Laminated capacitor with fuse function

Details Laminated capacitor with fuse function Laminated capacitor with fuse function

1988-06-02

1990-01-16

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

With protection or compensating means

361321, H01G 111, H01G 410

Patent

active

048947466

ABSTRACT:
A plurality of internal electrodes (17, 18) are formed in a laminated state with a respective dielectric layer (12b, 12c) held between each pair of adjacent internal electrodes to give capacitance. A pair of external electrodes (15, 16) are electrically connected to associated internal electrodes in order to connect the capacitance to external circuits. Each internal electrode comprises a capacitance forming portion (19, 22) a take-out (external connection) portion (20, 23) connected to the associated external electrode, and a fuse portion (21, 24) which electrically interconnects the capacitance forming portion and take-out portion. The fuse portion is melted earlier than the capacitance forming portion and take-out portion by the Joule heat produced when a current higher than a predetermined value flows through the fuse portion.

REFERENCES:
patent: 3236976 (1966-02-01), Rayno
patent: 4193106 (1980-03-01), Coleman
patent: 4617609 (1986-10-01), Utner et al.
patent: 4680670 (1987-07-01), Chan
patent: 4720767 (1988-01-01), Chan et al.
I.B.M. Technical Disclosure Bulletin, vol. 25, No. 8, Jan. 1983, p. 4081.

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