KR20080091163A - 컴플라이언트 단자 탑재부를 갖는 미소전자 소자 및 그제조 방법 - Google Patents
컴플라이언트 단자 탑재부를 갖는 미소전자 소자 및 그제조 방법 Download PDFInfo
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- KR20080091163A KR20080091163A KR1020087018403A KR20087018403A KR20080091163A KR 20080091163 A KR20080091163 A KR 20080091163A KR 1020087018403 A KR1020087018403 A KR 1020087018403A KR 20087018403 A KR20087018403 A KR 20087018403A KR 20080091163 A KR20080091163 A KR 20080091163A
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Abstract
Description
Claims (30)
- 칩 조립체를 조립하는 방법에 있어서,(a) 유전체 구조부의 제1 표면이 몰드의 작업 표면에 의해 성형되도록 상기 유전체 구조부를 형성하는 단계;(b) 상기 유전체 구조부의 상기 제1 표면이 웨이퍼 요소의 반대쪽을 향하고, 상기 유전체 구조부의 제2 표면이 상기 웨이퍼 요소를 향하도록, 하나 이상의 칩 영역을 포함하는 상기 웨이퍼 요소의 표면 상으로 상기 유전체 구조부를 이송(transfer)하는 단계;(c) 상기 유전체 구조부의 상기 제1 표면 상에 단자를 제공하는 단계; 및(d) 상기 단자를 상기 웨이퍼 요소의 접점에 전기 접속시키는 단계를 포함하는 칩 조립체 제조 방법.
- 제1항에 있어서,상기 유전체 구조부를 형성하는 단계는, 상기 유전체 구조부에 상기 제2 표면의 반대쪽으로 돌출하는 서로 이격되어 있는 복수의 범프(bump)를 제공하는 단계를 포함하며,상기 단자를 제공하는 단계는 상기 단자의 적어도 일부를 상기 범프 상에 제공하는 단계를 포함하는,칩 조립체 제조 방법.
- 제2항에 있어서,상기 유전체 구조부는 상기 범프 사이에 갭을 포함하는, 칩 조립체 제조 방법.
- 제3항에 있어서,상기 범프의 적어도 일부는 상기 유전체 구조부의 다른 부분으로부터 떨어져 있는 고립된 범프이며,상기 방법은, 상기 형성하는 단계와 상기 이송하는 단계 사이에, 상기 고립된 범프를 상기 유전체 구조부의 다른 부분에 관련된 위치에 유지하는 단계를 더 포함하는,칩 조립체 제조 방법.
- 제4항에 있어서,상기 유전체 구조부는 상기 고립된 범프만으로 구성되는, 칩 조립체 제조 방법.
- 제3항에 있어서,상기 형성하는 단계는, 상기 제1 표면으로 떨어져 상기 유전체 구조부 내에 캐비티를 형성하도록 수행되며,상기 단자를 제공하는 단계는, 상기 단자의 적어도 일부를 상기 캐비티와 정렬 상태로 제공하도록 수행되는,칩 조립체 제조 방법.
- 제6항에 있어서,상기 캐비티의 적어도 일부와 연통하는 통기구를 상기 칩 조립체의 외측에 개방 상태로 제공하는 단계를 더 포함하는, 칩 조립체 제조 방법.
- 제1항에 있어서,상기 단자를 제공하는 단계는, 상기 형성하는 단계 동안, 금속층이 상기 유전체 구조부의 제1 표면과 상기 몰드 사이에 배치되도록 상기 몰드의 상기 작업 표면 상에 상기 금속층을 제공하는 단계와, 상기 이송하는 단계 동안 상기 금속층을 상기 유전체 구조부와 함께 이송하는 단계를 포함하는, 칩 조립체 제조 방법.
- 제1항에 있어서,상기 단자를 제공하는 단계는, 상기 이송하는 단계 후에 상기 유전체 구조부의 상기 제1 표면 상에 금속층을 증착하는 단계를 포함하는, 칩 조립체 제조 방법.
