Optical fine processing apparatus

Details Optical fine processing apparatus Optical fine processing apparatus

1993-03-29

1994-02-22

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204224R, 204224M, 204226, C25D 1700, C25F 700

Patent

active

052883825

ABSTRACT:
An optical fine processing apparatus for forming a structure having a high aspect ratio even on a workpiece having high heat conductivity. Light, such as a laser beam, is irradiated onto the workpiece in an electrolytic solution through a light guide to deposit a substance such as a metal or a polymer. A plurality of removal electrodes are allowed to have an electric potential for removing a part of the deposited substance. The removal electrodes are disposed in a rotation ring which is rotatable about the optical axis of the irradiating light onto the sample so as to adjust the width of a predetermined pattern to be scraped by changing the rotation angle of the removal electrodes with respect to the optical axis. By scanning the light guide and the removing electrodes above the workpiece surface, it is possible to form any desired pattern on the workpiece.

REFERENCES:
patent: 4430165 (1984-02-01), Inoue
patent: 4497692 (1985-02-01), Gelchinski et al.
patent: 4537670 (1985-08-01), Strand
patent: 4559115 (1985-12-01), Inoue
patent: 4826583 (1989-05-01), Biernaux et al.

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