A perpendicular magnetic recording writer incorporates flux guiding devices to enhance write field strength and gradient.
A high moment side shield design improves track field gradients in perpendicular magnetic recording writers.
A tap waveguide and bolometer monitor laser power in heat-assisted magnetic recording sliders while minimizing back reflection interference.
A notched trailing shield with two step throat heights prevents saturation and minimizes flux leakage near the write pole.
Electroplated FeCoNiV magnetic layers resolve the trade-off between saturation flux density and eddy current loss in high-frequency write heads.
An intermediary PVD noble metal adhesion layer prevents delamination of conformal CVD ruthenium films on dielectric substrates.
Titanium oxynitride overcoat protects against vapor damage while maintaining optical transmissivity.
Ion milling shapes a magnetic head main pole using controlled angles and non-magnetic films to form precise arcuate recesses.
A magnetic head design suppresses resistance variations in spin torque control elements to enable precise oxidation degradation monitoring.
Relocating the thin-film coil between the main pole and substrate reduces electric resistance without increasing read-write separation distance.
A magnetic head uses a conductive trailing gap to generate an Ampere field between the main pole and shield.
Segmented protective caps shield energy-assisted recording elements from oxidation, extending slider lifetime without compromising magnetic performance.
Segmented servo transducer arrays enable a single wide data band, resolving the trade-off between positioning precision and total data storage capacity.
A perpendicular magnetic head uses a non-magnetic electrode film to support electroplating of the main pole.
A bottom antireflective coating layer acts as an etch mask to define a PMR transducer trench.
Tantalum gap layers maintain smooth surfaces to prevent tunneling magnetoresistive barrier distortion during high-density tape recording.
A magnetic recording head integrates a spin torque oscillator to generate localized high-frequency fields for perpendicular media.
A fluorinated protective overcoat covers the entire air bearing surface to shield transducer elements from damage during lapping and patterning.
An angled extended tip on a write pole circuit increases flux density to overcome design space limitations in HAMR systems.
Ion beam deposition creates smooth non-magnetic side gap layers in damascene writer poles using controlled angle ratios.
A magnetic head uses a conductive non-magnetic layer to electrically short the main pole and trailing shield.
A tape head substrate with a thin film layer and slot defines a skiving edge to establish the bearing surface length.
Tapered waveguide cores reduce stray light reflections that cause unwanted media heating and erasure during magnetic recording.
A hard bias layer with perpendicular easy axis growth stabilizes the magnetic field in magnetoresistive sensors.
Cantilevered reading and writing dice minimize residual stresses to maintain transducer pitch consistency in magnetic tape heads.
Extended spin torque oscillator generates strong high-frequency magnetic fields through layered magnetic structures.
Replacing mechanical simulated heads with an electrical resistance circuit allows continuous production testing without head replacement.
Optimizing the XRD intensity ratio and contact angle of a ferrite-based magnetic layer prevents head element chipping during green tape testing.
A perpendicular magnetic recording writer integrates a permanent magnet within the write gap to assist the main pole field during transitions.
Segmented shield layers with nonmagnetic spacers define the throat height, suppressing thermal protrusion to improve overwrite and signal-to-noise ratio.
A magnetic head uses a stacked body between the pole and shield to constrain magnetization.
Segmenting the magnetic shield into discrete regions with varying cross-sectional heights prevents stress-induced degradation and maintains flux conduction.
A segmented write pole combines a trapezoidal lower region and rectangular upper region to define track width.