KR100825780B1 - 레이저 솔더링을 이용한 리드프레임형 적층패키지의 제조방법 - Google Patents
레이저 솔더링을 이용한 리드프레임형 적층패키지의 제조방법 Download PDFInfo
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- KR100825780B1 KR100825780B1 KR1020060096401A KR20060096401A KR100825780B1 KR 100825780 B1 KR100825780 B1 KR 100825780B1 KR 1020060096401 A KR1020060096401 A KR 1020060096401A KR 20060096401 A KR20060096401 A KR 20060096401A KR 100825780 B1 KR100825780 B1 KR 100825780B1
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- Prior art keywords
- package
- leadframe
- lead
- leads
- lead frame
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- 238000005476 soldering Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 229910000679 solder Inorganic materials 0.000 claims abstract description 44
- 238000007747 plating Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 17
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 abstract description 38
- 238000007598 dipping method Methods 0.000 abstract description 12
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000010949 copper Substances 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction 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
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
-
- 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
- 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
-
- 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
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/10—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices having separate containers
- H01L25/105—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices having separate containers the devices being integrated devices of class H10
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2225/00—Details relating to assemblies covered by the group H01L25/00 but not provided for in its subgroups
- H01L2225/03—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes
- H01L2225/10—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers
- H01L2225/1005—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers the devices being integrated devices of class H10
- H01L2225/1011—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers the devices being integrated devices of class H10 the containers being in a stacked arrangement
- H01L2225/1017—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers the devices being integrated devices of class H10 the containers being in a stacked arrangement the lowermost container comprising a device support
- H01L2225/1029—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers the devices being integrated devices of class H10 the containers being in a stacked arrangement the lowermost container comprising a device support the support being a lead frame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2225/00—Details relating to assemblies covered by the group H01L25/00 but not provided for in its subgroups
- H01L2225/03—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes
- H01L2225/10—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers
- H01L2225/1005—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers the devices being integrated devices of class H10
- H01L2225/1011—All the devices being of a type provided for in the same main group of the same subclass of class H10, e.g. assemblies of rectifier diodes the devices having separate containers the devices being integrated devices of class H10 the containers being in a stacked arrangement
- H01L2225/1047—Details of electrical connections between containers
- H01L2225/1058—Bump or bump-like electrical connections, e.g. balls, pillars, posts
-
- 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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Lead Frames For Integrated Circuits (AREA)
Abstract
Description
Claims (17)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 각각 본체 및 상기 본체로부터 확장되는 복수의 리드를 포함하는 복수의 리드프레임형 패키지가 적층된 적층 패키지의 제조방법에 있어서,제1 리드프레임형 패키지의 리드 위에 제2 리드프레임형 패키지의 리드의 일부가 맞닿도록 상기 제1 리드프레임형 패키지 위에 상기 제2 리드프레임형 패키지를 적층하는 단계; 및상기 제1 리드프레임형 패키지의 리드와 상기 제2 리드프레임형 패키지의 리드를 레이저 솔더링에 의해 접합하는 단계를 포함하되, 상기 레이저 솔더링에 의한 접합 단계는 레이저 솔더링 헤드로부터 공급되는 솔더볼이 상기 리드들의 접합 부위에 놓여지고, 연속하여 상기 레이저 솔더링 헤드로부터 조사되는 레이저빔에 의하여 상기 솔더볼이 용융되었다가 굳으면서 상기 리드들을 접합하는 것을 포함하는 리드프레임형 적층 패키지의 제조방법.
- 제8 항에 있어서, 상기 제2 리드프레임형 패키지의 리드 위에 제3 리드프레 임형 패키지의 리드의 일부가 맞닿도록 상기 제2 리드프레임형 패키지 위에 상기 제3 리드프레임형 패키지를 적층하는 단계; 및상기 제2 리드프레임형 패키지의 리드와 상기 제3 리드프레임형 패키지의 리드를 레이저 솔더링에 의해 접합하는 단계를 더 포함하는 리드프레임형 적층 패키지의 제조방법.
- 삭제
- 제8 항에 있어서, 상기 레이저빔은 Nd:YAG 레이저로부터 생성된 레이저빔인 리드프레임형 적층 패키지의 제조방법.
