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US20140376347 MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CONTAINING SAME  
Disclosed herein are near field transducers (NFTs) that include either silver, copper, or aluminum and one or more secondary elements.
US20070064546 Optical disc system and method for controlling the same  
An optical disc system including a plurality of decks and a method for controlling the optical disc system are provided for managing pieces of title information recorded on discs respectively...
US20080192610 Optical System with 3 Spot Radial Tracking  
The present invention relates to an optical system for reproducing and/or recording on optical record carrier. The system includes light providing means for providing at least: 1) a main beam for...
US20130201810 LIBRARY DEVICE  
(JA) The present invention makes it possible, in a library device capable of containing magazines in a two-tier manner, to simultaneously eject two magazines by a simple mechanism with a reduced...
US20140355400 NOBLE METAL SURROUNDED MAGNETIC LIP AND HEAT SINK FOR HEAT ASSISTED MAGNETIC RECORDING HEAD  
The embodiments of the present invention generally relate to a magnetic head having a magnetic lip. The vertical sides and the bottom of the magnetic lip are covered by one or more conductive...
US20110158072 METHOD OF DETECTING APPROXIMATE TOUCH-DOWN, METHOD OF ADJUSTING HEAD FLYING HEIGHT USING THE DETECTED APPROXIMATE TOUCH-DOWN, AND DISK DRIVE  
A method and apparatus to control a flying height of a head in a disk drive by detecting a flying state of the head just before it touches down to a disk. The method includes detecting approximate...
US20080151705 ARRANGEMENT FOR OPTIMIZING SERVO CONTROLLER POWER IN TWO-DIMENSIONAL FLEXURE MEMS STORAGE DEVICES  
An arrangement for optimizing a servo controller power required in the operation of two-dimensional flexure (Microelectronic Memory Storage) MEMS devices.
US20080192600 Spherical Aberration Detector  
An optical scanning device (1) for scanning at least one information layer (2) of at least one optical record carrier (3). The device includes a radiation source (7) for providing at least a first...
US20100315930 PICKUP FRAME AND OPTICAL PICKUP DEVICE  
In an optical pickup device 3, a supporting base 18 that has a main-shaft bearing 6a with two concentric round holes to pass a main shaft 7 through is formed out of a synthetic resin. On the other...
US20080310282 Method for Acquiring Optimum Position of Reserved Block in Holographic Storage System  
A method for acquiring an optimum position of a reserved block in a holographic storage system is provided. Firstly, an initial offset error between an initial reserved block and its two nearest...
US20080008061 Spot Aberrations in a Two-Dimensional Optical Storage System  
Thus, in conventional, one-dimensional optical storage, the data is arranged in a linear fashion and is read out by a single spot (102). In order to increase data rates and storage capacity, it...
US20130258830 BATTERY MANAGEMENT DEVICE, BATTERY APPARATUS, DISK ARRAY APPARATUS AND BATTERY MANAGEMENT METHOD  
Disclosed is a battery management device 1 and the like that maintains each secondary battery (SB) 2 in an appropriate state. The battery management device 1 calculates a degradation state of no...
US20060285450 Optical disc drive apparatus, method of controlling the position of optical pickup unit, method of detecting an innermost positon of an optical pickup unit  
An optical disc drive apparatus comprises a turntable body (5) for rotating a data disc, an optical pickup unit (1), a motor (2) for moving the optical pickup unit, and means for determining an...
US20110002210 METHOD FOR CALIBRATING ACTUATOR  
A method for calibrating an actuator is provided. A reflective reference surface is set. An objective lens is shifted to several calibration positions along the tracking direction in the actuator,...
US20130064062 STORAGE DEVICE  
A storage device includes a storage medium and a plurality of probes. The probes each have a recording/reproducing portion. The probes include a first probe, a second probe spaced from the first...
US20090059757 Monitoring and Analyzing the Storage Quality and the Drive Hardware Performance of a Media Library  
A method and infrastructure are provided for monitoring and analyzing the storage media quality and the drive hardware performance of a media library. The media library comprises a plurality of...
