Method of producing a smooth plate of diamond

Details Method of producing a smooth plate of diamond Method of producing a smooth plate of diamond

1991-06-11

1993-06-22

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Optical fiber, waveguide, or preform

264 14, 264 17, 264 22, 264 39, 264 81, 264259, 264261, 423446, 20415741, 20415743, B29D 1100, B29C 3900, C23C 1600

Patent

active

052215016

ABSTRACT:
An improved method of producing transparent diamond laminates employs a substrate which is removed once a second layer is deposited over the diamond coating, thereby exposing a smooth diamond surface. The second coating should have a refractive index substantially identical to diamond, with zinc selenide and titanium dioxide being particularly preferred. Diamond films having two smooth surfaces may be produced by simultaneous deposition on parallel, opposed substrates until the two diamond films merge together to form a single film or plate, followed by removal of at least a portion of the two substrates.

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"Diamonds Out of Thin Air", The Washington Post, Aug. 19, 1990, by Ivan Ao.
"Diamond Fever", Science News, vol. 138, pp. 72-74, by Ivan Amato.
William D. Partlow et al. "CVD Diamond Coatings for the Infrared by Optical Brazing," in Applications of Diamond Films and Related Materials, (1991) pp. 163-168.

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