JP2006518542A - エラストマ・コアと導電性金属シェルまたはメッシュを用いるランド・グリッド・アレイの製造 - Google Patents
エラストマ・コアと導電性金属シェルまたはメッシュを用いるランド・グリッド・アレイの製造 Download PDFInfo
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Abstract
【解決手段】 ボタン構造の上面から底面まで連続する導電性材料で覆われた純粋な未充填エラストマ・ボタン・コアを用いるLGAタイプを提供する。導電性インタポーザ接点を用いるランド・グリッド・アレイの製造および構造に関する技術が現在直面する不利な点および欠点を解決するために、エラストマ・ボタンを事前に金属化されたLGAキャリア・シートに成形するための方法および構造を提供する。非導電性エラストマ・ボタンは、表面金属化されて導電性電気接点に変換される。
Description
本出願では、2002年10月24日出願の米国仮特許出願第60/421480号の利益を主張する。
ランド・グリッド・アレイ・インタポーザはグリッド・パターンに穿孔した非導電性ポリマー・キャリア平面を有するように製造される。接点ボタンごとに1つの穴が存在する。各々の穴は金属化され、穴の上面周囲の同心の金属リングから下方にバイアホールを通して穴の底面周囲の同心の金属リングまで連続的な電気的経路が形成される。次に、これらの穴は噴射成形によって充填され、エラストマとのバーベル状(barbell)またはその他の形状のボタン接点を形成する。好ましくは、すべての接点ボタンは、例えば、シロキサンゴムなどのエラストマの成分の噴射成形によって同時に製造される。このボタンのアレイはいくつかの方法のいずれかで金属化される。好ましい実施形態を構成する最も直接的な方法は、ボタン上のいくつかの選択領域と同様に、LGAのボタン以外の領域がマスクによって保護される接点マスクを使用する。金属化は、例えば、真空スパッタリングによって実行され、次いでマスクが取り外される。金属は接点ボタンの所望の部分のみを覆う。LGAは裏返され、マスクが当てられ、第2の表面の金属化が実行され、マスクが再び取り外される。
14 マルチチップ・モジュール(MCM)
16 プリント配線基板(PWB)
22 インタポーザ接点ボタン
24 キャリア・シート
30 インタポーザ・キャリア・シート
32 スルーホール
34 キャリア・シート表面
36 金属材料
38 フォトレジスト
40 マスク
50 エラストマ・ボタン
52 マスク
54 被覆
56 パッド
60 フルメタル・キャップ
Claims (30)
- 電子構成部品間に電気的相互接続を形成するランド・グリッド・アレイ(LGA)用のインタポーザであって、
少なくとも1つのおおむね純粋な誘電性を有する弾性接点ボタンと、
前記少なくとも1つの接点ボタンの外部に配置されて前記電気的相互接続を提供する導電性材料とを含むインタポーザ。 - 前記少なくとも1つの接点ボタンを形成する前記誘電性を有する弾性材料がシロキサンを含む、請求項1に記載のLGAインタポーザ。
- 前記導電性材料が金属を含む、請求項1に記載のLGAインタポーザ。
- 前記金属がニッケル、チタニウム合金、銅または金およびその他の金属からなる材料のグループから選択される、請求項3に記載のLGAインタポーザ。
- 前記金属が前記少なくとも1つの弾性接点ボタンの外部表面を覆う導電性材料の連続したシェルを含む、請求項3に記載のLGAインタポーザ。
- 前記金属が前記少なくとも1つの弾性接点ボタンの外部表面に堆積した導電性材料の不連続なパターンを含む、請求項3に記載のLGAインタポーザ。
- 前記電子構成部品間にインタポーザ・キャリア・シートが配置され、前記キャリア・シートが少なくとも1つの金属化スルーホールを含み、前記インタポーザの接点ボタンが前記金属化スルーホール内に合体されて前記電子構成部品間に前記金属化スルーホールとの電気接点を提供する、請求項1に記載のLGAインタポーザ。
- 前記インタポーザ・キャリア・シートが、各々がそれぞれ前記インタポーザの接点ボタンの1つを備えた前記金属化スルーホールのアレイを含む、請求項7に記載のLGAインタポーザ。
- 前記接点ボタンが、物理マスクがLGA表面と接触した状態で外部表面上の金属の真空蒸着または真空スパッタリングによって前記外部表面に金属化されている、請求項5または6に記載のLGAインタポーザ。
- 前記接点ボタンがめっき液内の金属の無電解めっきによって金属化され、前記めっきが前記接点ボタンの外部表面にのみ実施される、請求項5または6に記載のLGAインタポーザ。
- 前記各スルーホールが事前金属化され、前記スルーホール内に合体されたそれぞれの接点ボタンの各々の金属化された外部表面部分に電気的に接触する、請求項8に記載のLGAインタポーザ。
- 前記各スルーホールの前記事前金属化が、各々のそれぞれ関連するスルーホールの金属化された壁表面に接続された各々の前記スルーホールを中心に同心円状に延びる前記キャリア・シートの対向する表面に金属リングを形成する、請求項11に記載のLGAインタポーザ。
- 前記パターンが接点ボタンを通して延びる中心穴から排除されてそれを通った光信号の伝送を容易にする光学窓を提供する、請求項6に記載のLGAインタポーザ。
- 前記キャリア・シートがプラスチック材料で構成される、請求項7に記載のLGAインタポーザ。
- 前記プラスチック材料がポリイミドを含む、請求項14に記載のLGAインタポーザ。
- 電子構成部品間に電気的相互接続構造を形成するランド・グリッド・アレイ(LGA)用のインタポーザを製造する方法であって、
少なくとも1つのおおむね純粋な誘電性を有する弾性接点ボタンを含むインタポーザを提供するステップと、
前記電気的相互接続を提供する前記少なくとも1つの接点ボタンの外部に導電性材料を形成するステップとを含む方法。 - 前記少なくとも1つの接点ボタンを形成する前記誘電性を有する弾性材料がシロキサンを含む、請求項16に記載のLGAインタポーザの製造方法。
- 前記導電性材料が金属を含む、請求項16に記載のLGAインタポーザの製造方法。
- 前記金属がニッケル、チタニウム合金、銅または金および類似の金属からなる材料のグループから選択される、請求項18に記載のLGAインタポーザ製造方法。
- 前記金属が前記少なくとも1つの弾性接点ボタンの外部表面を覆う導電性材料の連続したシェルを含む、請求項18に記載のLGAインタポーザの製造方法。
- 前記金属が前記弾性接点ボタンの外部表面に堆積した導電性材料の不連続なパターンを含む、請求項18に記載のLGAインタポーザの製造方法。
- 前記電子構成部品間にインタポーザ・キャリア・シートが配置され、前記キャリア・シートが少なくとも1つの金属化スルーホールを含み、前記インタポーザの接点ボタンが前記金属化スルーホール内に合体されて前記電子構成部品間に前記金属化スルーホールとの電気接点を提供する、請求項16に記載のLGAインタポーザの製造方法。
