Monolithic transducer array case and method for its manufacture
US5541468A · kind A · utility
27Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1994 |
| Grant date | Jul 30, 1996 |
| Priority date | — |
| Expiry date | Nov 21, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/32
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A monolithic transducer array case having a bottom wall which is suitable for use as an acoustic impedance matching layer in an ultrasonic transducer. The array case is made from electrically conductive material having an acoustic impedance less than the acoustic impedance of piezoelectric ceramic. The preferred material is copper-impregnated graphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.