SUSPENSION FOR POLISHING GERMANIUM CRYSTALS Russian patent published in 2023 - IPC C09G1/02 C01G49/06 

Abstract RU 2809530 C1

FIELD: polishing product.

SUBSTANCE: invention is related to production of polishing compositions for treating the surfaces of optical parts made of germanium crystal. A suspension for polishing germanium crystals is proposed, containing in wt.%: 3-5 cerium oxide, 45-55 aluminum oxide, 2-3 ferric oxide and the rest is water.

EFFECT: high quality of the processed surface and reduction of the total time for polishing germanium crystals when using the proposed suspension.

1 cl, 2 tbl, 1 ex

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RU 2 809 530 C1

Authors

Svistunova Alisa Aleksandrovna

Gurin Nikita Andreevich

Dates

2023-12-12Published

2022-06-27Filed