Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshifumi Kanetaka0
Naomi Ishizuka0
Date of Patent
October 26, 2010
0Patent Application Number
105973060
Date Filed
January 6, 2005
0Patent Primary Examiner
Patent abstract
A circuit board includes a plurality of through holes into which a plurality of leads of one electronic devices are inserted and soldered with lead free solder. Among these through holes, the volume of through hole into which the outermost end lead of leads of the electronic device is inserted, is set greater than the volume of through hole, into which the lead at the position nearest to the center of the electronic device is inserted.
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