Multi-functional hermetic seal for non-aqueous electrochemical cells
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United States of America Patent
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Dec 20, 1988
Grant Date -
N/A
app pub date -
Jan 25, 1988
filing date -
Jan 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved header device for use with an electrochemical cell requiring a hermetic seal between the header, the terminal pin, and the body of the cell is disclosed. A stainless steel header is sized to fit the cell body and hermetically sealed to the body. An annular glass ring is bonded to the header. Centered in and bonded to the ring is a composite, corrosion resistant terminal pin consisting of a solid central core of stainless steel surrounded on its sides and bottom by a stainless steel case. The case prevents corrosion of the pin and allows the pin to be used as either the positive or negative terminal.
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