WO2004086498A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- WO2004086498A1 WO2004086498A1 PCT/JP2003/003733 JP0303733W WO2004086498A1 WO 2004086498 A1 WO2004086498 A1 WO 2004086498A1 JP 0303733 W JP0303733 W JP 0303733W WO 2004086498 A1 WO2004086498 A1 WO 2004086498A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- stiffener
- annular stiffener
- thermal expansion
- semiconductor device
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/562—Protection against mechanical damage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/16—Fillings or auxiliary members in containers or encapsulations, e.g. centering rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/16227—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3121—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation
- H01L23/3128—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation the substrate having spherical bumps for external connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12044—OLED
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3011—Impedance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/35—Mechanical effects
- H01L2924/351—Thermal stress
- H01L2924/3511—Warping
Definitions
- the present invention relates to a semiconductor device having a semiconductor element mounted on a substrate.
- a semiconductor device in which a semiconductor element is mounted on a substrate is known.
- wire chip bonding and flip chip bonding are performed.
- flip-chip bonding is increasingly used.
- solder balls are provided on the electrodes of the semiconductor element, and the solder poles are joined to the electrodes of the substrate while heating the semiconductor element and the substrate. In this way, the semiconductor device is electrically and mechanically coupled to the substrate.
- annular stiffener is provided on the surface of the substrate so as to surround the semiconductor element, and deformation of the substrate is prevented by the rigidity of the stiffener.
- a semiconductor device provided with an annular stiffener is disclosed in, for example, Japanese Patent Application Laid-Open No. Hei 9-260527.
- the annular stiffener is formed of a material in which the thermal expansion coefficient of the annular stiffener is larger than that of the substrate.
- the annular stiffener expands more than the plate, the annular stiffener pulls the substrate outward, and the substrate remains flat.
- the substrate is usually returned from a high temperature to a normal temperature. Then, the annular stiffener shrinks more than the substrate, causing the substrate to shrink. As a result, the substrate may not be perfectly flat, which may adversely affect subsequent processes such as BGA ball bonding. Disclosure of the invention
- a semiconductor device includes a substrate, a semiconductor element attached to the substrate, an inner annular stiffener provided on the substrate outside the semiconductor element, and a substrate provided outside the inner annular stiffener. And an outer annular stiffener provided in the inner ring, wherein the inner annular stiffener and the outer annular stiffener are made of materials having different coefficients of thermal expansion.
- the inner and outer annular stiffeners impart rigidity to the substrate and maintain the substrate in a flat state.
- the inner and outer annular stiffeners are made of materials having different coefficients of thermal expansion, and the combination is such that the average coefficient of thermal expansion of those materials approaches the coefficient of thermal expansion of the substrate. Selected. Accordingly, the inner and outer annular stiffeners thermally expand and contract to hold the substrate in a flat position during heating and cooling.
- the inner annular stiffener and the outer annular stubner are made of a metallic material.
- the thickness of the inner annular stiffener and the outer annular stiffener is larger than the thickness of the substrate.
- the coefficient of thermal expansion of the inner annular stiffener is lower than that of the outer annular stiffener
- the inner annular stiffener and the outer annular stiffener are provided on the substrate on the same side as the semiconductor element.
- the semiconductor element is joined to the substrate by a solder pole, and the inner annular stiffener and the outer annular stiffener are joined to the substrate by an adhesive. Solder poles for connection to the wiring board are provided on the half of the substrate with the semiconductor element.
- FIG. 1 is a plan view showing a semiconductor device according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the semiconductor device of FIG. 1 along the line II-II of FIG. 1.
- FIGS. 3A to 3C are diagrams showing a mounting process of the semiconductor device of FIG.
- FIG. 4 is a diagram showing the warpage of the substrate of the semiconductor device of the present invention and the warpage of the semiconductor device of the comparative example.
- FIG. 5 is a diagram showing the relationship between the difference between the thermal expansion coefficient of the substrate and the combined thermal expansion coefficients of the inner and outer annular stiffeners and the amount of warpage of the substrate.
- the semiconductor device 10 includes a substrate 12 and a semiconductor element 14 attached to the substrate 12.
- the semiconductor element 14 is a semiconductor chip constituting a CPU, and has solder balls 16 provided on its electrodes.
