Metal treatment – Stock – Age or precipitation hardened or strengthened
Patent
1986-05-28
1987-09-29
Rutledge, L. Dewayne
Metal treatment
Stock
Age or precipitation hardened or strengthened
148413, 148414, 148433, 148434, 148435, C22C 906
Patent
active
046967044
ABSTRACT:
An excellent material for lead frames is provided which is economical and easily punched out to produce lead frames without bending or breakage, and has both superior tensile strength and high electrical conductivity, as well as splendid heat dissipation properties and good soldering properties.
REFERENCES:
patent: 4599120 (1986-07-01), Church et al.
Chemical Abstracts, 85:50649u, "Mold Material for Continuous Casting of Steel", Mimura, R., Miyafuji, M., Matsunaga, M.
Ikushima Kazuo
Iwadachi Takaharu
Takeuchi Kazumasa
NGK Insulators Ltd.
Rutledge L. Dewayne
Wyszomierski George
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