WO1997033313A1 - Dispositif a semi-conducteur et son procede de production - Google Patents
Dispositif a semi-conducteur et son procede de production Download PDFInfo
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- WO1997033313A1 WO1997033313A1 PCT/JP1997/000672 JP9700672W WO9733313A1 WO 1997033313 A1 WO1997033313 A1 WO 1997033313A1 JP 9700672 W JP9700672 W JP 9700672W WO 9733313 A1 WO9733313 A1 WO 9733313A1
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Definitions
- the present invention relates to a semiconductor device, and more particularly to a semiconductor device using a flip-chip mounting technique and a method of manufacturing the same.
- FIG. 9 shows a cross-sectional view of a semiconductor device using the conventional flip chip mounting technology.
- Aluminum electrode terminals 102 are formed on the element forming surface of the semiconductor element 101, and portions other than the aluminum electrode terminals 102 are covered with an insulating film 103 made of a silicon oxide film, a nitride film, or the like. ing.
- a protruding electrode 104 made of a conductive metal material such as Au or Cu is formed.
- a desired circuit pattern 106 and electrode terminals 107 are formed on the main surface of the circuit board 105 made of an insulating material such as resin, ceramics, and glass.
- the electrode terminal 100 is connected to the circuit pattern 106, and is electrically connected to the semiconductor element 101 in flip-chip mounting.
- the protruding electrode 104 and the electrode terminal 107 are electrically connected by a conductive adhesive 108.
- the conductive adhesive 108 is made of powder of conductive metal material such as Ag, Cu, Ni, etc. Adhesive contained in it.
- the gap between the semiconductor element 101 and the circuit board 105 is filled with an insulating resin 109. When the insulating resin 109 is cured, the semiconductor element 101 and the circuit board 105 are adhered by the curing shrinkage stress, and then they are strongly attracted and fixed. Therefore, the mechanical strength of the connection between the semiconductor element 101 and the circuit board 105 in the semiconductor device is increased, and stable fixing is maintained.
- a conventional method for manufacturing a semiconductor device having the above-described configuration will be described with reference to the process chart of FIG. 10 showing the manufacturing process.
- a semiconductor wafer on which a large number of semiconductor elements 101 on which desired elements, wiring, and an insulating film 103 are formed is formed by a normal semiconductor process.
- a probe is brought into contact with the aluminum electrode terminal 102 to perform an electrical inspection to determine the quality of the semiconductor element 101, and then the protruding electrode 104 is formed. Further, the semiconductor wafer is cut into individual semiconductor elements 101.
- a desired circuit pattern 106 and electrode terminals 107 are formed in advance on a circuit board 105 made of an insulating material using a conductive metal material such as Au or Cu.
- the semiconductor element 101 is arranged face-down on the substrate 105 so that the predetermined electrode terminal 107 and the protruding electrode 104 can be electrically connected via the conductive adhesive 108. .
- a heat treatment is performed to cure the conductive adhesive 108, and an electrical inspection is performed to confirm an operation state.
- a liquid epoxy resin 109 having insulating properties such as a liquid epoxy is filled between the semiconductor element 101 and the circuit board 106 by using a capillary phenomenon.
- heat treatment or the like is performed to cure the insulating resin 109, and flip chip mounting is performed.
- FIG. As shown in the figure, the flatness of the circuit board 105 varies mainly due to local warpage and undulation of the circuit board 105, and the film thickness precision of the electrode terminals 107 also varies. For this reason, the tip surface of the electrode terminal 107 on the circuit board side located in one semiconductor element region was not on a constant horizontal plane, and there was variation in the height direction.
- the present invention provides a semiconductor device having extremely stable quality and high productivity by more reliably and stably electrically connecting a semiconductor element and a circuit board.
- the purpose is to provide.
- a semiconductor device of the present invention includes a conductive electrode formed on an electrode terminal portion on an element forming surface of a semiconductor element, a conductive adhesive, and an electrode terminal on a circuit board.
- Each of the protruding electrodes is plastically deformed in the height direction such that the distance between each of the opposing electrode terminal surfaces becomes uniform.
- the height of the protruding electrodes is set so that the distance between the tip end surface of each protruding electrode and each of the electrode terminal surfaces facing each other via the conductive adhesive is uniform. Because it is processed properly, Electrical connection with the circuit board can be ensured.
- the material of the bump electrode is at least one metal material selected from 11 and 01.