- the substrate 12 has electrodes corresponding to the solder poles 16 of the semiconductor element 14 and has a circuit pattern including the electrodes.
- the substrate 12 is made of an organic resin material, for example, BT resin.
- the substrate 12 is formed as a single-layer substrate or a multilayer substrate, and includes a resin material as a base and a conductor material such as Cu for forming electrodes and circuit patterns.
- the semiconductor element 14 and the substrate 12 are electrically and mechanically coupled to each other by heating the semiconductor element 14 and the substrate 12 and joining the solder pole 16 to an electrode of the substrate 12.
- a solder pole 18 for connection to a further wiring substrate is provided on the back side of the substrate 12.
- the electrodes on the front surface of the substrate 12 and the solder poles 18 on the rear surface are connected by a peer circuit pattern.
- the semiconductor device 10 includes an inner annular stiffener 20 provided on the substrate 12 outside the semiconductor element 14, and an outer annular stiffener 20 provided on the substrate 12 outside the inner annular stiffener 20. Of the stiffener 22. An inner annular stiffener 20 and an outer annular stiffener 22 are provided on the substrate 12 on the same side as the semiconductor element 14. Semiconductor element 14 is joined to substrate 12 by solder balls 16. A solder ball 18 for connection to a wiring board is provided on the half of the substrate 12 with respect to the semiconductor element 14.
- the substrate 12 and the semiconductor element 14 have a substantially square shape, and the inner annular stiffener 20 and the outer annular stiffener 22 also have a substantially square shape.
- the inner annular stiffener 20 and the outer annular stiffener 22 are made of materials having different coefficients of thermal expansion.
- the inner annular stiffener 20 and the outer annular stiffener 22 are bonded to the substrate 12 with an adhesive.
- the inner and outer annular stiffeners 20, 22 add rigidity to the substrate 12 and maintain the substrate 12 in a flat state.
- the inner and outer annular stiffeners 20 and 22 are made of materials having different thermal expansion coefficients, and a composite thermal expansion coefficient obtained by averaging the thermal expansion coefficients of those materials is used as the thermal expansion coefficient of the substrate 12. It is selected as a close combination. Accordingly, the inner and outer annular stiffeners 20, 22 expand and contract in the same manner as the substrate 12 so as to maintain the substrate 12 in a flat position during heating and cooling.
- FIGS. 3A to 3C show the semiconductor of FIG.
- FIG. 3 is a diagram showing a mounting process of the device 10.
- an inner annular stiffener 20 and an outer annular stiffener 22 are attached to the substrate 12 simultaneously (in a lump) with an adhesive.
- the semiconductor element 14 is joined to the substrate 12 by the solder pole 16.
- a solder ball 18 for connection to a wiring board is attached to the side of the board 12 opposite to the semiconductor element 14. Then, the semiconductor device 10 is mounted on the wiring board by the solder pole 18.
- the inner annular stiffener 20 and the outer annular stiffener 22 are made of a metallic material.
- the thickness of the inner annular stiffener 20 and the outer annular stiffener 22 is greater than the thickness of the substrate 12.
- the thickness of the inner annular stiffener 20 and the outer annular stiffener 22 is about lmm, and the thickness of the substrate 12 is about 0.5mm. Accordingly, the inner annular stiffener 20 and the outer annular stiffener 22 have considerable strength, thus preventing the substrate 12 from being deformed.
- Either the thermal expansion coefficient of the inner annular stiffener 20 or the thermal expansion coefficient of the outer annular stiffener 22 can be larger than the other. However, preferably, the coefficient of thermal expansion of the inner annular stiffener 20 is smaller than the coefficient of thermal expansion of the outer annular stiffener 22.
- the coefficient of thermal expansion of the substrate 12 made of BT resin is 20 ppm (in this case, the coefficient of thermal expansion of the substrate 12 is Is a coefficient).
- metal materials suitable for Stevenah include SUS (coefficient of thermal expansion: 17.3 ppm), Cu (coefficient of thermal expansion: 17.3 ppm), and A1 (coefficient of thermal expansion: 24.3 ppm).
- the inner annular stiffener 20 made of SUS (coefficient of thermal expansion 17. 3 ppm), an annular stiffener 22 outwardly A1 (thermal expansion coefficient of 24. 3 P pm) Made with.
