Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-7,508,631 Silicon-made magnetic head slider
In a magnetic disk device, cost reduction is designed by improving productivity, and increase in recording density and increase in capacity of the device or size...
US-7,508,630 Thin film magnetic head and method of manufacturing the same
The present invention provides a method of manufacturing a thin film magnetic head, capable of easily manufacturing a thin film magnetic head with high...
US-7,508,629 Magnetic head for perpendicular magnetic recording that has a structure to suppress protrusion of an end...
A magnetic head comprises a pole layer, a shield layer, a gap layer disposed between the pole layer and the shield layer, and a coil. The shield layer...
US-7,508,628 Winged pole and shield structure for reducing stray field in a perpendicular write head
A magnetic structure for use in a magnetic recording head, the structure having improved resistance to stray field writing. The magnetic structure can be for...
US-7,508,627 Method and system for providing perpendicular magnetic recording transducers
A method and system for providing a magnetic recording transducer are disclosed. The method and system include providing a metallic underlayer directly on a...
US-7,508,626 Thin film magnetic head having magnetic pole with controlled dimensions
The present invention provides a thin film magnetic head in which a magnetic domain structure of a magnetic pole layer is controlled and fluctuation in recording...
US-7,508,625 Magnetic recording device
A magnetic recording device which can write magnetic information with high density. The device uses, for a magnetic recording layer of a magnetic recording...
US-7,508,624 Transducers for perpendicular recording with write pole tip angled toward media
A write pole tip for a magnetic head has a trailing edge that is closer than a leading edge to a perpendicular recording medium, so that the write signal...
US-7,508,623 Multi-purpose flow control device comprised in a data storage device
A device includes a first partial, circular shroud which includes an upstream shroud portion and a downstream shroud portion; an upstream slot panel, defining an...
US-7,508,622 Electronic data connector of data storage cartridge and associated read/write device
A data storage cartridge comprising a hard drive and a cartridge housing. The hard drive includes a non-tape storage medium and an electronic data connector...
US-7,508,621 Magazine-based data cartridge library
The present invention provides a magazine-based data cartridge library that, in one embodiment, comprises a plurality of shelves that are capable of holding a...
US-7,508,620 Disk apparatus, information processing system, and information providing apparatus
A storing unit stores first correction information for correcting a distortion synchronized with a rotation frequency of servo information of a first disk. A...
US-7,508,619 Magnetic head and magnetic disc drive
Embodiments in accordance with present invention provide a magnetic head and a magnetic disc drive capable of preventing a side erase while providing excellent...
US-7,508,618 Multivariate head-to-disk contact detection
Magnetic disk drive systems and associated methods are described for precisely detecting contact of read/write elements of a recording head with a magnetic disk...
US-7,508,617 Fly height compensation using read gain control loop
Apparatus and methods are disclosed that regulate head fly height so as to compensate for variation in height of a disk surface. An exemplary apparatus includes...
US-7,508,616 Regulating data writes responsive to head fly height
Write commands through a read/write head are regulated in response to head fly height. The head fly height is determined, and the rate at which the write command...
US-7,508,615 Method of controlling movement of a transducer and disk drive using same
A method and apparatus for controlling movement of a transducer to limit its stopping time at a certain position of a disk regardless of whether the disk drive...
US-7,508,614 Data storage drive having movement sensors
A drive for data storage includes a first component and a second component movable with respect to the first component. The drive also includes a first sensor...
US-7,508,613 Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read heads
A symmetrical read element circuit for reducing electrical and magnetic noise using signal processing, such as a differential preamplifier. The circuits are...
US-7,508,612 Asperity data storage system, method and medium
An asperity data storage system wherein asperities are used to represent stored data. The asperity data storage system includes an asperity transducer that...
US-7,508,611 Disk drive clock circuit that adjusts clock edge timing in response to servo information and methods thereof
A disk drive clock circuit includes a servo clock generator and a disk locked frequency converter. The servo clock generator generates a servo clock signal in...
US-7,508,610 Method and apparatus for recording servo frame, storage disk, and method and apparatus for obtaining servo...
A servo-frame recording apparatus includes: a sector information rearranging section for rearranging serial bits of the sector information that is binary data; a...
US-7,508,609 Formatted storage media providing space for encrypted text and dedicated space for clear text
A storage library is provided for formatting a mobile data storage element, such as a tape, with a first space dedicated for clear text or text as received by a...
US-7,508,608 Lithographically fabricated holographic optical identification element
A method for fabricating an optical identification element is provided, wherein a removable plate or substrate having photosensitive material fabricated thereon,...
US-7,508,607 Optical film
An optical film includes a first film member, a second film member and a connecting member integrally joining the first film member and the second film member....
