JP2015220455A - 集積回路パッケージ用のコンタクトパッド - Google Patents
集積回路パッケージ用のコンタクトパッド Download PDFInfo
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- H01L24/02—Bonding areas ; Manufacturing methods related thereto
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- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
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- 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
- H01L2224/16238—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 bonding area protruding from the surface of the item
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- 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
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
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- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0364—Conductor shape
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- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
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Abstract
【解決手段】複数の集積回路(IC)パッケージ102と共に使用するための複数のコンタクトパッド150Aは、ICパッケージ102の基板106上に配置され、金属突出部分152及び金属陥凹部分154を含む。金属突出部分152及び金属陥凹部分154の各々は、半田接触表面を有する。金属陥凹部分154の半田接触表面164は、金属突出部分152の半田接触表面162から離間する。
【選択図】図14
Description
Claims (24)
- 集積回路(IC)パッケージの基板上のコンタクトパッドであって、
半田接触表面を有する金属突出部分と、
半田接触表面を有する金属陥凹部分と
を備え、
前記金属陥凹部分の前記半田接触表面は、前記金属突出部分の前記半田接触表面から離間され、より前記基板に接近して配置される、
コンタクトパッド。 - 前記金属陥凹部分の専有面積は略環状である、請求項1に記載のコンタクトパッド。
- 前記金属陥凹部分の専有面積は、略円形部分を含む、請求項1に記載のコンタクトパッド。
- 前記金属突出部分は、複数の柱を含む、請求項1から3のいずれか一項に記載のコンタクトパッド。
- 前記複数の柱は、実質的にリング状配列で配置される、請求項4に記載のコンタクトパッド。
- 少なくとも1つの柱は、略長方形の専有面積を有する、請求項4に記載のコンタクトパッド。
- 前記金属突出部分の専有面積は、略環状である、請求項1に記載のコンタクトパッド。
- 前記金属陥凹部分の前記半田接触表面と、前記金属突出部分の前記半田接触表面との間における高低差は、約15ミクロンから約30ミクロンの間である、請求項7に記載のコンタクトパッド。
- 前記コンタクトパッドは、外周囲および中心を含む略円形の専有面積を有し、前記金属突出部分は、前記中心に比べて前記外周囲により接近して配置される、請求項1に記載のコンタクトパッド。
- 第1表面、および、前記第1表面の反対に配置される第2表面を有する基板と、
前記基板の前記第1表面上に配置されるダイと、
前記基板の前記第2表面上に配置され、金属突出部分および金属陥凹部分を有し、前記金属陥凹部分の半田接触表面は、前記金属突出部分の半田接触表面から離間され、より前記基板に接近して配置される、コンタクトパッドと
を備える集積回路(IC)パッケージ。 - 前記コンタクトパッドは第1コンタクトパッドであり、
前記ICパッケージは更に、
前記基板の前記第2表面上に配置され、一様な半田接触表面を有する第2コンタクトパッド
を備える、請求項10に記載のICパッケージ。 - 前記ダイは、前記第2コンタクトパッドに比べて前記第1コンタクトパッドにより接近して配置される、請求項11に記載のICパッケージ。
- 前記ICパッケージは、前記コンタクトパッドと回路基板上のコンタクトパッドとの間の半田接合点によって、前記回路基板に結合される、請求項10に記載のICパッケージ。
- 前記金属陥凹部分は、前記半田接合点の半田が内部に配置されるチャネルを有する、請求項13に記載のICパッケージ。
- 少なくともいくつかの前記金属突出部分は、前記半田接合点の半田の中へと延伸する、請求項13に記載のICパッケージ。
- 前記コンタクトパッドの専有面積は外周囲を有し、前記外周囲は波動パターンを含む、請求項10から15のいずれか一項に記載のICパッケージ。
- 第1表面の反対に第2表面を有する基板の前記第1表面にダイを結合する段階と、
前記基板の前記第2表面上にコンタクトパッドを形成する段階と
を含み、
前記コンタクトパッドは、半田接触表面を有する金属突出部分と、半田接触表面を有する金属陥凹部分とを備え、
前記金属陥凹部分の前記半田接触表面は、前記金属突出部分の前記半田接触表面から離間される、
集積回路(IC)パッケージを製造する方法。 - 前記コンタクトパッドを形成する段階は、
前記金属陥凹部分に対応する第1リソグラフィ・パターンを前記基板の前記第2表面に適用する段階と、
