Geometrical instruments – Gauge – Surface plate or gauge block
Patent
1984-07-30
1988-04-26
Haroian, Harry N.
Geometrical instruments
Gauge
Surface plate or gauge block
29603, 33168R, G01B 330
Patent
active
047395621
ABSTRACT:
A method and article of manufacture allows great accuracy in machining the edge of a face on a prism to a predetermined position respective a feature carried on the face and formed by deposition of insulating material. The preferred application for this invention is in accurately machining the transducing surface of a disk memory transducer assembly so that the throat height of the thin-film head carried on an end face of the assembly has a precise value.
REFERENCES:
patent: 3821815 (1974-06-01), Abbott et al.
patent: 4014141 (1977-03-01), Riddle et al.
patent: 4511942 (1985-04-01), Valstyn
Keel Beat G.
Kracke Alan G.
Tran Tuan P.
Genovese Joseph A.
Haroian Harry N.
Magnetic Peripherals Inc.
Schwarz Edward L.
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