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Patent # Description
US-7,990,660 Multiple CCP layers in magnetic read head devices
An improved CPP magnetic read device whose oxide barrier comprises at least two separate CCP layers is disclosed. These two CCP layers differ in the PIT and IAO...
US-7,990,659 Magnetic head with protective films
A magnetic head according to one embodiment includes a substrate; a sensor formed above the substrate; a second shield formed above the sensor and the...
US-7,990,658 Voice coil motor and disk drive unit with the same
A voice coil motor for a disk drive includes a permanent magnet, a voice coil adapted to move in an arc proximate to the permanent magnet, a top plate...
US-7,990,657 Plurality of non-magnetic dampers on a voice coil yoke arm
A plurality of non-magnetic dampers on a voice coil yoke arm for reducing low frequency vibration in a hard disk drive is disclosed. One embodiment provides...
US-7,990,656 Magnetic head device
A magnetic head device includes a slider with a facing side and a magnetic function part. The facing side of the slider includes a front positive pressure...
US-7,990,655 Perpendicular magnetic recording head having a bottom shield part magnetically connected to a pair of side...
In a perpendicular magnetic recording head in which a magnetic pole part of a main magnetic pole layer exposed at a medium-opposing surface exhibits a...
US-7,990,654 Perpendicular magnetic recording head
A perpendicular magnetic recording head includes a main magnetic pole layer and an auxiliary yoke layer that overlaps the main magnetic pole layer as viewed in...
US-7,990,653 Perpendicular recording magnetic head with a main magnetic pole piece and an auxiliary magnetic pole piece
Embodiments in accordance with the present invention provide a perpendicular recording magnetic head whose dimensional dependency on the nonuniformity of...
US-7,990,652 Perpendicular magnetic write head with stepped write pole for reduced MCW dependency on skew angle
A magnetic write head for perpendicular magnetic data recording having a notched write pole for reduced magnetic core width (MCW) dependence on skew. The write...
US-7,990,651 Method of manufacturing a perpendicular magnetic write head with stepped trailing magnetic shield with...
A method for manufacturing a magnetic write head having a stepped trailing shield. The stepped trailing shield is formed by forming a non-magnetic bump over a...
US-7,990,650 Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an...
Embodiments of the present invention pertain to reducing the obstruction of air flow through a bypass channel associated with a disk drive. According to one...
US-7,990,649 Method and apparatus to set a wrap angle of a read/write head
A method is presented for setting a wrap angle of a read/write head having a servo element and multiple read elements, where the servo element and the read...
US-7,990,648 Disk drive margining read channel using predictable disturbance samples generated as a function of a written...
A disk drive is disclosed comprising a head actuated over a disk having a plurality of tracks. A pattern is read from the disk to generate a read signal, and...
US-7,990,647 Thermally assisted recording head control means for protrusion management
Methods and structures for improving fly height control for thin film write heads utilized in thermally assisted recording are disclosed. Methods include the...
US-7,990,646 Data pattern detection using adaptive search windows
Method and apparatus for detecting a reference pattern in a transmitted bit sequence. A duration of a search window used to detect the reference pattern is...
US-7,990,645 Magnetic recording apparatus
Provided is a magnetic recording apparatus including a magnetic recording medium having a magnetic recording position patterned of a magnetic substance and a...
US-7,990,644 Apparatus and method to decode linear position information encoded in a sequential information storage medium
A method to decode linear position ("LPOS") information encoded in a sequential information storage medium, by detecting each of one or a plurality of...
US-7,990,643 Read channel configuration based on polarity determined in accordance with multiple framings of signal samples
Systems and techniques to configure a read channel include, in at least one implementation, an apparatus including: detection circuitry configured to process an...
US-7,990,642 Systems and methods for storage channel testing
Various embodiments of the present invention provide systems and methods for validating elements of storage devices. A an example, various embodiments of the...
US-7,990,641 Proximity detection method for magnetic head and recording medium
Touchdown is detected between an R/W head and disk by determining the variance in the frequency domain of a baseline position error signal (PES) and a PES...
US-7,990,640 Apparatus and method for determining motor spin direction of a hard disk drive
A method for determining motor spin direction of a hard disk drive is provided. The method includes forming an air inlet on a first sidewall of a disk drive...
US-7,990,639 Mobile event data recorder with multiple orientation vibration isolation
A mobile event data recorder is described providing a contained environmental control system for a hard drive module for use in, or with, a vehicle. A hard...
US-7,990,638 Lens module
A lens module includes a lens barrel and a lens holder. The lens barrel includes a barrel. The barrel includes an outer surface and an outer thread portion...
