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. 18, 2011
Filed:
Jun. 11, 2008
Jae Jung Lee, Seoul, KR;
Jae Jung Lee, Seoul, KR;
Hynix Semiconductor Inc., Icheon-si, KR;
Abstract
A flash memory device and method of fabricating thereof. In accordance with the method of the invention, a tunnel dielectric layer and an amorphous first conductive layer are formed over a semiconductor substrate. An annealing process to change the amorphous first conductive layer to a crystallized first conductive layer is performed. A second conductive layer is formed on the crystallized first conductive layer. A first etch process to pattern the second conductive layer is performed. A second etch process to remove an oxide layer on the crystallized first conductive layer is performed. A third etch process to pattern the amorphous first conductive layer is performed.