JPS60260142A - リ−ドフレ−ム - Google Patents
リ−ドフレ−ムInfo
- Publication number
- JPS60260142A JPS60260142A JP11605784A JP11605784A JPS60260142A JP S60260142 A JPS60260142 A JP S60260142A JP 11605784 A JP11605784 A JP 11605784A JP 11605784 A JP11605784 A JP 11605784A JP S60260142 A JPS60260142 A JP S60260142A
- Authority
- JP
- Japan
- Prior art keywords
- plating
- parts
- lead
- lead frame
- gaps
- 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
- 238000007747 plating Methods 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000005530 etching Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 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
- 239000010931 gold Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07
- H01L21/4814—Conductive parts
- H01L21/4821—Flat leads, e.g. lead frames with or without insulating supports
- H01L21/4828—Etching
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (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 |
|---|---|---|---|
| JP11605784A JPS60260142A (ja) | 1984-06-06 | 1984-06-06 | リ−ドフレ−ム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11605784A JPS60260142A (ja) | 1984-06-06 | 1984-06-06 | リ−ドフレ−ム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60260142A true JPS60260142A (ja) | 1985-12-23 |
| JPH022293B2 JPH022293B2 (enrdf_load_stackoverflow) | 1990-01-17 |
Family
ID=14677633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11605784A Granted JPS60260142A (ja) | 1984-06-06 | 1984-06-06 | リ−ドフレ−ム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60260142A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148668A (ja) * | 1986-12-11 | 1988-06-21 | Mitsubishi Electric Corp | 半導体装置用リ−ドフレ−ム |
| US5014112A (en) * | 1985-11-12 | 1991-05-07 | Texas Instruments Incorporated | Semiconductor integrated circuit device having mirror image circuit bars bonded on opposite sides of a lead frame |
| US5082802A (en) * | 1985-11-12 | 1992-01-21 | Texas Instruments Incorporated | Method of making a memory device by packaging two integrated circuit dies in one package |
| US6656275B2 (en) | 2000-04-27 | 2003-12-02 | Shinko Electric Industries Co., Ltd. | Partial plating system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223270A (en) * | 1975-08-15 | 1977-02-22 | Dainippon Printing Co Ltd | Method of manufacturing lead frames for semiconductors |
| JPS53125938A (en) * | 1977-04-12 | 1978-11-02 | Toshiba Corp | Plating method of lead frame |
| JPS5891650A (ja) * | 1981-11-26 | 1983-05-31 | Toshiba Corp | 半導体装置 |
| JPS58127356A (ja) * | 1982-01-26 | 1983-07-29 | Nippon Texas Instr Kk | 半導体集積回路の樹脂封止法およびそのために用いるリ−ドフレ−ム |
-
1984
- 1984-06-06 JP JP11605784A patent/JPS60260142A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223270A (en) * | 1975-08-15 | 1977-02-22 | Dainippon Printing Co Ltd | Method of manufacturing lead frames for semiconductors |
| JPS53125938A (en) * | 1977-04-12 | 1978-11-02 | Toshiba Corp | Plating method of lead frame |
| JPS5891650A (ja) * | 1981-11-26 | 1983-05-31 | Toshiba Corp | 半導体装置 |
| JPS58127356A (ja) * | 1982-01-26 | 1983-07-29 | Nippon Texas Instr Kk | 半導体集積回路の樹脂封止法およびそのために用いるリ−ドフレ−ム |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014112A (en) * | 1985-11-12 | 1991-05-07 | Texas Instruments Incorporated | Semiconductor integrated circuit device having mirror image circuit bars bonded on opposite sides of a lead frame |
| US5082802A (en) * | 1985-11-12 | 1992-01-21 | Texas Instruments Incorporated | Method of making a memory device by packaging two integrated circuit dies in one package |
| JPS63148668A (ja) * | 1986-12-11 | 1988-06-21 | Mitsubishi Electric Corp | 半導体装置用リ−ドフレ−ム |
| US6656275B2 (en) | 2000-04-27 | 2003-12-02 | Shinko Electric Industries Co., Ltd. | Partial plating system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH022293B2 (enrdf_load_stackoverflow) | 1990-01-17 |
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