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. 27, 2012
Filed:
Jul. 06, 2006
Applicant:
Qiu-hong HU, Göteborg, SE;
Inventor:
Qiu-Hong Hu, Göteborg, SE;
Assignee:
Lightlab Sweden AB, Saltsjobaden, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to example embodiments, a method for manufacturing a field emission cathode includes providing a liquid compound comprising a liquid phenolic resin and at least one of a metal salt and a metal oxide arranging a conductive cathode support in a vicinity of the liquid compound, and heating the liquid compound. Heating the liquid compound transforms the liquid compound into a solid compound foam.