前記第1リソグラフィ・パターンを適用する段階の後に、前記金属突出部分に対応する第2リソグラフィ・パターンを前記基板の前記第2表面に適用する段階と、
前記第2リソグラフィ・パターンを適用する段階の後に、前記基板の前記第2表面をめっきする段階と、
前記第2リソグラフィ・パターンに従って前記基板の前記第2表面をめっきする段階の後に、前記第2リソグラフィ・パターンを除去する段階と、
前記第2リソグラフィ・パターンを除去する段階の後に、前記基板の前記第2表面をめっきする段階と、
前記第1リソグラフィ・パターンに従って前記基板の前記第2表面をめっきする段階の後に、前記第1リソグラフィ・パターンを除去する段階と
を含む、請求項17に記載の方法。 - 前記コンタクトパッドを形成する段階は、
前記金属陥凹部分に対応する第1リソグラフィ・パターンを前記基板の前記第2表面に適用する段階と、
前記第1リソグラフィ・パターンを適用する段階の後に、前記基板の前記第2表面をめっきする段階と、
前記第1リソグラフィ・パターンに従って前記基板の前記第2表面をめっきする段階の後に、前記第1リソグラフィ・パターンを除去する段階と、
前記第1リソグラフィ・パターンを除去する段階の後に、前記金属突出部分に対応する第2リソグラフィ・パターンを前記基板の前記第2表面に適用する段階と、
前記第2リソグラフィ・パターンを適用する段階の後に、前記基板の前記第2表面をめっきする段階と、
前記第2リソグラフィ・パターンに従って前記基板の前記第2表面をめっきする段階の後に、前記第2リソグラフィ・パターンを除去する段階と
を含む、請求項17に記載の方法。 - 前記コンタクトパッドは第1コンタクトパッドであり、
前記方法は更に、
前記基板の前記第2表面上に第2コンタクトパッドを形成する段階を含み、
前記第2コンタクトパッドは、一様な半田接触表面を有する、
請求項17から19のいずれか一項に記載の方法。 - 前記ダイは、前記第2コンタクトパッドに比べて前記第1コンタクトパッドにより接近して配置される、請求項20に記載の方法。
- 集積回路(IC)パッケージを回路基板に結合する方法であって、
前記ICパッケージを前記回路基板に近接して配置する段階と、
前記ICパッケージのコンタクトパッドと前記回路基板のコンタクトパッドとの間に半田接合点を形成する段階と
を含み、
前記コンタクトパッドは、半田接触表面を有する金属突出部分と、半田接触表面を有する金属陥凹部分とを備え、
前記金属陥凹部分の前記半田接触表面は、前記金属突出部分の前記半田接触表面から離間される、
方法。 - 前記コンタクトパッドは第1コンタクトパッドであり、
前記方法は更に、
前記ICパッケージの第2コンタクトパッドと、前記回路基板上の第2コンタクトパッドとの間に半田接合点を形成する段階
を含み、
前記ICパッケージの前記第2コンタクトパッドは、一様な半田接触表面を有する、
請求項22に記載の方法。 - 前記ICパッケージは、ダイを備え、
前記ダイは、前記第2コンタクトパッドに比べて前記第1コンタクトパッドにより接近して配置される、
請求項23に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/280,110 US9368461B2 (en) | 2014-05-16 | 2014-05-16 | Contact pads for integrated circuit packages |
US14/280,110 | 2014-05-16 |
Publications (2)
Publication Number | Publication Date |
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JP2015220455A true JP2015220455A (ja) | 2015-12-07 |
JP6221122B2 JP6221122B2 (ja) | 2017-11-01 |
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Application Number | Title | Priority Date | Filing Date |
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JP2015075560A Active JP6221122B2 (ja) | 2014-05-16 | 2015-04-02 | コンタクトパッド、集積回路(ic)パッケージ、その製造方法、集積回路(ic)パッケージを回路基板に結合する方法 |
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---|---|
US (1) | US9368461B2 (ja) |
JP (1) | JP6221122B2 (ja) |
KR (1) | KR101930987B1 (ja) |
DE (1) | DE102015105795B4 (ja) |
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KR20170139994A (ko) * | 2016-06-10 | 2017-12-20 | 엘지이노텍 주식회사 | 인쇄회로기판 및 그 제조 방법 |
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JP6221122B2 (ja) | 2017-11-01 |
DE102015105795B4 (de) | 2023-06-22 |
KR101930987B1 (ko) | 2018-12-19 |
US9368461B2 (en) | 2016-06-14 |
DE102015105795A1 (de) | 2015-11-19 |
KR20150131953A (ko) | 2015-11-25 |
US20150333022A1 (en) | 2015-11-19 |
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