US20130258823 LIGHT SOURCE CHIP AND A THERMALLY ASSISTED HEAD WITH THE SAME, AND MANUFACTURING METHODS THEREOF  
A manufacturing method of a light source chip for a thermally assisted head comprises steps of (a) providing a light source bar with a surface coating formed thereon; (b) forming several blind...
US20070086156 Protective data storage caddy  
A hard drive caddy for protecting a hard disk drive (HDD) and connecting to a host system is described. The hard drive caddy includes a housing, which defines a compartment of an appropriate size...
US20110096651 EVALUATION APPARATUS AND EVALUATION METHOD  
An evaluation apparatus includes: a signal reading block; a first waveform equalization block; a boundary detection block; a selective output block; and an evaluation value generation block.
US20050094502 Circuit, system and method for starting up plural devices in an orderly manner  
A circuit for starting up plural devices in an orderly manner includes a controller (10) for controlling output of voltage signals, a plurality of switches (20), (22), (24), (26) electronically...
US20080175111 Disc Device and Control Method for the Same  
Provided is an optical disc device and a control method for the same that are capable of shortening processing time for spherical aberration correction amount adjustment. The optical disc device...
US20110158076 DIGITAL INFORMATION MEDIA HAVING ADHESION PROMOTION LAYER ON A SUBSTRATE  
Disclosed is a digital information media having an adhesion promotion layer supported on a dummy (L1) substrate that enables secure bonding of the L1 layer, directly or indirectly, to the rest of...
US20060209641 Portable media player control panel relocator  
A control panel relocator device for use with a portable media player that has a built in control panel on a front surface of the device but does not have controls on a top surface. The control...
US20060092814 Aberration compensation element, and optical system and optical device provided with the same  
The optical system of the present invention comprises a three-wavelength hologram module in which a three-wavelength light emitter/photodetector and a hologram are integrated, a collimate lens, an...
US20070183084 Removable disk media including holographic optical disk stacked in a tape cartridge shell  
An automated data storage library employing a media accessor, an optical disk drive and a removable disk media. The media accessor includes a cartridge shell gripper. The optical disk drive...
US20060140077 Focalizer alignment  
Described here are methods and devices for aligning an optical servo system used with digital storage media. The devices and methods described herein include alignment apparatuses and alignment...
US20120170155 MAGNETIC DISK DEVICE  
A magnetic disk device including a disk, a spindle motor, a base for supporting the spindle motor and the disk, a slider includes a head element. The device also includes an actuator including...
US20140086034 STORAGE MEDIA ASPERITY CHARACTERIZATION  
The present application discloses detecting an asperity on a storage media surface using two amplitude threshold crossings of an asperity detection signal within a preset timing window. The...
US20110090777 OPTICAL REPRODUCING APPARATUS CONNECTABLE TO OPTICAL PICKUPS AND METHOD OF CONTROLLING OPTICAL PICKUPS  
An optical reproducing apparatus connectable to optical pickups and a method of controlling an optical pickup thereof are provided. The optical reproducing apparatus measures resistance of an...
US20120113786 SMART OPTIMIZATION OF TRACKS FOR CLOUD COMPUTING  
Optimization of tracks on a hard disk includes: determining I/O characteristics for data clusters to be stored on the hard disk; generating a set of solutions for each possible placement...
US20140177405 MAGNETIC DEVICES WITH VARIABLE OVERCOATS  
A magnetic device including: a magnetic reader; a magnetic writer; and a variable overcoat, the variable overcoat positioned over at least the magnetic reader and writer, the variable overcoat...
US20110205873 LONG SEEK CONTROL SYSTEM AND METHOD THEREOF USED IN OPTICAL INFORMATION REPRODUCTION/RECORDING SYSTEM  
A long seeking control method, for an optical information reproduction/recoding system having a lens and a sledge, includes: obtaining a sledge estimation velocity, a sledge estimation...
US20060153015 CD-ROM based optical biosensors  
A CD-ROM based optical biosensor, system and method of sensing biological samples in the air includes treating the surface of a CD-ROM medium with a receptor capable of binding with a targeted...
US20070217303 Seatbelt lens control during rough seek  
An apparatus comprising a lens, a stepper motor and a tracking error controller. The lens may be positioned in a sled housing. The stepper motor may be configured to (i) move the sled housing in...
