| Patent Number |
Title Of Patent |
Date Issued |
| 7149057 |
Open-channel torsion bend section |
December 12, 2006 |
| According to the present invention there is provided a head positioning suspension for a modern disc drive. The suspension has a base, a load beam, and a bend section. The load beam extends in a first plane and has a longitudinal axis extending between its first and second ends. The load |
| 7005777 |
Tapered piezoelectric in-plane bimorph and method of fabricating |
February 28, 2006 |
| Tapered elements fabricated from a substrate of a size many times that of a single element are disclosed. Such tapered elements may be used as piezoelectric microactuators such as in-plane piezoelectric bimorph microactuators. A unique method of fabricating such tapered elements is p |
| 6956719 |
Self-correcting disc head slider |
October 18, 2005 |
| A disc head slider supports a transducer relative to a moving media in a data storage system. The slider includes a slider body having a media opposing face with a leading slider edge, a trailing slider edge, a recessed area and a bearing surface formed by at least one positive press |
| 6728077 |
Suspension-level piezoelectric microactuator |
April 27, 2004 |
| A suspension-level piezoelectric microactuator for the fine positioning of a head-arm assembly of a disk drive. The microactuator is manufactured from a generally flat metal sheet structure having a central beam and two tabs extending from opposite sides of the beam. At least one layer o |
| 6680825 |
In-plane suspension-level bending microactuator for precise head positioning |
January 20, 2004 |
| A microactuation system selectively alters a position of a transducing head carried by a slider in a disc drive system with respect to a track of a rotatable disk having a plurality of concentric tracks. The microactuation system includes a head suspension having a first portion and a se |
| 6556383 |
Disc drive anti-shock suspension cushions |
April 29, 2003 |
| A suspension for connecting a slider to an actuator arm of a disc drive includes a cushion extending vertically from the suspension. The cushion limits vertical excursions and dampens motion of the suspension during a shock event to better maintain the slider in contact with a disc surfa |
| 6538849 |
Diamond-pattern directed tipping slip magnetic head |
March 25, 2003 |
| A head slider apparatus, to be attached to a magnetic head in a magnetic disc drive, for preventing bimodal stiction by preventing tipping of the head slider on its rear edge by forcing tipping of the head slider towards one of the head slider's corners. Subsequently, the head slider als |
| 6515834 |
Side-arm microactuator with piezoelectric adjuster |
February 4, 2003 |
| A microactuation system selectively alters a position of a transducing head carried by a slider in a disc drive system with respect to a track of a rotatable disk having a plurality of concentric tracks. The disc drive system includes a load beam and a base for attachment to an actuator |
| 6392843 |
Locking hinge anti-shock disc drive suspension |
May 21, 2002 |
| A suspension for connecting a slider to an actuator arm of a disc drive and for maintaining the slider substantially engaged with a disc surface positioned below the suspension incorporates a load beam defining a first bend region adjacent a proximal end of the load beam and a second ben |
| 6388842 |
Disc drive suspension bend section and method |
May 14, 2002 |
| A disc drive suspension incorporates a loadbeam with a shorter bend section having higher torsional stiffness and higher-frequency resonance states than conventional suspension bend sections. The bend section is formed by etching a narrow groove in the loadbeam. The suspension may also i |
| 6317286 |
Diaphragm-sealed disc drive |
November 13, 2001 |
| An apparatus for minimizing corrosion product build-up within a disc drive incorporates a non-corrosive gas hermetically sealed within the disc drive and a diaphragm chamber that allows the constrained non-corrosive gas to respond to changes in pressure and temperature. The diaphragm cha |
| 6304420 |
Preloaded gimbal in a head suspension for limiting head/disc separation |
October 16, 2001 |
| A head suspension assembly for mounting and supporting a head in a disc drive which includes a preloaded gimbal assembly. The preloaded gimbal assembly acts, during certain applied mechanical shock events, to prevent separation of the head and the disc which can lead to damaging contact |
| 6233124 |
Piezoelectric microactuator suspension assembly with improved stroke length |
May 15, 2001 |
| A microactuation system is disclosed for selectively altering a position of a transducing head carried by a slider in a disc drive system with respect to a track of a rotatable disk having a plurality of concentric tracks. The disc drive system includes a load beam having a base for atta |
| 6201668 |
Gimbal-level piezoelectric microactuator |
March 13, 2001 |
| A gimbal-level piezoelectric microactuator including monomorphs for the fine positioning of a head-arm assembly of a disk drive. The microactuator is manufactured from a generally flat metal sheet structure having a central beam and two tabs extending from opposite sides of the beam. At |
| 6157522 |
Suspension-level microactuator |
December 5, 2000 |
| A microactuator is disclosed for selectively altering a position of a transducing head carried by a slider in a disc drive system with respect to a track of a rotatable disc having a plurality of concentric tracks. The disc drive system includes a head mounting block for attachment to an |
