Robot system
US-2018243902-A1 · Aug 30, 2018 · US
Sensor element, force detecting device, robot and sensor device
US9102067B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9102067-B2 |
| Application number | US-201213669879-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 6, 2012 |
| Priority date | Nov 8, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A sensor element includes a piezoelectric substrate made of a trigonal single crystal and an electrode arranged on the piezoelectric substrate. The substrate surface of the piezoelectric substrate includes an electrical axis of crystal axes. An angle θ formed by the substrate surface and a plane including the electrical axis and an optical axis of the crystal axes is 0°<θ<20°.
First claim
Opening claim text (preview).
What is claimed is: 1. A sensor element comprising: a piezoelectric substrate made of a trigonal single crystal having crystal axes; a first electrode on a first surface of the piezoelectric substrate; and a second electrode on a second surface, the first and second surfaces being on opposite sides of the piezoelectric substrate, wherein the first surface of the piezoelectric substrate includes an electrical axis, a mechanical axis, and an optical axis of the crystal axes, a…
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Classifications
Physics · mapped topic
- B25J19/028Primary
Operations & Transport · mapped topic
Physics · mapped topic
- G01L1/16Primary
Physics · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9102067B2 cover?
- A sensor element includes a piezoelectric substrate made of a trigonal single crystal and an electrode arranged on the piezoelectric substrate. The substrate surface of the piezoelectric substrate includes an electrical axis of crystal axes. An angle θ formed by the substrate surface and a plane including the electrical axis and an optical axis of the crystal axes is 0°<θ<20°.
- Who is the assignee on this patent?
- Seiko Epson Corp
- What technology area does this patent fall under?
- Primary CPC classification B25J19/028. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).