WO2006035541A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- WO2006035541A1 WO2006035541A1 PCT/JP2005/013355 JP2005013355W WO2006035541A1 WO 2006035541 A1 WO2006035541 A1 WO 2006035541A1 JP 2005013355 W JP2005013355 W JP 2005013355W WO 2006035541 A1 WO2006035541 A1 WO 2006035541A1
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- semiconductor chip
- opening
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- semiconductor device
- semiconductor
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- H—ELECTRICITY
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- 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
- H10W74/012—Manufacture or treatment of encapsulations on active surfaces of flip-chip devices, e.g. forming underfills
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- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/60—Insulating or insulated package substrates; Interposers; Redistribution layers
- H10W70/62—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their interconnections
- H10W70/65—Shapes or dispositions of interconnections
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- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
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- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/111—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
- H10W74/127—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed characterised by arrangements for sealing or adhesion
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- 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
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- 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
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- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/15—Encapsulations, e.g. protective coatings characterised by their shape or disposition on active surfaces of flip-chip devices, e.g. underfills
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- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
- H10W72/07141—Means for applying energy, e.g. ovens or lasers
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- H10W72/071—Connecting or disconnecting
- H10W72/072—Connecting or disconnecting of bump connectors
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/072—Connecting or disconnecting of bump connectors
- H10W72/07231—Techniques
- H10W72/07236—Soldering or alloying
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- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07351—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting
- H10W72/07353—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting changes in shapes
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- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07351—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting
- H10W72/07354—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting changes in dispositions
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- H10W72/00—Interconnections or connectors in packages
- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
- H10W72/241—Dispositions, e.g. layouts
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- H10W72/00—Interconnections or connectors in packages
- H10W72/20—Bump connectors, e.g. solder bumps or copper pillars; Dummy bumps; Thermal bumps
- H10W72/251—Materials
- H10W72/252—Materials comprising solid metals or solid metalloids, e.g. PbSn, Ag or Cu
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- H10W72/331—Shapes of die-attach connectors
- H10W72/334—Cross-sectional shape, i.e. in side view
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- H10W72/341—Dispositions of die-attach connectors, e.g. layouts
- H10W72/344—Dispositions of die-attach connectors, e.g. layouts relative to underlying supporting features, e.g. bond pads, RDLs or vias
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- H10W72/00—Interconnections or connectors in packages
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- H10W72/381—Auxiliary members
- H10W72/387—Flow barriers
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- H10W72/00—Interconnections or connectors in packages
- H10W72/90—Bond pads, in general
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- H10W72/00—Interconnections or connectors in packages
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- H10W72/921—Structures or relative sizes of bond pads
- H10W72/923—Bond pads having multiple stacked layers
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- H10W72/941—Dispositions of bond pads
- H10W72/9415—Dispositions of bond pads relative to the surface, e.g. recessed, protruding
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/721—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors
- H10W90/724—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors between a chip and a stacked insulating package substrate, interposer or RDL
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- 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
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/734—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked insulating package substrate, interposer or RDL
Definitions
- the present invention relates to a semiconductor device having a flip-chip connected semiconductor chip
- FIG. 4 is a schematic cross-sectional view of a semiconductor device having a flip-chip connection structure.
- the semiconductor device 51 includes a wiring board 52 and a semiconductor chip 53 connected to the surface 52a of the wiring board 52 with the functional surface 53a facing each other.
- connection pad 58 is formed on the surface 52a of the wiring board 52, and the wiring board 52 and the semiconductor chip 53 are separated from each other by a connection member 55 connected to the connection pad 58. Are joined together and electrically connected to each other. Further, a solder resist film 56 having a thickness V smaller than the distance between the surface 52a and the functional surface 53a of the semiconductor chip 53 is formed on the surface 52a of the wiring substrate 52.
- a rectangular opening 56a for exposing the connection pad 58 is formed in the solder resist film 56. As shown in FIG. 5, the opening 56a is formed larger than the connection pad 58 in plan view, and the connection member 55 is connected to the connection pad 58 in the opening 56a.
- a minute gap is formed between the surface of the solder resist film 56 and the functional surface 53 a of the semiconductor chip 53, and this gap is sealed by the underfill layer 57.
- the underfill layer 57 is formed by injecting a liquid underfill material between the wiring substrate 52 and the semiconductor chip 53 after bonding.
