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TeraStor Corporation Patents
Assignee:
TeraStor Corporation
Address:
San Jose, CA
No. of patents:
47
Patents:












Patent Number Title Of Patent Date Issued
D428013 Data storage disk cartridge housing July 11, 2000
D425876 Data storage disk cartridge May 30, 2000
6826928 Methods for positioning and bonding elements in substrates December 7, 2004
Devices and techniques for placing and bonding identical elements to holes in a substrate where spacer balls and a reference surface are used to achieve the desired accuracy.
6776176 Applications of acoustic waves in data storage devices August 17, 2004
Devices and methods for using surface or acoustic waves in a recording head to prevent particles from settling down on an interfacing surface on the head.
6724694 Disk mastering based on near-field optical systems April 20, 2004
Structures of storage media for optical storage systems, especially for systems in the near-field configuration to couple radiation between the optical head and the media at least in part by evanescent fields.
6657926 Magnetic field modulation coil December 2, 2003
A driver in a far-field magneto-optical ("MO") system has a read/write head that includes an objective lens for focusing a laser beam onto an MO disk. The objective lens is housed in an objective lens holder. A magnetic biasing coil is mounted to the bottom of the objective lens holder,
6624978 Technique for loading and unloading a read/write head by implementing a ramp motion mechanism in September 23, 2003
Methods for providing a highly repeatable loading/unloading pathway for a read/write head of a disk drive.
6608808 Pseudo telecentric optical storage system August 19, 2003
An electro-optical storage system based on air-bearing-suspended optical head in a near-field configuration. The optical head effects a lens having front and rear focal planes. The head is spaced from an optical medium by a fraction of a wavelength. An imaging lens is positioned relative
6603713 Optical disk drives with thermomagnetic writing and magnetoresistive reading August 5, 2003
Techniques and devices based on second surface optical recording using thermomagentic writing in a magneto-optic recording layer and first surface magnetic reading of written data in the recording layer.
6587427 Magneto-optical recording medium July 1, 2003
A magneto-optical recording medium in a near-field optical storage system is provided. A flying optical head is suspended over the medium by a cushion of gas. The medium includes a magneto-optical recording layer including at least one recording track for magneto-optical recording of
6583951 Shuttle motion mechanism June 24, 2003
A method and an apparatus to provide controlled horizontal and vertical movements of a disk shuttle inside a disk drive, and also to open/close an access door on the shuttle for accessing one or more recording media inside the shuttle.
6580675 Laser driver for an optical recording system June 17, 2003
A laser driver circuit for a light source in an optical recording system to maintain the read current at a substantially constant level. This circuit can reduce a recovery transient time for a transition from the write mode to the read mode.
6577575 Head cleaning in Optical disk drives June 10, 2003
An optical disk drive having a cleaning mechanism to clean the optical head by contact with a selected surface or in close proximity of a surface of the storage medium.
6560192 Method and apparatus for dampening disk vibrations May 6, 2003
Method and apparatus for dampening resonant vibrations of a disk drive. The apparatus includes a disk cartridge including a top shell and a bottom shell forming an enclosure. A disk is contained within the enclosure where the inner surfaces of the top and bottom shells and the top, botto
6545969 Monolithic optical head April 8, 2003
A monolithic optical head facilitates reading and writing optical data on an optical recording medium. The optical head includes a monolithic substrate formed of an optically transparent material. The substrate has a first side and a second flat side opposing the first side. The first si
6544716 Multilayer optical medium for near-field optical recording and reading April 8, 2003
An electro-optical storage system based on an optical head and a multilayer storage medium in a near-field configuration. The heat generated by absorption of a read/write beam adversely affects the interfacing between the optical head and the medium. The medium has a thermal insulation
6529465 Optical system for optical disk drive March 4, 2003
Disclosed is an optical system for an optical disk drive for reading/writing data from/in an optical disk. The optical system includes a light source emitting a parallel laser beam, a deflector having a rotatable mirror surface. The parallel laser beam emitted by the light source is
6522617 Optical head with monolithic layer for optical storage February 18, 2003
Optical heads having a monolithic layer for interfacing storage media and methods for manufacturing such heads. In one embodiment, the substrate has first and second surfaces to define a through hole which forms an optical path and a lens with a spherical surface and a flat surface oppos
6515959 Ramp motion mechanism February 4, 2003
A method and an apparatus for providing a highly repeatable loading/unloading pathway for a read/write head of a disk drive.
