KR930002813B1 - 리이드프레임 및 그것을 사용한 반도체장치 - Google Patents
리이드프레임 및 그것을 사용한 반도체장치 Download PDFInfo
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- KR930002813B1 KR930002813B1 KR1019900006388A KR900006388A KR930002813B1 KR 930002813 B1 KR930002813 B1 KR 930002813B1 KR 1019900006388 A KR1019900006388 A KR 1019900006388A KR 900006388 A KR900006388 A KR 900006388A KR 930002813 B1 KR930002813 B1 KR 930002813B1
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- 229910000679 solder Inorganic materials 0.000 claims description 193
- 238000004381 surface treatment Methods 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 33
- 238000009736 wetting Methods 0.000 claims description 18
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
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- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49579—Lead-frames or other flat leads characterised by the materials of the lead frames or layers thereon
- H01L23/49582—Metallic layers on lead frames
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- H01L23/50—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor for integrated circuit devices, e.g. power bus, number of leads
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- 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
- H05K3/341—Surface mounted components
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- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10689—Leaded Integrated Circuit [IC] package, e.g. dual-in-line [DIL]
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10742—Details of leads
- H05K2201/1075—Shape details
- H05K2201/10757—Bent leads
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Abstract
Description
Claims (20)
- 봉하여지는 다수의 내부리이드(13), 다수의 외부리이드(2), 기판에 접속되어 상기 외부리이드의 땜납습윤성이 적어도 불충분한 경우에 땜납습윤성을 향상시키도록 표면처리가 실시되는 상기 외부리이드의 각각의 끝부와 상기 외부리이드의 끝부에 적어도 인접해서 땜납습윤성을 억제시키도록 표면처리가 실시되는 각부를 포함하는 리이드 프레임.
- 특허청구의 범위 제 1 항에 있어서, 상기 땜납은 납과 주석을 함유한 땜납인 리이드 프레임.
- 특허청구의 범위 제 1 항에 있어서, 칩패드(12)가 중심에 형성되고, 다수의 내부리이드가 상기 칩패드 주위에 대칭적으로 또는 방사형으로 배치되는 구조를 갖는 리이드 프레임.
- 특허청구의 범위 제 1 항에 있어서, 땜납습윤성을 향상시키기 위한 표면처리는 외부리이드 선단에서 구부러지는 점까지의 거리(ℓ)의 25% 내지 45%의 범위내에서 외부리이드의 끝부에 실행되는 리이드 프레임.
- 적어도 하나의 반도체칩(9), 리이드 프레임, 상기 리이드 프레임의 내부리이드를 상기 칩에 전기적으로 접속하는 와이어(10)과 상기 칩, 상기 내부리이드 및 상기 와이어를 봉하여 막는 봉지체(11)을 포함하며, 상기 리이드 프레임은 다수의 내부리이드와 다수의 외부리이드, 기판에 접속되어 땜납습윤성이 적어도 불충분한 경우에 땜납습윤성을 향상시키기 위하여 표면처리가 실시되는 상기 외부리이드의 각각의 끝부와 상기 각각의 끝부에 적어도 인접해서 땜납습윤성을 억제시키기 위해서 표면처리가 실시되는 각부를 포함하는 반도체장치.
- 특허청구의 범위 제 5 항에 있어서, 상기 땜납은 납 및 주석을 함유한 땜납인 반도체장치.
- 특허청구의 범위 제 5 항에 있어서, 상기 봉지체는 수지인 반도체장치.
- 특허청구의 범위 제 5 항에 있어서, 상기 리이드 프레임은 칩패드(12)가 중심에 형성되고, 다수의 내부리이드가 상기 칩패드 주위에 대칭적으로 또는 방사형으로 배치되는 구조를 갖는 반도체장치.
- 특허청구의 범위 제 5 항에 있어서, 땜납습윤성을 향상시키기 위한 표면처리는 외부리이드 선단에서 구부러지는 점까지의 거리의 25% 내지 45%의 범위내에서 외부리이드의 끝부에 실행되는 반도체장치.
