Method and an apparatus for machining optical components

Details Method and an apparatus for machining optical components Method and an apparatus for machining optical components

1990-07-26

1992-02-25

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041295, 204217, 204224M, 204225, B23H 508, B23H 514

Patent

active

050910671

ABSTRACT:
An apparatus and a method of machining optical components such as lens is disclosed. The apparatus comprises an optical raw stock or material, a rotatable holding shaft for holding the optical raw stock, a machining tool having a machining surface thereof held by a rotatable machining shaft and arranged opposite to a surface to be machined of the optical raw stock, an electrically conductive tool as the machining tool, an electrode arranged at a certain distance from the machining surface of the conductive tool, an electrolytic power supply source for applying a positive voltage to the conductive tool and a negative voltage therefrom to the electrode, respectively, and a coolant supplying unit having a nozzle and for spraying weakly conductive coolant between the conductive tool and the electrode, thereby performing the machining of the optical raw stock or material.

REFERENCES:
patent: 3161576 (1964-12-01), Teichner
patent: 3293162 (1966-12-01), Sullivan
patent: 3669867 (1972-06-01), Adachi
patent: 4956056 (1990-09-01), Zubatova et al.

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