US-7,508,606 Method of aligning the upper and lower centering bells of a lens doublet assembly machine
A method for aligning the upper and lower centering bells of a lens doublet assembly machine is provided. In one example of the method, the method includes...
US-7,508,605 Zoom lens unit and image pickup device
There is provided a zoom lens unit excellent in shock resistance and space-saving. Second, third lens holders 29, 30 have shaft holes, into which shafts 27, 28...
US-7,508,604 Optical lens and optical lens manufacturing method
The manufacturing method uses a substrate including an SOI layer (112), a SiO.sub.2 layer (114) and a Si layer (116). A lens surface (118) is formed on the...
US-7,508,603 Lens shift mechanism
Disclosed herein is a lens shift mechanism which enables vertical movement of a lens attached to a first member by attaching the first member to a second...
US-7,508,602 Optical assembly with removable section
An optical assembly (16) for a precision apparatus (10) includes an optical element (234) and a housing (230) that defines a housing cavity (244). The housing...
US-7,508,601 Imaging lens
An imaging lens includes, in order from an object side, a first lens with a positive refractive power having a biconvex shape; an aperture stop having a...
US-7,508,600 Optical system and optical apparatus including the same
An optical system includes at least one of a movable lens unit movable in an optical axis direction and a fixed lens unit that is not movable in the optical axis...
US-7,508,599 Optical system with wavelength selecting device
The object is to provide an optical system with a wavelength selecting device. According to one aspect of the present invention, an optical system with a...
US-7,508,598 Apparatus for measuring aerial images produced by an optical lithography system
At least one exemplary embodiment is directed to detection aperture array which includes a shield layer; and a plurality of apertures, where the plurality of...
US-7,508,597 Compact wide-angle imaging lens system
A compact wide-angle imaging lens system includes, in order from the object side to the image side, a first lens (1) of negative refractive power, a free-form...
US-7,508,596 Objective lens, optical pickup device, and optical disc apparatus
An objective lens is included in an optical pickup device that records and/or reproduces an information signal onto and/or from an optical recording medium. The...
US-7,508,595 Taking lens apparatus
A taking lens apparatus has a zoom lens system that forms an optical image of an object at a variable magnification and that includes an aperture stop in the...
US-7,508,594 Wide-angle zoom lens system
A wide-angle zoom lens system includes a negative first lens group, a positive second lens group, a negative third lens group and a positive fourth lens group,...
US-7,508,593 Bent type zoom optical system, and imager, information processor and electronic camera apparatus incorporating...
The invention relates to a bent type zoom optical system comprising a positive first lens group having a reflecting member and remaining fixed upon zooming and a...
US-7,508,592 Zoom lens system
Providing a zoom lens system having higher optical performance, a wide, maximum angle of view of 80 degrees or more, a zoom ratio of about 2.7, and a fast...
US-7,508,591 Ultra-bright light engine for projection displays
A projector incorporating a prism and a plurality of light valves for modulating light that passes though the prism, wherein the color splitting-converging prism...
US-7,508,590 Optical system for a digital light projection system including 3-channel and 4-channel LED array light engines
An optical system for a digital light projection system is provided. The optical system comprises a plurality of LED arrays, wherein each LED array comprises a...
US-7,508,589 Soft aperture correction for lenticular screens
An apparatus including an autostereoscopic image selection device having a plurality of lenticules is provided. The autostereoscopic image selection device has...
US-7,508,588 Micro lens array and its manufacturing method
Pluralities of lens parts 20, 22 are formed on a lens substrate 16 by dry-etching. The lens parts 20 and 22 have same structures, and the lens part 20 includes...
US-7,508,587 Laser level
An optical system for a laser level is described. The laser level includes at least two optical systems which are parallel to and oppositely adjoin to each other...
US-7,508,586 Zinc-based film manipulation for an optical filter
An optical filter is formed of a layer stack that includes metallic layers and dielectric layers, with at least one dielectric layer being defined by more than...
US-7,508,585 Diffraction optical element and production method thereof
The diffraction optical element production method includes a first step of etching an area which becomes a seventh step of a seven-step staircase shape and an...
US-7,508,584 Telescope with invariable display of digital data
A telescope includes an objective lens to receive an optical signal from an object and an electronic signal generator that generates an electronic signal...
US-7,508,583 Configurable cytological imaging system
A configurable slide imaging system includes a plurality of slide cassettes, each cassette configured for accessibly storing a plurality of specimen slides, a...
US-7,508,582 Mirror-changing confocal optical device
Confocal optical device for illuminating points on a sample 807 using illuminating beams FE and for detecting beams FD coming from the illuminated points and...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | Next →