US20130279313 OPTICAL DEVICES INCLUDING ASSIST LAYERS  
A waveguide including a first cladding layer, the first cladding layer having an index of refraction, n3; an assist layer, the assist layer having an index of refraction, n2, and the assist layer...
US20110235208 METHOD OF DETECTING THE TOUCH-DOWN OF A HEAD, METHOD OF ADJUSTING A HEAD FLYING HEIGHT USING THE METHOD OF DETECTING THE TOUCH-DOWN OF THE HEAD, AND DISK DRIVE USING THE METHOD OF DETECTING THE TOUCH-DOWN OF THE HEAD  
A method of detecting a touch-down of a head in a disk drive, a method of adjusting a head flying height by using the method of detecting a touch-down of a head, and a disk drive using the method...
US20080310288 Universal Numerical Disc of Optically Readable Type  
A universal numerical disc comprising an essentially single moulded generally planar part having a printing side and a readable side carrying encoded data. The moulded part has a central opening...
US20110090775 MOTOR DRIVING CIRCUIT  
An SPM driver drives a spindle motor. A VCM driver drives a VCM. A DC/DC converter (switching regulator) receives a power supply voltage from an external circuit, and generates a stabilized...
US20130286799 HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY  
An apparatus that includes a near field transducer, the near field transducer including silver (Ag) and at least one other element or compound, wherein the at least one other element or compound...
US20090147636 ACTUATOR, OPTICAL HEAD DEVICE, AND OPTICAL INFORMATION DEVICE  
An optical head device according to the present invention includes: a light source for outputting laser light; an optical system for allowing the laser light to be radiated onto an optical disk...
US20100309769 OPTICAL PICKUP  
In an optical pickup, a photo receiving portion for receiving returned light reflected by an optical disc is adhered and fixed to an optical base. The photo receiving portion has a photodetector...
US20140016450 POLYETHERIMIDE RESINS WITH VERY LOW LEVELS OF RESIDUAL CONTAMINATION  
Compositions and methods for producing compositions comprising a monoamine-endcapped polyimide component. Based on a gas chromatography mass spectroscopy analysis of a surface rinse of the...
US20080165139 Touch screen stack-up processing  
A multi-touch sensor panel is disclosed that can be produced by forming a plurality of first traces of substantially transparent conductive material on a first substrate, forming a plurality of...
US20080259766 Optical Pickup Actuator and Optical Scanning Device  
An optical pickup actuator for low building height includes a suspended lensholder (101) with a lenssystem (102), focusing (106a, 106b, 106c 106d) and tracking coils (109) and magnets (107a, 107b,...
US20060007842 Cleaning disc for cleaning roller in drive  
A cleaning disc fro cleaning a roller in a drive is used to clean the dust attached on the surface of the roller; it comprises a body whose shape and size are same as a disc; one face of the body...
US20110038236 Near-Field Light Transducer Comprising Propagation Edge With Predetermined Curvature Radius  
Provided is a near-field light transducer with a propagation edge in which the generation of defects is suppressed. The transducer is formed of a Ag alloy and comprises an edge, the edge...
US20050163022 Coordinate offset adjustment system and coordinate offset adjustment method  
According to an embodiment, a cartridge sensor shaft is allowed to butt against the vicinity of a positioning hole and is shifted toward the positioning hole. A coordinate offset error is then...
US20090257324 Flexible Waveguide With Adjustable Index Of Refraction  
A flexible waveguide with an adjustable index of refraction. The core layer and/or the cladding layer of a flexible waveguide may include a plurality of nanoparticles having a different index of...
US20050083818 Error measuring device for optical disk drive mechanism  
An error measuring device for optical disk drive mechanism is disclosed. The device is used to detect the assembly status of the spindle motor and the optical pickup head guide rods in an optical...
US20050152245 METHOD FOR CONTROLLING A SLED-HOME OPERATION  
A method for controlling a sled-home operation in an optical disc drive by driving a sled motor. The method includes two stages: a motor-starting stage and a sled-home-driving stage. In the...