be used.
- an obliquely running flank is produced in a further embodiment at its side edges in order to facilitate the application of the insulating layer.
- an exposure of the insulating layer takes place using a mask.
- the introduction of the openings in the insulating layer can be done using a controlled laser exposure system.
- the introduction of the openings in the insulating layer can also be carried out using a laser ablation process, a plasma process or by a wet-chemical etching process.
- the production of the openings in the permanent insulation layer can thus be carried out using known manufacturing processes. The latter
- the insulating layer consists of a non-photosensitive material.
- the use of plasma or etching processes requires an adapted ⁇ tzresist Wegtechnik, the corresponding method steps from the prior art are well known.
- the chip contact surface metallizations are produced with different thicknesses, wherein the method steps are repeated in accordance with the number of different layer thicknesses of chip contact surface metallizations. If an electronic component with differently thick chip contact surface metallizations is to be produced, then it is proposed to first apply an insulating layer to the wafer composite which corresponds to the smallest thickness of the chip contact surface metallizations. In this case, openings can optionally be provided only on those chip contact surfaces on which a chip contact surface metallization of this first thickness is to be created. Afterwards the galvanic production of the corresponding ones closes
- a further, second insulation layer is applied to the wafer surface. Openings are now produced on the chip contact areas, at which a chip contact surface metallization of the thickness is to be produced, which corresponds to the thicknesses of the first and second insulation layer. This procedure can be repeated in a corresponding manner for further, even thicker chip contact surface metallizations.
- An electronic component produced by the method according to the invention is preferably used in a chip module which is electrically connected in planar connection technology to further components and / or a substrate.
- An inventive electronic component comprises a chip which is provided on a passivated main side with at least one chip contact surface, on which main side an insulation layer is provided, which in each case has an opening in the region of the at least one chip contact surface, the chip contact surfaces being provided with a chip contact surface metallization of predetermined thickness in the openings of the insulation layer.
- an electronic component can be produced inexpensively and, in particular, used for further processing in planar connection technology.
- a pre-processed electronic component can be processed more cost-effectively into modules compared to conventional chips.
- An electronic component according to the invention can be designed, in particular, with heat buffer zones in the form of the chip contact surface metallizations, which can be implemented in the context of the planar connection technology with difficulty or only at high cost.
- the side edges of the chip are provided with the insulating layer. It may further be provided that the side edges of the chip have a sloping flank, whereby the further application of the provided in the context of the planar connection process insulation layer is facilitated. In particular, weak points in the field of dielectric strength can be avoided in this way.
- the insulation layer expediently comprises a photosensitive material, in particular comprising a polyimide, benzocyclobutenes BCB or an epoxy resist.
- the insulation layer may alternatively be formed by a lacquer.
- the thickness of the chip contact surface metallization of a device according to the invention is between 10 .mu.m and 500 .mu.m. In principle, even thicker chip contact surface metallizations can be produced.
- the insulation layer can be formed in a further embodiment of a single or multiple layers.
- the chip may have a plurality of chip contact surface metallizations, which may have a different thickness.
- the chip is a power semiconductor chip, in which a chip contact surface forms a control connection and another chip contact surface forms a load connection, wherein the chip contact surface metallization of the load connection is greater than that of the control connection.
- the chip may be a logic chip or an LED (light-emitting diode) chip.
- FIG. 1 shows a schematic cross-sectional representation through a plurality of chips arranged in a wafer after the application of an insulating layer and the formation of chip contact surface metallizations
- Fig. 2 shows an inventive electronic component
- FIG 3 shows an electronic module in which an inventive electronic component is contacted in planar connection technology.
- FIG. 1 shows, in a schematic representation, a cross section of, by way of example, three chips arranged side by side in a wafer composite 1.
- the chips 3 are in this case arranged on a support 2, for example a sawing foil provided with an adhesive surface.
- the connection of the carrier 2 with the wafer takes place here, before the separation of the chips 3 from the wafer composite 1.
- Each of the chips 3 has, for example, two chip contact surfaces 4, 5 on a main side remote from the carrier 2.
- These main pages are provided with a passivation layer 6, as usual in the processing of wafers.
- the surfaces facing away from the chip 3 surfaces of the chip contact surfaces 4, 5 and the passivation layer 6 are approximately in one plane.
- the width of respective respective dividing lines between two adjacent chips 3 is indicated in FIG. 1 by bi.
- the severing can take place, for example, by means of a sawing process which completely separates two adjacent chips 3, so that a small recess 10 is formed in the carrier 2 as a result.
