JPS59188952A - リ−ドフレ−ムの製造方法 - Google Patents
リ−ドフレ−ムの製造方法Info
- Publication number
- JPS59188952A JPS59188952A JP6431683A JP6431683A JPS59188952A JP S59188952 A JPS59188952 A JP S59188952A JP 6431683 A JP6431683 A JP 6431683A JP 6431683 A JP6431683 A JP 6431683A JP S59188952 A JPS59188952 A JP S59188952A
- Authority
- JP
- Japan
- Prior art keywords
- plating
- lead frame
- metal strip
- partial
- lead
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000007747 plating Methods 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000005530 etching Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract 2
- 230000000007 visual effect Effects 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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
- 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
- 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
Landscapes
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6431683A JPS59188952A (ja) | 1983-04-11 | 1983-04-11 | リ−ドフレ−ムの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6431683A JPS59188952A (ja) | 1983-04-11 | 1983-04-11 | リ−ドフレ−ムの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59188952A true JPS59188952A (ja) | 1984-10-26 |
JPH0135503B2 JPH0135503B2 (enrdf_load_stackoverflow) | 1989-07-25 |
Family
ID=13254704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6431683A Granted JPS59188952A (ja) | 1983-04-11 | 1983-04-11 | リ−ドフレ−ムの製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59188952A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01153653U (enrdf_load_stackoverflow) * | 1988-04-01 | 1989-10-23 | ||
JPH03127856A (ja) * | 1989-10-13 | 1991-05-30 | Mitsui High Tec Inc | リードフレームの製造方法 |
JP2012253265A (ja) * | 2011-06-06 | 2012-12-20 | Shinko Electric Ind Co Ltd | リードフレームの製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6518547B2 (ja) | 2015-08-07 | 2019-05-22 | 新光電気工業株式会社 | リードフレーム、半導体装置及びリードフレームの製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58137209A (ja) * | 1982-02-09 | 1983-08-15 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JPS5999750A (ja) * | 1982-11-30 | 1984-06-08 | Sumitomo Metal Mining Co Ltd | Ic用リ−ドフレ−ムの製造方法 |
-
1983
- 1983-04-11 JP JP6431683A patent/JPS59188952A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58137209A (ja) * | 1982-02-09 | 1983-08-15 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JPS5999750A (ja) * | 1982-11-30 | 1984-06-08 | Sumitomo Metal Mining Co Ltd | Ic用リ−ドフレ−ムの製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01153653U (enrdf_load_stackoverflow) * | 1988-04-01 | 1989-10-23 | ||
JPH03127856A (ja) * | 1989-10-13 | 1991-05-30 | Mitsui High Tec Inc | リードフレームの製造方法 |
JP2012253265A (ja) * | 2011-06-06 | 2012-12-20 | Shinko Electric Ind Co Ltd | リードフレームの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0135503B2 (enrdf_load_stackoverflow) | 1989-07-25 |
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