- 前記インタポーザ・キャリア・シートが、各々がそれぞれ前記インタポーザの接点ボタンの1つを備えた前記金属化スルーホールのアレイを含む、請求項22に記載のLGAインタポーザの製造方法。
- 前記接点ボタンが、物理マスクがLGA表面と接触した状態で外部表面上の金属の真空蒸着または真空スパッタリングによって前記外部表面に金属化されている、請求項20または21に記載のLGAインタポーザの製造方法。
- 前記接点ボタンがめっき液内の金属の無電解めっきによって金属化され、前記めっきが前記接点ボタンの外部表面にのみ実施される、請求項20または21に記載のLGAインタポーザの製造方法。
- 前記スルーホールの各々が事前金属化され、前記スルーホール内に合体されたそれぞれの接点ボタンの各々の金属化された外部表面部分に電気的に接触する、請求項23に記載のLGAインタポーザの製造方法。
- 前記スルーホールの前記事前金属化が、各々のそれぞれ関連するスルーホールの金属化された壁表面に接続された各々の前記スルーホールを中心に同心円状に延びる前記キャリア・シートの対向する表面に金属リングを形成する、請求項26に記載のLGAインタポーザの製造方法。
- 前記パターンが接点ボタンを通して延びる中心穴から排除されてそれを通った光信号の伝送を容易にする光学窓を提供する、請求項21に記載のLGAインタポーザの製造方法。
- 前記キャリア・シートがプラスチック材料で構成される、請求項22に記載のLGAインタポーザの製造方法。
- 前記プラスチック材料がポリイミドを含む、請求項29に記載のLGAインタポーザの製造方法。
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US42148002P | 2002-10-24 | 2002-10-24 | |
PCT/US2003/014830 WO2004039135A1 (en) | 2002-10-24 | 2003-05-13 | Land grid array fabrication using elastomer core and conducting metal shell or mesh |
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JP2006518542A true JP2006518542A (ja) | 2006-08-10 |
JP4366316B2 JP4366316B2 (ja) | 2009-11-18 |
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US (2) | US7479014B2 (ja) |
EP (1) | EP1554915B1 (ja) |
JP (1) | JP4366316B2 (ja) |
KR (1) | KR100627957B1 (ja) |
CN (1) | CN100493291C (ja) |
AT (1) | ATE447248T1 (ja) |
AU (1) | AU2003229019A1 (ja) |
DE (1) | DE60329857D1 (ja) |
TW (1) | TWI223976B (ja) |
WO (1) | WO2004039135A1 (ja) |
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- 2003-05-13 CN CNB038245159A patent/CN100493291C/zh not_active Expired - Lifetime
- 2003-05-13 EP EP03726799A patent/EP1554915B1/en not_active Expired - Lifetime
- 2003-05-13 US US10/531,494 patent/US7479014B2/en not_active Expired - Fee Related
- 2003-05-13 WO PCT/US2003/014830 patent/WO2004039135A1/en active Application Filing
- 2003-05-13 JP JP2004546668A patent/JP4366316B2/ja not_active Expired - Fee Related
- 2003-05-13 AU AU2003229019A patent/AU2003229019A1/en not_active Abandoned
- 2003-05-13 KR KR1020057005341A patent/KR100627957B1/ko not_active IP Right Cessation
- 2003-05-13 AT AT03726799T patent/ATE447248T1/de not_active IP Right Cessation
- 2003-10-17 TW TW92128884A patent/TWI223976B/zh not_active IP Right Cessation
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TW200414840A (en) | 2004-08-01 |
US7736152B2 (en) | 2010-06-15 |
US20060003648A1 (en) | 2006-01-05 |
TWI223976B (en) | 2004-11-11 |
KR20050062568A (ko) | 2005-06-23 |
KR100627957B1 (ko) | 2006-09-25 |
DE60329857D1 (de) | 2009-12-10 |
JP4366316B2 (ja) | 2009-11-18 |
WO2004039135A1 (en) | 2004-05-06 |
EP1554915A4 (en) | 2008-08-20 |
ATE447248T1 (de) | 2009-11-15 |
US7479014B2 (en) | 2009-01-20 |
AU2003229019A1 (en) | 2004-05-13 |
CN100493291C (zh) | 2009-05-27 |
CN1692682A (zh) | 2005-11-02 |
EP1554915B1 (en) | 2009-10-28 |
US20090042414A1 (en) | 2009-02-12 |
EP1554915A1 (en) | 2005-07-20 |
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