US PATENT SUBCLASS 438 / 32
.~.~ Optical grating structure

Current as of: June, 1999
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438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

22  DF  MAKING DEVICE OR CIRCUIT EMISSIVE OF NONELECTRICAL SIGNAL {12}
29  DF  .~ Including integrally formed optical element (e.g., reflective layer, luminescent material, contoured surface, etc.) {3}
32.~.~ Optical grating structure

DEFINITION

Classification: 438/32

Optical grating structure:

(under subclass 29) Process for making a semiconductor device wherein the additional optical element is a periodic latticework or screen composed of lines producing a series of spectra by the dispersion of the radiation emitted from the device.