ELECTROLYTE FOR ANODIC OXIDATION OF SEMICONDUCTOR COMPOUNDS BASED ON AB Russian patent published in 2017 - IPC H01L21/306 

Abstract RU 2621879 C1

FIELD: chemistry.

SUBSTANCE: electrolyte for anodic oxidation of semiconductor compounds on the basis of AIIIBV includes orthophosphoric acid and glycerin. Additionally, the electrolyte contains acetic acid at the following component ratio, wt %: orthophosphoric acid 1-20; acetic acid 46-57; glycerin is the rest.

EFFECT: electrolyte allows anodic oxidation of the surface of semiconductors AIIIBV with preservation of the integrity of the protective mask from the photoresist.

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RU 2 621 879 C1

Authors

Grebenshikova Elena Aleksandrovna

Shutaev Vadim Arkadievich

Kapralov Aleksandr Anatol'Evich

Dates

2017-06-07Published

2016-08-08Filed