- the average thermal expansion coefficient of those materials is 20.8 ppm.
- FIG. 4 is a diagram showing the warpage of the substrate of the semiconductor device of the present invention and the warpage of the semiconductor device of the comparative example.
- Time A on the horizontal axis indicates the state of the board without the stiffener
- time B indicates the state of the board with the stiffener mounted
- time C indicates the state of the board after the stiffener is mounted and the semiconductor element 14 is mounted.
- a thick solid curve D indicates the amount of warpage of the substrate 12 of the present invention having the inner annular stiffener (SUS) 20 and the outer annular stiffener (A1) 22.
- the amount of warpage at time A is 0.356 mm
- the amount of warpage at time B is 0.064 mm
- the amount of warpage at time C is 0.144 mm.
- Thin solid curve E shows the amount of warpage of the reference substrate having a single stiffener made of A1.
- the warpage at time A is 0.376 mm
- the warpage at time B is 0.081 mm
- the warpage at time C is 0.160 mm.
- Dotted curve F shows the amount of warpage of the reference example substrate having a single stiffener made of Cu.
- the warpage at time A is 0.320 mm
- the warpage at time B is 0.076 mm
- the warpage at time C is 0.206 mm.
- the dashed line curve G shows the amount of warpage of the substrate of the reference example having a single stiffener made of SUS.
- the amount of warpage at time A is 0.358 mm
- the amount of warpage at time B is 0.100 mm
- the amount of warpage at time C is 0.217 m m.
- the amount of warpage at the point B in each example is small, and the amount of warpage of the substrate 12 is reduced by providing the stiffener.
- the amount of warpage at time C in each example is greater than the amount of warpage at time B in each example. That is, when the semiconductor element 14 is attached to the substrate 12 by the solder balls 16, the semiconductor element 14 and the substrate 12 are heated and cooled, so that they are deformed by receiving different thermal stresses, and the amount of warpage is large. Become. In the case of the semiconductor device 10 of the present invention shown by the thick solid line, the amount of warpage is the smallest even under such thermal stress.
- the substrate 12 is warped due to a difference in thermal expansion during heating, and further, due to a difference in thermal shrinkage when returned to room temperature. As a result, the substrate 12 is warped.
- a single annular stiffener is used, it cannot sufficiently cope with high temperatures and normal temperatures.
- the annular stibna expands and pulls the substrate outward, so that the substrate is kept somewhat flat.
- the annular stiffener shrinks greatly and drags the substrate to shrink, so that the substrate is not completely flat.
- one of the two annular stiffeners 20,22 pulls the substrate outward when the substrate is brought to a hot state, and the two annular stiffeners 20,22 When the other is returned from the high temperature state to the normal temperature state, it shrinks slightly and does not shrink the substrate 12 more than its own shrinkage, and maintains the substrate 12 in a substantially flat state.
- the coefficient of thermal expansion of the inner annular stiffener 20 be smaller than the coefficient of thermal expansion of the outer annular stiffener 22.
- the substrate 12 and the annular stiffener can be heated and cooled. Since there is no difference in thermal expansion and thermal contraction between them, it is considered that the substrate 12 does not deform due to the difference in thermal expansion and contraction with the stiffener.
- the thermal expansion coefficient of the annular stiffener is the same as that of the substrate 12. Therefore, if the inner and outer annular stiffeners 20 and 22 are provided so that the composite thermal expansion coefficient obtained by averaging the thermal expansion coefficients of those materials approaches the thermal expansion coefficient of the substrate 12, the thermal expansion coefficient can be reduced. It can be considered as a single annular stiffener that has the same coefficient of thermal expansion as the substrate 12.
- FIG. 5 is a diagram showing the relationship between the difference between the thermal expansion coefficient of the substrate 12 and the combined thermal expansion coefficients of the inner and outer annular stiffeners 20 and 22 and the amount of warpage of the substrate.
- Curve H shows the amount of warpage of the substrate 12 when the inner and outer annular stiffeners 20 and 22 are attached to the substrate 12.
- Curve I shows the amount of warpage of the substrate 12 at the time of reflow (high temperature) when the semiconductor element 14 is mounted on the substrate 12.
