KR910009944U - 리드 프레임의 댐바 절단용 펀치 - Google Patents

리드 프레임의 댐바 절단용 펀치

Info

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
Application number
KR2019890017372U
Other languages
English (en)
Other versions
KR920003691Y1 (ko
Inventor
변광유
Original Assignee
현대전자산업 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 현대전자산업 주식회사 filed Critical 현대전자산업 주식회사
Priority to KR2019890017372U priority Critical patent/KR920003691Y1/ko
Publication of KR910009944U publication Critical patent/KR910009944U/ko
Application granted granted Critical
Publication of KR920003691Y1 publication Critical patent/KR920003691Y1/ko

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/50Assembly 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)
KR2019890017372U 1989-11-24 1989-11-24 리드 프레임의 댐바 절단용 펀치 KR920003691Y1 (ko)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100450087B1 (ko) * 1997-01-31 2004-11-16 삼성테크윈 주식회사 전력용트랜지스터의리드프레임제작방법

Cited By (1)

* Cited by examiner, † Cited by third party
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

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