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:
Sep. 02, 2003
Filed:
Mar. 28, 2001
Applicant:
Inventors:
Hans-Michael Schmitt, Muennerstadt, DE;
Gottfried Berthold, Reutlingen, DE;
Juergen Bach, Bad Neustadt/Saale, DE;
Assignee:
Preh-Werke GmbH & Co. KG, Saale, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 2/320 ;
U.S. Cl.
CPC ...
G01R 2/320 ;
Abstract
A capacitive sensor for detecting surface condensation which includes a carrier ( ), a metal layer ( ) applied to the carrier ( ) to form an interdigital structure, a passivation layer ( ) formed over the metal layer ( ), and a hydrophilic layer ( ) applied over the passivation layer ( ), where the hydrophilic layer ( ) increases a surface tension of the passivation layer ( ).