Title:
COPPER ALLOY COMMONLY HAVING CONDUCTIVITY AND STRENGTH
Document Type and Number:
Japanese Patent JP2501275
Kind Code:
B2
Abstract:
PURPOSE: To provide copper alloy commonly having electric conductivity and strength and provide copper alloy having excellent characteristics in every respect such as the strength, the electric conductivity, the resistance against the repeated bending and plating suitability.
CONSTITUTION: Copper alloy commonly having the electric conductivity and the strength which is characterized in that either of or both or 0.01-2wt.% chromium and 0.005-1wt.% zirconium is selected, the content of oxygen is ≤60ppm, and the balance substantially consists of copper, the size of precipitated substance is ≤50μm, and 100-100000pcs/mm2 of the precipitated substance of 5-50μm in size are present, and copper alloy where one or two or more kinds of elements of Ni, Fe, Zn or the like are added to the before-mentioned alloy are provided.
Inventors:
SUGAI HIROZO
YAMANE SHIGEMI
TEJIMA KOICHI
MACHITORI HARUKA
FUJIWARA TETSUO
YAMANE SHIGEMI
TEJIMA KOICHI
MACHITORI HARUKA
FUJIWARA TETSUO
Application Number:
JP26273492A
Publication Date:
May 29, 1996
Filing Date:
September 07, 1992
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
C22C9/00; (IPC1-7): C22C9/00
Domestic Patent References:
| JP5620136A | ||||
| JP58123846A | ||||
| JP54100257A | ||||
| JP54119328A | ||||
| JP54402B2 | ||||
| JP5717929B2 |
Attorney, Agent or Firm:
Noriyuki Noriyuki