Design and Construction of a New Coaxial Electrical Discharge Pin

Abstract
A new design for coaxial electrical discharge pins for recording rapid transient events, e.g., motion of shock disturbances, has been developed. The method of construction involves vapor plating techniques for the deposition of the dielectric and outer conductor. The performance of these pins (``Sigma'' pins) has been measured at pressures from nearly 0 to 360 kbars. The response time (the time interval between 10 and 90% of the linear portion of the total amplitude of the signal received) of the pin is less than 0.005 μsec.

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