- a dispenser 60 is disposed in the vicinity of the outer periphery of the semiconductor chip 53, and the dispenser 60 As for the force, a liquid underfill material 57P is poured between the surface of the solder resist film 56 and the functional surface 53a of the semiconductor chip 53. The underfill material 57P enters and spreads between the surface of the solder resist film 56 and the functional surface 53a of the semiconductor chip 53 by capillarity as shown in FIG. 6B.
- the underfill material flows into the opening 56a.
- the air present at the peripheral edge portion (step portion) of the opening 56a may not be well escaped and taken into the underfill material, and so-called void 61 may be generated in the underfill layer 57.
- voids are generated in the underfill layer 57, cracks occur in the underfill layer 57 in the reflow process, leading to a decrease in the reliability of the semiconductor device.
- Non-Patent Document 1 Chee Choong Kooi and 6 others, “Capillary Underfill and Mold Encapsulati on Materials for Exposed Die Flip Chip Molded Matrix Array Package with Thin Sub strate, 2003 Electronics Packaging Technology Conference ⁇ p.324—330
- An object of the present invention is to provide a semiconductor device having a configuration capable of preventing formation of voids in a sealing layer.
- the semiconductor device of the present invention has a solid-state device and a functional surface on which a functional element is formed.
- the functional surface is opposed to the surface of the solid-state device, and between the surface of the solid-state device.
- the opening of the insulating film is perpendicular to the surface facing the semiconductor chip of the solid state device.
- the semiconductor chip is formed in a size larger than that of the semiconductor chip.
- the opening of the insulating film is formed so that the semiconductor chip is completely included in the plan view in which the facing surface of the solid-state device is looked down vertically.
- the distance between the outer periphery of the semiconductor chip and the opening edge of the insulating film is preferably 0.1 mm or more.
- the solid state device may be a wiring substrate in which wiring is formed on an insulating substrate or a semiconductor substrate.
- the insulating film may be a solder resist. In this case, it is possible to prevent an electrical short circuit in the area covered with the solder resist.
- the sealing layer may be provided so as to fill the opening. Thereby, in the solid-state device, the exposed portion from the opening of the insulating film can be protected by the sealing layer.
- FIG. 1 is a schematic cross-sectional view of a semiconductor device according to a first embodiment of the present invention.
- FIG. 2A is a schematic cross-sectional view for explaining a method of manufacturing the semiconductor device shown in FIG.
- FIG. 2B is a schematic cross-sectional view for illustrating the method for manufacturing the semiconductor device shown in FIG.
- FIG. 2C is a schematic cross-sectional view for explaining a method of manufacturing the semiconductor device shown in FIG. 2D is a schematic cross-sectional view for illustrating the method for manufacturing the semiconductor device shown in FIG.
- FIG. 3 is a schematic cross-sectional view of a semiconductor device according to a second embodiment of the present invention.
- FIG. 4 is a schematic cross-sectional view showing the structure of a conventional semiconductor device having semiconductor chips flip-chip connected.
- FIG. 5 is a schematic plan view in which the connection surface of the wiring board shown in FIG. 4 is looked down vertically.
- FIG. 6A is a schematic cross-sectional view for explaining a method of manufacturing the semiconductor device shown in FIG.
- FIG. 6B is a schematic cross-sectional view for illustrating the method for manufacturing the semiconductor device shown in FIG. 4.
- FIG. 1 is a schematic cross-sectional view of a semiconductor device according to a first embodiment of the present invention.
- the semiconductor device 1 includes a wiring board 2 and a semiconductor chip 3 connected to a surface 2a of the wiring board 2 with a functional surface 3a facing each other.
- a rectangular connection pad (see FIGS. 2C and 2D) is formed on the surface 2a of the wiring board 2, and the wiring board 2 and the semiconductor chip 3 are connected to each other by a connecting member 5 connected to the connection pad. They are joined so as to maintain a predetermined distance and are electrically connected to each other.
- a solder resist film 6 having a thickness smaller than the distance between the surface 2 a and the semiconductor chip 3 is formed on the surface 2 a of the wiring board 2.
- the solder resist film 6 prevents an electrical short circuit between the wirings formed on the surface of the wiring board 2.
