Microelectrode and assembly for parallel recording of neurol groups
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United States of America Patent
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Jul 24, 1984
Grant Date -
N/A
app pub date -
Nov 5, 1979
filing date -
Nov 5, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multi-microelectrode has a plurality of sensing elements formed in a linear array along a face of a metal foil substrate. The foil substrate is sufficiently rigid and tough to have a very small volume along a needle length yet support the array of sensing elements and their leads. The preferred substrate materials are tungsten and molybdenum. The leads are insulated from the substrate and from the surrounding environment. A multi-microelectrode is supported in a microelectrode assembly by a connector which includes a guide channel on a support plate. Electrical contacts which may be conformable to the microelectrode are located in the guide channel, and the microelectrode is clamped against those contacts.
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