Photomechanical Apparatus TRIZ Cases

In-flight sensing and feedback adjust EUV target release so droplets coalesce reliably, improving light-source consistency and efficiency.

A cover with top support pads shields dispensed material during substrate transfer, limiting evaporation and keeping residual layer thickness on target.

Pre-process film thickness prediction uses equipment state data to set coating conditions, improving substrate accuracy and reducing waste.

Patch-based OPC cuts layout processing burden while conforming curvilinear boundary corrections to keep photoresist patterns precise.

Burst-modulated pump pulses in a hollow-core photonic crystal fiber improve broadband source stability and component life for IC metrology.

Localized suction at the substrate edge gap removes trapped fluid and bubbles, protecting immersion lithography image precision.

Passive damping elements isolate the reticle and baseplate to cut handler vibration, preventing slippage, particles, and image blur.

Lowering baseplate-to-reticle capacitance speeds charge discharge through support pins, reducing particle attraction and pattern defects.

A recessed support plate limits backside contact during semiconductor priming, reducing particle contamination and photolithography defects.

Iterative cost-function optimization places SRAFs and main patterns on a blank mask to improve lithography accuracy, yield, and defects.

Pulse shaping, phase compensation, and wavelength conversion enable coherent EUV generation with higher intensity for precise defect detection.

A heat-treated recess mask evens etch behavior over uneven substrate topography, preventing photoresist defocus and preserving pattern accuracy.

Separate optical paths and a lens-based pulse control system stabilize dual seed pulses for precise EUV light generation in semiconductor tools.

A soft transfer mold conforms to recessed and protruding substrates, enabling high-aspect-ratio wiring without smoothing, cost, or shrinkage penalties.

Electrode cutouts aligned with clamp burls lower electric fields at reticle contact points, reducing discharge, particles, and clamping damage.

Sub-resolution mask density creates gradient photoresist heights, enabling batch transfer of 3D wafer profiles by isotropic etching.

A stepped nanoimprint template uses an upper-surface light shielding film to block exposure leakage and prevent unintended resin curing.

A notch filter suppresses control-signal oscillations so a line-narrowing laser can change wavelength periodically with higher accuracy and lower chromatic aberration.

Penetrating pipes placed near particle sources improve wafer-stage contaminant removal while avoiding cable contact and device defects.

A deflection-dependent compensation force offsets gravity and joint stiffness, improving optical alignment speed while cutting actuator heat and energy use.

Stacked confocal pulse stretchers extend laser pulse delay through multi-stage reflections while preserving optical efficiency in limited source volume.

Independent cavity pressure control manages superstrate curvature and eases release from cured film for more uniform planarization.

Curving photomask corners before optical proximity correction improves wafer pattern accuracy while reducing control points and mask fabrication time.

Selective edge etching creates region-specific metallisation thickness, keeping low Rds(on) while reducing passivation cracking and mask count.

Reflectors and a water deflector irradiate ozonated water while blocking direct UV on the substrate, reducing cleaning defects.

Separating the cooling chamber from the buffer unit cuts module weight bias, reduces transfer wear, and improves moisture and particle control.

A temperature control buffer returns waiting substrates from the supply position to stabilize temperature and protect alignment and overlay accuracy.

Hydrogen radicals dry-clean reflective photomasks by turning carbon and oxygen contaminants into volatile gases, cutting time and avoiding mask damage.

Thermal expansion in the holder rotates the output coupling mirror to suppress beam pointing drift in line-narrowing excimer lasers.

Segmented multilayer metrology targets cut EUV focus measurement time while correcting focus-induced overlay errors with tool feedback.

An interface robot unloads edge-exposed substrates so the main transfer robot stays focused on liquid and heat treatment, increasing throughput.

Alternating material layers and staged etching form slanted nanostructures on glass with precise angle control while avoiding substrate over-etching.

ESD-coated reticle pod surfaces dissipate residual charge, reducing particle attraction and contamination during EUV lithography handling.

Removable aperture structures vary local free height and vacuum flow to clamp distorted lithography substrates with fewer overlay errors.

A two-step heating sequence partially then fully crosslinks spin-on carbon to limit reflow, preserve coverage uniformity, and prevent substrate damage.

Optical proximity correction reshapes decomposed connection patterns to reduce double patterning overlay errors and improve photomask accuracy.

Clog detection and supply switching stop solid target buildup in EUV feed paths, preventing valve biting and stabilizing light generation.

Multiple track portions and a transfer interface cut post-exposure delay and stop losses while keeping lithography throughput and CD quality stable.

Sub-resolution assist features stabilize the aerial image of overlay targets, cutting segment width mismatch and improving overlay metrology accuracy.

Sequential resist imprinting and etching forms recesses with different depths, improving pattern control, uniformity, and yield.

A single etched DOE-SBC grating combines coherent and spectral beams to raise fiber laser power while preserving beam quality.

Feedback from previous pulse bursts adjusts an optical element for fast wavelength switching with better lithography uniformity and depth of focus.

Positioning the light source between the chuck and multilayer stack avoids uneven UV transmission and improves planarization curing uniformity.

Suction-based gas monitoring detects particles between the mold and substrate early, preventing imprint defects without unnecessary process stops.

Timed peripheral light raises imprint material viscosity without curing, blocking mold sidewall adhesion and improving patterning yield.

A temporary SRP cap blocks copper oxidation, then removes at low temperature to leave a clean interface for strong metal-metal bonding.

Surface-contact pressing and a limiting cap keep reticles evenly loaded and stable in pods, reducing damage and transport movement.

A double-layer photoresist and organic-inorganic mask replaces four etch layers, cutting process time and cost while preserving uniformity.

Controlling 10 nm+ metal particles in imprint underlayer films suppresses mold contamination and damage, improving durability and semiconductor yield.