KR20070019809A - 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는인쇄회로기판 및 이를 포함하는 반도체 패키지 - Google Patents
솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는인쇄회로기판 및 이를 포함하는 반도체 패키지 Download PDFInfo
- Publication number
- KR20070019809A KR20070019809A KR1020050073732A KR20050073732A KR20070019809A KR 20070019809 A KR20070019809 A KR 20070019809A KR 1020050073732 A KR1020050073732 A KR 1020050073732A KR 20050073732 A KR20050073732 A KR 20050073732A KR 20070019809 A KR20070019809 A KR 20070019809A
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- Prior art keywords
- solder ball
- metal bonding
- circuit board
- printed circuit
- ball land
- Prior art date
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 246
- 239000004065 semiconductor Substances 0.000 title claims abstract description 102
- 238000004381 surface treatment Methods 0.000 title claims abstract description 91
- 239000000758 substrate Substances 0.000 title claims description 37
- 239000002184 metal Substances 0.000 claims abstract description 108
- 229910052751 metal Inorganic materials 0.000 claims abstract description 108
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 62
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010931 gold Substances 0.000 claims abstract description 33
- 229910052737 gold Inorganic materials 0.000 claims abstract description 31
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 54
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 25
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 20
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 11
- 238000011282 treatment Methods 0.000 claims description 9
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims 1
- 239000010949 copper Substances 0.000 description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 14
- 238000005452 bending Methods 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
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- 239000003960 organic solvent Substances 0.000 description 2
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- 239000003755 preservative agent Substances 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01077—Iridium [Ir]
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2924/181—Encapsulation
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- H05K2201/03—Conductive materials
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- 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
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Abstract
Description
Claims (34)
- 절연 재질의 기판;상기 기판 상부에 설치된 반도체 칩과의 연결을 위한 연결 터미널;상기 기판 하부의 가장자리에 설치되고 제1 표면처리가 수행된 제1 솔더볼 랜드; 및상기 기판 하부의 중앙부에 설치되고 제2 표면처리가 수행된 제2 솔더볼 랜드를 구비하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제1항에 있어서,상기 제1 표면처리는 OSP 처리인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제1항에 있어서,상기 제2 표면처리는 상기 솔더볼 랜드 표면에 니켈과 골드층이 순차적으로 형성된 처리인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제1항에 있어서,상기 연결 터미널은 상기 기판의 가장자리에서는 제1 표면처리가 되고, 상기 기판의 중앙부에서는 제2 표면처리가 수행된 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 절연 재질의 기판;상기 기판 상부에 설치된 반도체 칩과의 연결을 위한 연결 터미널;상기 기판 하부에 설치되고 각각의 가장자리에는 제1 표면처리가 되고 중앙부에는 제2 표면처리가 수행된 혼합 솔더볼 랜드를 구비하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제5항에 있어서,상기 제1 표면처리는 OSP 처리인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제5항에 있어서,상기 제2 표면처리는 상기 솔더볼 랜드 표면에 니켈과 골드층이 순차적으로 형성된 처리인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제5항에 있어서,상기 연결 터미널은 가장자리에는 제1 표면처리가 되고 중앙부에는 제2 표면 처리가 수행된 혼합 표면처리된 연결 터미널인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제5항에 있어서,상기 제2 표면처리는 상기 솔더볼 랜드 표면보다 돌출된 형태인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 제5항에 있어서,상기 제2 표면처리는 상기 솔더볼 랜드와 높이가 같도록 다마신(Damascene) 처리된 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는 인쇄회로기판.
