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Title:
METHOD FOR PATTERN FORMATION OF ALUMINUM ALLOY
Document Type and Number:
Japanese Patent JPS5923880
Kind Code:
A
Abstract:

PURPOSE: To pattern an extended Al alloy contg. a restricted amount of V, Cr or B with fine and lustrous streaks like straight grain of wood, by chemically polishing or electropolishing the alloy after etching.

CONSTITUTION: An extended Al alloy contg. 0.5W2.5% V, 0.5W2.5% Cr or 0.5W 2.0% B is etched at about 0.1W0.6g/dm2 rate of dissolution. The extended Al alloy patterned with fine streaks like straight grain of wood, by the etching is chemically polished or electropolished to make the streaks clear and lustrous.


Inventors:
CHIBA KAZUO
MITAMURA KOUJI
TAKEUCHI ISAO
Application Number:
JP13203482A
Publication Date:
February 07, 1984
Filing Date:
July 30, 1982
Export Citation:
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Assignee:
MITSUBISHI ALUMINIUM
International Classes:
C23F3/03; C22C21/00; C23F1/00; C23F3/02; C25F3/18; C25F3/20; (IPC1-7): C23F3/02; C25F3/18
Domestic Patent References:
JPS5086435A1975-07-11
Attorney, Agent or Firm:
Utaka Katsumi