Printed circuit board circuit control device
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United States of America Patent
Stats
-
May 9, 1995
Grant Date -
N/A
app pub date -
Apr 22, 1994
filing date -
Apr 22, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circuit control device includes two intermating foil pads separated from one another by a narrow gap having a maximum dimension of 0.006 inches. A circuit path having one side connected to one of the pads and a second side connected to the other of the pads is selectively closed and opened by solder application and removal operations. Interdigitated, triangular fingers which are intermated to form the device ensure the formation of acutely angled junctures along the gap to ensure solder bridging of the gap. Emergency control elements are coupled to the circuit control device to permit control of an associated circuit path if the circuit control device itself fails. In that event, an emergency control device is coupled to the emergency control elements to control opening and closing of the circuit path.
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