Heads Using Thin Films TRIZ Cases
- Magnetic Recording Head Spin Torque Oscillator Inverted Current Control
Inverted current supply circuit reverses spin injection layer magnetization direction independent of gap magnetic field.
- Carbon Nanotube Resin Insulation for Magnetic Head Heat Dissipation
Incorporating carbon nanotubes into the insulating resin resolves thermal expansion issues by enhancing heat dissipation while maintaining electrical isolation.
- Wine Glass Trailing Shield for Magnetic Write Field Control
A wine glass-shaped trailing shield with varying wall angles shapes the magnetic field around a main pole.
- Dual Flux Change Layer STRAMR Write Head Design
Two flux change layers flip magnetization via spin torque to boost write field strength at lower current densities, reducing electromigration risks.
- Adaptive Bending Structure for Lapping Device Bow Control
Extended outer bending fingers widen control width and increase stroke to reduce residual stress during workpiece lapping.
- Supermalloy Side Shields for Magnetic Read Heads
NiFeMe alloy side shields redirect stray magnetic flux to protect the sensor element, increasing read-back amplitude by 15%.
- Magnetic Recording Device Voltage Control for Density
A magnetic head controller applies element voltage to a magnetic element while supplying recording current to the coil.
- Magnetic Recording Head Spin Injection Layer Thickness Gradient
A magnetic recording head uses a variable-thickness spin injection layer to stabilize magnetization across the air bearing surface.
- Texture Control Layer for Spin Torque Oscillator Crystal Growth
A texture control layer promotes close-packed plane growth in spin torque oscillators, reducing crystal defects to enhance spin torque efficiency.
- Tapered Waveguide Mode Conversion for HAMR Write Heads
A tapered waveguide converts light from a fundamental transverse electric mode to a transverse magnetic mode for near-field transducers.
- Magnetic Head Multilayer Configuration for Magnetization Stability
A magnetic head uses a multilayer element to stabilize magnetization and facilitate high-intensity oscillations.
- Parabolic Lapping Carrier Bridge for Bar End Actuation
Varying joint spacing along a parabolic bridge concentrates actuation force at bar ends, reducing fabrication scrap by 27%.
- Magnetic Head Heatsink Bypass Lead Routing
Lead patterns bypass the heatsink layer to limit heat propagation to the magnetoresistive effect layer and improve high-frequency recording characteristics.
- Thermal Fly Height Control Magnetic Recording Head Heating Element Geometry
A recessed center portion and tapered side portions define a heating element geometry for thermal fly height control magnetic recording heads.
- Inclined Recessed Main Pole for MAMR Head Yield
A recessed main pole with angled surfaces stabilizes magnetic field intensity in microwave-assisted recording heads.
- PMR Write Head Flux Loop Tuning for Area Density
Tuning magnetic flux loops in a PMR write head by modifying shield impedance to enhance trailing loop flux.
- Magnetoresistive Writer Element Thermal Expansion for Lapping Alignment
Heating magnetoresistive writer elements expands them in the lapping direction, reducing delta distances between writer and reader components.