Ferdinand Hendriks

Hard disk having a squeeze air bearing for rotating a disk

AERODYNAMIC DEVICE FOR AEROSTATIC SEALING IN A HARD DISK DRIVE (HDD)

System, method and apparatus for enhanced cleaning and polishing of magnetic recording disk

SYSTEM, METHOD AND APPARATUS FOR ENHANCING AIR FLOW CIRCULATION IN DISK DRIVES

SEALING A CORNER FILTER

Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an electrostatic pass-by filter

Air pump in a hard disk drive (HDD)

Aerodynamic device directing pressurized airflow to ports in the device for aerostatic sealing in a hard disk drive(HDD)

Upstream spoiler with integrated crash stop

Apparatus and method for reducing turbulence of airflow in a hard disk drive

Integrated upstream spoiler and particle filter in a hard-disk drive (HDD)

Predicting operational problems in a hard-disk drive (HDD)

Using an atmospheric pressure sensor in a hard-disk drive (HDD)

System, method and apparatus for integrated bypass channel and diverter for hard disk drives

Method and system for providing hard disk shrouds with aerodynamic fences for suppressing flow induced disk excitation

System, method and apparatus for disk drive recirculation filter having inlet and outlet disk rim shrouding

System, method and apparatus for wall slot in disk drive bypass channel for enhanced voice coil motor cooling

System and method to electrically ground fluid dynamic bearings

System and apparatus for mass-balanced spoiler in disk storage devices

Designed roughness and surface treatments for capillary buffer of fluid dynamic bearings

Load/unload ramp spoiler for a hard disk drive

Spoiler with integrated bypass channel wall for HDD applications

Apparatus and method for reducing turbulence of airflow in a hard disk drive

Apparatus for controlling and sealing airflow around disk drive bypass walls

Flow modifiers for improved magnetic recording device

Lapping plate texture for increased control over actual lapping force

System, method, and apparatus for slit shroud with integrated bypass channel wall feature for disk drive applications

Apparatus and method for integral filter and bypass channel in a hard disk drive

System, method, and apparatus for lightweight spoiler wing design for de-populated disk drives

Method and apparatus for increasing the buffer volume in a fluid dynamic bearing

Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an electrostatic pass-by filter

Reducing the obstruction of air flow through a bypass channel associated with a disk drive

Fluid bearing with a variable depth groove

Fluid bearing with a variable width groove

Spindle motor having variably grooved radial and thrust bearing with reduced groove angle near bearing entry

Fluid dynamic bearing assembly for directing bubbles

Aerodynamic diverter integrated with a diffuser and a contraction in a bypass channel for a disk storage device

Collapsible bypass channel disposed outside of disk drive housing

Apparatus and method for guiding bypass reentry flow through contraction and filter in a hard disk drive

Disk lubricant tank insert to suppress lubricant surface waves

System, method, and apparatus for applying boundary layer manipulation techniques to the air flow inside rotary disk storage devices

System, method, and apparatus for breaking up large-scale eddies and straightening air flow inside rotary disk storage devices

Data recording disk drive with nonplanar plate surfaces for damping out-of-plane disk vibration

Projector and camera arrangement with shared optics and optical marker for use with whiteboard systems

Passive touch-sensitive optical marker

Disk drive having reduced variation of disk surface lubricant layer thickness

Disk lubricant tank insert to suppress lubricant surface waves

System, method, and apparatus for aerodynamic diverter integrated with a diffuser in a bypass channel for applications in a disk storage device

Aerodynamic diffuser, contraction, and fairing for disk base and re-acceleration drag reduction in hard disk drives

Hard disk drive with aerodynamic diffuser, contraction, and fairing for disk base and re-acceleration drag reduction