The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 1989
Filed:
May. 20, 1988
Makoto Imamura, Kawasaki, JP;
Ryouichi Miyamoto, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A film carrier for a semiconductor device tested with a tester having a plurality of test pins arranged with predetermined interval, comprises a film substrate of insulating material. A plurality of conductive leads are arranged on the film substrate with predetermined spacing with respect to an adjacent one. Each lead has testing lead portion and circuit lead portion. The spacing between the adjacent testing lead portion is larger than the spacing between the adjacent circuit lead portion. The testing lead portion is removed partially from the conductive lead after an efficiency test.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile