Combination Recording TRIZ Cases
- EAMR Transducer Waveguide Laser Alignment
An output device separates uncoupled optical energy to maintain alignment precision and reduce manufacturing costs.
- Personal Emergency Notification Device Usage Monitoring
Motion detector and acceleration sensor send distinct signals to a remote monitoring device indicating device wear status.
- Optical Disc Skew Detection Using Adjacent Track Crosstalk Cancellation
A skew detection method uses adjacent track signals to cancel crosstalk via filter coefficient control.
- TAMR Slider Laser Shock Protection Standoff
Standoff element shields TAMR slider lasers from flexure shocks, preserving optical integrity.
- Laser Alignment in HAMR Sliders Using Cavity Solder Bumps
Cavity solder bumps align lasers to waveguides via surface tension, reducing active alignment costs and improving coupling efficiency.
- PMR Disk Capping Layer Curie Temperature for DC Readback Noise
A perpendicular magnetic recording disk structure uses a capping layer with a higher Curie temperature to align magnetic orientations.
- (111) Oriented Plasmon Generator for TAMR Head Agglomeration
A plasmon generator with a (111) oriented tip portion enhances crystal structure rigidity to prevent front end surface deformation.
- HAMR Thermal Gradient Measurement Using Stepped Laser Power
Recording pseudorandom bit sequences at stepped laser power determines timing differences to measure thermal gradients without external calibration.
- Estimating Laser-Induced Protrusion at Near-Field Transducer
A method writes fixed patterns at multiple clearances to read back amplitudes for estimating laser-induced protrusion at a near-field transducer.
- Optical Disc Wobble Address Extension via Virtual Bits
Virtual bits generated from existing wobble address bits extend the logical address space without altering physical disc structure.
- Temperature-Dependent Exchange Spring Mechanism for HAMR Thermal Control
Segmented magnetic layers with gradient Curie temperatures control thermal noise and laser power requirements in heat-assisted magnetic recording.
- Thermally Assisted Magnetic Head Slider Protrusion Detection
A magnetic head slider uses laser reflection to measure thermal expansion and determine air bearing surface height.
- Laser Power Control for Electro-Optical Readers
Dual monitor photodiodes track laser output to deenergize the beam when operating conditions violate safety standards.
- HAMR Disk With Independent Magnetic Layers
A heat-assisted magnetic recording disk uses nonmagnetic spacer layers to separate independent continuous magnetic recording layers.
- Magnetic Recording Underlayer Structure for Heat-Assisted Magnetic Recording
Segmented underlayers with specific crystal structures resolve insufficient (001) orientation in L10-type magnetic layers, enabling higher recording density.
- Multilayer Heatsink Design for Energy Assisted Magnetic Recording
Segmented heatsink bi-layers dissipate heat to reduce laser power requirements while maintaining thermal stability during energy assisted magnetic recording.
- Composite Near-Field Transducer for EAMR Mechanical Stability
A composite near-field transducer integrates metal and insulator layers to focus optical energy onto magnetic media.
- Thermally Assisted Magnetic Head-Slider Laser Coupling Loss
Positioning the semiconductor laser on the slider back surface with a refractive index adjusting material suppresses heat-induced coupling loss.