| 摘要 |
A tilt and vibration sensor incorporating a plurality of electrodes and a conductive spherical. body which is turned on and off by the moving displacement of the spherical body, and which may be remarkably reduced in size and may have high performance and high operating sensitivity, high durability, and high reliability; and a method of manufacturing the sensor. The case (1) of the sensor comprises a case body (5) formed of a non-conductive material having such excellent gas-barrier property and heat resistance that can stop the transmission of gases which affects the on/off operation of the sensor due to the moving displacement of the conductive spherical body (4) and a cover body (7) sealing airtight the opening part (6) of the case body.
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