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Patent Searching and Data


Title:
SOLID MEMORY
Document Type and Number:
WIPO Patent Application WO/2010/101055
Kind Code:
A1
Abstract:
A solid memory in which data recording and erasion necessitate a lower current and data can be repeatedly rewritten a lager number of times. The solid memory is equipped with a recording layer comprising a multilayer structure in which the electrical properties change through phase separation, the multilayer structure being a superlattice structure composed of a film comprising antimony atoms and a film comprising germanium atoms. Phase separation occurs between the film comprising antimony atoms and the film comprising germanium atoms in the multilayer structure, and data can be efficiently recorded and erased based on the phase separtion.

Inventors:
TOMINAGA JUNJI (JP)
FONS PAUL (JP)
KOLOBOV ALEXANDER (JP)
Application Number:
PCT/JP2010/052860
Publication Date:
September 10, 2010
Filing Date:
February 24, 2010
Export Citation:
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Assignee:
NAT INST OF ADVANCED IND SCIEN (JP)
TOMINAGA JUNJI (JP)
FONS PAUL (JP)
KOLOBOV ALEXANDER (JP)
International Classes:
H01L27/105; H01L45/00
Domestic Patent References:
WO2009028249A12009-03-05
WO2009028250A12009-03-05
WO2010050117A12010-05-06
WO2010050118A12010-05-06
Other References:
C.CABRAL, JR. ET AL.: "Direct evidence for abrupt postcrystallization germanium precipitation in thin phase-change films of Sb-15 at.% Ge", APPLIED PHYSICS LETTERS, vol. 93, no. 7, 22 August 2008 (2008-08-22), pages 71906 - 71906-3
"CLEO/Pacific Rim 2005.Pacific Rim conference on Lasers and Electro-Optics, 2005.", August 2005, article KOLOBOV, A.V. ET AL.: "Laser-induced Ge Atom Switching as aKey to Understanding Phase-change Optical Media", pages: 102 - 103
J.SIEGEL ET AL.: "Dynamics of ultrafast reversible phase transitions in GeSb films triggered by picosecond laser pulses", APPLIED PHYSICS LETTERS, vol. 75, no. 20, 15 November 1999 (1999-11-15), pages 3102 - 3104
T.C.CHONG ET AL.: "Superlattice-like structure for phase change optical recording", JOURNAL OF APPLIED PHYSICS, vol. 91, no. 7, 1 April 2002 (2002-04-01), pages 3981 - 3987
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