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公开(公告)号：CS7905200A2
公开(公告)日：1984-02-13
申请号：CS520079
申请日：1979-07-26
Applicant: IBM
Inventor： WATROUS ROBERT B
CPC classification number: G11B5/6005
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公开(公告)号：CA1060989A
公开(公告)日：1979-08-21
申请号：CA232201
申请日：1975-07-24
Applicant: IBM
Inventor： WATROUS ROBERT B
Abstract: ACCESSING MAGNETIC HEAD ARM ASSEMBLY AND SUSPENSION A magnetic head arm assembly has a suspension for an air bearing head slider that includes a substantially rectangular flexure with two parallel flexible narrow fingers and relatively stiff crosslegs, and a central finger to which the slider is attached. A load beam is fastened to the flexure so as to engage a load protuberance formed with the central finger. Flexibility of pitch around a longitudinal axis and roll around an orthogonal axis are provided thereby. Stiffness and rigidity against radial, circumferential and yaw motions are also realized.
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公开(公告)号：BR9101444A
公开(公告)日：1991-11-26
申请号：BR9101444
申请日：1991-04-10
Applicant: IBM
Inventor： WATROUS ROBERT B
IPC: G03F1/00 , G03F7/20 , G03F7/207 , H01L21/027 , H01L21/30 , H01L21/308
Abstract: The invention provides a technique which enables projection lithography to extend to the sub-half micron range by compensating the Depth of Focus (DOF) budget lost in substrate topography with a projection of a non-planar image which is conformal to the substrate (10). The method of achieving a non-planar image field includes the formation of a mask reticle (20) which is a replica of the surface of the semiconductor (10) to be exposed, thus, eliminating substrate topography from the optical DOF budget.
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公开(公告)号：CS236764B2
公开(公告)日：1985-05-15
申请号：CS520079
申请日：1979-07-26
Applicant: IBM
Inventor： WATROUS ROBERT B
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公开(公告)号：CA1157147A
公开(公告)日：1983-11-15
申请号：CA356813
申请日：1980-07-23
Applicant: IBM
Inventor： ROOT RONALD R , WARNER MICHAEL W , WATROUS ROBERT B
Abstract: A flying magnetic head assembly includes a head suspension formed with spaced resilient sections for providing opposing angular motions, so that the head slider mounted to the suspension maintains a parallel relation to the surface of a magnetic medium, as the suspension and slider are moved aerodynamically into flying transducing relation with the medium. SA979012
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Patent Agency Ranking
公开(公告)号：CA2037707A1
公开(公告)日：1991-10-19
申请号：CA2037707
申请日：1991-03-07
Applicant: IBM
Inventor： WATROUS ROBERT B
Abstract: SA9-89-049 BIFURCATED AIR BEARING ACTUATOR ASSEMBLY FOR A DISK DRIVE SYSTEM An actuator comprises a slotted stator which is mounted in a stator frame. The stator is connected to the frame by attachment means which allows the stator to move rotationally, axially and laterally relative to the frame without distorting the dimensions of the stator. The stator has an air bearing outer surface which receives a slider. A head arm assembly is attached to the slider such that the head arm assembly may be completely positioned within the stator slot when the slider is fully retracted.
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公开(公告)号：CA1263274A
公开(公告)日：1989-11-28
申请号：CA506438
申请日：1986-04-11
Applicant: IBM
Inventor： CRAWFORD ROY P , WATROUS ROBERT B
Abstract: A pump includes a pair of circular metal bellows rigidly secured to the pump housing at the perimeter of their accordion-like ring structures and interconnected at their centers so as to he capable of flexing in phase. An electrical coil is attached to the interconnected bellows and is axially movable with the bellows. The coil is surrounded by a permanent magnet structure secured to the pump housing. Each bellows communicates with an associated fluid chamber which has a valve structure for the inlet and outlet of fluid. The coil is electrically connected to an alternating current power supply, the connection being made through the electrically conductive bellows. The bellows flex in phase in the presence of the alternating current to the coil and thus alternately pull fluid in and force fluid out of the respective fluid chambers. Since the fluid chambers are connected to a common fluid output and since the bellows axially flex: in phase, there are two pressured pulses per pump cycle.
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公开(公告)号：CS520079A2
公开(公告)日：1984-02-13
申请号：CS520079
申请日：1979-07-26
Applicant: IBM
Inventor： WATROUS ROBERT B
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公开(公告)号：CA1147854A
公开(公告)日：1983-06-07
申请号：CA347836
申请日：1980-03-17
Applicant: IBM
Inventor： WATROUS ROBERT B
Abstract: A magnetic head arm suspension assembly which supports air bearing head sliders and magnetic transducers comprises a rigid load beam coupled to a box-like arm through a spring element which has flexible legs. The load beam is seated in a recess in the arm, so that the centerlines of the load beam and of the spring are coincident. In this manner, the sliders and magnetic transducers, which are mounted to the suspension assembly, are loaded in a direction perpendicular to the planar surface of a moving storage medium and maintained in a parallel plane relative to the planar surface of the medium. SA978077
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公开(公告)号：CA1122706A
公开(公告)日：1982-04-27
申请号：CA330129
申请日：1979-06-19
Applicant: IBM
Inventor： WATROUS ROBERT B
Abstract: TRANSDUCER SUSPENSION MOUNT APPARATUS A magnetic head/arm assembly has a suspension for an air bearing head slider that includes a single piece substantially rectangular flexure with two parallel flexible narrow fingers, a relatively stiff cross leg, and a central finger to which the slider is attached. A combined load beam-spring element is formed from a single piece and is fastened to the flexure so as to engage a load protuberance formed with the central finger. The substantially triangular load beam/spring element has flanges formed along a portion of its length to concentrate the resilient spring action at the opposite end to the flexure while providing a stiffening action along the remaining portion of its length. The stiff cross leg section of the rectangular flexure is crimped to detent the central finger to keep the attached slider parallel while allowing for the load protuberance thickness to the load beam. SA9-78-038
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