| http://www.w3.org/ns/prov#value | - In an alternative embodiment, substrate 16 may be a reflective material such as silicon or any other suitable material that reflects greater than approximately fifty percent (50%) of incident light having a wavelength between approximately 10 nm and 450 nm. [0031] Absorber layer 18 may be a material such as chrome, chromium nitride, a metallic oxy-carbo-nitride, where the metal is selected from th
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