- Curve J indicates the amount of warpage of the substrate 12 at the time after the reflow process (at a normal temperature) when the semiconductor element 14 is mounted on the substrate 12.
- Curve J indicates that the smaller the difference between the thermal expansion coefficient of the substrate 12 and the combined thermal expansion coefficient of the inner and outer annular stiffeners 20 and 22, the smaller the amount of warpage.
- the flatness of the substrate can be ensured at both a high temperature and a normal temperature. Improvement can be realized.
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Wire Bonding (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003227213A AU2003227213A1 (en) | 2003-03-26 | 2003-03-26 | Semiconductor device |
JP2004569935A JP4067529B2 (ja) | 2003-03-26 | 2003-03-26 | 半導体装置 |
PCT/JP2003/003733 WO2004086498A1 (ja) | 2003-03-26 | 2003-03-26 | 半導体装置 |
US11/089,212 US7102228B2 (en) | 2003-03-26 | 2005-03-25 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/003733 WO2004086498A1 (ja) | 2003-03-26 | 2003-03-26 | 半導体装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/089,212 Continuation US7102228B2 (en) | 2003-03-26 | 2005-03-25 | Semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004086498A1 true WO2004086498A1 (ja) | 2004-10-07 |
Family
ID=33045141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/003733 WO2004086498A1 (ja) | 2003-03-26 | 2003-03-26 | 半導体装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7102228B2 (ja) |
JP (1) | JP4067529B2 (ja) |
AU (1) | AU2003227213A1 (ja) |
WO (1) | WO2004086498A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008105069A1 (ja) * | 2007-02-27 | 2008-09-04 | Fujitsu Limited | プリント基板ユニットおよび半導体パッケージ |
JP2009278060A (ja) * | 2008-05-13 | 2009-11-26 | Samsung Electro-Mechanics Co Ltd | 印刷回路基板及びその製造方法 |
JP2010129810A (ja) * | 2008-11-28 | 2010-06-10 | Fujitsu Ltd | 半導体素子搭載用基板及び半導体装置 |
US8004096B2 (en) | 2006-02-22 | 2011-08-23 | Fujitsu Limited | Semiconductor device and a manufacturing method thereof |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100509253C (zh) * | 2003-04-01 | 2009-07-08 | 纳米钢公司 | 焊接物的受控热膨胀以提高韧性 |
CN101278393A (zh) * | 2005-09-29 | 2008-10-01 | 日本电气株式会社 | 半导体封装、衬底、使用这种半导体封装或衬底的电子器件和用于校正半导体封装翘曲的方法 |
WO2007088631A1 (ja) * | 2006-02-03 | 2007-08-09 | Matsushita Electric Industrial Co., Ltd. | 回路基板の接続部および回路基板の接続構造 |
TWI311366B (en) * | 2006-06-30 | 2009-06-21 | Advanced Semiconductor Eng | A flip-chip package structure with stiffener |
JP5433923B2 (ja) * | 2006-06-30 | 2014-03-05 | 富士通株式会社 | スティフナ付き基板およびその製造方法 |
TWI309879B (en) * | 2006-08-21 | 2009-05-11 | Advanced Semiconductor Eng | Reinforced package and the stiffener thereof |
JP2009130054A (ja) * | 2007-11-21 | 2009-06-11 | Shinko Electric Ind Co Ltd | 配線基板及びその製造方法 |
US8313984B2 (en) | 2008-03-19 | 2012-11-20 | Ati Technologies Ulc | Die substrate with reinforcement structure |
US7923850B2 (en) * | 2008-08-26 | 2011-04-12 | Advanced Micro Devices, Inc. | Semiconductor chip with solder joint protection ring |
US8216887B2 (en) * | 2009-05-04 | 2012-07-10 | Advanced Micro Devices, Inc. | Semiconductor chip package with stiffener frame and configured lid |
US9867282B2 (en) | 2013-08-16 | 2018-01-09 | Ati Technologies Ulc | Circuit board with corner hollows |
US20170170087A1 (en) * | 2015-12-14 | 2017-06-15 | Intel Corporation | Electronic package that includes multiple supports |
