MATERIAL Russian patent published in 1994 - IPC

Abstract RU 2022768 C1

FIELD: electronic and optical industries. SUBSTANCE: before application of layer of polymer in dissolvent on porous fibrous base id is additionally impregnated with strengthening solution of that polymer for depth of 0.1 - 0.35 of base thickness and it is drying under temperature of 70 - 110 C within 4 - minutes. Then it is subjected to printing under 110 - 130 C till relief surface is formed and just only after that they apply layer of polymer in dissolvent on it, then, treating it with polymer undissolvent, that fully or partially is mixing with dissolvent, they coagulate it in cell layer till relief surface appears, in sequence remove dissolvent and undissolvent and open cell of produced cell layer. EFFECT: method is used for glass and quartz polishing. 1 dwg, 1 tbl

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RU 2 022 768 C1

Authors

Gribov B.G.

Rassin A.E.

Rodionov R.A.

Kirjukhin I.A.

Shukshina V.A.

Kulik V.I.

Dates

1994-11-15Published

1992-07-23Filed