Combination Recording TRIZ Cases

A waveguide with localized optical alterations diffractively focuses light into a compact structure.

A thermally-assisted magnetic recording head uses a variable gap between the magnetic pole and near-field optical device.

Embedded heater generates preheat and steering heat to stabilize laser temperature, reducing mode hopping and data errors during write operations.

A multilayered waveguide structure with varying refractive indices stabilizes the light-emitting spot center position.

A triangular near-field light generating layer with a heat radiating layer manages thermal energy in thermally assisted magnetic recording heads.

A disc playing system previews data blocks to identify errors and records their addresses in a table for playback.

An optical waveguide directs light to a near-field transducer, heating patterned media to overcome the superparamagnetic limit.

A semiconductor laser driver adjusts RF superimposed current via a temperature sensor to minimize read error rates.

An optical waveguide with a near-field transducer directs radiation to patterned media islands and receives reflected signals to control write pulses.

A near-field light transducer with a trailing-side apex uses differential etching to form a non-uniform media-facing surface.

A plasmon generator design integrates a second configuration member as a heat sink to dissipate thermal energy from the near-field light generation end surface.

A concave leading shield concentrates magnetic flux around the main pole to boost field magnitude in thermal assisted magnetic recording heads.

A controller determines alternation destinations and drive speeds based on defect positions within optical disk recording systems.

A protection layer fills a recessed plasmon generator region to create a flat air bearing surface, preventing material removal during etching.

Updating defect list entries instead of verifying blocks reduces re-initialization time while maintaining reliability.

A plasmon generator uses evanescent light coupling to produce near-field light with a small spot diameter for high-density data writing.

A control unit gradually increases luminous energy from laser diode activation to first detection.

A drive device generates balance information and uses pre-stored relation data to adjust the objective lens position for stable focus control.

Positioning an edge-emitting laser diode to overlap recording wiring layers directs heat to the substrate, preventing magnetoresistive element degradation.

Multi-layer recording lamination records servo format marks using a solid immersion mirror and programs data bits with a near field transducer.

A heat sink layer with high electrical resistivity and thermal conductivity functions as a soft underlayer in magnetic stacks.

Acoustic-optic deflector deflects reflected light to measure slope variations, preventing transducer damage at reduced flying heights.

A spatial light modulator controls phase and polarization of laser wavefronts to write data onto glass substrates.

A scanning probe microscope detects scattered light from evanescent emission to inspect thermally assisted magnetic recording head geometry.

Interposing a plasmon generator between a waveguide and magnetic pole prevents unintentional overwriting by maintaining a gentle magnetic field gradient.

An edge-emitting laser diode integrated on the element-integration surface generates near-field light via a waveguide and plasmon antenna.

A plasmon generator uses a light penetration suppressing part to emit near-field light for magnetic recording.

A magnetic head positions the write element closer to a high-TiC substrate to conduct heat away from the air bearing surface.

A near-field light generating element uses a tapered layer to couple waveguide light into surface plasmons.

Optical contrast materials in nonmagnetic spaces enhance reflected radiation power, resolving weak signal contrast between data islands and spaces.

Assistant cores measure light intensity to calculate alignment offsets, compensating for laser diode shifting during bonding in HAMR drives.

An edge-emitting laser diode fixed to a slider directs light via an external mirror into a waveguide.

A dielectric resonator placed between the waveguide core and the near field transducer reduces light absorption in the magnetic write pole and heat sink.

Adaptive servo filters process focus and tracking error signals to maintain precision during high-speed optical disc inspection.

A dual waveguide structure in a HAMR write head measures disk spacing via optical reflection for precise fly-height control.

A reduced-width electrical conductor thermally couples to a near field transducer chimney to generate localized annealing heat.

A detection device monitors spindle motor rotation speed change rate to determine stabilization state for optical disc drives.

A silver alloy near-field light transducer propagates surface plasmons along a propagation edge with a controlled curvature radius.

Integrating a surface-emitting laser with a diffraction grating onto the slider substrate improves mass productivity while maintaining thermal stability.

Segmented ridges create an elongated hot spot that matches magnetic data bits, overcoming poor transmittance efficiency of circular apertures.

Internal clock counts falling edges to detect sync patterns, bypassing phase locked loop failures during optical disc burst cutting area reading.

Assistant cores embedded in cladding layers direct laser energy toward the air-bearing surface, reducing coupling loss and alignment sensitivity.

Integrating the fixing part within the cylindrical case prevents interference with other members while maintaining optical aperture size.

A magnetic disk device evaluates spin torque oscillator oscillation characteristics using comparative read signals from distinct current states.

An asymmetric main pole tip combined with a magnetic recording assistance element maintains field intensity while preventing side erasure in high-density disks.

Dynamic heating lowers coercivity to enable low-field writing while restoring thermal stability after cooling.

Analyzing wobble signal frequency classifies DVD types accurately, avoiding false determinations caused by position data degradation on burned discs.

Positioning a lead coil turn minimally spaced from the main write pole decreases rise time below one nanosecond while preventing electric shorts.

Dynamic allocation of temporary defect management areas in write-once optical discs resolves the trade-off between storage capacity and reliability.

A core/shell near field transducer uses distinct electron-phonon coupling constants to manage thermal energy in heat assisted magnetic recording.