Device for cutting a sound groove on a disc recording medium

Details Device for cutting a sound groove on a disc recording medium Device for cutting a sound groove on a disc recording medium

1976-10-05

1978-08-08

Stephan, Steven L.

Undertaking

361212, G11B 344

Patent

active

041052137

ABSTRACT:
A stylus for cutting a sound groove on a disc recording medium comprises a diamond body having a groove cutting part, for producing a chip cut from the disc recording medium. The stylus also includes a structure made of a material which does not readily generate static electricity when the chip is in sliding contact therewith. The non static electricity generating material is at a position on the cutting stylus body which is contacted by the chip.

REFERENCES:
patent: 2572426 (1951-10-01), Andrews
patent: 3813101 (1974-05-01), Benz
patent: 3927887 (1975-12-01), Oda et al.
patent: 3930117 (1975-12-01), Clemens et al.
patent: 3945902 (1976-03-01), Hawrylo et al.

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