Arrangement for cutting information into a record carrier made o

Details Arrangement for cutting information into a record carrier made o Arrangement for cutting information into a record carrier made o

1985-12-02

1988-05-31

Stephan, Steven L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

76DIG12, 125 39, 369170, G11B 344

Patent

active

047486120

ABSTRACT:
An arrangement is disclosed for cutting information into a record carrier made of metal, particularly of copper by means of a diamond, with the diamond body being adjusted for cutting under a canting angle and being ground in such a manner that, deviating from the prior art manner, the cutting edge does not coincide with a diamond zone of optimum hardness but deviates from the optimum position by an angle which is preferably equal to the canting angle.

REFERENCES:
patent: 2187512 (1940-01-01), Capps
patent: 2530284 (1950-11-01), Capps
patent: 2544495 (1951-03-01), Franz
patent: 3184242 (1965-05-01), Marcucci
patent: 3781020 (1973-12-01), Batsch et al.
patent: 3877705 (1975-04-01), Joschko et al.
patent: 4531207 (1985-07-01), Redlich et al.
"Micromachining Videodisc Grooves and Signals", Guatrachihi et al., RCA Review, 3/82.

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