Heads Using Thin Films TRIZ Cases
- Magnetic Recording Apparatus Using Spin Torque Oscillator and Spin-Wave Lines
A magnetic recording apparatus combines spin torque oscillator fields with spin-wave line oscillations to assist magnetization reversal.
- HDD Slider Air-Bearing Topography for Lubricant Control
Backflow blockers in air channeling grooves prevent lubricant accumulation on the slider surface while maintaining aerodynamic stability.
- Current-Assisted HAMR Writer Pole Design
HAMR write head main pole integrates current paths through the tip to generate assisting magnetic fields, reducing sector error rates.
- Thermally Assisted Magnetic Head Light Source Alignment
A thermally assisted magnetic head uses a recessed adhesive to align a separate light source support substrate with the slider waveguide.
- Magnetic Disk Writer Resistance Control for Projection Prevention
A magnetic disk writer adjusts resistance values to control local projections near the write gap.
- Electronic Lapping Guides for Sensor Array Stripe Height Control
Electronic lapping guides provide real-time feedback to control sensor alignment and stripe height precision across varying skew angles.
- MAMR Stack Asymmetric Shape for Switch Time Reduction
An asymmetric MAMR stack reduces the switched area of a magnetic layer, decreasing switch time and enhancing areal density capability.
- Neural Network Grading for Hard Disk Drive Test Time Reduction
Trained neural networks predict bit-error rates and adjacent track interference, reducing hard disk drive test time by skipping unnecessary procedures.
- Wire Lead Designs for Magnetic Write Devices
Recessed conductive leads deliver current to a proximate conductor, protecting the leads from corrosion while maintaining electrical connectivity.
- Magnetic Writer With Conductive Tip For Field Assisted Recording
A magnetic writer delivers assist current through a conductive tip to generate a high frequency field, reducing coercivity for higher density recording.
- Head Suspension Base Plate Lubricant Contamination Prevention
A hydrophobic coating layer traps caulking lubricant at the actuator arm joint, preventing High Fly Write failures caused by magnetic disk contamination.
- Noble Metal Alloy Diffusion Barrier for HAMR Head Thermal Stability
A noble metal alloy diffusion barrier layer isolates the insulating layer from the magnetic lip in heat assisted magnetic recording heads.
- Spin Torque Oscillator Magnetic Recording Head Design
A spin torque oscillator generates high-frequency magnetic fields for assisted magnetic recording.
- Plasmonic Transducer Sub-Wavelength Hotspot Generation
A plasmonic near-field transducer concentrates optical power into sub-wavelength hotspots using tapered metal elements and a gap-plasmon mode.