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:
Mar. 14, 2000
Filed:
Jan. 04, 1999
Steven Michael Eustis, Essex Junction, VT (US);
Cheryl Jean Herdey, Essex Junction, VT (US);
Eric Stephen Machat, Jericho, VT (US);
Dale Edward Pontius, Colchester, VT (US);
Endre Philip Thoma, Colchester, VT (US);
International Business Machines Corp., Armonk, NY (US);
Abstract
A Random Access Memory including a redundancy scheme wherein redundant memory elements are organized in a mixture of redundancy patches of various sizes, i.e., various number of word/ bit lines in each patch. The number of lines, e.g., 1, 2, 4 or 8 word or bit lines, in each of the patches is selected as appropriate with many different sized patches existing within the same redundancy reservoir. The size the particular patch selected depends on the size of the replaced defect detected during programming.