US PATENT SUBCLASS 438 / 923
.~ Diffusion through a layer

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

914  DF  DOPING {11}
923.~ Diffusion through a layer

DEFINITION

Classification: 438/923

Diffusion through a layer:

Art collection under 914 involving diffusing a dopant in a perpendicular manner through a layer of material.