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. 20, 2001
Filed:
Aug. 21, 1998
Applicant:
Inventors:
Guenter Igel, Teningen, DE;
Joachim Krumrey, Freiburg i.Br., DE;
Assignee:
Micronas Intermetall GmbH, Freiburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/900 ; H01L 2/358 ; H01L 2/362 ; H01L 2/974 ; H01L 3/111 ;
U.S. Cl.
CPC ...
H01L 2/900 ; H01L 2/358 ; H01L 2/362 ; H01L 2/974 ; H01L 3/111 ;
Abstract
The invention relates to an overvoltage protection device and to a method for fabricating such a device. A substrate (,) is provided with a first electrode layer (,), above which extends a second electrode layer (,) which is separated from the first electrode layer (,) by a distance (d) determined by the thickness of a spacing layer (,). The spacing layer (,) has an opening (,) which forms a cavity (,) between the electrode layers (,).