A load/unload ramp includes a body with ramps, load/unload surfaces, and a vertical wall. The ramps include outer grooves positioned between the ramps. The load/unload surfaces extend from the respective ramps. The vertical wall includes channels extending through the vertical wall. In embodiments, the channels are positioned between the load/unload surfaces.

A load/unload ramp includes a body with ramps, load/unload surfaces, and a vertical wall. The ramps include outer grooves positioned between the ramps. The load/unload surfaces extend from the respective ramps. The vertical wall includes channels extending through the vertical wall. In embodiments, the channels are positioned between the load/unload surfaces.

A data storage device is disclosed comprising a storage medium, an input configured to receive a supply voltage from a voltage source, and control circuitry powered by the supply voltage. The control circuitry is configured to adjust a load of the data storage device, detect a load voltage at the adjusted load, detect a load current at the adjusted load, process the detected load voltage and the detected load current to detect a current limit of the voltage source, and configure the data storage device in response to the detected current limit of the voltage source.

An apparatus, in accordance with one approach, includes a receiving area configured to receive a plurality of tape spool pairs. A drive mechanism is configured to selectively drive the tape spool pairs. A magnetic head configured to perform data operations on magnetic recording tapes of the tape spool pairs is also present. A positioning mechanism is configured to selectively align the magnetic head to a selected one of the tape spool pairs. An engagement mechanism is configured to create a relative movement between the magnetic head and the magnetic recording tape of the selected tape spool pair for engaging the magnetic recording tape with the magnetic head.

A data storage device is disclosed wherein an elevator actuator is controlled to move a head along an axial dimension toward a first disk surface of a first disk while processing a proximity signal generated by a proximity sensor. A first actuator position is detected when the actuator arm is proximate the first disk surface of the first disk based on the proximity signal.

According to one embodiment, a magnetic disk device includes a magnetic disk, a magnetic head, a first actuator that moves the magnetic head to a predetermined position on the magnetic disk, a second actuator that is provided in the first actuator and adjusts a position of the magnetic head, a control unit that controls operations of the first actuator and the second actuator, and a storing unit that stores a coefficient of an approximation polynomial calculated based on an approximation formula for approximating voltage dependency of a gain of the second actuator. When controlling the operation of the second actuator, the control unit calculates the gain amplitude of the second actuator from the approximation polynomial in which the coefficient is used and amplitude of a voltage input to the second actuator.

A data storage device is disclosed comprising a head actuated over a disk comprising servo data for defining a plurality of data tracks, wherein each data track comprises a plurality of data segments. First data is written to data segments of a first data track, and second data is written to data segments of a second data track. After writing the second data, the first data is read at multiple off-track offsets of the first data track to measure an average off-track read capability (OTRC) of the first data track. A cross-track profile is generated for a first data segment of the first data track, and at least part of the cross-track profile is correlated with the measured average OTRC.

According to one embodiment, an electronic device includes a flexible printed wiring board includes an insulating layer, a plurality of connection pads provided on one side of the insulating layer and constituting a group, and a pad provided on another surface side of the insulating layer and having heat conductivity, wherein the pad overlaps one or more connection pads positioned at an outer edge of the group of connection pads via the insulating layer and comprises a portion extending on the outside of the connection pad on the outer edge, and a connection member includes a plurality of connection terminals connected to the connection pads via a solder.

A data storage device is disclosed comprising a reel that is rotated for a first interval in order to expose a first frame of a magnetic tape to a head. The head is actuated in a first and second dimensions over the magnetic tape in order to access the first frame of the magnetic tape.

According to one embodiment, a disk device includes a base, a discoidal recording medium including an innermost circumferential portion and an outer circumferential edge, a head, a head actuator provided pivotably on the base and supporting the head movably, a first sensor which detects a shock and a drive unit which pivots, when the shock detected by the first sensor is greater than a predetermined value and the head is located at a position less than a predetermined distance from the innermost circumferential portion, the head actuator to place the head at a position more than the predetermined distance which satisfies a conditional formula below. $D=9.83e^{-210\frac{t^2}{G}}$