- the distance between the tip surface of each of the protruding electrodes and each of the electrode terminal surfaces facing each other via the conductive adhesive is 1! ]! ⁇ 10 m is preferable.
- the semiconductor element and the circuit board are connected via an electrode terminal on an element forming surface of the semiconductor element, a conductive adhesive, and a protruding electrode made of a conductive metal material formed on an electrode terminal portion on the circuit board. It is preferable to use a flip-chip mounting technology for making an electrical connection with the chip.
- a barrier layer made of a laminated film of a conductive metal material is formed on the electrode terminal on the element forming surface of the semiconductor element. Is preferred.
- the electrode terminals on the element forming surface of the semiconductor element can be prevented from being corroded.
- the protruding heights of the protruding electrodes are substantially the same.
- the protruding electrode is pressed against a plane portion of a hard material in advance before bonding with a conductive adhesive. It is preferable that the height of the tip end surface of the protruding electrode be uniform.
- the protruding electrodes are pressed against a flat portion of a hard material to make the height of the end face of each protruding electrode uniform
- the protruding electrodes are pressed against a flat portion of a hard material. Accordingly, the pressure in the preceding end surface of the protruding electrode 1. 5 xl 0 8 ⁇ 5 . 0 X 1 0 8 N / m 2 range and to Rukoto are preferred. Further, it is preferable that the flatness of the hard material is within 4 // m within a distance of 2 O mm.
- a conductive adhesive is transferred to the top of the projecting electrode, and the semiconductor element is connected to a circuit.
- the semiconductor device is mounted face-down on the substrate, pressure is applied from the back surface of the semiconductor device to reduce the distance between the tip surface of each protruding electrode of the semiconductor device and the electrode terminal surface of the circuit board facing the semiconductor device.
- the semiconductor device is characterized in that the protruding electrodes of the semiconductor element are plastically deformed so as to be uniform.
- the tip surface of each protruding electrode and each electrode terminal surface opposed to each other via the conductive adhesive are interposed. Since the height of the protruding electrodes can be appropriately processed so that the distance between them becomes uniform, extremely reliable semiconductor devices can be manufactured easily and at low cost.
- a conductive adhesive is transferred to the tops of the protruding electrodes of the semiconductor element, and the semiconductor element is mounted on the circuit board again in a face-down manner.
- a second method for manufacturing a semiconductor device includes the steps of: After the protruding electrodes are formed on the terminal portions, the protruding electrodes are pressed against the flat surface of the hard material to make the height of the tip surface of each protruding electrode uniform, and then the top of each protruding electrode is electrically conductive.
- the semiconductor element is mounted on a circuit board by using down after transferring the conductive adhesive.
- the pressure on the tip end surface of the bump electrode is set to 1.5 ⁇ 10 8 to 5 ⁇ 5 by pressing the bump electrode against a plane portion of a hard material.
- 0 X 1 it is good preferable in the range of TN Zm 2.
- the flatness of the hard material is within 4 within a distance of 2 Omm.
- FIG. 1 is a sectional view of a semiconductor device according to a first embodiment of the present invention.
- FIG. 2 is a process diagram illustrating a manufacturing process of the semiconductor device according to the first embodiment of the present invention.
- FIG. 3A is a cross-sectional view of a semiconductor device in a conductive adhesive transfer step in the manufacturing process of FIG. 2, and FIG. 3B is a cross-sectional view of the semiconductor device in a mounting step to a semiconductor element pressing step.
- FIG. 4 is a process diagram illustrating a manufacturing process of a semiconductor device according to a second embodiment of the present invention.
- FIG. 5A is a cross-sectional view of the semiconductor device from the mounting step to the semiconductor element pressing step in the manufacturing process of FIG. 4, and FIG. 5B is a cross-sectional view of the semiconductor device in the conductive adhesive transfer step.
- FIG. 6 is a sectional view of a semiconductor device according to Embodiment 3 of the present invention.
- FIG. 7 is a process diagram illustrating a manufacturing process of a semiconductor device according to a third embodiment of the present invention.
- FIG. 8A is a cross-sectional view of the semiconductor device showing a state before pressurizing the circuit board in the circuit board pressurizing step of FIG. 7, and FIG. 8B is a cross-sectional view of the semiconductor device showing a state after pressurizing the circuit board.
- FIG. 8B is a cross-sectional view of the semiconductor device showing a state after pressurizing the circuit board.
- FIG. 9 is a cross-sectional view of an example of a semiconductor device using a conventional flip chip mounting technology.
