KR100614722B1 - 반도체 칩용 리드프레임과 전자 디바이스 및 리드프레임과 전자 디바이스 제조방법 - Google Patents
반도체 칩용 리드프레임과 전자 디바이스 및 리드프레임과 전자 디바이스 제조방법 Download PDFInfo
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- KR100614722B1 KR100614722B1 KR1020027017780A KR20027017780A KR100614722B1 KR 100614722 B1 KR100614722 B1 KR 100614722B1 KR 1020027017780 A KR1020027017780 A KR 1020027017780A KR 20027017780 A KR20027017780 A KR 20027017780A KR 100614722 B1 KR100614722 B1 KR 100614722B1
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Abstract
Description
Claims (48)
- 반도체 칩(1)을 플라스틱 화합물(4)로 이루어진 하우징(3) 내에 충진하여 전자 디바이스(2)를 형성하는, 반도체 칩(1)용 리드프레임(leadframe)에 있어서,상기 리드프레임은 외부 컨택 소자(6)를 포함하고, 상기 외부 컨택 소자(6)는 리벳(rivet) 헤드 영역(8), 리벳 생크 영역(9) 및 리벳 풋(foot) 영역(10)을 포함하고 리벳 형상의 단면(7)을 가지며, 상기 리벳 풋 영역은 베이스 기판(11)에 고정되는리드프레임.
- 제 1 항에 있어서,상기 베이스 기판(11)은 도전성 표면(12)을 구비하는리드프레임.
- 제 1 항 또는 제 2 항에 있어서,상기 리드프레임(5)은 금속 호일(foil)로 이루어진 베이스 기판(11)을 포함하는리드프레임.
- 제 1 항 또는 제 2 항에 있어서,상기 리드프레임(5)은 금속으로 코팅된 플라스틱 막으로 이루어진 베이스 기판(11)을 포함하는리드프레임.
- 제 1 항 또는 제 2 항에 있어서,상기 리드프레임(5)은 탄소로 코팅된 플라스틱 막으로 이루어진 베이스 기판(11)을 포함하는리드프레임.
- 제 1 항 또는 제 2 항에 있어서,상기 프레임(5)은 상기 베이스 기판(11) 상에 복수의 컴포넌트 장착 영역(13)을 포함하는리드프레임.
- 제 6 항에 있어서,상기 장착 영역(13)은 각각의 경우에 중앙 칩 캐리어 영역(14)을 구비하고, 상기 중앙 칩 캐리어 영역(14)은 상기 중앙 칩 캐리어 영역(14)으로부터 규정된 거리(15)에 있는 외부 컨택 소자(6)에 의해 둘러싸이는리드프레임.
- 제 6 항에 있어서,상기 장착 영역(13)은 플립-칩(flip-chip) 기술을 사용하여 상기 반도체 칩(1)이 상기 외부 컨택 소자(6)의 상기 리벳 헤드 영역(8) 상의 본딩 범프(bump)에 의해 본딩되는 방식으로 칩 캐리어 영역(14) 내에 적어도 부분적으로 배치되는 외부 컨택 소자(6)를 구비하는 칩 캐리어 영역(14)을 포함하는리드프레임.
- 제 7 항에 있어서,상기 리드프레임(5)은 상기 칩 캐리어 영역(14) 내에 금속 베이스(17)를 포함하며, 상기 금속 베이스(17)는 높이(h)가 상기 외부 컨택 소자(6)에 대응하고 그 면적이 상기 반도체 칩(1)의 크기에 적합하게 되는리드프레임.
- 제 7 항에 있어서,상기 외부 컨택 소자(6)는 원형의 평면을 가지며 상기 리드프레임(5)의 상기 칩 캐리어 영역(14) 내에 완전히 배열되는리드프레임.
- 제 1 항 또는 제 2 항에 있어서,상기 외부 컨택 소자(6)는 순 은(silver) 또는 은 합금을 포함하는리드프레임.
