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:
Jul. 17, 2007
Filed:
Dec. 09, 2004
Applicants:
Jae-dong Lee, Suwon-si, KR;
Chang-ki Hong, Sungnam-si, KR;
Young-rae Park, Suwon-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/8242 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing a capacitor is disclosed. An etch-stop layer or a polishing stop layer is employed to protect a storage electrode of the capacitor from being damaged by a chemical mechanical polishing process or an etch-back process during its fabrication.