This invention is a new method of fabricating concave/convex optics in which a singlestructure crystal wafer will undergo curvature due to forces created by vacuum rather than the standard compressive techniques.
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US Patent 8,557,149
- System and method for implementing enhanced optics fabrication
This method attempts to reduce the amount of residual stress and aberration that occurs by eliminating the forceful bending of such standard devices. This invention solves a difficult problem faced by those wishing to create a crystal surface, with even modest curvature, without causing non-uniform residual surface stresses.