Inventor

VAN DER HEIJDEN PETRUS ANTONIUS

US43 patents

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

VAN DER HEIJDEN PETRUS ANTONIUS

WESTERN DIGITAL TECH INC

Write heads configured to redirect current

Reversed mode spin torque oscillator with shaped field generation layer

Apparatus and method for writing to magnetic media using an AC bias current to enhance the write field

Magnetic sensor using inverse spin hall effect

Magnetic recording head with assisting electric current in trailing shield

Cross track current design for energy assisted magnetic recording

Magnetic recording devices having external alternating current sources

Magnetic recording devices having cross-track current flow to facilitate downtrack magnetic field enhancements

Current-assisted magnetic recording write head with wide conductive element in the write gap

MAMR stack shape optimization for magnetic recording

Write heads configured to redirect current

MAMR recording head with high damping trailing shield seed layer

Magnetic recording head having leads over the trailing shield for assisting electric currents

Current assisted HAMR magnetic writer

Heat-assisted magnetic recording (HAMR) head with tapered main pole and heat sink material adjacent the pole

MAMR stack shape optimization for magnetic recording

Bilayer hot seed to reduce gap field for magnetic recording heads

Spin torque layer in side gap for improved field and cross track field gradient

Enhanced write pole and return pole for improved areal density

Magnetic write head with dual return pole and tapered main pole

Apparatus and method for writing to magnetic media using an AC bias current to enhance the write field

Magnetic write head with a tapered return pole

Magnetic recording head with assisting electric current in trailing shield

TMR sensor with magnetic tunnel junctions with shape anisotropy

Magnetic recording devices having external alternating current sources

Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulses

Current-assisted magnetic recording write head with wide conductive element in the write gap

MAMR recording head with high damping trailing shield seed layer

Current distal to media facing surface

MAMR stack shape optimization for magnetic recording

Magnetic recording heads having one or more dusting layers for magnetic recording devices

MAMR recording head with SAF trailing shield notch and/or bump

Reversed mode spin torque oscillator with shaped field generation layer

Magnetic write head with dual return pole

FRANCA-NETO LUIZ M

Integrated half coil structure for write assist of high coercivity media

Signaling method and apparatus for write assist of high coercivity media using integrated half coil

BONHOTE CHRISTIAN RENE

Perpendicular write head having a stepped flare structure and method of manufacture thereof

Perpendicular write head having a stepped flare structure and method of manufacture thereof

HITACHI GLOBAL STORAGE TECH NL

Perpendicular write head with independent trailing shield designs

HGST Netherlands BV

Enhanced write pole and return pole for improved areal density

MCFADYEN IAN ROBSON

Flat E-yoke for cusp write head

BROCKIE RICHARD MICHAEL

Implementing track following using data characteristics for positional information

SCHABES MANFRED ERNST

Single pole tip write head design for perpendicular recording media having reduced dependence on soft underlayers