Sensor having switch function, manufacturing method thereof and electronic device having sensor built therein
First Claim
1. A sensor having a switch function manufactured by using a semiconductor integrated circuit technology, comprising:
- a first substrate made from a semiconductor material on which a conducting part of the switch is formed;
a second substrate made from a semiconductor material or an insulating material on which a conducting part of the switch is formed; and
a moving member made from a conducting material;
whereineither the first or the second substrate has a cavity-shaped portion on a surface of which the conducting part is formed;
the conducting part of either the first or the second substrate forms a flat surface electrode; and
the moving member is movably held between the first and the second substrate;
whereinthe conducting part of the first or the second substrate having the cavity-shaped portion forms;
a cavity-shaped electrode along a side surface part and a flat surface part of the cavity-shaped portion;
a side surface electrode and a flat surface electrode on the side surface part and the flat surface part respectively;
the side surface electrode only;
orthe flat surface electrode only;
whereineach of the cavity-shaped electrode, the side surface electrode or the fiat surface electrode contains an electrode extraction part;
whereinthe electrode extraction part formed on the semiconductor includes a diffusion layer; and
the conducting part of the first or the second substrate not having the cavity-shaped portion holding the moving member forms;
the flat surface electrode having an electrode extraction part;
orthe flat surface electrode only.
1 Assignment
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Accused Products
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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Citations
12 Claims
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1. A sensor having a switch function manufactured by using a semiconductor integrated circuit technology, comprising:
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a first substrate made from a semiconductor material on which a conducting part of the switch is formed; a second substrate made from a semiconductor material or an insulating material on which a conducting part of the switch is formed; and a moving member made from a conducting material;
whereineither the first or the second substrate has a cavity-shaped portion on a surface of which the conducting part is formed; the conducting part of either the first or the second substrate forms a flat surface electrode; and the moving member is movably held between the first and the second substrate;
whereinthe conducting part of the first or the second substrate having the cavity-shaped portion forms; a cavity-shaped electrode along a side surface part and a flat surface part of the cavity-shaped portion; a side surface electrode and a flat surface electrode on the side surface part and the flat surface part respectively; the side surface electrode only;
orthe flat surface electrode only;
whereineach of the cavity-shaped electrode, the side surface electrode or the fiat surface electrode contains an electrode extraction part;
whereinthe electrode extraction part formed on the semiconductor includes a diffusion layer; and the conducting part of the first or the second substrate not having the cavity-shaped portion holding the moving member forms; the flat surface electrode having an electrode extraction part;
orthe flat surface electrode only. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification