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:
Feb. 09, 2010
Filed:
Mar. 23, 2006
Applicant:
Takanori Yoshimatsu, Kanagawa-ken, JP;
Inventor:
Takanori Yoshimatsu, Kanagawa-ken, JP;
Assignee:
Kabushiki Kaisha Toshiba, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a semiconductor device comprising, a function unit portion including a circuit element, rank data presenting results of a rank-classification test on the circuit element, the rank-classification test being performed on the basis of a plurality of test criteria on wafer state, a non-volatile memory portion in which the rank data are stored, and a control portion reading out the rank data from the non-volatile memory portion, the control portion being used in a product test after packaging.