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:
Sep. 02, 2008
Filed:
Oct. 18, 2005
Applicants:
Byeong-ok Cho, Seoul, KR;
Suk-ho Joo, Seoul, KR;
Kyung-chang Ryoo, Seongnam-si, KR;
Kyung-rae Byun, Suwon-si, KR;
Inventors:
Byeong-Ok Cho, Seoul, KR;
Suk-Ho Joo, Seoul, KR;
Kyung-Chang Ryoo, Seongnam-si, KR;
Kyung-Rae Byun, Suwon-si, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a phase changeable memory device and a method of formation thereof, the phase changeable memory device comprises: a lower electrode pattern on an interlayer insulating layer; an insulating pattern located on the lower electrode pattern; a phase changeable pattern penetrating the insulating pattern and the lower electrode pattern to contact the lower electrode pattern and the interlayer insulating layer; and an upper electrode on the phase changeable pattern.