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:
Jun. 26, 2001
Filed:
Aug. 19, 1998
Applicant:
Inventors:
Louis Rector, Grays Lake, IL (US);
Hugh M. Hyatt, Bothell, WA (US);
Assignee:
Littlefuse, Inc., Des Plaines, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 5/16 ;
U.S. Cl.
CPC ...
B23B 5/16 ;
Abstract
A composition and devices utilizing these compositions for providing protection against electrical overstress including a matrix formed of a mixture of an insulating binder, conductive particles having an average particle size of less than 10 microns, and semiconductive particles having an average particle size of less than 10 microns. The compositions exhibit improved clamping voltages in a range of about 30 volts to greater than 2,000 volts.