Method for strengthening PZT transducers
US4124671A · kind A · utility
4Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1975 |
| Grant date | Nov 7, 1978 |
| Priority date | — |
| Expiry date | Nov 25, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/491
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for strengthening lead zirconate-lead titanate ceramic transducers hich comprises heating the transducer at a temperature from 900.degree. C to 1000.degree. C in a nonreducing atmosphere containing at least 20 volume percent of oxygen for at least one hour.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.