- the chips 3 are provided with the insulating layer 7. Due to the trenches formed between two adjacent chips 3, not only the surfaces of the chips 3 which are parallel to the carrier 2 but also the side edges 11 or flanks of the chips 3 are covered with the insulating layer 7.
- the insulation layer 7 can be made by spin coating, spraying, dipping, roller coating or a lamination process. If the insulating layer is formed by a lacquer, this can also be applied by a structured, printing technology process.
- the thickness of the insulation layer 7 depends on the thickness of chip contact surface metallizations 8, 9 to be produced.
- a photosensitive material is used for the insulating layer 7.
- This may be, for example, a photosensitive polyimide, photosensitive benzocyclobutene BCB or a photosensitive epoxy resist.
- This allows the structure tation of the insulation layer by known photographic techniques done.
- an exposure can take place via mask technologies or data guided laser exposure systems, so that in both cases highly precise opening structures can be generated. This will be in the field of
- Chip contact surfaces 4, 5 corresponding openings formed in the insulating layer 7.
- a laser ablation process, a plasma process or a wet-chemical etching process are particularly suitable for structuring.
- the use of plasma or etching processes requires an adapted ⁇ tzresist Weg beforehand.
- the chip contact surface metallizations 8, 9 can be formed in the area of the chip contact areas 4, 5 by a plating process.
- the formation of the chip contact surfaces 8, 9 takes place here on the wafer level.
- the advantage of the proposed method is that the application of the insulating layer 7 in a planar state can take place by simple and common coating methods, which makes it very cost-effective.
- a wide range of insulation materials allows adaptation to downstream contacting of individual electronic components.
- insulation can also be achieved, in particular, at the critical side edges of the chips at the wafer level level.
- This can be achieved by coating application or by the use of insulating films, which are applied for example by a Vakuumlaminier perspectives.
- insulating films which are applied for example by a Vakuumlaminier perspectives.
- different layer thicknesses of the chip contact surface metallizations can be achieved, as a result of which, for example, thermal buffers can be formed by thick chip contact surface metallizations.
- the structuring can also be carried out with high precision for fine structuring.
- the chips 3 still present in the wafer composite 1 are separated. This is done for example by a sawing process, in which case the insulation layers applied to the flanks 11 of the chips 3 are not impaired as far as possible. A separation of two adjacent chips 3 is thus carried out in the region of a width b 2 having dividing line.
- the resulting electronic component 100 which is subsequently detached from the carrier 2, is shown in FIG. 2.
- the electronic component 100 has in this exemplary embodiment two identically thick chip contact surface metallizations 8, 9. However, this is not mandatory. By a multiple, sequential implementation of the method described above, different thickness Chiptitle vommetallmaschineen can create.
- the layer thickness of the chip contact surface metallizations 8, 9 is preferably between 10 .mu.m and 500 .mu.m.
- the production of thick chip contact surface metallizations is appropriate if they are to assume, for example, a heat buffer function.
- FIG. 3 shows the further processing of an electronic component according to the invention according to FIG. 2 to form a chip module 200.
- a substrate 20 has contact surfaces 21, 22, 23 on front and rear sides.
- the electronic component is arranged on the contact surface 21 and mechanically connected to it by soldering, for example. If the electronic component has an electrical contact on its rear side, then an electrical contact is established via the connection.
- the chip contact surface 8 is connected to a conductor traction structure 25, via which likewise an electrical contact is made with respect to a contact surface which is not closer to the figure or to a component.
- the production of the trained Porterzug Weg 25, 26 takes place by covering the surface of the applied on the support electronic module with the insulating layer
- a thin metal layer is applied over the entire surface of the insulating layer 24 and its openings introduced.
- the thin metal layer may be formed by sputtering, evaporation or other methods. This consists e.g. from a 50 nm thick titanium layer and a 1 ⁇ m thick copper layer.
- another, usually made of an insulating material existing photosensitive film is applied. This is exposed and developed according to the desired conductive structure. The exposure is e.g. using a mask that transfers the layout of the conductive structure to the film. In the process, those sections of the photographic film are sealed off by the mask, which forms the later conductor structure
- the conductor traction structure which has a thickness of 20 ⁇ m to 200 ⁇ m, is grown by galvanic reinforcement.
- the conductor pull structure 25, 26 can be made very thin, since this is only needed for producing the electrical connections between the respective contact surfaces. Any heat buffer functions or electrical resistances need not be taken into account by this procedure.
