JP5692314B2 - バンプ電極、バンプ電極基板及びその製造方法 - Google Patents
バンプ電極、バンプ電極基板及びその製造方法 Download PDFInfo
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- JP5692314B2 JP5692314B2 JP2013182296A JP2013182296A JP5692314B2 JP 5692314 B2 JP5692314 B2 JP 5692314B2 JP 2013182296 A JP2013182296 A JP 2013182296A JP 2013182296 A JP2013182296 A JP 2013182296A JP 5692314 B2 JP5692314 B2 JP 5692314B2
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- solder
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- bump electrode
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B23K1/203—Fluxing, i.e. applying flux onto surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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- H01L2924/38—Effects and problems related to the device integration
- H01L2924/384—Bump effects
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10234—Metallic balls
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10734—Ball grid array [BGA]; Bump grid array
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/041—Solder preforms in the shape of solder balls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Wire Bonding (AREA)
Description
i.リフロー炉でCu核ボールを電極パッドにはんだ付け処理する際に、核層となる芯材(コア)のCuボールが電極パッドの中心から偏った位置(偏心)に接合されるという問題が発生している。Cuボールが偏心すると、はんだの極端に薄い部分ができ、二次実装において、金属間化合物(Inter Metallic Compound : 以下IMC という)の露出による未接合が発生する。また、Cuボールが電極パッドから外れ、基板に乗り上げることによって基板間のクリアランスを一定に保つことが困難になるという問題がある。
12 電極パッド
13 Cuボール(芯材)
14 はんだ
15 絶縁膜
16 フラックス
24 はんだめっき
30 バンプ電極
50 Cu核ボール
100 バンプ電極基板
Claims (4)
- 核層となる芯材にはんだめっきが被覆されたはんだ接合体を用いて電極パッド上に形成されたバンプ電極であって、
前記はんだ接合体が
前記電極パッド上に搭載された後、
加熱されて前記はんだめっきを溶融するリフロー処理工程において、
加熱率が0.01[℃/sec]以上〜0.3[℃/sec]未満の範囲に設定されてなる
ことを特徴とするバンプ電極。 - 所定の基板に設けられた電極パッドと
前記電極パッドに接合された、
請求項1に記載のバンプ電極とを備えることを特徴とするバンプ電極基板。 - 核層となる芯材にはんだめっきが被覆されたはんだ接合体を
所定の基板の電極パッド上に搭載する工程と、
前記基板を加熱して前記芯材に被覆されたはんだめっきを溶融する溶融工程とを有し、
前記はんだめっきの溶融工程における前記基板の加熱率が0.01[℃/sec]以上〜0.3[℃/sec]未満の範囲に設定されることを特徴とするバンプ電極基板の製造方法。 - 前記電極パッド上に搭載する際、フラックスが使用されることを特徴とする請求項3に記載のバンプ電極基板の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013182296A JP5692314B2 (ja) | 2013-09-03 | 2013-09-03 | バンプ電極、バンプ電極基板及びその製造方法 |
KR1020140116228A KR102007544B1 (ko) | 2013-09-03 | 2014-09-02 | 범프 전극, 범프 전극 기판 및 그 제조 방법 |
US14/475,249 US9662730B2 (en) | 2013-09-03 | 2014-09-02 | Bump electrode, board which has bump electrodes, and method for manufacturing the board |
TW103130199A TWI623988B (zh) | 2013-09-03 | 2014-09-02 | 凸點電極、凸點電極基板以及其製造方法 |
CN201410446263.5A CN104425389B (zh) | 2013-09-03 | 2014-09-03 | 凸块电极、凸块电极基板以及其制造方法 |
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JP2013182296A JP5692314B2 (ja) | 2013-09-03 | 2013-09-03 | バンプ電極、バンプ電極基板及びその製造方法 |
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JP5692314B2 true JP5692314B2 (ja) | 2015-04-01 |
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US (1) | US9662730B2 (ja) |
JP (1) | JP5692314B2 (ja) |
KR (1) | KR102007544B1 (ja) |
CN (1) | CN104425389B (ja) |
TW (1) | TWI623988B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3923686A1 (en) | 2020-06-10 | 2021-12-15 | Senju Metal Industry Co., Ltd. | Method for forming bump electrode substrate |
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JP6909953B2 (ja) * | 2015-12-25 | 2021-07-28 | パナソニックIpマネジメント株式会社 | ペースト状熱硬化性樹脂組成物、半導体部品、半導体実装品、半導体部品の製造方法、半導体実装品の製造方法 |
KR102420126B1 (ko) * | 2016-02-01 | 2022-07-12 | 삼성전자주식회사 | 반도체 소자 |
TWI590259B (zh) * | 2016-04-29 | 2017-07-01 | 南茂科技股份有限公司 | 焊球、其製造方法以及半導體元件 |
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JP6384581B1 (ja) * | 2017-10-05 | 2018-09-05 | 千住金属工業株式会社 | 核カラムの実装方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3923686A1 (en) | 2020-06-10 | 2021-12-15 | Senju Metal Industry Co., Ltd. | Method for forming bump electrode substrate |
KR20210153532A (ko) | 2020-06-10 | 2021-12-17 | 센주긴조쿠고교 가부시키가이샤 | 범프 전극 기판의 형성 방법 |
US11478869B2 (en) | 2020-06-10 | 2022-10-25 | Senju Metal Industry Co., Ltd. | Method for forming bump electrode substrate |
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US9662730B2 (en) | 2017-05-30 |
JP2015050380A (ja) | 2015-03-16 |
CN104425389A (zh) | 2015-03-18 |
US20150061129A1 (en) | 2015-03-05 |
TWI623988B (zh) | 2018-05-11 |
CN104425389B (zh) | 2017-05-03 |
KR20150027004A (ko) | 2015-03-11 |
KR102007544B1 (ko) | 2019-08-05 |
TW201530671A (zh) | 2015-08-01 |
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