Film production method and film-element production method

Details Film production method and film-element production method Film production method and film-element production method

2005-01-04

2005-01-04

Barr, Michael (Department: 1762)

Coating processes

Electrical product produced

Metallic compound coating

C427S100000, C427S058000, C427S402000, C427S419100, C427S419200, C427S343000, C427S376200, C427S430100, C427S443200

Reexamination Certificate

active

06838117

ABSTRACT:
A method for producing a lead ferroelectric film having high relative dielectric constant and low dielectric loss by a hydrothermal process is disclosed. The method includes the step of hydrothermally forming a ferroelectric layer on a substrate, followed by the step of hydrothermally treating the resulting film in an aqueous solution having a pH of about 5 to 7.

REFERENCES:
patent: 5886717 (1999-03-01), Satake et al.
patent: 6350486 (2002-02-01), Sakamaki et al.
patent: 6378368 (2002-04-01), Iwata et al.
patent: 6455106 (2002-09-01), Qiu et al.

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