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.

Date of Patent:
May. 10, 2011

Filed:

Apr. 15, 2008
Applicants:

Sung-taeg Kang, Austin, TX (US);

Rode R. Mora, Austin, TX (US);

Inventors:

Sung-Taeg Kang, Austin, TX (US);

Rode R. Mora, Austin, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/788 (2006.01);
U.S. Cl.
CPC ...
Abstract

A non-volatile memory (NVM) cell comprising a layer of discrete charge storing elements, a control gate, and a select gate is provided. The control gate has a first sidewall with a lower portion being at least a first angle 10 degrees away from 90 degrees with respect to substrate. Further, the select gate has a second sidewall with a lower portion being at least a second angle at least 10 degrees away from 90 degrees with respect to the substrate. The NVM cell further comprises a layer of dielectric material located between the first sidewall and the second sidewall.


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