The present invention discloses a gas pendulum style level posture sensing chip and its manufacturing method and a level posture sensor. The gas pendulum style level posture sensing chip includes: a semiconductor substrate; two sets of arm thermosensitive fuses formed on the surface of the semiconductor...http://www.google.com.tw/patents/US7950161?utm_source=gb-gplus-share專利 US7950161 - Level posture sensing chip and its manufacturing method, level posture sensor
