KR101561920B1 - 반도체 패키지 - Google Patents
반도체 패키지 Download PDFInfo
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- KR101561920B1 KR101561920B1 KR1020140018795A KR20140018795A KR101561920B1 KR 101561920 B1 KR101561920 B1 KR 101561920B1 KR 1020140018795 A KR1020140018795 A KR 1020140018795A KR 20140018795 A KR20140018795 A KR 20140018795A KR 101561920 B1 KR101561920 B1 KR 101561920B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 112
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 18
- 238000005452 bending Methods 0.000 claims description 17
- 239000010410 layer Substances 0.000 description 30
- 229910000679 solder Inorganic materials 0.000 description 19
- 239000000463 material Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229920006336 epoxy molding compound Polymers 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
Description
도 2는 반도체 패키지의 클립 구조체의 체결 부분의 일례를 보여주는 단면도이다.
도 3은 본 발명의 일 실시예에 따른 반도체 패키지의 단면을 보여주는 도면이다.
도 4는 클립 구조체의 단부와 리드가 접합된 부위의 다른 일례를 보여주는 단면도이다.
도 5 내지 도 9는 본 발명에 따른 클립 구조체의 형상들을 보여주는 3차원(3D) 도면들이다.
320: 반도체 칩,
340: 클립 구조체,
350: 몰딩부.
Claims (23)
- 기판;
상기 기판 상에 실장된 반도체 칩;
상기 반도체 칩 상에 위치하는 클립(clip) 몸체부, 상기 클립 몸체부로부터 연장되고 일정 각도 구부러져 상기 기판 부분에 단부가 커플링(coupling)된 다운셋(downset) 부분을 포함하는 클립 구조체; 및
상기 반도체 칩 및 상기 클립 구조체를 접착시키는 접합층을 포함하며,
상기 다운셋 부분의 단부가 적어도 일부에 빗면을 가져 상기 기판 부분에 대해 일정 각도를 이루면서 접합되고,
상기 클립 몸체부는
상기 반도체 칩에 전기적으로 연결되는 소스 클립(source clip) 또는 게이트 클립(gate clip)인 반도체 패키지. - 제1항에 있어서,
상기 접합층은,
상기 다운셋 부분의 단부와 상기 기판 부분이 이루는 공간에 충진된 반도체 패키지. - 제1항에 있어서,
상기 클립 구조체의 다운셋 부분은
그 단부가 상기 기판 부분에 대해 비스듬한 두 개의 빗면을 가져, 두 빗면과 기판 부분 사이에 접합층이 충진될 공간을 확보하는 반도체 패키지. - 제3항에 있어서,
상기 다운셋 부분의 단부에 위치하는 빗면 중 적어도 하나에 오목한 홈부를 더 포함하는 반도체 패키지. - 제1항에 있어서,
상기 다운셋 부분은
상기 클립 몸체부에 대해 수직하게 또는 비스듬히 구부러진 형상을 갖는 반도체 패키지. - 제5항에 있어서,
상기 다운셋 부분이 상기 클립 몸체부에 대해 수직하게 구부러진 벤딩(bending)부를 가지고,
상기 벤딩부의 외측에 홈부를 가져 벤딩부의 유연성을 확보하는 반도체 패키지. - 제1항에 있어서,
상기 기판은
상기 반도체 칩이 상측에 실장된 리드프레임 패드(pad); 및
상기 리드프레임 패드와 일정 간격을 두고 배치되고 상기 다운셋 부분의 단부가 연결된 리드프레임 리드를 포함하는 반도체 패키지. - 제1항에 있어서,
상기 반도체 칩 및 상기 클립 구조체를 덮고 상기 기판의 일부를 노출하는 밀봉부를 더 포함하는 반도체 패키지. - 삭제
- 기판;
상기 기판 상에 실장된 반도체 칩;
상기 반도체 칩 상에 위치하는 클립(clip) 몸체부, 상기 클립 몸체부로부터 연장되고 일정 각도 구부러져 상기 기판 부분에 단부가 커플링(coupling)된 다운셋(downset) 부분을 포함하는 클립 구조체; 및
상기 반도체 칩 및 상기 클립 구조체를 접착시키는 접합층을 포함하며,
상기 다운셋 부분의 단부에 적어도 하나의 오목한 홈부를 가져 상기 접합층의 일부가 상기 단부의 홈부에 충진되고,
상기 클립 몸체부는
상기 반도체 칩에 전기적으로 연결되는 소스 클립(source clip) 또는 게이트 클립(gate clip)인 반도체 패키지. - 제10항에 있어서,
상기 다운셋 부분은
상기 클립 몸체부에 대해 수직하게 구부러진 형상을 갖는 반도체 패키지. - 제11항에 있어서,
상기 다운셋 부분의 구부러진 벤딩부의 외측에 홈부를 가져 벤딩부의 유연성을 확보하는 반도체 패키지. - 제11항에 있어서,
상기 기판은
상기 반도체 칩이 상측에 실장된 리드프레임 패드(pad); 및
상기 리드프레임 패드와 일정 간격을 두고 배치되고 상기 다운셋 부분의 단부가 연결된 리드프레임 리드를 포함하는 반도체 패키지. - 제11항에 있어서,
상기 반도체 칩 및 상기 클립 구조체를 덮고 상기 기판의 일부를 노출하는 밀봉부를 더 포함하는 반도체 패키지. - 삭제
- 삭제
- 삭제
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US20080044946A1 (en) * | 2005-11-18 | 2008-02-21 | Cruz Erwin Victor R | Semiconductor die package using leadframe and clip and method of manufacturing |
US20130256852A1 (en) * | 2012-03-27 | 2013-10-03 | Texas Instruments Incorporated | Stacked Semiconductor Package |
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US20080044946A1 (en) * | 2005-11-18 | 2008-02-21 | Cruz Erwin Victor R | Semiconductor die package using leadframe and clip and method of manufacturing |
US20130256852A1 (en) * | 2012-03-27 | 2013-10-03 | Texas Instruments Incorporated | Stacked Semiconductor Package |
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