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:
Nov. 04, 2008
Filed:
Mar. 25, 2005
Juan Ramon Maldonado, Palo Alto, CA (US);
Francisco J. Machuca, San Francisco, CA (US);
Steven T. Coyle, Alameda, CA (US);
Juan Ramon Maldonado, Palo Alto, CA (US);
Francisco J. Machuca, San Francisco, CA (US);
Steven T. Coyle, Alameda, CA (US);
Applied Materials, Inc., Santa Clara, CA (US);
Abstract
A photocathode is capable of generating an electron beam from incident light. The photocathode comprises a light permeable support having a light receiving surface and an opposing surface. A Group III nitride layer is provided on the opposing surface of the support. The Group III nitride layer comprises at least one Group III element and nitrogen. An alkali halide layer is provided on the Group III nitride layer. The alkali halide can be a cesium halide, such as cesium bromide or iodide.