Method of chemically polishing quartz crystal blanks

C - Chemistry – Metallurgy – 03 – C

Patent

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149/17

C03C 15/00 (2006.01) C30B 33/00 (2006.01)

Patent

CA 1245956

ABSTRACT OF THE DISCLOSURE Quartz crystal blanks are chemically polished by thoroughly cleaning the blanks, treating the quartz crystal blanks with an etching solution at high pressures in a high pressure vessel while agitating to circulate the etchant and maintaining a uniform temperature throughout the etching solution, cooling the vessel, removing the quartz crystal blanks, rinsing thoroughly with water and spinning dry.

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