(under subclass 58) Processes for coating processes producing an electrical article having piezoelectric properties (i.e., the property of producing voltage under mechanical stress or vice versa).
SEE OR SEARCH CLASS
29, Metal Working,
25.35, for processes of making a piezoelectric device.
252, Compositions,
62.9, for piezoeletric compositions.
310, Electrical Generator or Motor Structure, 311+, for piezoelectric devices.
367, Communications, Electrical: Acoustic Wave Systems and Devices,
157+, for piezoelectric devices for use underwater.
