Coating blade for microtome and method for the preparation there

Details Coating blade for microtome and method for the preparation there Coating blade for microtome and method for the preparation there

1988-02-09

1989-06-13

Pianalto, Bernard

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427377, B05D 306

Patent

active

048391956

ABSTRACT:
A microtome blade made of, for example, sapphire is imparted with greatly improved cutting power as well as durability and anti-corrosion resistance by providing a coating layer of diamond thereon. Such a coating layer can be formed by subjecting a base blade to a treatment of plasma-induced chemical vapor deposition of diamond in an atmosphere of a gaseous mixture of a hydrocarbon compound and hydrogen followed by a heat treatment at 700.degree.-1300.degree. C. to expel any adsorbed impurities in the diamond layer.

REFERENCES:
patent: 4416912 (1983-11-01), Bache
patent: 4485706 (1984-12-01), Disharoon
patent: 4504519 (1985-03-01), Zelez
patent: 4629373 (1986-12-01), Hall

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