High density planar magnetic domain wall memory apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8009453
APP PUB NO 20080239785A1
SERIAL NO

12136089

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Abstract

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A magnetic domain wall memory apparatus with write/read capability includes a plurality of coplanar shift register structures each comprising an elongated track formed from a ferromagnetic material having a plurality of magnetic domains therein, the shift register structures further having a plurality of discontinuities therein to facilitate domain wall location; a magnetic read element associated with each of the shift register structures; and a magnetic write element associated with each of the shift register structures, the magnetic write element further comprising a write wire having a constriction therein, the constriction located at a point corresponding to the location of the plurality of discontinuities in the associated shift register structure.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clevenger, Lawrence A LaGrangeville, US 725 4496
Dalton, Timothy J Ridgefield, US 142 2889
DeBrosse, John K Colchester, US 74 1364
Gaidis, Michael C Wappingers Falls, US 66 763
Hsu, Louis L C Fishkill, US 36 1371
Radens, Carl LaGrangeville, US 162 2310
Wong, Keith Kwong-Hon Wappingers Falls, US 11 96
Yang, Chih-Chao Glenmont, US 1033 7568

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