- 제8 항에 있어서, 상기 제1 및 제2 리드프레임형 패키지는 TSOP(Thin Small Outline Package)인 리드프레임형 적층 패키지의 제조방법.
- 제8 항에 있어서, 상기 제1 및 제2 리드프레임형 패키지는 QFP(Quad Flat Package)인 리드프레임형 적층 패키지의 제조방법.
- 제8 항에 있어서, 상기 리드는 금속합금부와 상기 금속합금부를 둘러싼 도금 층으로 이루어진 리드프레임형 적층 패키지의 제조방법.
- 삭제
- 제8 항에 있어서, 상기 제1 리드프레임형 패키지 위에 상기 제2 리드프레임형 패키지를 적층하는 단계는 상기 제1 리드프레임형 패키지의 리드가 상기 제2 리드프레임형 패키지의 리드와 맞닿도록 상기 제1 리드프레임형 패키지와 상기 제1 리드프레임형 패키지를 얼라인하는 단계를 포함하는 리드프레임형 적층 패키지의 제조방법.
- 제8 항 또는 제16항에 있어서, 상기 제1 리드프레임형 패키지 위에 상기 제2 리드프레임형 패키지를 적층하는 단계는 상기 제1 리드프레임형 패키지의 본체와 상기 제2 리드프레임형 패키지의 본체를 접착제에 의하여 접착하는 단계를 포함하는 리드프레임형 적층 패키지의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060096401A KR100825780B1 (ko) | 2006-09-29 | 2006-09-29 | 레이저 솔더링을 이용한 리드프레임형 적층패키지의 제조방법 |
US11/855,951 US20080079128A1 (en) | 2006-09-29 | 2007-09-14 | Lead frame type stack package and method o fabricating the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060096401A KR100825780B1 (ko) | 2006-09-29 | 2006-09-29 | 레이저 솔더링을 이용한 리드프레임형 적층패키지의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20080029593A KR20080029593A (ko) | 2008-04-03 |
KR100825780B1 true KR100825780B1 (ko) | 2008-04-29 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020060096401A KR100825780B1 (ko) | 2006-09-29 | 2006-09-29 | 레이저 솔더링을 이용한 리드프레임형 적층패키지의 제조방법 |
Country Status (2)
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US (1) | US20080079128A1 (ko) |
KR (1) | KR100825780B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102015115395B4 (de) * | 2015-09-11 | 2017-06-14 | Krohne Messtechnik Gmbh | Antenne mit einer Linse |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020091975A (ko) * | 2001-06-01 | 2002-12-11 | 삼성전자 주식회사 | 적층된 초박형 패키지 |
KR20040008827A (ko) * | 2002-07-19 | 2004-01-31 | 삼성전자주식회사 | 듀얼 다이 패키지 제조 방법 |
KR20050008056A (ko) * | 2003-07-14 | 2005-01-21 | 주식회사 하이닉스반도체 | 티솝 스택 패키지 |
KR20050104204A (ko) * | 2004-04-28 | 2005-11-02 | 주식회사 하이닉스반도체 | 스택 패키지 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW434756B (en) * | 1998-06-01 | 2001-05-16 | Hitachi Ltd | Semiconductor device and its manufacturing method |
US20040092056A1 (en) * | 2002-11-13 | 2004-05-13 | Cheng-Hsun Tsai | Multilayer memory stacking method and multilayer memory made by the method |
-
2006
- 2006-09-29 KR KR1020060096401A patent/KR100825780B1/ko not_active IP Right Cessation
-
2007
- 2007-09-14 US US11/855,951 patent/US20080079128A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020091975A (ko) * | 2001-06-01 | 2002-12-11 | 삼성전자 주식회사 | 적층된 초박형 패키지 |
KR20040008827A (ko) * | 2002-07-19 | 2004-01-31 | 삼성전자주식회사 | 듀얼 다이 패키지 제조 방법 |
KR20050008056A (ko) * | 2003-07-14 | 2005-01-21 | 주식회사 하이닉스반도체 | 티솝 스택 패키지 |
KR20050104204A (ko) * | 2004-04-28 | 2005-11-02 | 주식회사 하이닉스반도체 | 스택 패키지 |
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Publication number | Publication date |
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US20080079128A1 (en) | 2008-04-03 |
KR20080029593A (ko) | 2008-04-03 |
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