KR101030032B1 - 반도체 패키지 및 그 제조방법 - Google Patents
반도체 패키지 및 그 제조방법 Download PDFInfo
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- KR101030032B1 KR101030032B1 KR1020060096780A KR20060096780A KR101030032B1 KR 101030032 B1 KR101030032 B1 KR 101030032B1 KR 1020060096780 A KR1020060096780 A KR 1020060096780A KR 20060096780 A KR20060096780 A KR 20060096780A KR 101030032 B1 KR101030032 B1 KR 101030032B1
- Authority
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- South Korea
- Prior art keywords
- plating layer
- layer
- semiconductor package
- alloy
- die attach
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000007747 plating Methods 0.000 claims abstract description 133
- 229910000531 Co alloy Inorganic materials 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000003746 surface roughness Effects 0.000 claims description 24
- 238000005530 etching Methods 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 238000000206 photolithography Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000000059 patterning Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 239000003566 sealing material Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000000565 sealant Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 abstract 6
- 239000011247 coating layer Substances 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 25
- 239000010931 gold Substances 0.000 description 24
- 229910000679 solder Inorganic materials 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000004033 plastic Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000012778 molding material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910018100 Ni-Sn Inorganic materials 0.000 description 1
- 229910018532 Ni—Sn Inorganic materials 0.000 description 1
- 101150003085 Pdcl gene Proteins 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical class [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000003792 electrolyte Substances 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
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- H—ELECTRICITY
- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- 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
-
- H—ELECTRICITY
- 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
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3011—Impedance
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims (10)
- 반도체 칩을 실장하기 위한 하나 이상의 다이 부착 패드;상기 다이 부착 패드 주위에 구비되며, 캐패시터, 인덕터 및 컨택트 패드로 이루어진 군에서 선택된 다수의 단자;상기 다수의 단자와 상기 반도체 칩을 전기적으로 통전시키기 위한 다수의 본딩 와이어; 및상기 반도체 칩과 단자 및 와이어 본드를 밀봉하는 절연성 밀봉재를 포함하며;상기 다이 부착 패드 또는 단자는 0.003∼0.15㎛의 Au도금층, 0.01∼0.15㎛의 Pd+Co합금 도금층, 0.5∼2.5㎛의 Ni도금층으로 이루어진 바텀피니쉬층 및 톱피니쉬층을 포함하는 것을 특징으로 하는 반도체 패키지.
- 제 1항에 있어서,상기 다이 부착 패드 또는 단자는 0.003∼0.15㎛의 Au도금층, 0.01∼0.15㎛의 Pd+Co합금 도금층, 0.5∼2.5㎛의 Ni도금층, 45∼70㎛의 Cu기저층, 0.5∼2.5㎛의 Ni도금층, 0.01∼0.15㎛의 Pd+Co합금 도금층 및 0.003∼0.15㎛의 Au도금층이 순차적으로 적층되어 이루어진 것을 특징으로 하는 반도체 패키지.
- 제 1항에 있어서,상기 Pd+Co합금 도금층의 Pd의 함량은 50∼99.9중량%인 것을 특징으로 하는 반도체 패키지.
- 제 2항에 있어서,상기 Pd+Co합금 도금층은 95중량%의 Pd과 5중량%의 Co의 합금인 것을 특징으로 하는 반도체 패키지.
- 제 1항에 있어서,상기 다이 부착 패드 또는 단자의 표면조도(Ra)는 0.015∼0.3㎛인 것을 특징으로 하는 반도체 패키지.
- (a) 금속 캐리어의 상부에 드라이 필름 레지스트를 적층하는 단계;(b) 포토리소그래피를 이용하여 상기 드라이 필름 레지스트를 패턴화하여 도금마스크를 형성하는 단계;(c) 상기 도금마스크 이외의 부분에 0.003∼0.15㎛의 Au도금층, 0.01∼0.15㎛의 Pd+Co합금 도금층, 0.5∼2.5㎛의 Ni도금층이 순차적으로 적층된 바텀피니쉬층을 형성하는 단계; 및(d) 상기 바텀피니쉬층의 상부에 Cu 기저층을 도금하고, 마이크로 에칭에 의하여 조도를 형성하는 단계를 포함하는 반도체 패키지의 제조방법.
- 제 6항에 있어서,상기 Cu 기저층의 상부에 0.5∼2.5㎛의 Ni도금층, 0.01∼0.15㎛의 Pd+Co합금 도금층 및 0.003∼0.15㎛의 Au도금층이 순차적으로 적층된 톱피니쉬층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 패키지의 제조방법.
- 제 6항 또는 제 7항에 있어서,상기 Pd+Co합금 도금층의 Pd의 함량은 50∼99.9중량%인 것을 특징으로 하는 반도체 패키지의 제조방법.
- 제 8항에 있어서,상기 Pd+Co합금 도금층은 95중량%의 Pd과 5중량%의 Co의 합금인 것을 특징으로 하는 반도체 패키지의 제조방법.
- 제 7항에 있어서,상기 톱피니쉬층의 표면조도(Ra)는 0.015∼0.3㎛인 것을 특징으로 하는 반도체 패키지의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060096780A KR101030032B1 (ko) | 2006-09-30 | 2006-09-30 | 반도체 패키지 및 그 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020060096780A KR101030032B1 (ko) | 2006-09-30 | 2006-09-30 | 반도체 패키지 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20080030413A KR20080030413A (ko) | 2008-04-04 |
KR101030032B1 true KR101030032B1 (ko) | 2011-04-20 |
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KR1020060096780A Expired - Fee Related KR101030032B1 (ko) | 2006-09-30 | 2006-09-30 | 반도체 패키지 및 그 제조방법 |
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KR (1) | KR101030032B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101251802B1 (ko) * | 2011-07-27 | 2013-04-09 | 엘지이노텍 주식회사 | 메모리카드, 메모리 카드용 인쇄회로기판 및 이의 제조 방법 |
KR102014088B1 (ko) | 2012-03-20 | 2019-08-26 | 엘지이노텍 주식회사 | 메모리카드, 메모리 카드용 인쇄회로기판 및 이의 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000124268A (ja) | 1998-10-12 | 2000-04-28 | Hitachi Cable Ltd | 半導体装置用テープキャリア |
JP2000277570A (ja) | 1999-03-26 | 2000-10-06 | Hitachi Cable Ltd | 半導体装置用テープキャリア |
JP2001144132A (ja) | 1996-07-15 | 2001-05-25 | Matsushita Electronics Industry Corp | 半導体装置の製造方法 |
KR20060093840A (ko) * | 2005-02-22 | 2006-08-28 | 그래피온테크놀로지즈코리아(주) | 금속 칩 스케일 반도체 패키지의 제조방법과 그 방법에 의한 금속 칩 스케일 반도체 패키지 |
-
2006
- 2006-09-30 KR KR1020060096780A patent/KR101030032B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001144132A (ja) | 1996-07-15 | 2001-05-25 | Matsushita Electronics Industry Corp | 半導体装置の製造方法 |
JP2000124268A (ja) | 1998-10-12 | 2000-04-28 | Hitachi Cable Ltd | 半導体装置用テープキャリア |
JP2000277570A (ja) | 1999-03-26 | 2000-10-06 | Hitachi Cable Ltd | 半導体装置用テープキャリア |
KR20060093840A (ko) * | 2005-02-22 | 2006-08-28 | 그래피온테크놀로지즈코리아(주) | 금속 칩 스케일 반도체 패키지의 제조방법과 그 방법에 의한 금속 칩 스케일 반도체 패키지 |
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KR20080030413A (ko) | 2008-04-04 |
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