Process for producing miniature piezoelectric devices using lase

Details Process for producing miniature piezoelectric devices using lase Process for producing miniature piezoelectric devices using lase

1987-05-05

1989-04-11

Paschall, M. H.

Electric heating

Metal heating

By arc

219121LM, 219121LJ, 219121LA, 21912161, 21912169, 21912185, 29 2535, 310311, 310367, B23K 2600

Patent

active

048208973

ABSTRACT:
Process for the production of miniature piezoelectric devices using machining by laser and devices obtained by this process.
The piezoelectric material formed by lithium niobate or lithium tantalate is cut by means of the laser.
Application to the production or resonators and filters, which can be used in electronics.

REFERENCES:
patent: 3629545 (1971-12-01), Graham
patent: 3899428 (1975-08-01), Avston et al.
patent: 4109359 (1978-08-01), Cross et al.
patent: 4131484 (1978-12-01), Caruso et al.
patent: 4224547 (1980-09-01), Miller
patent: 4243300 (1981-01-01), Richards et al.
patent: 4355457 (1982-10-01), Barlett et al.
patent: 4388146 (1983-06-01), Ballato
patent: 4468582 (1984-08-01), Fujiwara et al.
patent: 4583063 (1986-04-01), Milsom
American Ceramic Bulletin--"Scribing Glass with Pulsed and Q-Switched CO2 Laser"--, vol. 52, #11, 11/1973.
Patent Abstracts of Japan, vol. 4, No. 181(E-37)(633), Dec. 13, 1980 and JP-A-55 124 282 (Matsushita Denki Sangyo K.K.) (25-09-1980).

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