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.

Date of Patent:
Oct. 07, 2025

Filed:

Aug. 31, 2021
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Gunther A.j. Stollwerck, Krefeld, DE;

Dipankar Ghosh, Oakdale, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/12 (2006.01); G01R 15/06 (2006.01); H01G 4/10 (2006.01); H01G 4/20 (2006.01);
U.S. Cl.
CPC ...
H01G 4/1245 (2013.01); G01R 15/06 (2013.01); H01G 4/10 (2013.01); H01G 4/206 (2013.01);
Abstract

A high voltage capacitor for a voltage divider is described that is configured to sense an elevated voltage for medium and high voltage electrical distribution networks. The high voltage capacitor comprises a high voltage electrode, a measurement electrode, and an dielectric material disposed between the high voltage and measurement electrodes, wherein the dielectric material consists essentially of lanthanum oxide-zirconium oxide-titanium oxide (LZT) glass filler disposed in an insulating polymer matrix such that the capacitance of the dielectric material does not vary by more than +/−0.5% in the temperature range of −20° C. to 60° C.


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