Semiconductor acceleration sensor and manufacturing method thereof
First Claim
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1. A semiconductor acceleration sensor comprising:
- a central board having a movable electrode section;
an outside board having a stationary electrode section; and
a sealing insulating section for joining the central board and the outside board which are laminated on each other, wherein the sealing insulating section has an insulating layer, a conductive layer on the insulating layer, and a sealing layer on the conductive layer.
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Abstract
A semiconductor acceleration sensor including a central board having a movable electrode section, an outside board having a stationary electrode section, and a sealing insulating section for joining the central board and the outside board which are laminated on each other, wherein the sealing insulating section has a conductive layer, and the conductive layer is a sealing member or an anodic bonding electrode.
54 Citations
7 Claims
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1. A semiconductor acceleration sensor comprising:
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a central board having a movable electrode section; an outside board having a stationary electrode section; and a sealing insulating section for joining the central board and the outside board which are laminated on each other, wherein the sealing insulating section has an insulating layer, a conductive layer on the insulating layer, and a sealing layer on the conductive layer. - View Dependent Claims (2, 3, 4)
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5. A method of manufacturing a semiconductor acceleration sensor which comprises a central board having a movable electrode section, an outside board having a stationary electrode section and a sealing insulating section having a conductive layer, wherein the central board, the outside board, and the sealing insulating section are laminated and joined on each other, comprising the step of:
- laminating the central board on the outside board and subjecting the central board and the outside board to an anodic-bonding, wherein the conductive layer is used as an anodic-bonding electrode.
- View Dependent Claims (6, 7)
Specification