GB2158095B - Copper alloys for integrated circuit leads - Google Patents

Copper alloys for integrated circuit leads

Info

Publication number
GB2158095B
GB2158095B GB8410620A GB8410620A GB2158095B GB 2158095 B GB2158095 B GB 2158095B GB 8410620 A GB8410620 A GB 8410620A GB 8410620 A GB8410620 A GB 8410620A GB 2158095 B GB2158095 B GB 2158095B
Authority
GB
United Kingdom
Prior art keywords
integrated circuit
copper alloys
circuit leads
leads
alloys
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
Application number
GB8410620A
Other versions
GB8410620D0 (en
GB2158095A (en
Inventor
Dong Kyu Park
Young Gil Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Poong San Metal Corp
Original Assignee
Poong San Metal 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 Poong San Metal Corp filed Critical Poong San Metal Corp
Priority to GB8410620A priority Critical patent/GB2158095B/en
Publication of GB8410620D0 publication Critical patent/GB8410620D0/en
Publication of GB2158095A publication Critical patent/GB2158095A/en
Application granted granted Critical
Publication of GB2158095B publication Critical patent/GB2158095B/en
Priority to HK91788A priority patent/HK91788A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
    • 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
    • H01L23/488—Arrangements 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
    • H01L23/495—Lead-frames or other flat leads
    • H01L23/49579—Lead-frames or other flat leads characterised by the materials of the lead frames or layers thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Conductive Materials (AREA)
GB8410620A 1984-04-26 1984-04-26 Copper alloys for integrated circuit leads Expired GB2158095B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8410620A GB2158095B (en) 1984-04-26 1984-04-26 Copper alloys for integrated circuit leads
HK91788A HK91788A (en) 1984-04-26 1988-11-10 Copper alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8410620A GB2158095B (en) 1984-04-26 1984-04-26 Copper alloys for integrated circuit leads

Publications (3)

Publication Number Publication Date
GB8410620D0 GB8410620D0 (en) 1984-05-31
GB2158095A GB2158095A (en) 1985-11-06
GB2158095B true GB2158095B (en) 1988-04-20

Family

ID=10560091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8410620A Expired GB2158095B (en) 1984-04-26 1984-04-26 Copper alloys for integrated circuit leads

Country Status (2)

Country Link
GB (1) GB2158095B (en)
HK (1) HK91788A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2751990B1 (en) * 1996-07-30 1998-10-02 Griset Ets COPPER-BASED ALLOY WITH HIGH ELECTRICAL CONDUCTIVITY AND SOFTENING TEMPERATURE FOR ELECTRONIC APPLICATIONS
TW434324B (en) * 1996-09-05 2001-05-16 Furukawa Electric Co Ltd Copper alloy for electronic devices
US7928541B2 (en) 2008-03-07 2011-04-19 Kobe Steel, Ltd. Copper alloy sheet and QFN package

Also Published As

Publication number Publication date
GB8410620D0 (en) 1984-05-31
HK91788A (en) 1988-11-18
GB2158095A (en) 1985-11-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940426

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20040425