- FIG. 10 is a process diagram showing an example of a manufacturing process of a semiconductor device using a conventional flip-chip mounting technique.
- FIG. 11 is a cross-sectional view of an example of a conventional semiconductor device. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a cross-sectional view of the semiconductor device according to the first embodiment. As shown in FIG. 1, an aluminum electrode terminal 2 is formed on the element formation surface of the semiconductor element 1, and a portion other than the aluminum electrode terminal 2 is covered with an insulating film 3 made of an Si oxide film, a nitride film, or the like. ing.
- a projecting electrode 4 made of a conductive metal material such as Au or Cu is formed on the aluminum electrode terminal 2.
- a desired circuit pattern 6 and electrode terminals ⁇ are formed on a circuit board 5 made of an insulating material such as resin, ceramics, and glass.
- the electrode terminal 7 is connected to the circuit pattern 6 and makes an electrical connection with the semiconductor element 1 during flip-chip mounting.
- the conductive adhesive 8 is an adhesive containing a powder of a conductive metal material such as Ag, Cu, and Ni in a resin. You. A gap between the semiconductor element l and the circuit board 5 is filled with an insulating resin 9.
- the semiconductor element 1 and the circuit board 5 are adhered by the curing shrinkage force, and then the semiconductor element 1 and the circuit board 5 are strongly attracted and fixed. Therefore, the mechanical strength of the connection between the semiconductor element 1 and the circuit board 5 in the semiconductor device is increased, and stable fixing is maintained.
- the height of the protruding electrode 4 is processed according to the height of the electrode terminal 7 on the circuit board 5. That is, there are variations in the height position of the tip surface of the electrode terminal 7 mainly due to the variation in flatness accuracy on the main surface of the circuit board 5 and the variation in film thickness accuracy of the electrode terminal 7.
- the height of the protruding electrode 4 is reduced by plastic deformation.
- the variation in the height of the protruding electrode 4 before the plastic deformation is smaller than the variation in the position in the height direction of the tip end surface of the electrode terminal 7, and the height is almost constant.
- the amount of change in the height of the protruding electrode 4 due to plastic deformation varies depending on the position of the tip surface in the height direction. Specifically, the shorter the distance between the tip surface of the electrode terminal 7 and the semiconductor element 1 is, the larger the amount of change in the height of the protruding electrode 4 is.
- the distance between the tip surface of the protruding electrode 4 on the semiconductor element 1 side and the electrode terminal 7 surface on the circuit board 5 side becomes uniform.
- This distance is preferably in the range of l / zm to 10 / zm. More preferably, it is about 5 / m.
- the bonding layer made of the conductive adhesive 8 transferred to the tops of the protruding electrodes 4 can reliably reach and adhere to the electrode terminals 7 on the circuit board 5 side, resulting in poor electrical connection. Can be prevented.
- FIG. 2 is a process chart illustrating a manufacturing process of the semiconductor device according to the first embodiment. As shown in Fig. 2, first, as in the conventional process, An element is formed on the element formation surface of the semiconductor element 1.
- the semiconductor wafer is cut into individual semiconductor elements 1. Then, after transferring a necessary amount of the conductive adhesive 8 only to the top of the protruding electrode 4, the conductive adhesive 8 is placed in a predetermined position on the circuit board 5 on which the desired circuit pattern 6 and the electrode terminal 7 are formed in advance, and then Pressure is applied from the back surface of the semiconductor element 1 to promote plastic deformation of the protruding electrode 4, and a process is performed to make the height of the protruding electrode 4 appropriate. Finally, a heat treatment is performed to cure the conductive adhesive 8 and normal operation is confirmed by electrical inspection. Then, a liquid epoxy resin or the like insulating resin 9 is applied between the semiconductor element 1 and the circuit board 6. The semiconductor device is filled and cured to obtain a semiconductor device.
- FIG. 3 is a diagram illustrating a process from transfer of a conductive adhesive to a semiconductor element pressing step in the manufacturing process shown in FIG.
- the numbers shown in the figure are the same as those in FIG.
- FIG. 3A is a cross-sectional view of a semiconductor device in a conductive adhesive transfer step in the manufacturing process of FIG. 2
- FIG. 3B is a cross-sectional view of the semiconductor device in a mounting step to a semiconductor element pressing step.
- a necessary amount of the conductive adhesive 8 is transferred only near the top of the protruding electrode 4.
