Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Taku Sakai0
Koki Chiba0
Naokuni Muramatsu0
Date of Patent
July 12, 2011
0Patent Application Number
118608220
Date Filed
September 25, 2007
0Patent Primary Examiner
Patent abstract
A method for producing beryllium-copper containing at least Be and Cu, includes holding the beryllium-copper for a predetermined solid solution time in a solid solution temperature range in which the Be is dissolved into the Cu, cooling the beryllium-copper at a cooling speed at which the Be remains dissolved in the Cu, applying plastic strain to a cooled beryllium-copper over multiple times in a processing temperature range in which the Be is not precipitated, and holding the beryllium-copper for a predetermined age hardening time in a precipitation temperature range in which the Be is precipitated.
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