Abstract: Example systems, data storage devices, and methods to provide long-term spacing compensation for heat assisted magnetic recording are described. The data storage device includes a storage medium with data tracks and a head that can be positioned for reading and writing those tracks. The head includes a laser for heat assisted magnetic recording and a fly height actuator. Based on the operation of the laser, both a short-term fly height compensation parameter and a long-term fly height compensation parameter are determined based on different temperature state models. The operating power of the fly height actuator is determined, at least in part, based on the short-term and long-term height compensation parameters.

Abstract: A device for detecting disk asperities. The device includes an optical glide head. The glide head is not required to physically contact a disk for detection of the disk asperities. The optical glide head includes a waveguide configured to transmit light onto the disk and receive reflected light from the disk.

Abstract: A device for detecting disk asperities. The device includes an optical glide head. The glide head is not required to physically contact a disk for detection of the disk asperities. The optical glide head includes a waveguide configured to transmit light onto the disk and receive reflected light from the disk.

Abstract: A shock and vibration resistant hard disk drive has a plurality of fluid damping isolation devices disposed between the drive and a supporting frame. The isolation devices are capsules containing either gasses or liquids enclosed in a flexible membrane that spring back to its original shape after the shock or vibration event has transpired. Variation of fluid properties such as density, viscosity, and pressure allow for custom tuning of the vibration and shock performance. In addition, variation of membrane chemistry and thickness of the membrane also allows for further customization. A fuel cell is provided and the isolation devices may provide the energy source for the fuel cell.

Abstract: A magnetic storage system according to one embodiment includes a magnetic disk having a load zone and a data area; at least one head for reading from and writing to the magnetic disk; and a slider for supporting the head. The load zone is created by: creating a load zone marker on the disk, the load zone marker indicating a position of a load zone of the disk; reading the load zone marker for determining a position of the load zone on the disk; and storing the position of the load zone. The head is loaded on the load zone during subsequent load operations. Methods are also presented.

Abstract: A disk drive with switchable power levels for the heaters in the sliders is disclosed. The invention includes a switch for the electrical circuit of each heater which selects between two or more voltages to apply to the power control element and the heater with at least a high and a low voltage option. The heater power control circuit dissipates a certain amount of heat as a part of the control process. By having a low voltage option the disk drive can save power and reduce the amount of heat dissipated by the heater control circuit when high power is not required. The programmable switch is controlled by the drive control system. The high power setting can be used during manufacturing testing or otherwise if higher heater power is needed. The low power setting is used for normal operation or to save power.

Abstract: A system and method for loading a head onto a specified load zone of a disk includes reading positional index information for determining a position of a pre-specified load zone of a disk. When to load a head is determined based on the positional index information so that the head will load onto the load zone, the load zone having an arc of less than 360 degrees. The head is loaded from a ramp onto the load zone at the proper time.

Abstract: A hybrid drive system for integrated vehicle stability control. Specifically, the hybrid drive system includes a multi-wheeled vehicle, a drop-in electric drive motor, and a master controller. The multi-wheeled vehicle is originally configured for propulsion using an internal combustion engine. That is, the present invention is suitable for powering legacy vehicles. The internal combustion engine capable of driving at least one wheel of the multi-wheeled vehicle. The remaining wheels of the multi-wheeled vehicle are not driven by the internal combustion engine. The drop-in electric drive motor is adapted to independently drive at least one remaining wheel on the multi-wheeled vehicle. The master controller is coupled to the drop-in electric drive motor. The master controller controls speeds of the remaining wheels driven by the electric drive motor to provide propulsion and overall stability management for the multi-wheeled vehicle.

Abstract: A shock and vibration resistant hard disk drive has a plurality of fluid damping isolation devices disposed between the drive and a supporting frame. The isolation devices are capsules containing either gasses or liquids enclosed in a flexible membrane. Variation of fluid properties such as density, viscosity, and pressure allow for custom tuning of the vibration and shock performance.

Abstract: A system and method for loading a head onto a specified load zone of a disk includes reading positional index information for determining a position of a pre-specified load zone of a disk. When to load a head is determined based on the positional index information so that the head will load onto the load zone, the load zone having an arc of less than 360 degrees. The head is loaded from a ramp onto the load zone at the proper time.

Abstract: An electrical test probe has a thermally activated, configurable shape probe tip. At low temperatures, the probe tip is in a generally hooked configuration. Upon heating, the probe tip is converted to a generally straight configuration. The probe tip is composed of a spring component bonded to a shape memory alloy component. The straight configuration allows placement of the probe between tightly spaced circuit pins, while the hooked configuration provides for tight gripping of a circuit pin during measurement.

Abstract: A disk drive with switchable power levels for the heaters in the sliders is disclosed. The invention includes a switch for the electrical circuit of each heater which selects between two or more voltages to apply to the power control element and the heater with at least a high and a low voltage option. The heater power control circuit dissipates a certain amount of heat as a part of the control process. By having a low voltage option the disk drive can save power and reduce the amount of heat dissipated by the heater control circuit when high power is not required. The programmable switch is controlled by the drive control system. The high power setting can be used during manufacturing testing or otherwise if higher heater power is needed. The low power setting is used for normal operation or to save power.

Abstract: A medical monitor is disclosed for implantation in a human body for monitoring biological activity and states as detected by implanted sensors. The medical monitor includes a primary disk drive and a secondary disk drive, where the secondary disk drive mirrors the primary disk drive. An enclosure surrounds at least one of the primary and secondary drives. A transmitter and receiver for produces and transmits signals. The medical monitor is in communication with the sensors, by which information on biological activity and states is stored on the primary disk drive, and the secondary disk drive.

Abstract: A medical monitor is disclosed for implantation in a human body for monitoring biological activity and states as detected by implanted sensors. The medical monitor includes at least one hard disk drive. An enclosure surrounds the at least one hard disk drive. The medical monitor is in communication with the sensors, by which information on biological activity and states is stored on the at least one hard disk drive. A transmitter and receiver produces and transmits signals, and include a GPS transmitter and a receiver for producing and receiving transmission signals in the radio frequency range, where the GPS sends satellite communication signals via the public GPS frequencies and protocol.

Abstract: A medical monitor is disclosed for implantation in a human body for monitoring biological activity and states as detected by implanted sensors. The medical monitor includes at least one hard disk drive. A transmitter and receiver produces and receives signals. The medical monitor is in communication with the sensors, by which information on biological activity and states is stored on the at least one disk drive. An enclosure surrounds the at least one hard disk drive, and an electrical grounding system is included.

Abstract: A medical monitor is disclosed for implantation in a human body for monitoring biological activity and states as detected by implanted sensors. The medical monitor includes at least one hard disk drive. A transmitter and receiver produces and receives signals. The medical monitor is in communication with the sensors, by which information on biological activity and states is stored on the at least one disk drive. An enclosure surrounds the at least one hard disk drive. An alert mechanism which is used to signal the user of medical and maintenance conditions is included.

Abstract: A method of producing fastening elements and which includes placing, in a pin guide of a setting tool, an element having a first, tip-carrying stem section and a second stem section having a hardness lower than that of the first stem section, and forming during a setting process effected by a piston (21) of the setting tool, with the piston, a head (16,161) at a free end (15) of the second stem section (13) of the element (10) and having a diameter (17) greater than a diameter (18) of the second stem section, so that a fastening element (19,191) is produced, a fastening element produced by the method; and a setting tool for driving a fastening element formed in accordance with the method.