- the still lying on the surface lenthe Fotofolie at the areas where no electrically conductive structure is to be formed removed. Finally, a differential etching takes place in which the entire surface of the thin metal layer is removed, so that only the desired autismzug poetic remains.
- the advantage of the method according to the invention using the connection technology just described is that both the (rewiring) insulation layer 24 and the permanent insulation layer 7 contribute to the electrical insulation. For this reason, the insulating layer 24 can be formed much thinner compared to the prior art method, while still achieving the required withstand voltage.
Landscapes
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007035902A DE102007035902A1 (de) | 2007-07-31 | 2007-07-31 | Verfahren zum Herstellen eines elektronischen Bausteins und elektronischer Baustein |
| PCT/EP2008/059368 WO2009016041A1 (de) | 2007-07-31 | 2008-07-17 | Verfahren zum herstellen eines elektronischen bausteins und elektronischer baustein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2174348A1 true EP2174348A1 (de) | 2010-04-14 |
Family
ID=39929589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08786207A Withdrawn EP2174348A1 (de) | 2007-07-31 | 2008-07-17 | Verfahren zum herstellen eines elektronischen bausteins und elektronischer baustein |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20100133577A1 (de) |
| EP (1) | EP2174348A1 (de) |
| JP (1) | JP2010534949A (de) |
| KR (1) | KR20100059828A (de) |
| CN (1) | CN101765912B (de) |
| DE (1) | DE102007035902A1 (de) |
| WO (1) | WO2009016041A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456803A (zh) * | 2010-10-20 | 2012-05-16 | 展晶科技(深圳)有限公司 | 发光二极管封装结构 |
| EP2747132B1 (de) * | 2012-12-18 | 2018-11-21 | IMEC vzw | Verfahren zur Übertragung von Graphenfolie-Metall-Kontaktkügelchen eines Substrates zur Verwendung in einem Halbleitervorrichtungspaket |
| US10672664B2 (en) * | 2016-03-01 | 2020-06-02 | Infineon Technologies Ag | Composite wafer, semiconductor device, electronic component and method of manufacturing a semiconductor device |
| DE102019130778B4 (de) | 2018-11-29 | 2025-05-22 | Infineon Technologies Ag | Ein Package, welches ein Chip Kontaktelement aus zwei verschiedenen elektrisch leitfähigen Materialien aufweist, sowie ein Verfahren zum Herstellen eines Package |
| CN110176447B (zh) * | 2019-05-08 | 2024-10-11 | 上海芯体电子科技有限公司 | 表面组装元器件及其封装方法 |
| US11881437B2 (en) * | 2021-10-27 | 2024-01-23 | Infineon Technologies Ag | Embedded package with electrically isolating dielectric liner |
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| DE102005041174A1 (de) * | 2005-08-30 | 2007-03-15 | Infineon Technologies Ag | Leistungshalbleiterbauteil mit Leitungen innerhalb eines Gehäuses |
| DE102005057401B4 (de) * | 2005-11-30 | 2009-10-08 | Infineon Technologies Ag | Halbleiterbauteil und Verfahren zu dessen Herstellung |
| TWI349318B (en) * | 2007-04-11 | 2011-09-21 | Siliconware Precision Industries Co Ltd | Stackable semiconductor device and manufacturing method thereof |
-
2007
- 2007-07-31 DE DE102007035902A patent/DE102007035902A1/de not_active Ceased
-
2008
- 2008-07-17 KR KR1020107004606A patent/KR20100059828A/ko not_active Withdrawn
- 2008-07-17 CN CN2008801010357A patent/CN101765912B/zh not_active Expired - Fee Related
- 2008-07-17 JP JP2010518604A patent/JP2010534949A/ja not_active Ceased
- 2008-07-17 EP EP08786207A patent/EP2174348A1/de not_active Withdrawn
- 2008-07-17 US US12/452,955 patent/US20100133577A1/en not_active Abandoned
- 2008-07-17 WO PCT/EP2008/059368 patent/WO2009016041A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009016041A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010534949A (ja) | 2010-11-11 |
| US20100133577A1 (en) | 2010-06-03 |
| CN101765912A (zh) | 2010-06-30 |
| KR20100059828A (ko) | 2010-06-04 |
| WO2009016041A1 (de) | 2009-02-05 |
| DE102007035902A1 (de) | 2009-02-05 |
| CN101765912B (zh) | 2013-02-06 |
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