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:
Mar. 25, 2008
Filed:
Dec. 28, 2005
Applicant:
Jun-hee Cho, Kyoungki-do, KR;
Inventor:
Jun-Hee Cho, Kyoungki-do, KR;
Assignee:
Hynix Semiconductor Inc., , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor structure has an active region on a substrate, and recessed portions are formed at lower edges of lateral portions of the semiconductor structure. Patterned first insulation layers for device isolation are buried into the recessed portions. Second insulation layers for device isolation are formed on sidewalls of the first insulation layers.