Pressure sensor, microphone, ultrasonic sensor, blood pressure sensor, and touch panel
First Claim
1. A pressure sensor comprising:
- a support portion;
a transformable membrane part which includes a first end portion supported by the support portion, a first area positioned between a center of the membrane part and the first end portion and having a first rigidity, and a second area positioned between the first area and the first end portion where a sensor portion is not provided and having a second rigidity lower than the first rigidity; and
a first sensor portion which is provided at the first area and includes a first magnetic layer, a second magnetic layer, and a first intermediate layer provided between the first magnetic layer and the second magnetic layer,wherein a first end-side distance between the first area and the first end portion is shorter than a first center-side distance between the second area and the center of the membrane part where the first sensor portion is provided, and a sensor portion other than the first sensor portion is not provided at the second area.
1 Assignment
0 Petitions
Accused Products
Abstract
A pressure sensor of an embodiment includes a support portion, a transformable membrane part and a sensor portion. The membrane part includes an end portion supported by the support portion, and a first area and a second area. The first area is positioned between a center of the membrane part and the end portion and has a first rigidity. The second area is positioned between the first area and the end portion, and has a second rigidity lower than the first rigidity. The sensor portion is provided at the first area and includes a first magnetic layer, a second magnetic layer and a first intermediate layer provided between the first magnetic layer and the second magnetic layer. An end-side distance between the first area and the end portion is shorter than a center-side distance between the second area and the center of the membrane part.
12 Citations
20 Claims
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1. A pressure sensor comprising:
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a support portion; a transformable membrane part which includes a first end portion supported by the support portion, a first area positioned between a center of the membrane part and the first end portion and having a first rigidity, and a second area positioned between the first area and the first end portion where a sensor portion is not provided and having a second rigidity lower than the first rigidity; and a first sensor portion which is provided at the first area and includes a first magnetic layer, a second magnetic layer, and a first intermediate layer provided between the first magnetic layer and the second magnetic layer, wherein a first end-side distance between the first area and the first end portion is shorter than a first center-side distance between the second area and the center of the membrane part where the first sensor portion is provided, and a sensor portion other than the first sensor portion is not provided at the second area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A pressure sensor comprising:
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a support portion; a membrane part which has flexibility and includes a first end portion supported by the support portion, a first area positioned between a center of the membrane part and the first end portion, and a second area positioned between the first area and the first end portion where a sensor portion is not provided; and a first sensor portion which is provided at the first area and includes a first magnetic layer, a second magnetic layer and a first intermediate layer provided between the first magnetic layer and the second magnetic layer, wherein the second area includes a first portion which extends in a first direction from the center toward the first end portion and a second portion which is connected to the first portion and extends in a second direction from the first area toward the first sensor portion, and a first end-side distance between the first area and the first end portion is shorter than a first center-side distance between the second area and the center of the membrane part. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification