发明名称 Method for inspecting the skew of a magnetic head, for selectively locating a lead screw and an apparatus therefor
摘要 A method of inspecting the skew angle of the transducing gap of a magnetic head in a disk drive having a rotatable spindle, a lead screw rotatably mounted to a motor and carrying a carriage with a magnetic head affixed thereto, the magnetic head having a transducing gap that is disposed in a transducing relationship relative to bits of information on a disk and that is skewed at an angle relative to a radial line of the disk, the magnetic head serving to produce a read signal having an amplitude corresponding to the skew angle and to the acute angle of the bits. The method comprising providing a disk on the spindle, the disk including a track having bits of information recorded at a plurality of predetermined acute angles relative to a radial line of the disk, the acute angles lying in a range between a first angle in the counterclockwise direction and a second angle in the clockwise direction, rotating the disk, and monitoring the amplitude of the read signal, whereby when the amplitude corresponds to a preselected skew angle lying between the first and second angles, whereby a magnetic head having a skew angle greater than the preselected skew angle is capable of being rejected. In the apparatus, the motor is mounted to a plate which in turn is selectively positionable on a housing. By selectively moving the plate, the lead screw can be relocated such that the transducing gap is parallel to the radial line.
申请公布号 US4097908(A) 申请公布日期 1978.06.27
申请号 US19760724701 申请日期 1976.09.17
申请人 SHUGART ASSOCIATES 发明人 CHOU, ALBERT S.;BALBAS, FRANK M.
分类号 G11B5/56;(IPC1-7):G11B5/56;G11B5/43;G11B5/01 主分类号 G11B5/56
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