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. 27, 2006
Filed:
Feb. 20, 2002
Kenji Senda, Fukui, JP;
Atsushi Kono, Fukui, JP;
Kenji Senda, Fukui, JP;
Atsushi Kono, Fukui, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A thermal fuse having a quick melting property is provided. In the thermal fuse, metal layersconnected to a fusible alloyare provided at respective leading ends of a pair of metal terminals. The metal layershave larger wettability to a fusible alloythan wettability of metal terminalsand first insulating film. The area (S) of the metal layers, the length (L) and the volume (V) of the fusible alloy, the distance (L) between the leading ends of the metal terminals, and the distance (d) from the bottom face of the second insulating filmto the top face of the metal layerssatisfy the relation of Sd>V(L+L)/2L