Manufacturing method of inertial sensor and inertial sensor
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Nov 11, 2015
filing date -
Nov 14, 2014
priority date (Note) -
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Abstract
A manufacturing method of an inertial sensor which includes a movable body that is disposed in a cavity formed by a base body and a lid, and in which a wiring groove of wiring communicating with the cavity and electrically connected to the movable body is formed in the base body, includes forming a first opening section, which does not penetrate through the lid by wet etching; accommodating the movable body in the cavity by bonding the base body and the lid; forming a first sealing material with which the wiring groove is sealed after the accommodating of the movable body; forming a through-hole communicating with the cavity by penetrating through the first opening section by dry etching after the forming of the first sealing material; and forming a second sealing material with which the through-hole is sealed.
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