| Patent Number |
Title Of Patent |
Date Issued |
| 7553426 |
Apparatus, system, and method for increasing data storage density in patterned media |
June 30, 2009 |
| An apparatus, system, and method are disclosed for increasing data storage density in patterned media. One or more deposition sources may apply magnetic material to one or more recesses formed in a substrate, each recess having opposing sidewalls that are effectively coated by the de |
| 7466513 |
Airflow shroud for HDD tracking microactuator |
December 16, 2008 |
| An airflow shroud for either a moving-slider-type or a moving-head-type microactuator of a disk drive reduces off-track motion of a read/write element for either a moving-slider-type microactuator or a moving-head-type microactuator. One configuration of the airflow shroud includes a |
| 7382583 |
Rotary piezoelectric microactuator and disk drive head-suspension assembly |
June 3, 2008 |
| The invention is a moving-slider rotary piezoelectric microactuator as the secondary actuator for a dual-stage actuator disk drive. The microactuator has a substrate attached to the disk drive suspension and a rotatable frame that supports the slider, so the head-suspension assembly |
| 7345851 |
Disk drive with rotary piezoelectric microactuator |
March 18, 2008 |
| A disk drive with a dual-stage actuator has a moving-slider rotary piezoelectric microactuator as the secondary actuator. The microactuator has a substrate attached to the disk drive suspension. A rotatable frame that supports the slider is attached to a fixed post on the substrate by |
| 7341825 |
Method for producing high resolution nano-imprinting masters |
March 11, 2008 |
| A method for producing high resolution nano-imprinting masters is disclosed. The method inverts the negative features of an exposed and developed positive e-beam resist to positive features in the patterned silicon nitride layer of the nano-imprinting master. A first, oxidation resis |
| 7230800 |
Microactuator for a hard disk drive with an integrated gimbal function |
June 12, 2007 |
| A micro-fabricated chip having a stationary structure and a movable structure with a gimbal structure allows pitch and roll motion of the movable structure with respect to the stationary structure. One embodiment of the gimbal structure includes a dimple surface making a rolling-type |
| 7046476 |
Method apparatus and system for accessing discontinuous media tracks |
May 16, 2006 |
| An apparatus, system, and method are disclosed for accessing discontinuous media tracks. The apparatus, in one embodiment, accesses discontinuous media tracks of a storage medium having one or more independently formed storage regions thereon. Each storage region may include a set of tra |
| 6853517 |
Electrostatic microactuator with electrically isolated movable portion and associated drive circ |
February 8, 2005 |
| A bidirectional electrostatic rotary microactuator has two sets of fixed electrodes, one set for driving the microactuator counterclockwise and the other set for driving it clockwise, and a rotatable frame that has movable electrodes attached to its outer wall and interleaved between the |
