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. 02, 1999
Filed:
Apr. 28, 1998
Applicant:
Inventors:
Kurt Sekinger, Volketswil, CH;
Harald Fuchs, Nottuln, DE;
Jean-Francois Paulet, Siblingen, CH;
Roman Fuchs, Schaffhausen, CH;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445 50 ;
Abstract
Structured surface, having a support layer and, connected electrically to it, peak-shaped elements, each peak-shaped element exhibiting a cylindrical or conical shaped stem region adjacent to the support layer and at least two, preferably 2 to 4 peaks at the free end of the stem region. The structured surface is suitable in particular as electron emission source for ultra-flat image screens, for electron lithography or for scanning or transmission microscopy.