Back to results
US 6,617,042 B2Granted
Dielectric coating for transduction drivers
AssigneeBAE Systems Information and Electronic Systems Integration Inc.
InventorMatthew M. DeAngelis
Life of this patent
Estimating the term…
Abstract
A degassed polyester varnish is applied to the transduction driver to increase surface dielectric strength (insulation resistance), driver voltage breakdown, physical protection, and heat and water resistance. A vacuum chamber application process is used to apply the polyester varnish. The disclosed coating technique is applicable to all transducer drive materials and all transducer types.
Claims21
A coating for transduction drivers comprising:
- a first coat of degassed polyester varnish that is applied to a transduction driver under vacuum;
- a second coat of degassed polyester varnish that is applied to the transduction driver under vacuum while the first coat is still tacky;
- and
- a third coat of degassed polyester varnish that is applied to the transduction driver under vacuum after the first and second coats are cured.
1 more element
A method of coating a transduction driver, the method comprising:
- degassing a polyester varnish thereby forming a degassed polyester varnish;
- applying a first coat of the degassed polyester varnish to the driver while under vacuum;
- applying a second coat of the degassed polyester varnish to the driver while the first coat is still tacky under vacuum;
- curing the first and second coats of degassed polyester varnish;
- applying a third coat of the degassed polyester varnish to the driver under vacuum after the first and second coats are cured;
- and
- curing the third coat of degassed polyester varnish.
4 more elements
A coating for transduction drivers comprising:
- one or more coats of polyester varnish that has been degassed, wherein each coat is applied to a transduction driver under vacuum.
Dependencies are inferred from the claim text.