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:
Jan. 10, 2012
Filed:
Aug. 28, 2008
Applicants:
Yu-kyung Kim, Busan-gwangyeoksi, KR;
Chang-ki Hong, Gyeonggi-do, KR;
Sang-jun Choi, Seoul, KR;
Jeong-nam Han, Seoul, KR;
Inventors:
Yu-Kyung Kim, Busan-gwangyeoksi, KR;
Chang-Ki Hong, Gyeonggi-do, KR;
Sang-Jun Choi, Seoul, KR;
Jeong-Nam Han, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides etchant solutions including deionized water and an organic acid having a carboxyl radical and a hydroxyl radical. Methods of forming magnetic memory devices are also disclosed.