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. 14, 2006
Filed:
Oct. 02, 2002
Applicants:
Yutaka Shimada, Tokyo, JP;
Yoshinori Fujiwara, Tokyo, JP;
Inventors:
Yutaka Shimada, Tokyo, JP;
Yoshinori Fujiwara, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A defect information storing device includes two tables for storing information on defective points of a semiconductor device. The first table stores column addresses and number of defective points existing at this column address for (r×c+c) lines. The second table stores row addresses, number of defective points existing at this row address, and column identifiers indicating the storage place of the column address of the defective point in the first table for (r×c+r) lines.