Lapping Tools TRIZ Cases

Removable fasteners, a sealed chamber, and a non-metallic band replace epoxy joints to prevent leaks, contamination, and wafer damage.

A non-metallic CMP slurry nozzle uses a valve-isolated actuator and simple flow path to improve distribution uniformity and reduce waste.

Grooves around CMP pad monitor windows offset slurry brush-rate jumps, improving polishing uniformity while enabling real-time profile monitoring.

A magnetic upper ring and detachable lower ring speed CMP retainer ring replacement while preserving alignment and protecting the polishing head.

Segmented melamine-resin hollow particles solve the tradeoff between heat and solvent resistance, large particle size, and good dispersibility.

Controlled viscoelasticity across frequencies helps a polishing pad limit edge sagging while improving step elimination and polishing uniformity.

This polishing pad uses a hydrogenated block copolymer to lower friction while maintaining high polishing rates and stable dressing.

A recessed cap, apertures, and non-metallic band secure the polishing head while reducing leaks, contamination, and heat-based repair.

A fluorinated soft phase and crystalline hard phase help CMP pads sustain higher pressure and speed while reducing 3D NAND process time.

Opposite cutting trajectory grooves in the polishing layer direct fluid flow along distinct paths, resolving uniform distribution limits.

A porous subpad with a nonporous microlayer transitions compressive forces to prevent edge fast removal rates and improve wafer yield.

Covalently bonding multifunctional amines to the polyurethane backbone prevents modifier migration and extraction during chemical mechanical planarization.

A non-Newtonian fluid lap tool adapts its viscosity to shear stress, enabling precise substrate polishing.

Segmented upper platen zones with recess flexures adjust local contact pressure to resolve manufacturing precision and adaptability contradictions.

Alternating porosity regions in the polishing pad improve local planarization while reducing scratch defectivity.

Offset concentric grooves in a CMP polishing pad improve planarity while an edge exclusion region prevents substrate scratching from groove edges.

Incorporating reactive tertiary amines stabilizes polyurethane melt viscosity, resolving processing contradictions to ensure uniform polishing layer dimensions.

Vat photopolymerization of acrylate resins creates monolithic CMP pads that eliminate brittle thermal curing steps and reduce manufacturing costs.

Embedded cationic fluoropolymer particles in a hydrophilic matrix increase removal rates during chemical mechanical planarization of thick dielectric layers.

Thermoset polyurethane polishing pads with multi-modal closed-cell pores enhance slurry retention and distribution during semiconductor wafer processing.

Controlled isocyanate index and molecular weight distribution stabilize removal rates while preventing defects over extended pad service life.

A polymer-polymer composite polishing pad embeds fluoropolymer particles to form a negatively charged thin film that enhances slurry adsorption.

Segmented continuous protrusions replace concentric grooves to retain slurry and improve material removal efficiency in semiconductor fabrication.

Segmented radial, circumferential, and cross-hatch grooves prevent hydroplaning and improve slurry transport across the pad surface.

A polishing pad features precisely shaped pores and asperities within a unitary polymer layer to deliver uniform surface topography.

A chemical mechanical polishing pad stack uses a polyfunctional isocyanate and dual curative package to form a crosslinked layer.

Segmented polishing heads apply localized pressure without global redistribution, achieving 20-200 Angstrom removal with ±5 Angstrom accuracy.

Crosslinking polyrotaxane with active hydrogen compounds improves abrasion resistance and reduces hysteresis loss in semiconductor wafer polishing.