US PATENT SUBCLASS 438 / FOR 393
.~ Of polycrystalline semiconductor material on substrate (437/233)

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

FOR 385  DF  INCLUDING COATING OR MATERIAL REMOVAL, E.G., ETCHING, GRINDING, ETC. (437/ 225) {9}
FOR 393.~ Of polycrystalline semiconductor material on substrate (437/233) {1}
FOR 394  DF  .~.~> Semiconductor compound or mixed semiconductor material (437/234)

DEFINITION

Classification: 438/FOR.393

Of polycrystalline semiconductor material on substrate:

Foreign art collection for processes wherein a multicrystalline semiconductor material e.g., Si, Ge, GaAs, etc., is coated on a base.