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. 06, 2001
Filed:
Oct. 22, 1998
Applicant:
Inventor:
Jun-Ichi Fujita, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 ;
U.S. Cl.
CPC ...
G11B 5/66 ;
Abstract
In a magneto-resistance effect device including a plurality of magnetic dots each of which is formed by magnetic material on a substrate and appears a magneto-resistance effect by applying an external magnetic field, the magnetic dots are arranged on the substrate in a two-dimensional array. The two-dimensional array has a plurality of rows along a column direction and a plurality of columns along a row direction. The magnetic dots include at least first magnetic dots and second magnetic dots. The first magnetic dots are arranged on first rows while the second magnetic dots are arranged on second rows. The first magnetic dot is different from the second magnetic dot in shape.