chemically degreasing the surface of a parent substrate which is substantially optically transparent to light in the visible region of 350 to approximately 750 nanometers and which comprises {HEAD ~ a material} selected from the group consisting of {TAIL ~ an amorphous material}, a single crystal, polycrystalline materials, glass, salt materials, ceramic materials and mixtures thereof to remove hydrocarbon contamination 
chemically degreasing the surface of a parent substrate which is substantially optically transparent to light in the visible region of 350 to approximately 750 nanometers and which comprises { HEAD ~ a material } selected from the group consisting of { TAIL ~ an amorphous material } , a single crystal , polycrystalline materials , glass , salt materials , ceramic materials and mixtures thereof to remove hydrocarbon contamination
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