KR910009944U - 리드 프레임의 댐바 절단용 펀치 - Google Patents
리드 프레임의 댐바 절단용 펀치Info
- Publication number
- KR910009944U KR910009944U KR2019890017372U KR890017372U KR910009944U KR 910009944 U KR910009944 U KR 910009944U KR 2019890017372 U KR2019890017372 U KR 2019890017372U KR 890017372 U KR890017372 U KR 890017372U KR 910009944 U KR910009944 U KR 910009944U
- Authority
- KR
- South Korea
- Prior art keywords
- punch
- cutting
- lead frame
- dam bar
- dam
- Prior art date
Links
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
-
- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Punching Or Piercing (AREA)
- Lead Frames For Integrated Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890017372U KR920003691Y1 (ko) | 1989-11-24 | 1989-11-24 | 리드 프레임의 댐바 절단용 펀치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890017372U KR920003691Y1 (ko) | 1989-11-24 | 1989-11-24 | 리드 프레임의 댐바 절단용 펀치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910009944U true KR910009944U (ko) | 1991-06-29 |
KR920003691Y1 KR920003691Y1 (ko) | 1992-06-08 |
Family
ID=19292191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890017372U KR920003691Y1 (ko) | 1989-11-24 | 1989-11-24 | 리드 프레임의 댐바 절단용 펀치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920003691Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100450087B1 (ko) * | 1997-01-31 | 2004-11-16 | 삼성테크윈 주식회사 | 전력용트랜지스터의리드프레임제작방법 |
-
1989
- 1989-11-24 KR KR2019890017372U patent/KR920003691Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100450087B1 (ko) * | 1997-01-31 | 2004-11-16 | 삼성테크윈 주식회사 | 전력용트랜지스터의리드프레임제작방법 |
Also Published As
Publication number | Publication date |
---|---|
KR920003691Y1 (ko) | 1992-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20040331 Year of fee payment: 13 |
|
EXPY | Expiration of term |