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:
Jan. 15, 2019
Filed:
Jan. 14, 2016
Littelfuse, Inc., Chicago, IL (US);
Conrado De Leon, Batangas, PH;
Albert Enriquez, Batangas, PH;
Editha Liquido, Laguna, PH;
Crispin Zulueta, Batangas, PH;
Littelfuse, Inc., Chicago, IL (US);
Abstract
Provided herein are improved electrical circuit protection devices for protection against electrostatic discharge (ESD), the devices including a first support substrate, a first electrode and a second electrode formed on the first support substrate, wherein the first electrode and the second electrode are formed from a conductive material. The devices further include a first bonding pad disposed on the first and second electrode, the first bonding pad having a first cavity formed therein; a second support substrate disposed on the first bonding pad, the second support substrate having a second cavity formed therein, and a voltage variable material disposed within the first cavity and the second cavity and electrically connected to the first electrode and the second electrode. The devices further include a second bonding pad disposed on the second support substrate, and a third support substrate disposed on the second bonding pad.