A multilayer structure with alternating metal and dielectric layers propagates surface plasmons to a front end face.
Temperature sensors adjust motor drive time for consistent ejection across thermal variations.
Parallel grating slits in the waveguide increase optical coupling efficiency, resolving insufficient heating rate limits in heat-assisted magnetic recording.
Graded thickness in a V-shaped plasmon generator dissipates heat to prevent magnetic pole degradation while maintaining optical-power efficiency.
A waveguide structure uses non-periodic near-field transducer spacing to measure optical energy absorption with reduced interference.
Metallic auxiliary structure concentrates surface plasmons to increase thermal gradient by 50% while preventing magnetic pole material degradation.
Positioning a protective member closer to the disk than the objective lens prevents collisions with protrusions during focus servo failures.
A navigation area stores management information to organize multiple reproduction paths and playitems for seamless switching between different video streams.
A plasmon generator with a high melting point metallic layer maintains surface plasmon propagation for higher-density magnetic recording.
An optical disc drive uses multiple light sources and an objective lens actuator to detect disc types by adjusting wavelengths.
PRML detection method sets constraint length based on beam spot diameter and channel bit frequency to stabilize signal reading.
Media disk interface skips failed sectors during current revolution to minimize seek-times and power consumption while preserving drive operational lifetime.
Control circuitry characterizes laser output power against input current and temperature to maintain optimal recording performance.
Separate protective films on a thermally assisted magnetic head prevent deformation while maintaining magnetic data reading sensitivity.
Arcuate channels in the drive enclosure accommodate laser diode unit movement, preventing destructive contact during pinch force testing.
A read transducer oriented at a distinct skew angle aligns with bit boundaries in heat-assisted magnetic recording media.
A tapered optical output device delivers near-field light to heat magnetic recording layers.
A spot size converter core and cladding structure directs light to a submicron spot without adding lens weight.
A conductive shield between the near-field transducer and thermal sensor blocks stray radiation.
A half bowtie aperture nanoscale optical antenna focuses light into nanometer-size spots with high intensity.
A metallic layer reflects electromagnetic radiation toward the recording layer to boost energy absorption.
A directional waveguide coupler extracts back-reflected light from a main transmission path to enable precise optical intensity monitoring.
Objective lens tilting mechanism aligns inherent coma aberration perpendicularly to medium tilt direction for symmetric correction.
Immediate optimum power calibration in the lead-in area determines recording power for each session on multi-session recordable optical media.
Multiple heaters in a TAMR slider air-bearing surface generate controlled protrusions to enhance dynamic stability and reduce wear during touch-down.
Adjusting the tolerant range based on shock frequency prevents data loss and unnecessary recording pauses caused by track errors.
A heat assist magnetic write head integrates a high conductivity heat sink with the magnetic pole to manage thermal loads during plasmon generation.
A surface-emitting laser diode directs a collimated beam through diffraction optics to heat the magnetic recording medium.
Segmenting the transducer into discs with different recess distances resolves the trade-off between high recording density and optical resonance efficiency.
Processor-controlled positioners push disc edges to align central points with spindle axes, reducing eccentricity for accurate head gimbal assembly testing.
An adaptive write strategy study method updates recording parameters during idle intervals to maintain optimal data fidelity on rewritable media.
A heat-assisted magnetic recording head joins a light source unit to a slider using optical markers for precise alignment.
A light source unit merges electrode layers to reduce weight while ensuring power supply.
A compact disc uses a controllable element to modify digital content via centrifugal force or piezoelectric actuation.
An optical body redirects laser radiation from a front-mounted external-cavity VCSEL to a trailing grating coupler, maintaining slider height.
Integrating a DFB laser with a waveguide and grating directs optical energy to the media while managing heat dissipation.
Asymmetric trapezoidal waveguide directs evanescent light to enhance coupling with near-field optical devices.
A concave optical waveguide core aligns light phases to boost coupling efficiency.
Allocating super parity sectors only on bottom tracks frees top track space for user data, increasing storage density without compromising error correction.
A surface plasmon antenna couples laser light via a waveguide to generate near-field light.
A planar waveguide system directs electromagnetic waves to measure nanoscale slider distances via diffraction gratings.
A tapered optical waveguide core with an engraved grating couples incident laser light into the substrate.
A diffusion barrier between the heat sink and diffuser resists metal migration, extending operational lifetime under thermal stress.
Adaptive thresholding detects shallow defects while the phase lock loop adjusts bandwidths to stabilize signal reading on damaged optical discs.
Asymmetric interference waveguides induce preselected phase differences in light reaching surface plasmon receptors at the wafer level.
A thermally-assisted magnetic recording head uses a waveguide to guide light for thermal assist.
A split-ring resonator near-field transducer concentrates optical energy at a capacitive area to create an ultra-small spot-size on magnetic media.