- 제 1 항 또는 제 2 항에 있어서,상기 외부 컨택 소자(6)는 금/니켈/금 층의 시퀀스로 구성되는리드프레임.
- 제 1 항 또는 제 2 항에 있어서,상기 외부 컨택 소자(6)는 은/구리/은 층의 시퀀스로 구성되는리드프레임.
- 제 9 항에 있어서,상기 금속 베이스(17)는 상기 외부 컨택 소자(6)와 동일한 재료로 구성되는리드프레임.
- 삭제
- 제 1 항 또는 제 2 항의 특징을 갖는 리드프레임 제조 방법에 있어서,도전성 표면(12)을 갖는 베이스 기판(11)을 제공하는 단계와,상기 베이스 기판(11) 상에 외부 컨택 소자(6) 구성의 피복되지 않은 상기 도전성 표면 영역(19)을 갖는 패터닝된 전기 절연층(18)을 제공하는 단계와,리벳 형상의 단면(7)을 갖는 상기 외부 컨택 소자(6)를 형성하기 위해 도전성 재료(20)를 도포하는 단계와,상기 패터닝된 전기 절연층(18)을 제거하는 단계를 포함하는리드프레임 제조방법.
- 제 16 항에 있어서,먼저 구조화되지 않은(closed) 절연층(21)을 제공하고 포토레지스트 기술을 사용하여 연속적으로 패터닝하여 전기 절연층(18)을 형성하는리드프레임 제조방법.
- 제 16 항에 있어서,상기 패터닝된 전기 절연층(18)은 스크린인쇄(screenprinting)법을 사용하여 제공되는리드프레임 제조방법.
- 제 16 항에 있어서,처음에 구조화되지 않은 절연층(21)을 상기 베이스 기판(11) 상으로 패터닝하는 단계는 마스크를 통한 스퍼터링 기술에 의해 실행되는리드프레임 제조방법.
- 제 16 항에 있어서,기상 증착에 의해 상기 베이스 기판(11)에 처음에 구조화되지 않은 절연층(21)을 제공하는 단계를 더 포함하는리드프레임 제조방법.
- 제 16 항에 있어서,마스크를 통한 플라즈마 에칭 기법에 의해 처음에 구조화되지 않은 절연층(21)을 패터닝하는 단계를 더 포함하는리드프레임 제조방법.
- 제 16 항에 있어서,레이저 래스터 방사에 의해 처음에 구조화되지 않은 절연층(21)을 패터닝하는 단계를 더 포함하는리드프레임 제조방법.
- 제 16 항에 있어서,상기 도전성 재료(20)를 도포하는 단계는 피복되지 않은 도전성 표면상에 전착(electrodeposition)에 의해 수행되어 증착된 물질이 과성장하여 리벳 헤드가 형성될 때까지 수행되는리드프레임 제조방법.
- 제 16 항에 있어서,상기 도전성 재료(20)를 도포하는 단계는 금속의 기상 증착에 의해 수행되는리드프레임 제조방법.
- 제 16 항에 있어서,상기 도전성 재료(20)를 도포하는 단계는 무전해 전기도금에 의해 수행되는리드프레임 제조방법.
- 제 16 항에 있어서,상기 외부 컨택 소자(6)의 형성과 동시에 금속 베이스(17)를 상기 칩 캐리어 영역(14) 내에 형성되는리드프레임 제조방법.
- 외부 컨택 소자(6)에 접속된 컨택 영역(22)을 갖는 반도체 칩(1)을 포함하는 전자 디바이스에 있어서,상기 외부 컨택 소자(6)를 구비하는 반도체 칩(1)은 하우징(3)으로써 플라스틱 화합물(4)로 포팅(potting)되고 상기 외부 컨택 소자(6)의 적어도 하나는 리벳 헤드 영역(8), 리벳 생크 영역(9) 및 리벳 풋 영역(10)을 구비하는 리벳 형상의 단면(7)을 가지며, 상기 외부 컨택 소자(6)는 상기 플라스틱 화합물(4)내에 리벳 헤드 영역이 고정되는전자 디바이스.
