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. 28, 2006
Filed:
Mar. 02, 2004
Applicants:
Andrej Litwin, Danderyd, SE;
Ola Pettersson, Järf{dot over (a)}lla, SE;
Inventors:
Andrej Litwin, Danderyd, SE;
Ola Pettersson, Järf{dot over (a)}lla, SE;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To protect a high-frequency integrated circuit () against higher voltages than normal operating voltages on an input/output terminal connected to a bonding pad (), a semiconductor varistor () having low and essentially constant resistance for said normal operating voltages and higher resistance for said higher voltages is integrated between the bonding pad () and the input/output terminal together with the integrated circuit ().