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. 05, 2011
Filed:
Sep. 13, 2010
Applicants:
Weidong Qian, Sunnyvale, CA (US);
Mark T. Ramsbey, Sunnyvale, CA (US);
Tazrien Kamal, San Jose, CA (US);
Inventors:
Weidong Qian, Sunnyvale, CA (US);
Mark T. Ramsbey, Sunnyvale, CA (US);
Tazrien Kamal, San Jose, CA (US);
Assignee:
Spansion LLC, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory device includes a number of memory cells and a number of bit lines. Each of the bit lines includes a first region having a first width and a first depth and a second region having a second width and a second depth, where the first width is less than the second width. The first region may include an n-type impurity and the second region may include a p-type impurity.