Plastic and nonmetallic article shaping or treating: processes – Outside of mold sintering or vitrifying of shaped inorganic... – Including plural heating steps
Patent
1984-07-23
1987-07-28
Corbin, John K.
Plastic and nonmetallic article shaping or treating: processes
Outside of mold sintering or vitrifying of shaped inorganic...
Including plural heating steps
264299, G02B 512
Patent
active
046828524
ABSTRACT:
A reflex light reflector comprising a laminate of water-insoluble layers including an internal specular-reflecting metal layer sealed between water-insoluble layers and formed in situ by vapor deposition of metal to a sufficient thickness to constitute a continuous opaque electrically conductive film, and a monolayer of microsphere lens elements of a diameter within the range of 10 to 200 microns overlying the metal layer and bonded by resinous bonding material in optical relationship thereto for reflex light reflection, wherein said metal layer is characterized by being multiply fractured in a random pattern resembling the cracking pattern of a dried mud flat such that it consists of a multiplicity of non-overlapping patches of metal, each fractionally separated from others sufficiently to render said metal layer highly resistant to electrolytic corrosion, each said patch having an area size sufficient to underlie from one up to about thirty of said lens elements, with each said patch having at least one depression therein and each said depression being optically associated with a said lens element.
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Baker Robert C.
Ben Loha
Corbin John K.
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