Metal working – Piezoelectric device making
Patent
1976-06-07
1978-08-29
Hall, Carl E.
Metal working
Piezoelectric device making
310359, 310360, H01L 4122
Patent
active
041093593
ABSTRACT:
Ferroelectric crystals and ceramics prepared with tailored domain patterns hich are selected to enhance or suppress certain modes of vibration which may include those normally unattainable such as, for example, second harmonics.
REFERENCES:
patent: 3773898 (1973-11-01), Aizu et al.
patent: 3799648 (1974-03-01), Flippen
patent: 3851192 (1974-11-01), Flippen et al.
patent: 3921154 (1975-11-01), Barkley
patent: 3936146 (1976-02-01), Kumada et al.
Cross Leslie E.
Newnham Robert E.
Hall Carl E.
Sciascia R. S.
Shrago L. I.
The United States of America as represented by the Secretary of
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