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. 30, 2014
Filed:
Aug. 31, 2012
Applicant:
Min Seok Son, Icheon-si, KR;
Inventor:
Min Seok Son, Icheon-si, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phase-change random access memory (PCRAM) device and a method of manufacturing the same. The PCRAM includes a heating electrode having an upper surface protruding in a stepped shape and a phase-change material layer formed in a phase-change space on the heating electrode, the phase-change material layer having a plurality of portions having thicknesses corresponding to the stepped shape of the heating electrode.
Son, Min. (2014). Phase-change random access memory device having multi-levels and method of manufacturing the same (U.S. Patent No. 8921817). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8921817
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