Drill bit having diamond film cutting surface

Details Drill bit having diamond film cutting surface Drill bit having diamond film cutting surface

1989-09-22

1990-12-11

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175410, E21B 1046, E21B 1052

Patent

active

049763245

ABSTRACT:
An improved diamond drill bit is provided which has a diamond film cutting surface. The drill bit comprises a body member and a plurality of cutting members, each including a diamond cutting face formed from a diamond substrate coated with a diamond film.

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Spitsyn, B. V., L. L. Bouilov & B. V. Derjaguin, "Vapor Growth of Diamond on Diamond and Other Surfaces", Journal of Crystal Growth 52 (1981), pp. 219-226, North-Holland Pub. Co.

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