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:
Dec. 03, 2013
Filed:
Dec. 13, 2011
Applicants:
Wendong Song, Singapore, SG;
Luping Shi, Singapore, SG;
Yun Fook Thomas Liew, Singapore, SG;
Tow Chong Chong, Singapore, SG;
Inventors:
Wendong Song, Singapore, SG;
Luping Shi, Singapore, SG;
Yun Fook Thomas Liew, Singapore, SG;
Tow Chong Chong, Singapore, SG;
Assignee:
Agency for Science, Technology and Research, Singapore, SG;
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diode and a memory device having a diode are provided. The diode includes a semiconductor layer and phase change material layer. The semiconductor layer and the phase change material layer have different energy bandgaps and different carrier concentrations such that an isotype heterojunction is formed at a boundary interface between the semiconductor layer and the phase change material layer.