US PATENT SUBCLASS 438 / FOR 105
.~.~.~ Prior to etching (156/630.1)

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

983  DF  ZENER DIODES {1}
FOR 100  DF  .~ Etching of semiconductor precursor, substrates, and devices used in an electrical function (156/625.1) {17}
FOR 104  DF  .~.~ With uniting of preforms (e.g., laminating, etc.) (156/629.1) {2}
FOR 105.~.~.~ Prior to etching (156/630.1) {2}
FOR 106  DF  .~.~.~.~> Delamination subsequent to etching (156/631.1)
FOR 107  DF  .~.~.~.~> With coating (156/632.1)

DEFINITION

Classification: 438/FOR.105

Prior to etching:

Foreign art collection for processes wherein a step of uniting of preforms is carried out prior to a step of etching.