6507540 Hybrid optical head for data storage January 14, 2003
An optical read/write head system having a support structure, an optical coupling element and a magnetic data coupling element is disclosed. The optical coupling element is provide on the support structure and is configured to couple optical signal to and from a recording medium. The
6504805 Track identification generation for optical disk January 7, 2003
A wedge data writer writes wedge data, including track identification information, that are spatially-aligned along the radial direction of an optical disk. The wedge data are written at the beginning of a wedge when at least one radial groove or pit molded into the disk is detected.
6483801 Optical storage devices without mass transfer and spots November 19, 2002
Techniques and medium structures for reducing signal distortions due to mass transfer from the medium surface to the optical head in optical storage devices in both far-field and near-field configurations. In one embodiment, a transparent capping layer is formed on a storage medium to
6466399 Cartridge latch and release system October 15, 2002
A system secures a cartridge inserted into a data storage device. The system includes a slidable member with a recess positioned therein; a toggle pivotably mounted in the recess, the toggle having a tip to pivot the toggle upon contacting the cartridge; and an interlock unit coupled to
6462349 Measuring spacing between two surfaces via evanescent coupling October 8, 2002
A near-field optical system having a mechanism to determine a spacing between an optical surface and a reflective surface that are spaced by less one wavelength by using coupled radiation energy that has an evanescently-coupled portion.
6449221 Storage media for optical storage systems September 10, 2002
Magneto-optical storage media designed for optical storage systems such as disk drives with optical flying heads. Dielectric layers are designed and implemented to maximize optical coupling between the flying optical head and the media and to reduce variations of signals with flight heig
6420692 Zig-zag-patterned position sensor system July 16, 2002
An optical position detector which has adjacent detector cells connected to each other in a zig-zag pattern offers a wider dynamic range than a detector with a vertical separation line during transition between a read laser power and a write laser power. This allows use of a fast respons
6407884 Optical head with solid immersion lens and varying cross section coil June 18, 2002
An optical recording head is provided which includes a slider body having a leading edge. A void is formed in the slider body to receive a sphere of optically transparent material. The sphere is inserted into the void such that a portion of the sphere protrudes from the slider body. The
6396783 Mechanism for controlling spacing between optical head and storage medium in optical storage sys May 28, 2002
An optical disk drive having a thermal control mechanism on the optical head to control the spacing between the optical head and the surface of the storage medium.
6357098 Methods and devices for positioning and bonding elements to substrates March 19, 2002
Devices and techniques for placing and bonding identical elements to holes in a substrate where spacer balls and a reference surface are used to achieve the desired accuracy.
6324141 Optical system for optical disc drive November 27, 2001
There is provided a head of an optical data recording/reproducing device. The head is provided with a laser source, a deflector, a relay optical system and an objective lens system. The laser beam emitted by the laser source is incident on the objective lens system via the deflector and
6307832 Optical storage system with head cleaning mechanism based on a position-controllable optical int October 23, 2001
An optical disk drive having a cleaning mechanism to clean the optical head by contact with a selected surface or in close proximity of a surface of the storage medium.
6292459 Reduction of electrostatic charge build-up in storage medium September 18, 2001
A storage medium having a conducting path to dissipate electrostatic charge.