- 제9항에 있어서,상기 금속층을 증착하는 단계는, 상기 금속층의 일부분을, 상기 웨이퍼 요소 의 앞면 및 상기 앞면에 노출되어 있는 상기 웨이퍼 요소의 접점 상에 증착하는 단계와, 상기 금속층이 복수의 분리된 금속 요소를 포함하도록 패터닝하는 단계를 포함하며, 각각의 상기 복수의 분리된 금속 요소는 상기 유전체 구조부 상의 단자와, 상기 단자를 상기 웨이퍼 요소의 접점에 연결하는 트레이스를 포함하는, 칩 조립체 제조 방법.
- 제10항에 있어서,상기 금속층을 증착하는 단계는, 실질적으로 연속하는 층을 형성하는 단계를 포함하며, 상기 패터닝하는 단계는, 상기 분리된 금속 요소를 형성하기 위해 상기 연속하는 층을 분할하는 단계를 포함하는, 칩 조립체 제조 방법.
- 제10항에 있어서,상기 금속층을 증착하는 단계는, 서로 분리된 상기 금속 요소를 형성하기 위해 금속을 선택적으로 증착하는 단계를 포함하는, 칩 조립체 제조 방법.
- 제1항에 있어서,상기 이송하는 단계는, 상기 형성하는 단계 후에, 상기 유전체 구조부가 위에 위치되어 있는 상기 몰드를 상기 웨이퍼 요소의 상기 앞면 위에 위치시키는 단계와, 상기 유전체 구조부의 상기 제2 표면을 상기 웨이퍼 요소의 상기 앞면에 본딩하는 단계와, 상기 몰드를 제거하는 단계를 포함하는, 칩 조립체 제조 방법.
- 제13항에 있어서,상기 몰드와 상기 웨이퍼 요소는 실질적으로 동일한 열팽창률을 갖는, 칩 조립체 제조 방법.
- 제1항에 있어서,상기 형성하는 단계는, 경화되지 않은 환류 가능한 유전체 재료를 상기 작업 표면 상에 증착하는 단계와, 상기 유전체 재료를 경화시키는 단계를 포함하는, 칩 조립체 제조 방법.
- 제15항에 있어서,상기 작업 표면은 복수의 오목부 및 상기 오목부 사이의 랜드 영역(land region)을 포함하며,상기 형성하는 단계는, 상기 경화시키는 단계의 완료 전에 상기 랜드 영역으로부터 상기 유전체 재료를 제거하는 단계를 더 포함하는,칩 조립체 제조 방법.
- 제15항에 있어서,상기 경화시키는 단계는, 상기 유전체 재료의 일부분을 경화되지 않은 상태로 유지하도록, 상기 경화되지 않은 유전체 재료를 방사선 에너지에 선택적으로 노 출시키는 단계를 포함하며,상기 형성하는 단계는 상기 유전체 재료의 상기 경화되지 않은 일부분을 제거하는 단계를 포함하는,칩 조립체 제조 방법.
- 제1항에 있어서,상기 형성하는 단계는 상기 층을 관통하여 연장하는 통기구를 형성하는 단계를 포함하는, 칩 조립체 제조 방법.
- 제1항에 있어서,상기 웨이퍼 요소는 복수의 칩 영역을 포함하며,상기 방법은, 상기 이송하는 단계 후에 복수의 유닛을 형성하기 위해 상기 웨이퍼 및 상기 유전체 구조부를 절단하는 단계를 포함하며, 각각의 상기 복수의 유닛은, 하나 이상의 상기 칩 영역 및 상기 유전체 구조부의 일부분을 포함하는,칩 조립체 제조 방법.
- 미소전자 소자에 있어서,몸체부 및 상기 몸체부 상에 설치된 단자를 포함하며, 각각의 상기 단자는 전기 도전성 패드 및 상기 패드 상의 전기 도전성 포스트를 포함하며, 상기 전기 도전성 포스트는 상기 몸체부의 반대쪽으로 상방향으로 돌출하는, 미소전자 소자.
