Process for manufacture of cantilever for pickup cartridge

Details Process for manufacture of cantilever for pickup cartridge Process for manufacture of cantilever for pickup cartridge

1978-09-13

1980-07-15

Hoffman, James R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 81, C23C 1304, C23C 1100

Patent

active

042128382

ABSTRACT:
A cantilever for a pickup cartridge comprising a base in the form of a solid rod or a pipe coated with a layer of a substance exhibiting a high modulus of elasticity ratio higher than 5000 Kg/mm.sup.2. The substance is for example boron or a boride. Described also is a process for manufacture of cantilevers wherein low pressure chemical vapor deposition or plasma chemical vapor deposition is used to cause the reaction between boron trichloride (BCl.sub.3) and hydrogen (H.sub.2) gases, thereby depositing boron or a boride on a base.

REFERENCES:
patent: 3549424 (1970-12-01), Rice
patent: 3811917 (1974-05-01), Diefendorf
patent: 3985917 (1976-10-01), Krukonis

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