- 적어도 하나의 반도체칩, 리이드 프레임, 상기 칩에 상기 리이드 프레임의 내부리이드를 전기적으로 접속하는 와이어와 상기 칩, 상기 내부리이드 및 상기 와이어를 봉하여 막는 봉지체를 포함하며, 상기 리이드 프레임은 다수의 내부리이드와 다수의 외부리이드, 외부리이드의 선단에서 구부러지는 점까지의 거리의 25% 내지 45%의 범위내에서 외부리이드의 끝부에 납과 주식을 함유한 땜납에 의해 습윤되는 표면처리가 실시되는 각각의 외부리이드의 끝부와 상기 각각의 끝부에 적어도 인접해서 납과 주석을 함유한 땜납에 대해서 습윤성을 억제시키기 위하여 표면처리가 실시되는 각부를 포함하는 반도체장치.
- 특허청구의 범위 제10항에 있어서, 상기 장치는 스몰아웃라인 I 리이드 패키지인 반도체장치.
- 특허청구의 범위 제10항에 있어서, 상기 장치는 쿼드플래트 I 리이드 패키지인 반도체장치.
- 적어도 하나의 반도체칩, 리이드 프레임, 상기 칩에 상기 리이드 프레임의 내부리이드를 전기적으로 접속하는 와이어와 상기 칩, 상기 내부리이드 및 상기 와이어를 봉하여 막는 봉지체를 포함하며, 상기 리이드 프레임은 다수의 내부리이드와 각각의 외부리이드가 적어도 4회 구부러지는 다수의 외부리이드와 기판에 면접합되는 각각의 외부리이드의 수평선단을 포함하고, 상기 선단으로 부터 제 3 의 벤딩부(2c 내지 2d)의 위치는 상기 수평선단부 보다 높게 위치되는 반도체장치.
- 특허청구의 범위 제13항에 있어서, 상기 장치는 스몰아웃라인 패키지인 반도체장치.
- 특허청구의 범위 제13항에 있어서, 상기 장치는 쿼드플래트 패키지인 반도체장치.
- 봉하여지는 다수의 내부리이드와 각각의 외부리이드가 적어도 4회 구부러지는 다수의 외부리이드와 기판에 면접합되는 상기 각각의 외부리이드의 수평선단부를 포함하는 리이드 프레임.
- 특허청구의 범위 제16항에 있어서, 칩패드(12)가 중심에 형성되고, 다수의 내부리이드가 상기 칩패드 주위에 대칭적으로 또는 방사형으로 배치되는 구조를 갖는 리이드 프레임.
- 특허청구의 범위 제13항에 있어서, 납땜되어야할 부분에서 인접하는 외부리이드의 적어도 일부분에는 땜납습윤성을 억제시키기 위해 표면처리가 실시되는 반도체장치.
- 특허청구의 범위 제 1 항에 있어서, 땜납습윤성을 향상시키기 위한 표면처리는 땜납도금, 땜납침지 또는 니켈도금인 리이드 프레임.
- 특허청구의 범위 제 1 항에 있어서, 땜납습윤성을 억제하기 위한 표면처리은 수지코팅, 알루미늄도금, 알루미늄 스퍼터링 또는 산화인 리이드 프레임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1-114953 | 1989-05-10 | ||
JP11495389 | 1989-05-10 | ||
JP114953/89 | 1989-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900019211A KR900019211A (ko) | 1990-12-24 |
KR930002813B1 true KR930002813B1 (ko) | 1993-04-10 |
Family
ID=14650736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900006388A Expired - Fee Related KR930002813B1 (ko) | 1989-05-10 | 1990-05-07 | 리이드프레임 및 그것을 사용한 반도체장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5041901A (ko) |
JP (1) | JPH0779145B2 (ko) |
KR (1) | KR930002813B1 (ko) |
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JPS6247146U (ko) * | 1985-09-10 | 1987-03-23 | ||
JPS6370133U (ko) * | 1986-10-24 | 1988-05-11 | ||
JPH0625017Y2 (ja) * | 1987-07-14 | 1994-06-29 | 日本電気株式会社 | Lsiパッケ−ジのリ−ド構造 |
-
1990
- 1990-05-02 US US07/518,410 patent/US5041901A/en not_active Expired - Fee Related
- 1990-05-07 KR KR1019900006388A patent/KR930002813B1/ko not_active Expired - Fee Related
- 1990-05-09 JP JP2117595A patent/JPH0779145B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR900019211A (ko) | 1990-12-24 |
US5041901A (en) | 1991-08-20 |
JPH0779145B2 (ja) | 1995-08-23 |
JPH0372662A (ja) | 1991-03-27 |
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