Method of contouring crystal plates

Details Method of contouring crystal plates Method of contouring crystal plates

1982-12-27

1983-10-25

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156631, 156655, 156663, B44C 122, C03C 1500, C03C 2506

Patent

active

044117310

ABSTRACT:
A method of contouring crystal plates for frequency control. After plate dimensions are established, the plates are kept in a stack separated by a bonding material. The stack is immersed in an etchant which etches the exposed crystal edges in a manner which undercuts the bonding material, thus batch forming bevel contours on at least the outer portions of the major faces of each plate in the stack.

REFERENCES:
patent: 3864111 (1975-02-01), Kemp
patent: 3951728 (1976-04-01), Egashira et al.

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