- an opening 6a having a size larger than that of the semiconductor chip 3 is formed in a plan view in which the surface 2a is looked down vertically.
- the solder resist film 6 is formed with an opening 6a having a size such that the semiconductor chip 3 is completely included in the solder resist film 6 in a plan view in which the surface 2a is viewed vertically.
- the gap G between the wiring board 2 and the semiconductor chip 3 (the area between the wiring board 2 and the semiconductor chip 3 and overlapping with the semiconductor chip 3 in a plan view when the surface 2a is vertically viewed) is soldered. Resist film 6 does not exist.
- An underfill layer 7 is provided in and around the gap G between the wiring board 2 and the semiconductor chip 3.
- the underfill layer 7 is formed so as to fill the opening 6a of the solder resist film 6.
- the underfill layer 7 seals the gap G, and from the functional surface 3a, the connection member 5, and the opening 6a. The exposed part of the surface 2a is protected.
- an end face electrode 8 electrically connected to the connecting member 5 by a wiring (not shown) is formed.
- the end surface electrode 8 is formed so as to extend from the surface 2a of the wiring board 2 to the external connection surface 2b on the opposite side of the surface 2a through the end surface.
- This semiconductor device 1 can achieve electrical connection with another wiring board (mounting board) at the end face electrode 8.
- FIG. 2A to 2D are schematic sectional views for explaining a method for manufacturing the semiconductor device 1 shown in FIG.
- the semiconductor chip 3 is bonded to the surface 2a of the wiring board 2 with the functional surface 3a facing each other, and then an underfill material 7P is injected into the opening 6a of the solder resist film 6, It is obtained by forming the underfill layer 7 by curing the underfill material 7P.
- a substrate 15 in which a plurality of wiring substrates 2 are formed is prepared.
- a liquid photosensitive solder resist film 6 is applied (for example, by spin coating) or printed on the entire surface 15a of the substrate 15 (the surface corresponding to the surface 2a of the wiring substrate 2).
- An opening 6a having a size larger than that of the semiconductor chip 3 is formed by exposure and development.
- the protruding electrode 18 includes a solder material.
- the substrate 15 is held in a substantially horizontal posture with the surface 15a facing upward.
- the semiconductor chip 3 is held by adsorbing the surface opposite to the functional surface 3a by the bonding tool 19 that can be heated with a heater inside.
- the semiconductor chip 3 faces the surface 15a of the substrate 15 with the functional surface 3a facing downward. This situation is shown in Figure 2A.
- the protruding electrode 18 of the semiconductor chip 3 is brought into contact with the connection pad 16 of the substrate 15.
- the bonding tool 19 is lowered and the semiconductor chip 3 is bonded to the substrate 15.
- the semiconductor chip 3 is heated by the bonding tool 19, the solder material of the bump electrode 18 is melted by the heat, and the bump electrode 18 and the connection pad 16 are joined.
- the connection member 5 for mechanically joining the substrate 15 and the semiconductor chip 3 is formed.
- the connecting member 5 the wiring formed on the surface 15 a of the substrate 15 and the functional element 4 of the semiconductor chip 3 are electrically connected.
- the dispenser 10 is disposed above the periphery of the opening 6a of the solder resist film 6, and the underfill material 7P is injected from the dispenser 10 into the opening 6a (see FIG. 2B).
- the underfill material 7P enters the gap G between the substrate 15 and the semiconductor chip 3 due to the capillary phenomenon, and expands along the surface 2a in the gap G (see FIG. 2C.
- the underfill material 7P The spreading direction is indicated by arrow A in FIG.
- the substrate 15 is cut into individual pieces of the wiring board 2 (the cutting position is indicated by the symbol C in FIG. 2A), and the end face electrode 8 is formed at the end of the wiring board 2, and FIG.
- the opening 6a of the solder resist film 6 is formed so that the semiconductor chip 3 is completely included in a plan view of the surface 15a looking down vertically. As a result, it is possible to prevent a step due to the opening 6a of the solder resist film 6 from occurring in the gap G between the substrate 15 and the semiconductor chip 3, and the space above the peripheral edge of the opening 6a is limited by the semiconductor chip 3. Can be prevented.
- FIG. 3 is a schematic cross-sectional view of a semiconductor device according to the second embodiment of the present invention.
- the semiconductor device 21 includes a wiring substrate 22 and a semiconductor chip 3 connected to the surface 22a of the wiring substrate 22 with the functional surface 3a facing each other.
- a solder resist film 6 is formed on the surface 22 a of the wiring board 22.
- the solder resist film 6 is provided with an opening 6a having a size larger than that of the semiconductor chip 3 in a plan view in which the surface 22a is viewed vertically, that is, the semiconductor chip 3 is completely included therein. Yes.
- a metal ball 23 is provided on the external connection surface 22b opposite to the surface 22a.
- the metal balls 23 are rewired inside and at the Z or the surface of the wiring board 22, and are electrically connected to the connecting member 5 on the surface 22a side.
- the semiconductor device 21 can be bonded to another wiring board (mounting board) via the metal ball 23.
- a manufacturing method similar to the above is used by using a substrate having a plurality of wiring substrates 22 correspondingly formed densely instead of the substrate 15. (See 2D).
- the metal ball 23 may be bonded to this board before cutting the board into individual pieces of the wiring board 22 or may be bonded to this wiring board 22 after the individual pieces of the wiring board 22 are cut out. Good.
- the description of the embodiment of the present invention is as described above.
- the present invention can be implemented in another form.
- two or more semiconductor chips 3 may be flip-chip connected to the wiring boards 2 and 22.
- the solder resist film 6 is formed with one or two or more openings 6a completely including each semiconductor chip 3 in a plan view in which the surfaces 2a and 22a are vertically looked down. be able to.
Landscapes
- Wire Bonding (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
Description
Claims
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005800145828A CN1950939B (zh) | 2004-09-28 | 2005-07-21 | 半导体装置 |
| KR1020067022851A KR101158139B1 (ko) | 2004-09-28 | 2005-07-21 | 반도체 장치 |
| US10/594,561 US8405227B2 (en) | 2004-09-28 | 2005-07-21 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US13/782,580 US8754535B2 (en) | 2004-09-28 | 2013-03-01 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US14/276,255 US9117774B2 (en) | 2004-09-28 | 2014-05-13 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US14/824,706 US9721865B2 (en) | 2004-09-28 | 2015-08-12 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US15/635,478 US9831204B2 (en) | 2004-09-28 | 2017-06-28 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US15/806,847 US10522494B2 (en) | 2004-09-28 | 2017-11-08 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US16/703,266 US10818628B2 (en) | 2004-09-28 | 2019-12-04 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US17/039,089 US11355462B2 (en) | 2004-09-28 | 2020-09-30 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US17/752,835 US11842972B2 (en) | 2004-09-28 | 2022-05-24 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-282017 | 2004-09-28 | ||
| JP2004282017A JP2006100385A (ja) | 2004-09-28 | 2004-09-28 | 半導体装置 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/594,561 A-371-Of-International US8405227B2 (en) | 2004-09-28 | 2005-07-21 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
| US13/782,580 Continuation US8754535B2 (en) | 2004-09-28 | 2013-03-01 | Semiconductor device with a semiconductor chip connected in a flip chip manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006035541A1 true WO2006035541A1 (ja) | 2006-04-06 |
Family
ID=36118693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/013355 Ceased WO2006035541A1 (ja) | 2004-09-28 | 2005-07-21 | 半導体装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (9) | US8405227B2 (ja) |
| JP (1) | JP2006100385A (ja) |
| KR (1) | KR101158139B1 (ja) |
| CN (1) | CN1950939B (ja) |
| TW (1) | TW200614475A (ja) |
| WO (1) | WO2006035541A1 (ja) |
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| JP2008034774A (ja) * | 2006-07-28 | 2008-02-14 | Taiyo Yuden Co Ltd | 半導体装置が実装された回路装置及び配線基板 |
