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. 09, 2021
Filed:
Oct. 04, 2019
Applicant:
Polytronics Technology Corp., Hsinchu, TW;
Inventors:
Tsung Min Su, Hsinchu, TW;
Chia Mao Chen, Ji'an Township, Hualien County, TW;
David Shau Chew Wang, Taipei, TW;
Assignee:
Polytronics Technology Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 85/175 (2006.01); H01H 37/76 (2006.01); H01H 85/00 (2006.01);
U.S. Cl.
CPC ...
H01H 85/175 (2013.01); H01H 37/761 (2013.01); H01H 85/0047 (2013.01); H01H 2209/016 (2013.01);
Abstract
A protection device comprises a substrate, a fusible element, a flux and an insulating cover. The fusible element is disposed on the substrate and connects to a power line of an apparatus to be protected. The flux is disposed on the fusible element. The insulating cover is secured on the substrate to form a room for receiving the fusible element. The insulating cover has a bottom surface facing the substrate, and a plurality of protrusions are formed and distributed on the bottom surface to hold the flux in place.