Ultrasonic transducer, and ultrasonic wave generating apparatus and ultrasonic system including the same
US9459138B2 · kind B2 · utility
0Cited by
9References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 31, 2013 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Nov 19, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ultrasonic transducer, and an ultrasonic wave generating apparatus and an ultrasonic system including the same. The ultrasonic transducer includes a light-absorbing layer configured to absorb light incident on the light-absorbing layer and to generate heat based on the absorbed light; and a thermoelastic layer which is disposed on the light-absorbing layer and which is configured to thermally expand based on the heat to generate ultrasonic waves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.