US 7,477,567 B2
Memory storage device with heating element
David W. Abraham, Croton-on-Hudson, N.Y. (US); and Philip L. Trouilloud, Norwood, N.J. (US)
Assigned to International Business Machines Corporation, Armonk, N.Y. (US)
Filed on Jul. 08, 2003, as Appl. No. 10/615,147.
Application 10/615147 is a continuation of application No. 10/128838, filed on Apr. 23, 2002, granted, now 6,724,674.
Application 10/128838 is a continuation in part of application No. 09/708253, filed on Nov. 08, 2000, granted, now 6,385,082.
Prior Publication US 2008/0304353 A1, Dec. 11, 2008
Int. Cl. G11C 8/00 (2006.01)
U.S. Cl. 365—230.07  [365/211; 365/97; 365/173] 37 Claims
OG exemplary drawing
 
1. A method for writing to a memory storage device comprising:
a) providing a storage cell comprising a changeable magnetic region, said changeable magnetic region comprising a material having a magnetization state that is responsive to a change in temperature thereof; and
b) heating an element of said storage cell for selectively changing the temperature of said changeable magnetic region of said storage cell;
c) said heating said element is provided by passing an electric current therethrough.