Particulate lead titanate ceramic and composite material contain

Details Particulate lead titanate ceramic and composite material contain Particulate lead titanate ceramic and composite material contain

1987-08-20

1989-10-17

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501136, 428137, 428209, 428901, 524413, 252 629, C04B 3546

Patent

active

048747270

ABSTRACT:
A particulate lead titanate ceramic obtained by calcining a mixture containing TiO.sub.2 and PbO at 1150.degree.-1300.degree. C., the proportion of the PbO being greater than 1 mole per mole of the TiO.sub.2. A composite material having the particulate lead titanate ceramic supported in an organic substrate exhibits improved piezoelectric properties and is useful as a piezoelectric element or pyroelectric element.

REFERENCES:
patent: 4243541 (1981-01-01), Takeuchi et al.
patent: 4624796 (1986-11-01), Giniewicz et al.
patent: 4743392 (1988-05-01), Ozeki et al.

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