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:
Aug. 24, 1993
Filed:
May. 27, 1992
Applicant:
Inventors:
Aiichiro Sakumoto, Chigasaki, JP;
Michihiro Kawakami, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; G01R / ;
U.S. Cl.
CPC ...
257203 ; 3241 / ; 437-8 ;
Abstract
Upon the making of a die-sort testing for a predetermined IC pattern formed on each chip area, a plurality of sets of output pads selectively supplied with output signals are formed on the chip area and connected with a connection pattern on a dicing line area, and one testing pad is provided for the respective set of the pads. The IC patterns are tested by electrically contacting the testing pad with corresponding probe needle of probe card in a die-sort machine.