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| JP5117371B2 (ja) * | 2008-12-24 | 2013-01-16 | 新光電気工業株式会社 | 半導体装置およびその製造方法 |
| US8405228B2 (en) * | 2009-03-25 | 2013-03-26 | Stats Chippac Ltd. | Integrated circuit packaging system with package underfill and method of manufacture thereof |
| US8536718B2 (en) * | 2010-06-24 | 2013-09-17 | Stats Chippac Ltd. | Integrated circuit packaging system with trenches and method of manufacture thereof |
| JP5962285B2 (ja) * | 2012-07-19 | 2016-08-03 | 日亜化学工業株式会社 | 発光装置およびその製造方法 |
| US10319607B2 (en) * | 2014-08-22 | 2019-06-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Package-on-package structure with organic interposer |
| US9941230B2 (en) | 2015-12-30 | 2018-04-10 | International Business Machines Corporation | Electrical connecting structure between a substrate and a semiconductor chip |
| WO2017189224A1 (en) | 2016-04-26 | 2017-11-02 | Linear Technology Corporation | Mechanically-compliant and electrically and thermally conductive leadframes for component-on-package circuits |
| US10497635B2 (en) * | 2018-03-27 | 2019-12-03 | Linear Technology Holding Llc | Stacked circuit package with molded base having laser drilled openings for upper package |
| US11410977B2 (en) | 2018-11-13 | 2022-08-09 | Analog Devices International Unlimited Company | Electronic module for high power applications |
| US11844178B2 (en) | 2020-06-02 | 2023-12-12 | Analog Devices International Unlimited Company | Electronic component |
| DE102023103394A1 (de) | 2023-02-13 | 2024-08-14 | Rolls-Royce Deutschland Ltd & Co Kg | Leiterplattenanordnung |
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2004
- 2004-09-28 JP JP2004282017A patent/JP2006100385A/ja active Pending
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2005
- 2005-07-21 US US10/594,561 patent/US8405227B2/en not_active Expired - Lifetime
- 2005-07-21 WO PCT/JP2005/013355 patent/WO2006035541A1/ja not_active Ceased
- 2005-07-21 KR KR1020067022851A patent/KR101158139B1/ko not_active Expired - Fee Related
- 2005-07-21 CN CN2005800145828A patent/CN1950939B/zh not_active Expired - Lifetime
- 2005-08-26 TW TW094129372A patent/TW200614475A/zh unknown
-
2013
- 2013-03-01 US US13/782,580 patent/US8754535B2/en active Active
-
2014
- 2014-05-13 US US14/276,255 patent/US9117774B2/en not_active Expired - Lifetime
-
2015
- 2015-08-12 US US14/824,706 patent/US9721865B2/en not_active Expired - Lifetime
-
2017
- 2017-06-28 US US15/635,478 patent/US9831204B2/en not_active Expired - Fee Related
- 2017-11-08 US US15/806,847 patent/US10522494B2/en not_active Expired - Lifetime
-
2019
- 2019-12-04 US US16/703,266 patent/US10818628B2/en not_active Expired - Lifetime
-
2020
- 2020-09-30 US US17/039,089 patent/US11355462B2/en not_active Expired - Lifetime
-
2023
- 2023-10-27 US US18/496,069 patent/US20240055384A1/en not_active Abandoned
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| JP2004186213A (ja) * | 2002-11-29 | 2004-07-02 | Fujitsu Ltd | 回路基板および半導体装置 |
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| JP2008034774A (ja) * | 2006-07-28 | 2008-02-14 | Taiyo Yuden Co Ltd | 半導体装置が実装された回路装置及び配線基板 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1950939B (zh) | 2010-05-05 |
| US20130175708A1 (en) | 2013-07-11 |
| US10818628B2 (en) | 2020-10-27 |
| US20080246163A1 (en) | 2008-10-09 |
| JP2006100385A (ja) | 2006-04-13 |
| US20240055384A1 (en) | 2024-02-15 |
| US20210013168A1 (en) | 2021-01-14 |
| CN1950939A (zh) | 2007-04-18 |
| US9117774B2 (en) | 2015-08-25 |
| US9831204B2 (en) | 2017-11-28 |
| US10522494B2 (en) | 2019-12-31 |
| US9721865B2 (en) | 2017-08-01 |
| US8405227B2 (en) | 2013-03-26 |
| US11355462B2 (en) | 2022-06-07 |
| US20150348862A1 (en) | 2015-12-03 |
| US20200105699A1 (en) | 2020-04-02 |
| US20170301640A1 (en) | 2017-10-19 |
| TW200614475A (en) | 2006-05-01 |
| US20140246789A1 (en) | 2014-09-04 |
| US8754535B2 (en) | 2014-06-17 |
| US20180068970A1 (en) | 2018-03-08 |
| KR101158139B1 (ko) | 2012-06-19 |
| KR20070067007A (ko) | 2007-06-27 |
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