Inventor

CODILIAN RAFFI

US95 patents

⚠️ This page may combine multiple inventors who share the name “CODILIAN RAFFI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CODILIAN RAFFI

WESTERN DIGITAL TECH INC

Disk drive performing multi-level prioritization of entries in a suspect sector list to identify and relocate defective data sectors

Method for setting a power operating mode transition interval of a disk drive in a mobile device based on application category

Method for predictive power management for operating a disk drive in a mobile device to optimize power usage

Method and disk drive for shock estimation and write termination control

Disk drive employing spindle motor commutation time variation for reducing acoustic noise

Method of fabricating disk drives using a common disk drive base with an attached weight plate, and a disk drive including the same

Adaptively estimating a read access time to a second track based upon the binned radial position of the second track within a rotating media storage device

Reducing head gain calibration time in a disk drive

Disk drive and method for improved disk rotation control

Disk drive employing commutation phase modulation and current modulation of a spindle motor

Shock event error logging in a disk drive

Disk drive reading servo sectors recorded at a relative offset on multiple disk surfaces to increase the servo sample rate

Method for adjusting a delay time for opening a servo sector detection window in a disk drive having a spiral track

Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer

Method for adaptively allocating data storage tracks in a disk drive to improve seek performance

Methods, systems and devices for converting the kinetic energy of a rotating disk drive spindle motor into electrical energy to charge a rechargeable battery

Repeatable runout determination within a rotating media storage device

Method and system for preventing data loss from an off-track write condition in a disk drive by rewriting data buffered from an adjacent track

Adaptively modifying a read caching algorithm based upon the detection of a vibration state within a rotating media storage device

Servo settling by utilization of a bias torque offset value which depends on the memory of previous seek operations

Method for recovering from shock events occurring to a disk drive during data write operations to improve data reliability

Method for seeking in a magnetic disk drive having a spiral track

Disk drive control system and method for determining the temperature of an actuator coil

Disk drive comprising a coating bonded to a printed circuit board assembly

Disk drive having separate motion sensors for base and actuator

Mobile device comprising a disk storage system protected by a pressure-sensitive detector

Method of operating a disk drive for writing to an addressable location after detecting that a head is within a safe-to-write window

Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer

Method for determining repeatable runout cancellation values in a magnetic disk drive using filtering

Disk drive employing a modified rotational position optimization algorithm to account for external vibrations

Disk drive having first and second seek operating modes for controlling voice coil motor temperature rise

Disk drive control system having a servo processing accelerator circuit

Reducing effects of rotational vibration in disk drive

Vibration cancellation in a disk drive by using an acceleration sensor and adaptively adjusting its gain to minimize external acceleration effects

Method of modifying on-track declaration algorithm of a disk drive based upon detection of external vibration condition

Method of manufacturing a disk drive by measuring the read width in the servo-writer to set the write unsafe limit

Method for reducing an effect of vibration on a disk drive during a track following operation by adjusting an adaptive-filter gain applied to an acceleration sensor signal

Method and apparatus for RRO learning on alternate tracks before and after shipping to cancel RRO in a disk drive

Method and apparatus for RRO learning before and after shipping to cancel RRO in a disk drive

Method for minimizing adjacent track data loss during a write operation in a disk drive

Method of fabricating disk drives using a common disk drive base with an attached weight plate, and a disk drive including the same

Disk drive spindle motor having a cavity defined by one of an upper surface of a stator support structure and a lower surface of a stator tooth

Acceleration disturbance detection subsystem for use with disk drives

Disk drive and disk drive-containing device having selectively controllable spindle motor spin up profiles

Disk drive having disk drive housing including airflow suppressor portion

WESTERN DIGITAL CORP

Disk drive with calibration bursts that are recorded on a spiral and method of recording the same

Disk drive with staggered calibration bursts that are disposably located in data regions and method of using the same for calibrating a read head

Disk drive employing method of spinning down its spindle motor to reduce the time required for spinning it down and subsequently spinning it up

Non-quadrature servo burst pattern for micro-jogging a magnetoresistive head in a magnetic disk drive

CODILIAN RAFFI

Adaptively modifying pre-read operations within a rotating media storage device