(19)
(11) EP 0 136 713 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
01.10.1986 Bulletin 1986/40

(43) Date of publication A2:
10.04.1985 Bulletin 1985/15

(21) Application number: 84111843

(22) Date of filing: 03.10.1984
(84) Designated Contracting States:
BE DE FR GB NL

(30) Priority: 04.10.1983 JP 18446783

(71) Applicant: Kobayashi, Masami
 ()

(72) Inventor:
  • Kobayashi, Masami
     ()

   


(54) Electric contact member and method of making same


(57) An electric contact member comprising a thin sheet of a stainless steel and a projection of a tin-lead type solder formed on the surface of the thin sheet as a contacting portion is provided. The electric contact member is made by a process wherein a stainless steel sheet is printed with a resist paint of a desired pattern; the stainless steel sheet is optionally electroplated with nickel; the nickel-plated or non-plated stainless steel sheet is electroplated with gold, silver, palladium or their alloys; the electroplated stainless steel sheet is dipped in a bath of a tin-lead alloy solder melt whereby spot-like or stripe projections of the solder are formed on the stainless steel sheet; and then, the sheet is cut into electric contact members.






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