US PATENT SUBCLASS 361 / 750
.~.~.~.~ With specific dielectric material or layer


Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

600  DF  HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS {11}
679  DF  .~ For electronic systems and devices {15}
748  DF  .~.~ Printed circuit board {4}
749  DF  .~.~.~ Flexible board {2}
750.~.~.~.~ With specific dielectric material or layer


DEFINITION

Classification: 361/750

With specific dielectric material or layer:

(under subclass 749) Subject matter wherein the flexible printed circuit board contains a particular insulating medium which intervenes between two conductors and permits electrostatic attraction and repulsion to take place across the conductors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301+, for dielectric capacitor, per se.

746, for dielectric material or layer contained in module.

762, for dielectric material or layer with printed circuit board not contained in module having housing or chassis.

795, for plural contiguous printed circuit boards not contained in module having separate layers of dielectric material.

SEE OR SEARCH CLASS 252, Compositions, appropriate subclass for fluent dielectric, per se.