| 摘要 |
A well logging sonde adapted to be lowered in a wellbore which incorporates an improved shock isolation system is set forth in the preferred and illustrated embodiment. An electronic support wafer or circuit board mount within the sonde is enclosed within the outer steel case or housing. Shock mounting is achieved by imposing a spring member having oval cross section turns between the support wafer and the surrounding housing. The wafer has a shallow circumferential groove cooperatively shaped for receiving the spring member. A preferred material for the spring member is beryllium copper alloy.
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