6270696 Method of fabricating and integrating an optical assembly into a flying head August 7, 2001
Several embodiments of a method for manufacturing an optical assembly for use in an optical flying head are provided. The optical assembly may include a solid immersion lens and a magnetic coil. Techniques are provided for fabricating the solid immersion lens and the magnetic coil. T
6243350 Optical storage systems with flying optical heads for near-field recording and reading June 5, 2001
Optical storage systems based on air-bearing-suspended optical heads in a near-field configuration. Such a system comprises an optical head for reading and writing data and a head positioning system, an optics module including beam relay optics and signal detectors, and a medium holding
6229440 Cartridge drive door system May 8, 2001
An apparatus opens, closes and locks a data storage device door. The apparatus includes a linkage adapted to actuate the door, the linkage having a handle with a notch and an edge; a flag having a pin mounted thereon, the pin being adapted to engage the edge when the door opens and t
6154441 Method for centering a hub in an optical disc, and an optical storage system using such disc November 28, 2000
Optical storage system including a disc drive and an optical media having a low radial total indicated runout and method of manufacturing such media. The optical media includes a disc substrate having a formatted surface and a center hole. A disc alignment mechanism is provided, wherein
6130864 Method and apparatus for generating magnetic field for magneto-optic recording system October 10, 2000
A system for generating a magnetic field for magneto-optic recording that includes a near-field lens, a coil etched or plated into the bottom surface of the lens forming a coil layer, an insulating layer coupled to the coil layer, and a transparent conducting layer coupled to the ins
6111840 Reducing phase distortion in a near-field optical data storage system August 29, 2000
An electro-optical storage system based on a near-field configuration having phase-distortion reducing mechanism. The system comprises a read/write head and a head positioning system, an optics module including beam relay optics and signal detectors, an optical medium and a correspon
6069853 Head including a heating element for reducing signal distortion in data storage systems May 30, 2000
A device for retrieving data from or writing data to a storage medium that includes a heating element to reduce signal distortion in a data storage system. The device includes a head having an interfacing surface that faces a medium surface of the storage medium and interacts with the
6061322 Optical storage system having optical head with a solid immersion lens and operating on media wi May 9, 2000
A system for reading or writing data from or to a bilevel optical recording medium with a flying head. The system includes a head having a slider and a solid immersion lens mounted at least partially within the slider. The solid immersion lens has a partial spherical surface and a substa
6055222 Near field optical head having a solid immersion lens that is fixed relative to an objective len April 25, 2000
A head for a disk drive for reading data from and/or writing data to an optical recording medium, having a slider with a channel surface and an air-bearing surface, an optical clear path through the slider, a solid immersion lens mounted at least partially within the slider, and an o
6009064 Optical head having dielectric transition layer in near-field optical storage system December 28, 1999
An electro-optical storage system based on an air-bearing-suspended optical head and operated in a near-field configuration. The system comprises a read/write head and a head positioning system, an optics module including beam relay optics and signal detectors, an optical medium and a
5963532 Polarization rotation and phase compensation in near-field electro-optical system October 5, 1999
An electro-optical storage system based on a near-field configuration having phase-distortion reducing mechanism. The system comprises a read/write head and a head positioning system, an optics module including beam relay optics and signal detectors, an optical medium and a correspon
5936928 Multilayer media and use with flying head having solid immersion lens August 10, 1999
A system for reading or writing data from or to a bilevel optical recording medium with a flying head. The system includes a head having a slider and a solid immersion lens mounted at least partially within the slider. The solid immersion lens has a partial spherical surface and a substa
5881042 Flying head with solid immersion lens partially mounted on a slider March 9, 1999
A head for a disk drive for reading data from and/or writing data to an optical recording medium, having a slider with a channel surface and an air-bearing surface, an optical clear path through the slider, a solid immersion lens mounted at least partially within the slider, and an o
5828482 Apparatus and method for directing a beam of light to a surface of an optical disk October 27, 1998
An apparatus is used with an optical disk drive for directing a beam of light to a surface of an optical disk. The apparatus has a beam shifter configured to direct the beam from a first path (along which the beam is generated) to a second path which is substantially parallel to the firs
5793584 Device and method for electrostatically cleaning a disk mounted in a removable cartridge August 11, 1998
A disk cartridge assembly includes an enclosure, a recording disk mounted for rotation in the enclosure, and an electrostatic cleaning element positioned on an interior surface of the enclosure. The cleaning element engages one side of the disk at least when the disk is at rest and when

 
 
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