- 제20항에 있어서,상기 몸체부 상에 위치되며, 상기 패드가 개구부를 통해 노출되도록 상기 패드와 정렬된 상기 개구부를 갖는 층을 더 포함하며,상기 포스트는 상기 층 위에서 돌출되어 있는,미소전자 소자.
- 제21항에 있어서,상기 층은 솔더 마스크층인, 미소전자 소자.
- 제22항에 있어서,상기 몸체부는, 앞면을 갖는 칩과, 상기 칩의 상기 앞면 위에 위치하는 유전체 구조부를 포함하며, 상기 단자가 상기 유전체 구조부 상에 설치되는, 미소전자 소자.
- 제23항에 있어서,상기 유전체 구조부는 칩의 반대쪽으로 상방향으로 돌출하는 복수의 범프를 포함하며, 상기 단자의 포스트가 상기 범프로부터 돌출하도록 상기 단자의 상기 패드가 상기 범프 상에 배치되는, 미소전자 소자.
- 제24항에 있어서,상기 단자의 상기 패드로부터 연장하고 상기 칩을 향해 상기 범프를 따라 하방향으로 연장하는 전기 도전성 스트립과, 상기 스트립을 적어도 부분적으로 덮고, 상기 단자의 상기 패드와 정렬된 개구부를 갖는 솔더 마스크층을 더 포함하는, 미소전자 소자.
- 제25항에 있어서,각각의 상기 범프는 상기 칩으로부터 떨어져 위치한 상단부(top end)를 가지며, 상기 단자의 상기 패드는 상기 범프의 상기 상단부 위에 배치되며, 상기 솔더 마스크는 실질적으로 상기 범프의 상기 상단부까지 연장하는, 미소전자 소자.
- 미소전자 소자를 검사하는 방법으로서,상기 미소전자 소자는, 몸체부 및 상기 몸체부 상에 설치된 단자를 포함하며, 각각의 상기 단자는 전기 도전성 패드 및 상기 패드 상에서 상기 몸체부의 반대쪽으로 상방향으로 돌출하는 전기 도전성 포스트를 포함하며,상기 방법은, 상기 단자의 상기 포스트가 검사 장치의 접촉 패드에 맞닿게 되도록 상기 미소전자 소자를 상기 검사 장치와 결합하는 단계를 포함하는,미소전자 소자의 검사 방법.
- 제26항에 있어서,상기 결합하는 단계는, 상기 미소전자 소자와 상기 검사 장치를 서로를 향해 압박하는 단계를 포함하는, 미소전자 소자의 검사 방법.
- 제27항에 있어서,상기 검사 장치로부터 상기 미소전자 소자를 제거하는 단계와, 도전성의 본딩 재료의 매스가 상기 단자의 상기 패드와 기판의 접촉 패드 사이에 연장하도록, 상기 단자를 상기 기판의 상기 접촉 패드에 본딩하는 단계를 더 포함하는, 미소전자 소자의 검사 방법.
- 제29항에 있어서,상기 본딩하는 단계는, 상기 포스트가 상기 본딩 재료의 상기 매스 내에 위치되도록 수행되는, 미소전자 소자의 검사 방법.
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US11/318,846 US7534652B2 (en) | 2005-12-27 | 2005-12-27 | Microelectronic elements with compliant terminal mountings and methods for making the same |
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PCT/US2006/049202 WO2007076099A2 (en) | 2005-12-27 | 2006-12-26 | Microelectronic elements with compliant terminal mountings and methods for making the same |
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CN101346812B (zh) | 2012-05-09 |
KR101411482B1 (ko) | 2014-06-24 |
JP5695294B2 (ja) | 2015-04-01 |
CN101346812A (zh) | 2009-01-14 |
US20070145550A1 (en) | 2007-06-28 |
US7534652B2 (en) | 2009-05-19 |
WO2007076099A3 (en) | 2007-08-23 |
JP2009521818A (ja) | 2009-06-04 |
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