- a pressure P is applied from the back surface of the semiconductor element 1 and the protruding electrode is formed. Processing is performed until the height of the protruding electrode 4 becomes appropriate by promoting plastic deformation of 4, and the mounting by the face-down method is completed.
- 5 xl 0 o ⁇ 5 . 0 X 1 0 8 ⁇ / ⁇ is preferred arbitrariness in the range of delta.
- the distance between the tip surface of the protruding electrode 4 and the electrode terminal 7 surface is 1 ⁇ ! It can be uniform in the range of ⁇ 10 / m.
- a conductive metal material such as Au or Cu prepared in another place in advance is pressed against the two aluminum electrode terminals using a transfer bump method, and the pressure and The conductive metal material may be attached to the surface of the aluminum electrode terminal 2 by applying heat, ultrasonic vibration or the like to form the protruding electrode 4.
- a protruding electrode 4 may be formed by depositing a conductive metal material on the surface of the aluminum electrode terminal 2 using an electroless or electrolytic plating method.
- the step of pressing the protruding electrode and the step of mounting the semiconductor element can be performed simultaneously, as compared with the conventional process, thus simplifying the steps. It also has the effect of achieving
- FIG. 4 is a process chart showing a manufacturing process of the semiconductor device according to the second embodiment.
- the semiconductor element to which the conductive adhesive has been previously transferred is placed on the circuit board by face down, and then the plastic element of the protruding electrode and the mounting are pressed to apply pressure. I was going at the same time.
- the semiconductor elements arranged in advance in the form of a flat surface on the circuit board are pressed to plastically deform the protruding electrodes, the semiconductor elements are once removed from the circuit board. After transfer of the conductive adhesive, mount again by the feed-down method.
- FIG. 5 is a view for explaining from the mount (1) by the feed-down method to the transfer of the conductive adhesive in the manufacturing process shown in FIG.
- the numbers shown in the figure are the same as those in FIG. Fig. 5A shows the steps from the mounting step to the semiconductor element pressing step in the manufacturing process of Fig. 4.
- FIG. 5B is a cross-sectional view of the semiconductor device in a conductive adhesive transfer step.
- the semiconductor element 1 arranged in a predetermined position on the circuit board 5 in a use-down manner is applied with a pressure P from the rear surface, and an appropriate plastic deformation of the protruding electrode 4 is performed.
- the positional relationship between the semiconductor element and the circuit board may be shifted from a predetermined position. According to such a method of manufacturing a semiconductor device, since almost no pressure is applied when mounting, there is little possibility that the positional relationship between the semiconductor element and the circuit board deviates from a predetermined position. Therefore, it is suitable for manufacturing a semiconductor device having a mounting accuracy such as a fine pitch connection structure.
- FIG. 6 is a cross-sectional view illustrating a semiconductor device according to the third embodiment.
- 12 was formed on the aluminum electrode terminal surface.
- a barrier layer composed of a laminated film of r and Au is provided, and 14 is a protruding electrode formed on the electrode terminal surface on the circuit board side. Others are the same as FIG.
- the difference from the configuration of the semiconductor device according to the first embodiment shown in FIG. 1 is that if a conductive adhesive is directly contacted with the aluminum electrode terminal 2, the aluminum layer may be corroded, so that the barrier layer 12 is formed. And conductive gold such as Au, Cu, etc. The point is that the protruding electrode 14 made of a metal material is formed on the surface of the electrode terminal 7 on the circuit board 5 side.
- the height of the protruding electrode 14 is equal to the height of the electrode terminal 7 on the circuit board 5. It is processed according to the position in the vertical direction. That is, mainly due to variations in flatness accuracy on the main surface of the circuit board 5 and variations in film thickness accuracy of the electrode terminals 7, there is a variation in the height of the electrode terminals 7 in the height direction. However, in accordance with this variation, the height of the projecting electrode 14 is reduced by plastic deformation. In this case, the variation in the height of the protruding electrode 14 before plastic deformation is smaller than the variation in the position of the electrode terminal 7 in the height direction, and the height is almost constant.
- the amount of change in the height of the protruding electrode 14 due to plastic deformation varies depending on the position in the height direction. Specifically, the shorter the distance between the tip surface of the electrode terminal 7 and the semiconductor element 1, the greater the change in the height of the protruding electrode 14.
- the distance between the surface of the barrier layer 12 on the semiconductor element 1 side and the tip surface of the bump electrode 14 becomes uniform.
