US PATENT SUBCLASS 257 / 534
.~.~.~ With means to increase surface area (e.g., grooves, ridges, etc.)

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

499  DF  INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS {9}
528  DF  .~ Passive components in ICs {4}
532  DF  .~.~ Including capacitor component {3}
534.~.~.~ With means to increase surface area (e.g., grooves, ridges, etc.)

DEFINITION

Classification: 257/534

With means to increase surface area (e.g., grooves, ridges, etc.):

(under subclass 532) Subject matter wherein the device includes means to increase the surface area of the device by, for example, grooves or ridges in the surface of the device.