JP6414669B2 - リードフレーム及びその製造方法 - Google Patents
リードフレーム及びその製造方法 Download PDFInfo
- Publication number
- JP6414669B2 JP6414669B2 JP2014149026A JP2014149026A JP6414669B2 JP 6414669 B2 JP6414669 B2 JP 6414669B2 JP 2014149026 A JP2014149026 A JP 2014149026A JP 2014149026 A JP2014149026 A JP 2014149026A JP 6414669 B2 JP6414669 B2 JP 6414669B2
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- Prior art keywords
- lead frame
- plating layer
- plating
- film
- frame pattern
- 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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- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 238000007747 plating Methods 0.000 claims description 117
- 239000010410 layer Substances 0.000 claims description 78
- 239000004065 semiconductor Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 229910052763 palladium Inorganic materials 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 description 49
- 238000010586 diagram Methods 0.000 description 25
- 239000000463 material Substances 0.000 description 25
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 24
- 239000011347 resin Substances 0.000 description 14
- 229920005989 resin Polymers 0.000 description 14
- 239000004642 Polyimide Substances 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 229920001721 polyimide Polymers 0.000 description 10
- 239000010409 thin film Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000009713 electroplating Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 229910000679 solder Inorganic materials 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000007769 metal material Substances 0.000 description 5
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910017750 AgSn Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/93—Batch processes
- H01L24/95—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
-
- 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
- H01L2224/01—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
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- 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
- H01L2924/181—Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
Description
前記表面と側面には前記半導体素子とのボンディングが可能なボンディング用めっき層が形成され、前記裏面にはフィルムが貼り付けられている。
金属板を加工してリードフレーパターンを形成する工程と、
該リードフレームパターンの裏面にフィルムを貼り付ける工程と、
該フィルムをマスクとし、前記リードフレームの表面と側面にめっき層を形成する工程と、を有する。
金属板を加工してリードフレーパターンを形成する工程と、
該リードフレームパターンの全面に第1のめっき層を形成する工程と、
前記リードフレームパターンの裏面にフィルムを貼り付ける工程と、
該フィルムをマスクとし、前記リードフレームの表面と側面に第2のめっき層を形成する工程と、を有する。
11 半導体素子搭載領域
12 端子領域
15 金属板
20、30 めっき層
40 フィルム
50、51 リードフレーム
60 半導体素子
70 ワイヤ
80 樹脂
Claims (4)
- 裏面に外部接続端子が露出し、表面に半導体素子が実装される表面実装型半導体パッケージに用いられるリードフレームの製造方法であって、
金属板を加工してリードフレームパターンを形成する工程と、
該リードフレームパターンの全面に第1のめっき層を形成する工程と、
前記リードフレームパターンの裏面にフィルムを貼り付ける工程と、
該フィルムをマスクとし、前記リードフレームの表面と側面に第2のめっき層を形成する工程と、を有するリードフレームの製造方法。 - 前記フィルムは、接着層又は粘着層を有するテープ状のフィルムであり、該接着層又は粘着層を用いて前記リードフレームパターンの前記裏面に前記フィルムを貼り付ける請求項1に記載のリードフレームの製造方法。
- 前記第1のめっき層は、Ni、Pd及びAuが下層から順に積層形成されためっき層であり、前記第1のめっき層を形成する工程は、Ni、Pd及びAuを順に前記リードフレームパターンにめっきする工程を含む請求項1又は2に記載のリードフレームの製造方法。
- 前記第2のめっき層を形成する工程は、前記リードフレームパターンにAgをめっきする工程を含む請求項1乃至3のいずれか一項に記載のリードフレームの製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014149026A JP6414669B2 (ja) | 2014-07-22 | 2014-07-22 | リードフレーム及びその製造方法 |
