Polycrystal piezoelectric device and method of producing the sam

Details Polycrystal piezoelectric device and method of producing the sam Polycrystal piezoelectric device and method of producing the sam

1991-07-17

1992-07-07

Kunemund, Robert

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

252 629, 310311, 1566191, 156DIG87, C30B 3100

Patent

active

051279827

ABSTRACT:
A polycrystal piezoelectric device consists of a plurality of crystals formed by growth of spherulites including a piezoelectric phase consisting of Li.sub.2 B.sub.4 O.sub.7. The orientation of the crystals shifts progressively over about 90 degrees between opposite sides of the device.

REFERENCES:
patent: 3998687 (1976-12-01), Ballman et al.
"Bulk-ware device of single-crystal piezoelectric substrate", Iegi et al., Jpn. Kokai Tokkyo Koho, 5 pp. (1991).

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