Title:
CASE FOR PORTABLE COMMUNICATION TERMINALS
Document Type and Number:
Japanese Patent JP2001185865
Kind Code:
A
Abstract:
To provide a magnesium alloy case for a portable communication terminal which improves the shield/absorption function of electromagnetic waves, prevents malfunction of electronic circuits due to electromagnetic waves, and improves the rigidity even it is thin and the productivity in manufacturing.
A magnesium alloy rolled blank is plastically processed to form a case with its main portions 0.2-1.0 mm thick and electric resistance of 4.3-4.80 μΩ.cm.
Inventors:
TAKEDA SHIGERU
TANAKA TOSHIHIKO
TANAKA TAKAAKI
TANAKA TOSHIHIKO
TANAKA TAKAAKI
Application Number:
JP36799699A
Publication Date:
July 06, 2001
Filing Date:
December 24, 1999
Export Citation:
Assignee:
HITACHI METALS LTD
International Classes:
B21J5/00; C22F1/00; C22F1/06; H04W88/02; H05K5/02; (IPC1-7): H05K5/02; C22F1/06; H04Q7/32