Stratified particle absorber
US4381470A · kind A · utility
14Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1980 |
| Grant date | Apr 26, 1983 |
| Priority date | — |
| Expiry date | Dec 24, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/165
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The base for an array of piezoelectric crystals contains tungsten particles that are compression-molded in a binder, the size of the particles at and near the surface on which the crystals are mounted being smaller than the size of the particles remote from the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.