JPS6311743Y2 - - Google Patents
Info
- Publication number
- JPS6311743Y2 JPS6311743Y2 JP1980138563U JP13856380U JPS6311743Y2 JP S6311743 Y2 JPS6311743 Y2 JP S6311743Y2 JP 1980138563 U JP1980138563 U JP 1980138563U JP 13856380 U JP13856380 U JP 13856380U JP S6311743 Y2 JPS6311743 Y2 JP S6311743Y2
- Authority
- JP
- Japan
- Prior art keywords
- lead frame
- lead
- polishing
- pieces
- rotary polishing
- 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
- 238000005498 polishing Methods 0.000 claims description 29
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 239000006061 abrasive grain Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010044625 Trichorrhexis Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980138563U JPS6311743Y2 (ko) | 1980-09-29 | 1980-09-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980138563U JPS6311743Y2 (ko) | 1980-09-29 | 1980-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5761850U JPS5761850U (ko) | 1982-04-13 |
JPS6311743Y2 true JPS6311743Y2 (ko) | 1988-04-05 |
Family
ID=29498586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980138563U Expired JPS6311743Y2 (ko) | 1980-09-29 | 1980-09-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6311743Y2 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1507836A (en) * | 1921-07-30 | 1924-09-09 | Norton Co | Polishing wheel |
JPS5582606A (en) * | 1978-12-20 | 1980-06-21 | Fujitsu Ltd | Cleaning method and device for plastic resin mold |
JPS56144567A (en) * | 1980-04-14 | 1981-11-10 | Toshiba Corp | Method and apparatus for removing resin burr from semiconductor device |
JPS6311743U (ko) * | 1986-07-09 | 1988-01-26 |
-
1980
- 1980-09-29 JP JP1980138563U patent/JPS6311743Y2/ja not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1507836A (en) * | 1921-07-30 | 1924-09-09 | Norton Co | Polishing wheel |
JPS5582606A (en) * | 1978-12-20 | 1980-06-21 | Fujitsu Ltd | Cleaning method and device for plastic resin mold |
JPS56144567A (en) * | 1980-04-14 | 1981-11-10 | Toshiba Corp | Method and apparatus for removing resin burr from semiconductor device |
JPS6311743U (ko) * | 1986-07-09 | 1988-01-26 |
Also Published As
Publication number | Publication date |
---|---|
JPS5761850U (ko) | 1982-04-13 |
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