- 절연기판으로 이루어진 제1면에 반도체 칩과 연결을 위한 연결 터미널(connecting terminals)이 있고, 제2면에 솔더볼 부착을 위한 제1 및 제2 솔더볼 랜드가 있는 인쇄회로기판;상기 인쇄회로기판의 제1면에 상기 연결 터미널을 통해 탑재된 반도체 칩;상기 인쇄회로기판의 제2면에 부착된 솔더볼;상기 인쇄회로기판의 제2면 가장자리에 있는 제1 솔더볼 랜드와 솔더볼의 접착계면에 형성된 제1 금속접합층; 및상기 인쇄회로기판의 제2면 중앙부에 있는 제2 솔더볼 랜드와 솔더볼의 접착 계면에 형성된 제2 금속접합층을 구비하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 제1 금속접합층이 형성되는 제1 솔더볼 랜드는 솔더볼 부착 전에 OSP 표면처리가 수행된 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 제1 금속접합층은 구리와 주석의 합금으로 이루어진 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 제2 금속접합층이 형성되는 제2 솔더볼 랜드는 솔더볼 부착 전에 니켈/골드(Ni/Au)층이 표면 처리된 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 제2 금속접합층은 니켈과 주석의 합금으로 이루어진 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 반도체 칩은 금선(gold wire)를 통해 상기 인쇄회로기판의 제1면에 있는 연결 터미널에 탑재되는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 반도체 칩은 솔더 범프를 통해 상기 인쇄회로기판의 제1면에 있는 연결 터미널에 탑재되는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 반도체 패키지는 상기 반도체 칩 및 상기 인쇄회로기판의 제1면을 덮는 봉지수지(sealing resin)를 더 구비하는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제17항에 있어서,상기 인쇄회로기판의 제1면에 있는 연결 터미널은, 상기 인쇄회로기판 제1면의 가장자리에서 상기 연결 터미널과 상기 솔더범프의 접착계면에 형성된 제1 금속접합층; 및상기 인쇄회로기판의 제1면 중앙부에서 상기 연결 터미널과 상기 솔더범프의 접착계면에 형성된 제2 금속층을 더 구비하는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제19항에 있어서,상기 제1 금속접합층은 구리와 주석의 합금으로 이루어진 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제19항에 있어서,상기 제2 금속접합층은 니켈과 주석의 합금으로 이루어진 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제17항에 있어서,상기 반도체 패키지는 상기 솔더 범프가 있는 반도체 칩과 상기 인쇄회로기판의 제1면사이의 공간을 채우는 언더필(underfill)을 더 구비하는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제11항에 있어서,상기 솔더볼은 무연 솔더볼(lead free solder ball)인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 절연기판으로 이루어진 제1면에 반도체 칩과 연결을 위한 연결 터미널이 있고, 제2면에 가장자리와 중앙부가 서로 다르게 표면처리된 혼합 솔더볼 랜드가 있는 인쇄회로기판;상기 인쇄회로기판의 제1면에 연결터미널을 통해 탑재된 반도체 칩;상기 인쇄회로기판의 제2면에 혼합 솔더볼 랜드를 통해 부착된 솔더볼; 및상기 인쇄회로기판 제2면의 솔더볼 랜드와 솔더볼 접착계면 가장자리에서는 제1 금속접합층이 형성되고, 중앙부에서는 제2 금속접합층이 형성된 혼합 금속접합층을 구비하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,상기 인쇄회로기판의 제2면에 있는 모든 혼합 솔더볼 랜드는, 중앙에 니켈과 골드층이 순차적으로 적층되되 상기 혼합 솔더볼 랜드 표면에서 돌출된 표면처리부를 갖는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,인쇄회로기판의 제2면에 있는 모든 혼합 솔더볼 랜드는, 중앙에 니켈과 골드층이 순차적으로 적층되되 상기 솔더볼 랜드 표면에서 음각(damascene)된 표면처리부를 갖는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,상기 반도체 칩은 금선을 통하여 상기 인쇄회로기판에 탑재되는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,상기 반도체 칩은 솔더범프를 통하여 상기 인쇄회로기판에 탑재되는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제28항에 있어서,상기 반도체 패키지는 상기 인쇄회로기판 제1면과 상기 솔더 범프를 갖는 반도체 칩 사이의 공간을 채우는 언더필을 더 구비하는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제28항에 있어서,상기 연결 터미널은 각각 가장자리에 제1 금속접합층이 형성되고 중앙부에 제2 금속접합층이 형성된 혼합 금속접합층을 더 구비하는 것을 특징으로 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,상기 반도체 패키지는 상기 반도체 칩 및 상기 인쇄회로기판의 제1면을 덮는 봉지수지(sealing resin)를 더 구비하는 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,상기 제1 금속접합층은 구리와 주석의 합금으로 이루어진 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,상기 제2 금속접합층은 니켈과 주석의 합금으로 이루어진 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
- 제24항에 있어서,상기 솔더볼은 무연 솔더볼(lead free solder ball)인 것을 특징으로 하는 솔더볼 랜드에 두 종류 이상의 금속접합층을 갖는 반도체 패키지.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020050073732A KR100723497B1 (ko) | 2005-08-11 | 2005-08-11 | 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는인쇄회로기판 및 이를 포함하는 반도체 패키지 |
US11/486,064 US7576438B2 (en) | 2005-08-11 | 2006-07-14 | Printed circuit board and method thereof and a solder ball land and method thereof |
US12/458,429 US8039972B2 (en) | 2005-08-11 | 2009-07-13 | Printed circuit board and method thereof and a solder ball land and method thereof |
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KR1020050073732A KR100723497B1 (ko) | 2005-08-11 | 2005-08-11 | 솔더볼 랜드에 두 종류 이상의 표면처리부를 갖는인쇄회로기판 및 이를 포함하는 반도체 패키지 |
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JP2010531550A (ja) * | 2007-06-28 | 2010-09-24 | アギア システムズ インコーポレーテッド | 鉛フリーはんだの銅溶解の抑制 |
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US8309856B2 (en) * | 2007-11-06 | 2012-11-13 | Ibiden Co., Ltd. | Circuit board and manufacturing method thereof |
CN103492112B (zh) * | 2012-04-16 | 2016-08-17 | 株式会社谷黑组 | 焊接装置、焊接方法以及所制造的基板及电子部件 |
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US9245770B2 (en) * | 2012-12-20 | 2016-01-26 | Stats Chippac, Ltd. | Semiconductor device and method of simultaneous molding and thermalcompression bonding |
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KR20220022602A (ko) | 2020-08-19 | 2022-02-28 | 삼성전자주식회사 | 반도체 패키지 |
CN112492752A (zh) * | 2020-11-02 | 2021-03-12 | 苏州浪潮智能科技有限公司 | 一种芯片管脚扩充装置 |
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US20090278249A1 (en) | 2009-11-12 |
US8039972B2 (en) | 2011-10-18 |
KR100723497B1 (ko) | 2007-06-04 |
US7576438B2 (en) | 2009-08-18 |
US20070040282A1 (en) | 2007-02-22 |
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