A FEW CHEMICAL METHODS OF DETECTING THE CONDUCTIVITY TYPE OF SEMICONDUCTORS,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Several methods are given for determining the type of conductivity and location of P-N junctions in silicon and germanium semiconductors. These techniques are Staining with HF staining with HF-HNO3 preferential precipitation of Cu preferential precipitation of Au preferential precipitation of Ag Electrolytic action anodic etching.