- This distance is preferably in the range of 1 m to 10 m as in the first embodiment. More preferably, it is about 5 m.
- the bonding layer made of the conductive adhesive 8 transferred to the top of the protruding electrode 14 can surely reach and adhere to the barrier layer 12 on the semiconductor element 1 side, and the electrical connection failure Does not occur.
- FIG. 7 is a process chart illustrating a manufacturing process of the semiconductor device according to the third embodiment. As shown in FIG. 7, after an element is formed on the element formation surface of the semiconductor element 1, a barrier layer 12 in which Cr and Au are laminated on the aluminum electrode terminal 2 by a plating method is formed. Thereafter, the semiconductor wafer is cut into individual semiconductor elements 1 after inspection.
- the projecting electrodes 14 of Au are formed on the electrode terminal surface 7 by using a ball bonding method.
- the protruding electrode 14 is pressed against a flat plate made of a hard material having a desired flatness accuracy to promote proper plastic deformation of the protruding electrode 14, and to form Make the height almost uniform.
- a necessary amount of the conductive adhesive 8 paste is transferred only to the top of the protruding electrode 14, and then the semiconductor element 1 is mounted at a predetermined position on the circuit board 5 by fussing down, followed by heat treatment.
- FIG. 8 is a view for explaining steps from pressurization of a circuit board to a step of transferring a conductive adhesive in the manufacturing process shown in FIG.
- the numbers shown in the figure are the same as those in FIG.
- FIG. 8A is a cross-sectional view of the semiconductor device showing a state before the circuit board is pressed in the circuit board pressing step of FIG. 7, and
- FIG. 8B is a semiconductor device showing a state after the circuit board is pressed.
- the protruding electrode 14 formed on the main surface of the circuit board 5 is pressed against a flat plate made of a hard material having a desired flatness accuracy and having a desired flatness. Promotes proper plastic deformation, and makes the height of the tip of the protruding electrode 14 uniform.
- the flatness of the hard material is 4 at a distance of 2 mm
- the pressure applied to the flat plate made of a hard material is preferably in the range of 1.5 ⁇ 10 8 to 5.0 ⁇ 10 8 NZm at the tip end surface of the bump electrode 4.
- the conductive adhesive 8 paste is transferred only to the top of the protruding electrode 14, and then the semiconductor element 1 is mounted.
- a conductive metal material such as Au or Cu prepared in another place in advance is pressed against the surface of the electrode terminal 7 by using a transfer bump method, and pressure, By applying heat, ultrasonic vibration, or the like, the conductive metal material may be adhered to the electrode terminals 7 to form the protruding electrodes 14.
- a protruding electrode 14 may be formed by depositing a conductive metal material on the surface of the electrode terminal 7 using an electroless or electrolytic plating method.
- the barrier layer 12 may be made of a material other than a Cr-Au film.
- the aluminum electrode terminal 2 is formed of a material other than aluminum, such as Au or Pt, which is hardly corroded, a barrier layer is not particularly required.
- the semiconductor element is made of a brittle material such as a compound semiconductor such as Ga-As.
- the distance between the tip surface of each protruding electrode and each electrode terminal surface facing each other via the conductive adhesive becomes uniform. Since the height of the protruding electrodes is appropriately processed, electrical connection between the semiconductor element and the circuit board can be ensured.
- the method of manufacturing a semiconductor device of the present invention by applying pressure from the back surface of the semiconductor element, the tip surface of each protruding electrode and each electrode terminal surface facing each other via the conductive adhesive are interposed.
- the height of the protruding electrodes can be appropriately processed so that the distance between them is uniform, so that an extremely reliable semiconductor device that ensures the electrical connection between the semiconductor element and the circuit board can be manufactured easily and inexpensively.
- the semiconductor device of the present invention is used as a semiconductor device in which the semiconductor element and the circuit board are electrically connected because the electrical connection between the semiconductor element and the circuit board is reliable and extremely high. it can.
