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Patent Searching and Data


Title:
CAPACITOR WITH PROTECTION DEVICE
Document Type and Number:
Japanese Patent JPH10189380
Kind Code:
A
Abstract:

To provide a capacitor with protection device that can be manufactured easily, can be automated easily, has a high yield, and is safe, and its manufacturing method.

A capacitor 37 with protection device is sealed by a lid 9 for outer side with terminals 32a and 32b for outer part while a capacitor element 1 is accommodated in a case 4, has a lid 8 for inner side with terminals 16a and 16b for inner part between the lid 9 for outer side and the capacitor element 1, allows the terminal for outer part and that for inner part to be connected, at the same time has mechanically weak parts 18a and 18b at either terminal, and cut the terminal for outer part or the terminal for inner part at a weak part due to the increase in pressure in the case 4. In this case, the recessed parts 36a and 36b are provided at either the terminal for outer part or that for inner part, and projecting parts 19a and 19b with an outer diameter that is longer than the inner diameter of the recessed part and the weak parts are provided at the other terminal, and at the same time the weak parts are arranged at the position of the lid for outer side or that for inner side.


Inventors:
YAMAGUCHI SEIJI
Application Number:
JP1996000357678
Publication Date:
July 21, 1998
Filing Date:
December 27, 1996
Export Citation:
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Assignee:
HITACHI AIC INC
International Classes:
H01G2/18; (IPC1-7): H01G2/18