Lapping Machines TRIZ Cases

Cyclic olefin addition polymer window blocks resist degradation below 400 nm, maintaining optical transmission for reliable semiconductor polishing.

Nozzle-applied rinsing fluid prevents aquaplaning and overheating while ensuring uniform material removal across the wafer center.

An in-situ monitoring system uses real-time angle calculations to modify measured signals from elongated regions during chemical mechanical polishing.

Swing arm torque sensors detect frictional force changes between the polishing pad and semiconductor wafer, resolving noise issues during motion.

A wear monitoring device analyzes acoustic emission signals from a polishing pad dresser to determine precise pad wear status.

Segmented fluid delivery arms manage polishing fluid accumulation at the substrate edge to resolve non-uniform material removal rates.

Recesses at the periphery of a CMP pad channel slurry outward, relieving concentrated stress that causes uneven material removal and substrate damage.

Pre-formed pattern substrate eliminates complex conditioning processes, ensuring uniform polishing performance across the wafer surface.

Independent retaining rings with a spherical bearing control edge polishing profiles while preventing wear particle defects.

Hard surface layers on elastic cores prevent scratches while maintaining high polishing rates for semiconductor device manufacturing.

Liquid sensor array detects fluid distribution on wafer surface during roll brushing to resolve non-uniform cleaning caused by dust and byproduct particles.

Polish substrate surfaces to remove protrusions, then deposit a planarization film to fill recesses, resolving defects that compromise circuit integrity.

Zone-specific optical detection determines layer clearance timing, enabling independent polishing pressure adjustments that reduce within-wafer non-uniformity.

Applying a hydrophobic coating to CMP tool components prevents slurry adhesion and erosion, reducing substrate scratches.

Temperature control of the polishing pad surface sustains high polishing rates while reducing slurry consumption.

A program stretches an elastic membrane by cycling pressurized fluid in a pressure chamber to enhance elasticity without dummy wafers.

A CMP apparatus uses machine learning to analyze wafer images for residue detection and customized polishing conditions.

A double-side polishing apparatus adjusts rotation speed and load using real-time sensor data to maintain consistent wafer surface finish.

Rotating deposit tables fix slurry particles on stepped portions, resolving CMP planarization difficulties in semiconductor manufacturing.

Segmented polishing units with dedicated loading tables resolve low wafer transfer efficiency in complex linear CMP equipment.

A 3D printed chemical mechanical polishing pad uses layered deposition to achieve precise thickness control.

Synchronizing lateral oscillation with rotation positions over-polished regions over a polishing control groove, correcting non-uniformity without adding tools.

An airbag connector buffers deformation in a tiltable CMP conditioner driver, resolving friction-induced fatigue failures.

A multi-layered polishing pad arrangement utilizes composite abrasive particles to remove material from ultrahard substrates.

Periodic surface reversal during lapping distributes uneven pressing forces, preventing ring-shaped patterns in nanotopography maps.

A CMP controller generates an AC reference signal to filter sensor noise and detect friction property changes during planarization.

A head nozzle with dual flow-passage systems directs liquid across the optical path to maintain measurement clarity.

Relocating chiller lines to external piping prevents internal leakage contamination while enabling visual leak detection.

Optical detector identifies polishing pad wear or peeling via light transmission changes, preventing semiconductor wafer damage from degraded surfaces.

Hard polishing pads with defined Shore D hardness extend pad lifetime, stabilize removal rates, and improve uniformity during copper barrier layer processing.

A compressible sub-pad absorbs angular moments to maintain uniform contact pressure, removing particles from substrates without scratching the edge bevel.

CMP pad asperities oriented at specific angles shear wafer surfaces, eliminating glazing and clogging that cause non-uniform polishing.

Segmented polishing elements on supports create voids that dissipate frictional heat and reduce thermal defects during semiconductor wafer processing.

Radial channels in a CMP retaining ring expel slurry from the substrate edge to reduce non-uniform polishing rates.

Pivoting sensors on a rotating platform construct real-time topography, replacing experience-based evaluations with precise monitoring.

A coupling mechanism with concentric spherical bearings stabilizes rotating body attitude through precise radius selection.

Separate heating device preheats working discs to operating temperature, eliminating warm-up cycles and ensuring optimal machining quality from the first pass.

Optical acceptor tracks polishing component positions during chemical mechanical polishing to detect deviations from expected swing motion paths.

An in-situ friction monitoring system using capacitive sensors detects polishing endpoint accuracy regardless of layer optical properties.

Tight pH control prevents colloidal coagulation and cloth glazing, reducing edge waste while increasing removal rates.

Voltage supply unit charges slurry via EHD nozzle to stabilize planarization and minimize fluid loss during chemical mechanical polishing.

An integrated slurry mixer-dispenser adjusts mixture ratios in real time to maintain optimal removal rates.

Camera-based scratch detection identifies unpolished regions to prevent metallic migration and ensure gettering uniformity.

Radial nozzles on the platen body distribute slurry evenly, reducing polisher size and operational costs.

A CMP composition uses silica abrasives and polyvinyl alcohol to polish nickel-phosphorus substrates.

In-situ eddy current sensors measure retaining ring thickness degradation to adjust polishing pressure, compensating for non-uniform wear.

A polishing pad monitoring method calculates a work coefficient from frictional force and pressing force ratios during radial dresser oscillation.

Clamping arms press a sponge against the conditioner head to remove polishing liquid buildup, reducing maintenance downtime.

An optical sensor detects slurry in the pressure supply line to prevent pneumatic control system contamination and reduce maintenance downtime.