Sensor having switch function, manufacturing method thereof and electronic device having sensor built therein
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United States of America Patent
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Jan 19, 2010
Grant Date -
Feb 14, 2008
app pub date -
Mar 11, 2005
filing date -
Mar 12, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
There are provided a sensor which is small, suitable for reflow soldering by automatic cleaning and automatic mounting, can be manufactured in batch, and has a switch function, and a manufacturing method of the sensor, and a portable telephone having the sensor built therein.There are provided a sensor having a switch function, the sensor being composed of a first substrate composed of a semiconductor by which a conducting part of the switch is formed, a second substrate composed of the semiconductor by which a conducting part of the switch is formed or an insulator by which the conducting part of the switch is formed, and a moving member having conductivity, wherein any of the first substrate and the second substrate has a cavity-shaped portion and the moving member having conductivity is confined by the first substrate and the second substrate, and a manufacturing method of the sensor, and an electronic device having the sensor built therein.
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