US PATENT SUBCLASS 438 / 799
.~ By differential heating

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

795  DF  RADIATION OR ENERGY TREATMENT MODIFYING PROPERTIES OF SEMICONDUCTOR REGION OF SUBSTRATE (E.G., THERMAL, CORPUSCULAR, ELECTROMAGNETIC, ETC.) {3}
799.~ By differential heating

DEFINITION

Classification: 438/799

By differential heating:

(under subclass 795) Process involving the nonuniform heating of a semiconductive substrate to modify the properties of semiconductor regions thereof.

SEE OR SEARCH CLASS

250, Radiant Energy,

492.22, for a method of controlling the pattern of irradiation incident upon a semiconductor substrate and subclass 492.23 for method of variably impinging radiation upon a semiconductor substrate.