Electrolytic timer capsule with rupturable filament anode

Details Electrolytic timer capsule with rupturable filament anode Electrolytic timer capsule with rupturable filament anode

1973-06-19

1976-03-16

Smith, Alfred E.

H01G 918

Patent

active

039448940

ABSTRACT:
Electrolytic timer capsules disclosed herein are of the type having an anode filament ruptured by electrolytic action at a known end-of-life time. These capsules are identified by a configuration of housing and electrodes that concentrates electrolytic action on a known portion of the filament anode to produce the rupture which is detectable between two extending lead terminals of the filament. Thus, the anode or cathode and surrounding electrolyte body is shaped to concentrate the electric field and ion migration patterns at the specified location at which rupture occurs. Hermetic sealing of the electrolyte within the capsule is afforded by clamping a resilient surrounding insulating body forming together with the cathode a compartment for receiving the electrolyte solution by indenting the metallic cathode electrode forming with the insulating body a hermetically-sealed, low-cost, dispensible, timer capsule.

REFERENCES:
patent: 3423644 (1969-01-01), Mintz
patent: 3564347 (1971-02-01), Peck et al.
patent: 3711751 (1973-01-01), Jones

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