Optical apparatus for dual-beam laser texturing

Details Optical apparatus for dual-beam laser texturing Optical apparatus for dual-beam laser texturing

1996-09-04

2000-05-09

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

264400, 264482, 4251744, 425385, 425810, 21912177, G11B 584

Patent

active

060595558

ABSTRACT:
A disk texturing tool is used, for example, to provide textured spots in an annular portion of both sides of a hardfile disk. Disks are moved into and out of the texturing process in cassettes, through two disk-handling stations. An optical system includes a laser directed at a beamsplitter to split the laser beam into two beams having approximately equal power, which are directed along parallel paths through a power control optics block to expose simultaneously opposite sides of a disk to be textured. The power control optics block includes means for attenuating and measuring each of the two beams. A shuttling mirror directs these two beams alternately at a disk within each of the two disk handling stations.

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Instruction Manual for Model 7300 Laser Systems, Spectra Physics, Mountain View, CA.

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