KR20020041847A - 절곡용 펀치 - Google Patents
절곡용 펀치 Download PDFInfo
- Publication number
- KR20020041847A KR20020041847A KR1020000071459A KR20000071459A KR20020041847A KR 20020041847 A KR20020041847 A KR 20020041847A KR 1020000071459 A KR1020000071459 A KR 1020000071459A KR 20000071459 A KR20000071459 A KR 20000071459A KR 20020041847 A KR20020041847 A KR 20020041847A
- Authority
- KR
- South Korea
- Prior art keywords
- punch
- bending
- lead frame
- workpiece
- bent
- Prior art date
Links
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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67121—Apparatus for making assemblies not otherwise provided for, e.g. package constructions
Landscapes
- Engineering & Computer Science (AREA)
- Bending Of Plates, Rods, And Pipes (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)
Abstract
Description
Claims (3)
- 다이에 안치된 판형 또는 선형의 공작물에 가압접촉하여 공작물을 절곡시키는 절곡용 펀치에 있어서,펀치 몸체와,상기 몸체 일측면 하단의 절곡될 공작물이 접촉되는 모서리부에 돌출 형성된 제 1돌출부와,상기 몸체 하면의 절곡될 공작물과 접촉되는 모서리부에 돌출 형성된 제 2돌출부를 포함하여 이루어지는 것이 특징인 절곡용 펀치.
- 청구항 1에 있어서,상기 제1 및 제 2돌출부는 펀치 몸체로부터 블록 또는 원형 봉(棒)형태로 돌출형성된 것이 특징인 절곡용 펀치.
- 청구항 1내지 2항중 어느 한 항에 있어서,상기 펀치는 반도체 리드프레임의 절곡에 사용되는 것이 특징인 절곡용 펀치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20000071459A KR100376872B1 (ko) | 2000-11-29 | 2000-11-29 | 절곡용 펀치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20000071459A KR100376872B1 (ko) | 2000-11-29 | 2000-11-29 | 절곡용 펀치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020041847A true KR20020041847A (ko) | 2002-06-05 |
KR100376872B1 KR100376872B1 (ko) | 2003-03-19 |
Family
ID=19702120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20000071459A KR100376872B1 (ko) | 2000-11-29 | 2000-11-29 | 절곡용 펀치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100376872B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102067218B1 (ko) | 2018-06-20 | 2020-01-16 | 주식회사 티앤드에스 | 공작물 가공치구 |
-
2000
- 2000-11-29 KR KR20000071459A patent/KR100376872B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100376872B1 (ko) | 2003-03-19 |
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