ETCHING AGENT FOR ASCERTAINING STRUCTURES OR NONMETALLIC MATERIALS Russian patent published in 1994 - IPC

Abstract RU 2021322 C1

FIELD: surface treatment of nonmetallic materials. SUBSTANCE: the etching agent for ascertaining the structures of nonmetallic materials comprises (wt % ): 55-60 ammonium fluoride and 40-45 acetone. EFFECT: improved properties of the etching agent. 1 tbl

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RU 2 021 322 C1

Authors

Batalin B.S.

Moskalets N.B.

Makarova L.E.

Sen'Kov A.N.

Dates

1994-10-15—Published

1991-03-11—Filed