US-7,990,637 Autofocus lens module
An autofocus lens module includes a holder defining a space, a barrel positioned in the space of the holder, a first post extended from an outer surface of the...
US-7,990,636 Lens actuating module
Disclosed herein is a lens actuating module. In the lens actuating module, a housing has an installation space therein. A lens barrel is disposed in the...
US-7,990,635 Camera module
A lens holding member (30) is molded by filling a molten synthetic resin from a gate of a mold into a product cavity, and a portion corresponding to the gate of...
US-7,990,634 Lens module with grooved barrel
An exemplary lens module includes a substrate, a housing, a carrier, and a barrel. The housing is hollow, and disposed on the substrate. The carrier is received...
US-7,990,633 Lens driving apparatus
In the lens driving apparatus having a sleeve, a support body (such as a yoke) that supports the sleeve via a spring member), coils attached to the sleeve, and...
US-7,990,632 Optical element and stress athermalized hard contact mount
There is disclosed an optical element having a first surface and a second surface bounded by a circular periphery. A rim having an inner surface may extend from...
US-7,990,631 Lens drive device, spring member and manufacturing methods therefor
A lens drive device may include a movable body movable in an optical axis direction, a support body supporting the movable body through a spring member which...
US-7,990,630 Lens device
Device facilitating quick and easy removal of a lens from a front side. The device includes a lens, a housing, a retention clip, an ejection block, and a...
US-7,990,629 Lens module
A lens module includes a base to be fixed, a second elastic sheet fixed in the base, a lens sleeve sliding according to the base, a limiting member installed on...
US-7,990,628 Planar flexure system with high pitch stiffness
A flexure system for miniature camera and the like is disclosed. The flexure system can include a frame and a stage that is configured to move with respect to...
US-7,990,627 Lens device
A second fixed cylinder includes a lens attachment portion having straight-ahead grooves provided therein and a guide groove arrangement portion having a first...
US-7,990,626 Lens barrel and image capturing apparatus
Provided is a lens barrel comprising: an optical system including an optical component that moves relative to a fixed cylinder; a holding frame that holds the...
US-7,990,625 Camera module
A camera module includes a zoom lens group, a focus lens group, a barrel, an actuator group comprising a first actuator and a second actuator. The first and...
US-7,990,624 Zoom lens and image pickup apparatus having the same
A zoom lens includes a first, third and fourth lens group of positive refracting power, a second lens group of negative refracting power, wherein, during...
US-7,990,623 Zoom lens and imaging capturing device
An object is to reduce the effect of defocusing due to the movement of an image plane when a shifting lens group movable in a direction perpendicular to the...
US-7,990,622 Projection objective of a microlithographic projection exposure apparatus
A projection objective of a microlithographic projection exposure apparatus comprises a manipulator for reducing rotationally asymmetric image errors. The...
US-7,990,621 Projection lens and projection display device using the same
Disclosed are a projection lens that has a simple inner focus structure, an appropriate back focal length, telecentricity, a high optical performance, and a...
US-7,990,620 Head-up display system
A head-up display system is described. The head-up display system includes an image projection device, a diffusion unit, and a frame demonstration medium. The...
US-7,990,619 Lens, lens array having same and method for making same
The present disclosure relates to a method for making a lens. In step 1, a first light pervious substrate and a second light pervious substrate are provided....
US-7,990,618 Light-diffusing film and screen including the same
A light-diffusing film and screen including same are provided. The light-diffusing film having anisotropy in the diffusion angle includes a translucent support,...
US-7,990,617 Optical laminate comprising low-refractive index layer
The present invention discloses an optical laminate comprising a light-transparent base material and a low-refractive index layer provided on the...
US-7,990,616 IR-UV cut multilayer filter with dust repellent property
An optical multilayer filter having an inorganic thin film composed of a plurality of layers on a substrate includes a fluorinated organic silicon compound film...
US-7,990,615 Diffractive optical system and eyepiece optical system
A diffractive optical system including a diffractive optical element is provided with a first lens component having a first positive lens, and a second lens...
US-7,990,614 Projection screen
A projection screen is adapted to reflect the projection light generated by a projector. The projection screen includes a light absorbing layer, a light...
US-7,990,613 Depth enhancing screen
The present disclosure relates to a depth-enhancing screen for producing a simulated 3D image. The screen comprises a multi-curved Fresnel lens which when...
US-7,990,612 Bottle telescope
A hand-held telescope or binocular built into a bottle or consumable drink container includes a high quality objective lens; an adjustable focus eye lens; and,...
US-7,990,611 Optical lattice microscopy using periodic interference patterns of coherent waves
A microscope includes a source of electromagnetic radiation, having a wavelength, .lamda..sub.1 and dividing optical elements configured for dividing the...
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