By Pulling From Melt TRIZ Cases

A radially outer support frame brings saddle superconducting coils closer to the bore, cutting wire use, size, and electromagnetic load.

A guide tube boosts inert gas flow around a high-temperature endoscope lens to block impurity buildup and maintain clear furnace imaging.

Varying emissivity across the cooling jacket creates localized thermal zones that limit voids and oxygen precipitates during silicon ingot growth.

A two-stage quartz container forming process adjusts mold angle and rotation speed to prevent sliding and improve molding efficiency.

A crucible lift device uses a sealed lid member and vacuum adhesion to mechanically extract silica glass containers without manual handling.

Optimized deposition parameters yield pore-free polysilicon, eliminating gas inclusion and abrasion dust.

Segmenting the crucible with a weir structure stabilizes temperature near the ingot by isolating it from surface disruptions in the outer melt.

A paraxial optical setup captures scattered and reflected light from mixed surfaces to determine precise distances.

A crystal growth control system adjusts temperature and pulling speed using real-time parameter feedback.

Segmented frustoconical heat shield captures particles via an annular element while maintaining optical access for phase boundary observation.

Deep learning models process re-feeding node data to automate declining decisions, eliminating manual operation time and enhancing safety protection.

Sedimentation enriches fine SiO2 fractions at the surface to create a sinter-active casting skin, reducing cracking risks in thick layers.

Computational models replace optical diameter measurements during shouldering to avoid crucible wall reflections and maintain low point defect concentrations.

A hybrid seeding method combines periodic and continuous pulling to grow crystal boules with optimized diameter control.

Multi-camera imaging generates a mathematical model of the growing crystal, resolving measurement precision limits in Czochralski melt elevation determination.

Three-dimensional optimization of asymmetric cusp magnetic fields in MCZ furnaces using ANSYS to enhance magnetic induction intensity.

Segmenting the protective sheet into smaller pieces reduces installation time and prevents silicon carbide defects on curved surfaces.

A variable power ratio temperature set value adjusts heater profiles during crystal pulling to stabilize diameter growth.

Controlling crucible surface roundness minimizes horizontal sway during rotation, ensuring uniform oxygen distribution in silicon crystals.

Applying radial magnetic fields and controlling their vertical position suppresses melt convection to homogenize crystal defects in Czochralski silicon wafers.

Placing Si dopants below the melt temperature prevents B2O3 reactions, maintaining low etch pit density.

Piezo element units adjust a deflection roller position to counteract pendulum deflections, eliminating heavy XY tables and reducing structural complexity.