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. 31, 2015
Filed:
Oct. 05, 2013
Applicants:
Srinivas H. Kumar, Fremont, CA (US);
Ananda H. Kumar, Fremont, CA (US);
Tue Nguyen, Fremont, CA (US);
Inventors:
Srinivas H. Kumar, Fremont, CA (US);
Ananda H. Kumar, Fremont, CA (US);
Tue Nguyen, Fremont, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01); H01J 1/30 (2006.01); H01J 9/02 (2006.01);
U.S. Cl.
CPC ...
H01J 1/30 (2013.01); H01J 9/025 (2013.01);
Abstract
Silicon substrate having (100) crystal orientation can be wet etched to form (111) sharp tip pyramids. The sharp tip pyramids can be used to fabricate electrodes for flat panel displays, such as a plasma display panel or a field emission display.