US PATENT SUBCLASS 307 / 91
.~ Magnetic or electrostatic field control (e.g., shielding)


Current as of: June, 1999
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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

89  DF  ANTI-INDUCTION OR COUPLING TO OTHER SYSTEMS {2}
91.~ Magnetic or electrostatic field control (e.g., shielding)


DEFINITION

Classification: 307/91

(under subclass 89) Subject matter having means for controlling a magnetic or electrostatic field.

(1) Note. This subclass relates, for example, to systems having shielding means for preventing the radiation of a magnetic or variable electrostatic field.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),

508, for an integrated circuit with a metal shield layer, subclasses 659 and 660 for electromagnetic energy shielding of such devices, and subclass 662 for devices of this type with transmission line shielding.