Non-magnetic ceramics for recording/reproducing heads and method

Details Non-magnetic ceramics for recording/reproducing heads and method Non-magnetic ceramics for recording/reproducing heads and method

1995-02-27

1997-07-15

Bonner, Melissa

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

264663, 264666, 501 89, 501 963, 501102, 501127, 501134, 501153, C04B 3500

Patent

active

056483031

ABSTRACT:
Non-magnetic ceramics for recording/reproducing heads comprising an alumina and any one of a compound selected from silicon carbide, boron carbide, zirconium carbide, titanium oxide, aluminum boride or zirconium boride, said ceramics having a Young's modulus of not smaller than 370 Gpa and a surface coarseness Ra after milling of not larger than 100 nm, and a method of producing the same.

REFERENCES:
patent: 4430440 (1984-02-01), Wada et al.
patent: 4518398 (1985-05-01), Tanaka et al.
Reed, Introduction to the Principles of Ceramic Processing, 1988, pp. 471. No month.

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