Ultrasonic transducer and manufacture method thereof
US10134973B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2015 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Jun 3, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present application relates to the technical field of transducer, it provides an ultrasonic transducer and the manufacture method therefore. The ultrasonic transducer comprises: a piezoelectric layer for radiating sound signal forward or backward, each side thereof being plated with an electrode; a matching layer arranged in the front of the piezoelectric layer and suitable for sending the forward sound signal; a tuning layer arranged on the back of the piezoelectric layer, wherein the piezoelectric layer is disposed between the tuning layer and the matching layer; a backing layer for absorbing the backward sound signal from the piezoelectric layer, wherein the backing layer is arranged against the piezoelectric layer on the tuning layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.