Inventor

SEAGLE DAVID JOHN

US43 patents

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

SEAGLE DAVID JOHN

IBM

Method of making a read head with high resistance soft magnetic flux guide layer for enhancing read sensor efficiency

Write head with second coil above pole having coil density less electrically connected first coil below the pole

Magnetic head having an air bearing surface with short-resistant leads

Lapping process for minimizing shorts and element recession at magnetic head air bearing surface

Read head having high resistance soft magnetic flux guide layer for enhancing read sensor efficiency

Method of making magnetic head with vialess lead layers from MR sensor to pads

Magnetic write head having a coil with submicron pitch

Magnetic head with vialess lead layers from MR sensor to pads

Apparatus and method for intra process on wafer monitoring of deposited layer permeability

Dual header tape head design

Method of grinding thin-film magnetic heads using optical grinding markers

HITACHI GLOBAL STORAGE TECH

Multilayer narrow pitch tape head array

Head design with overlapping coil for narrow pitch tape head

Tunnel MR head with closed-edge laminated free layer

Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with impedance adjustment

Method for providing a temporary deep shunt on wafer structures for electrostatic discharge protection during processing

Method for merging sensor field-mill and electronic lapping guide material placement for a partial mill process and sensor formed according to the method

Narrow pitch tape head array using an orthogonal backgap

Method to fabricate side shields for a magnetic sensor

Method for providing a temporary, deep shunt on wafer structures for electrostatic discharge protection during processing

Magnetoresistive sensor with overlaid combined leads and shields

HGST Netherlands BV

System for adjusting bias of relative magnetizations of ferromagnetic layers in a magnetoresistive sensor

Fabrication of magnetoresistive sensors and electronic lapping guides

Flux-guided tunneling magnetoresistive (TMR) sensor for magnetic tape with reduced likelihood of electrical shorting

Disk drive with filter compensation integrated in sliders for high-bandwidth read sensors

Transducer resistor shunt structure for low-cost probing

Recessed IRMN reader process

Tape array electrical lapping guide design for small stripe TMR sensor

WESTERN DIGITAL FREMONT INC

Pole structure to relieve adjacent track writing

Reader/writer for magnetic memory

System and method for minimizing thermal pole tip protrusion

CONTRERAS JOHN THOMAS

Perpendicular magnetic recording system with auxiliary coil and circuitry for fast switching of write pole magnetization

Perpendicular magnetic recording write head with enhancement capacitor on slider body for write current overshoot at write current switching

Perpendicular magnetic recording write head with ladder network compensation circuitry on slider body for write current overshoot at write current switching

ARAKI SATORU

Magnetic head having reduced cost electrostatic discharge shunt

Methods and systems for using resistivity of sensor film in an element shunt

WESTERN DIGITAL TECH INC

Magnetic sensor using spin hall effect

WESTERN DIGITAL FREMONT LLC

Write head for improved manufacturability larger write field and reduced adjacent track erasure

HITACHI GLOBAL STORAGE TECH NL

Magnetic head with delayed connection heater shunting

GILL HARDAYAL SINGH

Magnetoresistive sensor design for signal noise pickup reduction for use with deep gap electrostatic discharge shunt

BROWN DIANE L

Self-aligned double flux guided TMR sensor

MARLEY ARLEY CLEVELAND

Wafer level balanced capacitance design for magnetic heads

HONG YING

Method for confining sense current of a read transducer to an air-bearing surface(ABS) side of a free layer