TW104123156A TWI606556B (zh) | 2014-07-22 | 2015-07-17 | Lead frame and its manufacturing method |
KR1020150102528A KR20160011583A (ko) | 2014-07-22 | 2015-07-20 | 리드 프레임 및 그 제조 방법 |
CN201510431451.5A CN105304601B (zh) | 2014-07-22 | 2015-07-21 | 引线框及其制造方法 |
KR1020170019464A KR20170020712A (ko) | 2014-07-22 | 2017-02-13 | 리드 프레임 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014149026A JP6414669B2 (ja) | 2014-07-22 | 2014-07-22 | リードフレーム及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016025244A JP2016025244A (ja) | 2016-02-08 |
JP6414669B2 true JP6414669B2 (ja) | 2018-10-31 |
Family
ID=55201658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014149026A Active JP6414669B2 (ja) | 2014-07-22 | 2014-07-22 | リードフレーム及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6414669B2 (ja) |
KR (2) | KR20160011583A (ja) |
CN (1) | CN105304601B (ja) |
TW (1) | TWI606556B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG11201807643QA (en) * | 2016-03-11 | 2018-10-30 | Atotech Deutschland Gmbh | Lead-frame structure, lead-frame, surface mount electronic device and methods of producing same |
KR101870244B1 (ko) | 2017-04-19 | 2018-06-22 | 서울시립대학교 산학협력단 | 초박형 실리콘 스트레인 게이지 제조 방법 |
KR102102034B1 (ko) * | 2018-02-06 | 2020-04-22 | 주식회사 바른전자 | Qfn 반도체 패키지의 제조방법 |
KR102005178B1 (ko) | 2018-02-07 | 2019-07-29 | 서울시립대학교 산학협력단 | 포토레지스트 보호막을 활용한 실리콘 스트레인 게이지 제조 방법 |
JP6657331B2 (ja) * | 2018-07-26 | 2020-03-04 | 大口マテリアル株式会社 | リードフレーム、樹脂付きリードフレーム及び光半導体装置、並びにリードフレームの製造方法 |
JP7292776B2 (ja) * | 2020-01-30 | 2023-06-19 | 大口マテリアル株式会社 | リードフレーム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6142940A (ja) * | 1984-08-07 | 1986-03-01 | Hitachi Cable Ltd | 半導体用リ−ドフレ−ム |
JPS6149450A (ja) * | 1984-08-17 | 1986-03-11 | Hitachi Cable Ltd | 半導体用リ−ドフレ−ム |
JPS6214452A (ja) * | 1985-07-12 | 1987-01-23 | Hitachi Cable Ltd | 半導体用リ−ドフレ−ム |
JPS62204558A (ja) * | 1986-03-05 | 1987-09-09 | Shinko Electric Ind Co Ltd | リ−ドフレ−ム |
JP2524645B2 (ja) * | 1990-03-30 | 1996-08-14 | 株式会社三井ハイテック | リ―ドフレ―ムおよびその製造方法 |
JP2001230360A (ja) * | 2000-02-18 | 2001-08-24 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
JP2003124421A (ja) * | 2001-10-15 | 2003-04-25 | Shinko Electric Ind Co Ltd | リードフレーム及びその製造方法並びに該リードフレームを用いた半導体装置の製造方法 |
JP2005079524A (ja) | 2003-09-03 | 2005-03-24 | Matsushita Electric Ind Co Ltd | 半導体装置用リードフレーム |
JP4857594B2 (ja) * | 2005-04-26 | 2012-01-18 | 大日本印刷株式会社 | 回路部材、及び回路部材の製造方法 |
-
2014
- 2014-07-22 JP JP2014149026A patent/JP6414669B2/ja active Active
-
2015
- 2015-07-17 TW TW104123156A patent/TWI606556B/zh active
- 2015-07-20 KR KR1020150102528A patent/KR20160011583A/ko active Search and Examination
- 2015-07-21 CN CN201510431451.5A patent/CN105304601B/zh active Active
-
2017
- 2017-02-13 KR KR1020170019464A patent/KR20170020712A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2016025244A (ja) | 2016-02-08 |
KR20170020712A (ko) | 2017-02-23 |
CN105304601B (zh) | 2018-02-13 |
TW201604998A (zh) | 2016-02-01 |
KR20160011583A (ko) | 2016-02-01 |
CN105304601A (zh) | 2016-02-03 |
TWI606556B (zh) | 2017-11-21 |
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