Surface Relief Grating Image Machining Process and Product
First Claim
1. A manufacture comprising a material with a reflective machineable surface defining an array of substantially circular, overlapping grooves, arranged serially and extending centered along a line, and wherein arc lengths of adjacent grooves are parallel and are separated by substantially the same distance to form a surface relief grating that causes the three-dimensional image effect to appear within the material when exposed to a light source.
2 Assignments
0 Petitions
Accused Products
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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Citations
9 Claims
- 1. A manufacture comprising a material with a reflective machineable surface defining an array of substantially circular, overlapping grooves, arranged serially and extending centered along a line, and wherein arc lengths of adjacent grooves are parallel and are separated by substantially the same distance to form a surface relief grating that causes the three-dimensional image effect to appear within the material when exposed to a light source.
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5. A sign configuration comprising a material with a reflective machineable surface defining an array of substantially circular, overlapping grooves, arranged serially and extending centered along a line, wherein arc lengths of adjacent grooves are parallel and are separated by substantially a same distance to form a surface relief grating;
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a light source that emits light onto the surface of the material to cause a three-dimensional image effect to appear within the material. - View Dependent Claims (6, 7, 8, 9)
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Specification