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
| Title | Year | Author | Number |
|---|---|---|---|
| POLISHING SUSPENSION | 2017 |
|
RU2655902C1 |
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| COMPOSITION FOR OPTICAL SURFACE POLISHING | 1999 |
|
RU2181132C1 |
| POLISHING COMPOSITION | 2013 |
|
RU2540302C2 |
| OPTICAL GLASS POLISHING COMPOSITION | 2018 |
|
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| METHOD OF PRODUCING POLISH POWDER | 0 |
|
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| METHOD OF PREPARING CONCENTRATED MODIFIED POLISHING SUSPENSION | 2003 |
|
RU2246518C2 |
| METHOD OF ABRASIVE MACHINING OF ICELAND SPAR | 0 |
|
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| METHOD OF ABRASIVE TREATMENT OF METAL OPTICAL MIRRORS | 2002 |
|
RU2223850C1 |
| CERIUM OXIDE ABRASIVE AND SUBSTRATE POLISHING TECHNIQUE | 1997 |
|
RU2178599C2 |