- each protruding electrode is plastically deformed, electrical connection between the semiconductor element and the circuit board can be ensured. It can be used as a method for manufacturing the used semiconductor device.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69722661T DE69722661T2 (de) | 1996-03-06 | 1997-03-05 | Verfahren zur herstellung einer halbleitervorrichtung |
EP97905446A EP0951063B1 (en) | 1996-03-06 | 1997-03-05 | Process for producing a semiconductor device |
KR1019980707001A KR100300758B1 (ko) | 1996-03-06 | 1997-03-05 | 반도체장치와 그 제조방법 |
US09/117,695 US6452280B1 (en) | 1996-03-06 | 1997-03-05 | Flip chip semiconductor apparatus with projecting electrodes and method for producing same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8049065A JP2951882B2 (ja) | 1996-03-06 | 1996-03-06 | 半導体装置の製造方法及びこれを用いて製造した半導体装置 |
JP8/49065 | 1996-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997033313A1 true WO1997033313A1 (fr) | 1997-09-12 |
Family
ID=12820690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/000672 WO1997033313A1 (fr) | 1996-03-06 | 1997-03-05 | Dispositif a semi-conducteur et son procede de production |
Country Status (7)
Country | Link |
---|---|
US (1) | US6452280B1 (ja) |
EP (2) | EP0951063B1 (ja) |
JP (1) | JP2951882B2 (ja) |
KR (1) | KR100300758B1 (ja) |
CN (1) | CN1175480C (ja) |
DE (1) | DE69722661T2 (ja) |
WO (1) | WO1997033313A1 (ja) |
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US6909180B2 (en) * | 2000-05-12 | 2005-06-21 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device, mounting circuit board, method of producing the same, and method of producing mounting structure using the same |
US6940178B2 (en) * | 2001-02-27 | 2005-09-06 | Chippac, Inc. | Self-coplanarity bumping shape for flip chip |
TWI245395B (en) * | 2001-11-20 | 2005-12-11 | Advanced Semiconductor Eng | Multi-chip module package device |
CN100356559C (zh) * | 2003-09-24 | 2007-12-19 | 财团法人工业技术研究院 | 倒装芯片封装结构及其制造方法 |
TWI273664B (en) * | 2004-03-26 | 2007-02-11 | Advanced Semiconductor Eng | Bumping process, bump structure, packaging process and package structure |
KR100696190B1 (ko) * | 2004-12-14 | 2007-03-20 | 한국전자통신연구원 | 플립 칩 본딩방법 |
JP4325571B2 (ja) * | 2005-02-28 | 2009-09-02 | 株式会社日立製作所 | 電子装置の製造方法 |
TWI253697B (en) * | 2005-04-08 | 2006-04-21 | Phoenix Prec Technology Corp | Method for fabricating a flip chip package |
JP4765804B2 (ja) * | 2006-07-14 | 2011-09-07 | 株式会社デンソー | 半導体装置の製造方法 |
JP2008135719A (ja) * | 2006-10-31 | 2008-06-12 | Sanyo Electric Co Ltd | 半導体モジュール、半導体モジュールの製造方法および携帯機器 |
JP2008218643A (ja) * | 2007-03-02 | 2008-09-18 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP5028291B2 (ja) * | 2008-01-31 | 2012-09-19 | 三洋電機株式会社 | 素子搭載用基板、素子搭載用基板の製造方法、半導体モジュールおよび半導体モジュールの製造方法 |
US8309864B2 (en) * | 2008-01-31 | 2012-11-13 | Sanyo Electric Co., Ltd. | Device mounting board and manufacturing method therefor, and semiconductor module |
JP5385004B2 (ja) * | 2009-05-22 | 2014-01-08 | 富士通テン株式会社 | 回路部品 |
JP6143104B2 (ja) * | 2012-12-05 | 2017-06-07 | 株式会社村田製作所 | バンプ付き電子部品及びバンプ付き電子部品の製造方法 |
KR102248876B1 (ko) * | 2014-12-24 | 2021-05-07 | 엘지디스플레이 주식회사 | 표시장치 어레이 기판 및 표시장치 |
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Also Published As
Publication number | Publication date |
---|---|
DE69722661T2 (de) | 2004-05-13 |
KR19990087563A (ko) | 1999-12-27 |
KR100300758B1 (ko) | 2001-11-02 |
CN1175480C (zh) | 2004-11-10 |
EP1191578A2 (en) | 2002-03-27 |
EP1191578A3 (en) | 2002-05-08 |
US6452280B1 (en) | 2002-09-17 |
JP2951882B2 (ja) | 1999-09-20 |
EP0951063A4 (ja) | 1999-10-20 |
EP0951063B1 (en) | 2003-06-04 |
CN1212786A (zh) | 1999-03-31 |
JPH09246320A (ja) | 1997-09-19 |
DE69722661D1 (de) | 2003-07-10 |
EP0951063A1 (en) | 1999-10-20 |
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