Method of manufacturing a reflecting mirror

Details Method of manufacturing a reflecting mirror Method of manufacturing a reflecting mirror

1976-01-09

1977-07-12

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 34, 204 41, C25D 536, C25D 708, C25D 514

Patent

active

040352471

ABSTRACT:
A method of manufacturing a reflecting mirror is proposed which includes a double nickel layer plated on a stainless steel sheet as a base material. After buffing, the base material is immersed in a 4 to 9% solution of hydrochloric acid to remove any oxide thereon, thus performing a pre-treatment step. The method also features a pre-plating step which forms an initial plated nickel layer on the surface of the base material, using a bath composition comprising 150 to 300g/l of nickel chloride and 3.6 to 36g/l of hydrochloric acid. The method also includes a bright nickel plating step which employs a standard Watts bath.

REFERENCES:
patent: 915415 (1909-03-01), Cowper-Coles
patent: 2285548 (1942-06-01), Wesley
patent: 2557823 (1951-06-01), Holbrook
patent: 2878172 (1959-03-01), Scavullo
patent: 3186925 (1965-06-01), Kushner
patent: 3338803 (1967-08-01), Di Bari

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