TW256946B - - Google Patents

Info

Publication number
TW256946B
TW256946B TW082106493A TW82106493A TW256946B TW 256946 B TW256946 B TW 256946B TW 082106493 A TW082106493 A TW 082106493A TW 82106493 A TW82106493 A TW 82106493A TW 256946 B TW256946 B TW 256946B
Authority
TW
Taiwan
Application number
TW082106493A
Other languages
Chinese (zh)
Original Assignee
At & T Corp
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 At & T Corp filed Critical At & T Corp
Application granted granted Critical
Publication of TW256946B publication Critical patent/TW256946B/zh

Links

Classifications

    • 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
    • H01L21/48Manufacture 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
    • H01L21/4814Conductive parts
    • H01L21/4821Flat leads, e.g. lead frames with or without insulating supports
    • H01L21/4835Cleaning, e.g. removing of solder
    • 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
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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)
  • Lead Frames For Integrated Circuits (AREA)
TW082106493A 1993-03-30 1993-08-13 TW256946B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4023693A 1993-03-30 1993-03-30

Publications (1)

Publication Number Publication Date
TW256946B true TW256946B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1995-09-11

Family

ID=21909897

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082106493A TW256946B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-03-30 1993-08-13

Country Status (4)

Country Link
EP (1) EP0620589A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH06310638A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR940022819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW256946B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6396947A (ja) * 1986-10-13 1988-04-27 Mitsubishi Electric Corp 半導体装置用リ−ドフレ−ム
US5070041A (en) * 1988-08-12 1991-12-03 Mitsui Petrochemical Industries, Ltd. Method of removing flash from a semiconductor leadframe using coated leadframe and solvent
US4968397A (en) * 1989-11-27 1990-11-06 Asher Reginald K Non-cyanide electrode cleaning process
JPH0451531A (ja) * 1990-06-19 1992-02-20 Mitsubishi Electric Corp 絶縁封止型半導体装置の製造方法

Also Published As

Publication number Publication date
KR940022819A (ko) 1994-10-21
JPH06310638A (ja) 1994-11-04
EP0620589A1 (en) 1994-10-19

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