- 제 27 항에 있어서,상기 외부 컨택 소자(6)의 상기 리벳 풋 영역(10)은 플라스틱 화합물(4)이 없고 표면이 외부적으로 액세스 가능한 외부 컨택 영역(23)을 구비하는전자 디바이스.
- 삭제
- 삭제
- 삭제
- 제 27 항 또는 제 28 항에 있어서,상기 반도체 칩(1)의 상기 컨택 영역(22)은 상기 외부 컨택 소자(6)의 상기 리벳 헤드 영역(8)에 직접 본딩된 본딩 범프(16)를 구비하는전자 디바이스.
- 제 27 항 또는 제 28 항에 있어서,상기 반도체 칩(1)은 반도체 회로를 구비하는 액티브 면을 구비하며, 상기 액티브면은 외부 컨택 소자(6)와 대면하는전자 디바이스.
- 제 27 항 또는 제 28 항에 있어서,상기 반도체 칩(1)은 반도체 칩이 없는 패시브 면을 구비하며, 상기 패시브면은 외부 컨택 소자(6)와 대면하는전자 디바이스.
- 제 34 항에 있어서,상기 반도체 칩(1)의 상기 패시브 면은 플라스틱 화합물(4)이 없고 부분적으로 상기 하우징(3)의 하부를 이루는전자 디바이스.
- 제 34 항에 있어서,상기 컨택 영역(22)은 본딩 와이어(27)를 경유하여 상기 외부 컨택 소자(6)의 상기 헤드 영역(8)에 접속되는전자 디바이스.
- 제 27 항 또는 제 28 항의 특징을 갖는 전자 디바이스 제조 방법에 있어서,제 1 항 또는 제 2 항 중 어느 한 항의 특징을 갖는 리드프레임(5)을 제공하는 단계와,상기 리드프레임(5)에 다수의 반도체 칩(1)을 제공하는 단계와,외부 컨택 소자(6)에 상기 반도체 칩(1)의 컨택 영역(22)의 접속부(26)를 제조하는 단계와,제공된 반도체 칩(1)을 구비하는 리드프레임(5) 및 컨택 영역(22)과 외부 컨택 소자(6) 사이의 접속부를 포팅(potting)하는 플라스틱 화합물(4)로 이루어진 하우징(3)을 구비하는 전자 디바이스(2)를 형성하는 단계와,하우징으로써 플라스틱 화합물(4)을 구비하는 리드프레임(5) 상에 제조된 상기 전자 디바이스(2)를 개별화하는 단계를 포함하는 것을 특징으로 하는전자 디바이스 제조방법.
- 제 37 항에 있어서,포팅(potting) 단계 동안에, 리드프레임 전체에 걸쳐 균일한 두께의 플라스틱 화합물로 다수의 개별 전자 디바이스(2)에 대하여 상기 리드프레임(5)을 포팅하여 상기 베이스 기판(11)을 구비하는 플라스틱 플레이트를 형성하는전자 디바이스 제조방법.
- 제 37 항에 있어서,개별화 전에, 상기 베이스 기판(11)이 상기 플라스틱 플레이트에서 에칭되어 제거되는전자 디바이스 제조방법.
- 제 39 항에 있어서,상기 플라스틱 플레이트는 개별화 전에 부착막으로 코팅되는전자 디바이스 제조방법.
- 제 38 항에 있어서,상기 플라스틱 플레이트는 절단(sawing) 기술로 개별화되어 개별 전자 디바이스(2)를 형성하는전자 디바이스 제조방법.
- 제 37 항에 있어서,상기 컨택 영역(22)과 외부 컨택 영역(6) 사이에 접속부(26)를 제조하는 단계는 상기 외부 컨택 소자(6)의 상기 리벳 헤드 영역(8) 상에 본딩된 본딩 범프(16)를 사용하여 플립 칩 기술에 의해 수행되는전자 디바이스 제조방법.
