Chuanwen Ji

Disk drive initializing a coil temperature estimation algorithm using a resistance of the coil estimated during a load operation

Disk drive performing lifetime logging of microactuator sensitivity

Disk drive correcting track ID in response to an estimated radial location and a burst PES

Disk drive predicting spindle motor failure by evaluating current draw relative to temperature

Polarity detection of piezoelectric actuator in disk drive

Disk drive reducing write unsafe threshold when detecting an unrecoverable servo compensation value

Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality

Disk drive characterizing microactuator by injecting sinusoidal disturbance and evaluating feed-forward compensation values

Disk drive measuring stroke difference between heads by detecting a difference between ramp contact

Electronic system with media scan mechanism and method of operation thereof