Coated blade for microtome and method for the preparation...

Details Coated blade for microtome and method for the preparation... Coated blade for microtome and method for the preparation...

C - Chemistry, Metallurgy

23

C

204/96.31

C23C 14/06 (2006.01) C23C 14/24 (2006.01) C23C 14/58 (2006.01) C23C 16/32 (2006.01) C23C 16/56 (2006.01) G01N 1/06 (2006.01)

Patent

CA 1278274

ABSTRACT OF THE DISCLOSURE A microtome blade made of, for example, sapphire is provided with greatly improved cutting power as well as dura- bility and anti-corrosion resistance by providing a coating layer of crystalline silicon carbide thereon. Such a coating layer can be formed by subjecting a base blade to a treat- ment of plasma-induced chemical vapor deposition of amorph- ous silicon carbide in an atmosphere of an organosilane com- pound such as tetramethyl disilane followed by a heat treat- ment at 700-1250 °C to convert the amorphous silicon carbide into a crystalline form.

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