JPS6336698Y2 - - Google Patents
Info
- Publication number
- JPS6336698Y2 JPS6336698Y2 JP13975983U JP13975983U JPS6336698Y2 JP S6336698 Y2 JPS6336698 Y2 JP S6336698Y2 JP 13975983 U JP13975983 U JP 13975983U JP 13975983 U JP13975983 U JP 13975983U JP S6336698 Y2 JPS6336698 Y2 JP S6336698Y2
- Authority
- JP
- Japan
- Prior art keywords
- lead frame
- tip
- inner lead
- roughness
- island
- 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.)
- Expired
Links
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910015365 Au—Si Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 phosphor bronze Chemical compound 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Landscapes
- Wire Bonding (AREA)
- Lead Frames For Integrated Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13975983U JPS6048249U (ja) | 1983-09-09 | 1983-09-09 | リ−ドフレ−ム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13975983U JPS6048249U (ja) | 1983-09-09 | 1983-09-09 | リ−ドフレ−ム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6048249U JPS6048249U (ja) | 1985-04-04 |
| JPS6336698Y2 true JPS6336698Y2 (enrdf_load_stackoverflow) | 1988-09-28 |
Family
ID=30313145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13975983U Granted JPS6048249U (ja) | 1983-09-09 | 1983-09-09 | リ−ドフレ−ム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6048249U (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010199166A (ja) * | 2009-02-24 | 2010-09-09 | Panasonic Corp | 光半導体装置用リードフレームおよび光半導体装置用リードフレームの製造方法 |
-
1983
- 1983-09-09 JP JP13975983U patent/JPS6048249U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6048249U (ja) | 1985-04-04 |
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