Surface relief grating image machining process and product

Details Surface relief grating image machining process and product Surface relief grating image machining process and product

2008-05-01

2009-02-17

Bryant, David P (Department: 3726)

Gear cutting, milling, or planing

Milling

Process

C029S557000, C359S478000, C359S567000, C359S572000, C040S582000

Reexamination Certificate

active

07491021

ABSTRACT:
A product with a surface relief grating (SRG) image effect has a surface with rotational cuts effected therein to create the SRG image effect. The SRG image has an effect based on a rotational speed of a cutting tool effecting the cuts, a travel speed of a cutting tool effecting the cuts, and a depth of the cuts. A light source can be used to emit light on the surface of the product. In an SRG image machining process, a material and a cutting tool are provided. The material is contacted by the cutting tool to a predetermined depth. The cutting tool is rotated to cut the material at a predetermined rotational speed. The cutting tool is moved to cut the material at a predetermined travel speed. A SRG image effect is produced in the material through the contacting, rotating, and moving steps.

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