US10764996B1 (en) * | 2018-06-19 | 2020-09-01 | Xilinx, Inc. | Chip package assembly with composite stiffener |
CN113571477A (zh) * | 2020-04-28 | 2021-10-29 | 华为机器有限公司 | 一种加强圈及表面封装组件 |
CN118280933A (zh) * | 2022-12-30 | 2024-07-02 | 华为技术有限公司 | 芯片封装结构及电子设备 |
Citations (3)
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JPH1140687A (ja) * | 1997-07-16 | 1999-02-12 | Toshiba Corp | 半導体装置 |
US5895965A (en) * | 1996-09-20 | 1999-04-20 | Hitachi, Ltd. | Semiconductor device |
US6078506A (en) * | 1997-02-13 | 2000-06-20 | Nec Corporation | Tape-ball grid array type semiconductor device having reinforcement plate with slits |
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JP3437369B2 (ja) | 1996-03-19 | 2003-08-18 | 松下電器産業株式会社 | チップキャリアおよびこれを用いた半導体装置 |
JPH1056110A (ja) | 1996-08-09 | 1998-02-24 | Shinko Electric Ind Co Ltd | 半導体用プラスチックパッケージと半導体装置 |
US5838063A (en) * | 1996-11-08 | 1998-11-17 | W. L. Gore & Associates | Method of increasing package reliability using package lids with plane CTE gradients |
US6011304A (en) * | 1997-05-05 | 2000-01-04 | Lsi Logic Corporation | Stiffener ring attachment with holes and removable snap-in heat sink or heat spreader/lid |
JP2000276567A (ja) | 1999-03-26 | 2000-10-06 | Hitachi Ltd | 非接触icカード |
JP2000349178A (ja) * | 1999-06-08 | 2000-12-15 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
US6441499B1 (en) * | 2000-08-30 | 2002-08-27 | Lsi Logic Corporation | Thin form factor flip chip ball grid array |
US6590278B1 (en) * | 2002-01-08 | 2003-07-08 | International Business Machines Corporation | Electronic package |
US6703704B1 (en) * | 2002-09-25 | 2004-03-09 | International Business Machines Corporation | Stress reducing stiffener ring |
-
2003
- 2003-03-26 JP JP2004569935A patent/JP4067529B2/ja not_active Expired - Fee Related
- 2003-03-26 WO PCT/JP2003/003733 patent/WO2004086498A1/ja active Application Filing
- 2003-03-26 AU AU2003227213A patent/AU2003227213A1/en not_active Abandoned
-
2005
- 2005-03-25 US US11/089,212 patent/US7102228B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5895965A (en) * | 1996-09-20 | 1999-04-20 | Hitachi, Ltd. | Semiconductor device |
US6078506A (en) * | 1997-02-13 | 2000-06-20 | Nec Corporation | Tape-ball grid array type semiconductor device having reinforcement plate with slits |
JPH1140687A (ja) * | 1997-07-16 | 1999-02-12 | Toshiba Corp | 半導体装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8004096B2 (en) | 2006-02-22 | 2011-08-23 | Fujitsu Limited | Semiconductor device and a manufacturing method thereof |
WO2008105069A1 (ja) * | 2007-02-27 | 2008-09-04 | Fujitsu Limited | プリント基板ユニットおよび半導体パッケージ |
US8023268B2 (en) | 2007-02-27 | 2011-09-20 | Fujitsu Limited | Printed circuit board unit and semiconductor package |
JP4846019B2 (ja) * | 2007-02-27 | 2011-12-28 | 富士通株式会社 | プリント基板ユニットおよび半導体パッケージ |
JP2009278060A (ja) * | 2008-05-13 | 2009-11-26 | Samsung Electro-Mechanics Co Ltd | 印刷回路基板及びその製造方法 |
JP2010129810A (ja) * | 2008-11-28 | 2010-06-10 | Fujitsu Ltd | 半導体素子搭載用基板及び半導体装置 |
Also Published As
Publication number | Publication date |
---|---|
US7102228B2 (en) | 2006-09-05 |
JP4067529B2 (ja) | 2008-03-26 |
AU2003227213A1 (en) | 2004-10-18 |
JPWO2004086498A1 (ja) | 2006-06-29 |
US20050161816A1 (en) | 2005-07-28 |
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