Patent application number | Description | Published |
20090073610 | Magnetic head slider and magnetic disk drive - Embodiments of the present invention provide a magnetic head slider having a surface that is formed into a multiple step configuration to stabilize flying of the slider. According to one embodiment, a magnetic head slider has an air bearing surface including surfaces in three stages different in height from one another. An outflow side rail surface and inflow side rail surfaces, in a first stage are approximately the same in height. A rear step bearing surface, front step bearing surface, and side step bearing surfaces and, which are in a second stage, are shallow step surfaces being approximately the same in height, and being formed lower than the surfaces in the first stage. A deep cavity surface is formed further lower than the surfaces in the second stage. A film for preventing adhesion of organic contaminants and a lubricant is formed on the shallow step surfaces, and in the second stage. | 03-19-2009 |
20090109573 | DISK DRIVE AND HEAD SLIDER - Embodiments of the present invention provide a head slider that suppresses accumulation of lubricant droplets on an air-bearing surface due to a backflow, and thus improves reliability of a disk drive. According to one embodiment, a lubricant droplet being adhered to a head slider and accumulated thereon, which are caused by extremely low flying height of the head slider, are prevented from falling onto a recording medium. When velocity of a recording medium at a position where the head slider faces the recording medium is assumed to be v, step depth δ | 04-30-2009 |
20110058275 | DISK DRIVE INCLUDING HEAD-SLIDER CONFIGURED TO SUPPRESS LUBRICANT DROPLET ACCUMULATION - A disk drive. The disk drive includes a disk and a head-slider. The head-slider includes an air-bearing surface. The air-bearing surface includes a trailing-edge rail surface, an inner trailing-edge pad, and an outer trailing-edge pad. The pad surface of the outer trailing-edge pad includes a straight outer edge slanting outward; and, the angle of the outer edge with respect to the longitudinal direction of the head-slider is β | 03-10-2011 |
20110122531 | HARD-DISK DRIVE WITH VAPOR-PHASE LUBRICANT SUPPLY SYSTEM - A hard-disk drive. The hard-disk drive includes a disk enclosure, a magnetic-recording disk accommodated in the disk enclosure, and a diffusion suppressing film. The diffusion suppressing film divides the space in the disk enclosure into a first space where the magnetic-recording disk is disposed and a second space for retaining a lubricant. The diffusion suppressing film also suppresses diffusion of the lubricant from the second space to the first space. | 05-26-2011 |
20120120528 | NOISE AND PARTICLE SHIELD FOR CONTACT SENSOR IN A SLIDER - A slider comprising a contact sensor element configured to respond to a change in resistance due to a change in temperature, and a shield structure. The shield structure comprises a lower thermal conductivity than the contact sensor element and a greater hardness than the contact sensor element. | 05-17-2012 |
Patent application number | Description | Published |
20080259502 | MAGNETIC HEAD SLIDER - A magnetic head slider has a recess portion recessed with respect to the center rail. The recess portion has a spherical or oval-spherical projection, which includes a read element and a write element disposed in the recess portion. The recess portion may prevent increasing flying height of a slider base due to projection height h may be suppressed, and may secures higher air film stiffness, so that consequently flying stability of the slider may be improved. | 10-23-2008 |
20080297949 | Head slider - When a piezoelectric element is deformed in the direction of decreasing a flying height, a pressure at a trailing pad increases, and the flying height of a magnetic head is not efficiently decreased and may be increased conversely in some occasions. | 12-04-2008 |
20100097716 | HEAD SLIDER, HEAD ASSEMBLY, AND MAGNETIC DISK DEVICE - Provided is a head slider that can heat a recording medium with a simple structure. In the head slider ( | 04-22-2010 |
20100309585 | HEAD SLIDER AND MAGNETIC DISK DEVICE - A head slider is capable of restricting deformation of a medium-facing surface, and includes heat generating elements located at a distance from a read/write head in a Y direction corresponding to the radial direction of a disk medium. A width of the heat generating element in a Z direction is smaller than the widths in the X and Y directions. | 12-09-2010 |
20110242524 | FLAT SURFACE INSPECTION APPARATUS - An object is to provide a flat surface inspection apparatus that can prevent sliders from being damaged and detect micro defects. A flat surface inspection apparatus includes: a measured subject; a stage that supports the measured subject; a spindle that rotates the stage; a first part having light sources applying light beam onto the measured subject, a scattered-light-detecting section, a signal processing section that converts the scattered light into information about a first defect, and a first memory section that stores therein the information about the first defect; and a second part having sliders mounted with a contact sensor that detects a second defect smaller than the first defect, a loading/unloading mechanism that flies the slider over the measured subject, a slider control section that controls the loading/unloading mechanism based on the information about the first defects and second defects. | 10-06-2011 |
20110242954 | MAGNETIC HEAD SLIDER INSPECTION DEVICE - A magnetic head slider inspection device including a motor unit for revolving a disk medium, a slider unit provided with a reproducing head, which is levitated from a surface of the disk medium under force generated by the revolving disk medium, a magnetic field generator positioned at an opposite side of the disk medium with respect to the slider unit for generating a magnetic field substantially perpendicular to the disk medium surface, and a circuit unit for generating the magnetic field from the magnetic field generator, and measuring a resistance value of the reproducing head levitated from the disk medium surface. | 10-06-2011 |
20110299188 | MAGNETIC HEAD SLIDER AND MAGNETIC DISK DRIVE - A magnetic head slider having a thermal microactuator capable of efficiently transmitting thermal expansion displacement in the vicinity of a heating element to the region of a read/write element and thereby enabling high-speed displacement response is realized. The magnetic head slider comprises a slider substrate and a thin film stack part formed on the slider substrate. The thin film stack part includes a read/write element for reading and writing data and one or more heating elements arranged on one side or on each side of the read/write element in regard to a direction corresponding to the track width direction for generating heat in response to energization. Further, a low Young's modulus layer (made of a material having a low Young's modulus or void) is arranged between the slider substrate and the thin film stack part. | 12-08-2011 |
20130155400 | METHOD AND DEVICE FOR INSPECTING FOR DEFECTS - A defect inspecting method is provided which comprises a pre-scan defect inspecting process including a pre-scan irradiating step for casting irradiation light onto the surface of a sample, a pre-scan detecting step for detecting the scattered lights, and a pre-scan defect information collecting step for obtaining information on preselected defects present on the sample surface on the basis of the scattered lights; a near-field defect inspecting process including a near-field irradiating step in which the distance between the sample surface and a near-field head is adjusted so that the sample surface is irradiated, a near-field detecting step for detecting near-field light response, and a near-field defect information collecting step for obtaining information on the preselected defects on the basis of the near-field light response; and a merging process for inspecting defects present on the sample surface by merging the pieces of information on the preselected defects. | 06-20-2013 |