- 제 37 항에 있어서,상기 반도체 칩(1)의 컨택 영역(22)과 상기 외부 컨택 소자(6) 사이에 접속부(26)를 제조하는 단계는 본딩 와이어(27)를 사용하여 본딩 와이어 기술에 의해 수행되고, 상기 반도체 칩(1)의 상기 컨택 영역(22)은 상기 외부 컨택 소자(6)의 상기 헤드 영역(8)에 접속되는전자 디바이스 제조방법.
- 제 37 항에 있어서,상기 반도체 칩(1)은 상기 리드프레임(5)에 제공하는 동안 금속 베이스(17) 상에 납땜되거나 접착적으로 본딩되는전자 디바이스 제조방법.
- 제 37 항에 있어서,상기 베이스 기판(11)은 탄소로 코팅된 막이며, 상기 전자 디바이스(2)를 개별화하는 동안, 상기 막이 상기 전자 디바이스에서 벗겨져 제거되는전자 디바이스 제조방법.
- 제 45 항에 있어서,상기 탄소층은 플라즈마 소각(incineration)에 의해 상기 막이 벗겨져 제거된 후에 상기 디바이스로부터 제거되는전자 디바이스 제조방법.
- 제 37 항에 있어서,상기 베이스 기판(11)은 금속으로 코팅된 플라스틱 막이며, 상기 전자 디바이스(2)를 개별화하는 동안, 상기 플라스틱 막이 벗겨져 제거되고 상기 금속 코팅은 습식 화학 에칭 또는 건식 에칭에 의해 제거되는전자 디바이스 제조방법.
- 제 37 항에 있어서,상기 베이스 기판(11)은 금속 호일이며 상기 전자 디바이스(2)를 개별화 하는 동안, 상기 금속 호일은 상기 외부 컨택 소자(6)의 재료와 상기 베이스 기판(11)의 상기 금속 재료 사이에 에칭이 정지할 때까지 습식 또는 건식 에칭에 의해 완전히 제거되는전자 디바이스 제조방법.
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DE10031204A DE10031204A1 (de) | 2000-06-27 | 2000-06-27 | Systemträger für Halbleiterchips und elektronische Bauteile sowie Herstellungsverfahren für einen Systemträger und für elektronische Bauteile |
PCT/DE2001/002097 WO2002001634A2 (de) | 2000-06-27 | 2001-06-07 | Systemträger für halbleiterchips und elektronische bauteile sowie herstellungsverfahren für einen systemträger und für elektronische bauteile |
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-
2000
- 2000-06-27 DE DE10031204A patent/DE10031204A1/de not_active Withdrawn
-
2001
- 2001-06-07 KR KR1020027017780A patent/KR100614722B1/ko not_active Expired - Fee Related
- 2001-06-07 WO PCT/DE2001/002097 patent/WO2002001634A2/de active Application Filing
- 2001-06-07 EP EP01949240A patent/EP1295336A2/de not_active Withdrawn
- 2001-06-07 JP JP2002505680A patent/JP2004502303A/ja active Pending
-
2002
- 2002-12-27 US US10/330,440 patent/US6969905B2/en not_active Expired - Fee Related
-
2005
- 2005-11-15 US US11/274,249 patent/US20060060981A1/en not_active Abandoned
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US20060060981A1 (en) | 2006-03-23 |
US20030102538A1 (en) | 2003-06-05 |
DE10031204A1 (de) | 2002-01-17 |
JP2004502303A (ja) | 2004-01-22 |
WO2002001634A3 (de) | 2002-06-20 |
US6969905B2 (en) | 2005-11-29 |
KR20030011932A (ko) | 2003-02-11 |
WO2002001634A2 (de) | 2002-01-03 |
EP1295336A2 (de) | 2003-03-26 |
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