Electric Discharge Tubes TRIZ Cases

A periodic DC bias waveform clears wafer-surface charge during plasma etching, improving trench verticality and reducing damage to protected films.

Parallel divert weldments, choke orifices, and high-Cv valves cut pressure spikes and condensation while keeping gas flow uniform across chambers.

Positive pressure and local depressurization keep a periphery-supported substrate flat while preventing lower-surface damage and contamination.

Low-temperature HF gas etching removes silicon oxide laterally while preserving silicon nitride, improving 3D pattern accuracy and yield.

A dual-layer protective and seasoning scheme shields chamber surfaces from fluorine etchants, enabling clean film removal without damaging aluminum parts.

Sequential passivation gas and hydrogen plasma treatment smooths etched substrates while protecting insulation members from particle contamination.

Residual oxygen left after chamber cleaning is purged with inert gas and a bleed line, preventing CD drift across wafers.

A two-stage optical and electron-beam inspection approach separates nuisance signals while enabling full wafer coverage and 5 nm defect sensitivity.

Multiple sensor-based computation conditions are ranked by robustness to diagnose plasma tool component wear and plan maintenance earlier.

Diffraction patterns from multiple beam positions let specimen tilt be adjusted accurately while reducing beam damage and contamination.

Low-frequency RF plasma densifies carbon gapfill in high-aspect-ratio features, reducing voids, seams, shrinkage, and delamination.

Individually actuated magnet-yoke units reshape local magnetic fields to correct plasma imbalance and improve coating uniformity in rotary sputtering.

A levitating horizontal platen replaces vertical air-bearing scan hardware, cutting chamber complexity and cluster tool footprint.

Pressure-wave plasma plumes clear non-reactive coating buildup while reactive species remove other components, sustaining removal rates.

A non-parallel chamber wall and RF-biased plate localize capacitive plasma near the substrate, cutting ion damage while preserving reactivity.

Electrostatic clamping and gas-fed thermal coupling replace TIM at the edge ring, improving temperature control while cutting chamber downtime.

Atmospheric DBD plasma with CF4 forms YOF on yttria-coated showerheads faster, cutting particles, aging time, and equipment complexity.

Precisely controlled carbon in PECVD silicon oxide cuts etch byproducts and micro loading while keeping high modulus for 3D NAND mold stacks.

Fluorine treatment and heating turn metal resist residues into removable volatile compounds, limiting chamber contamination and damage.

Simultaneous detector capture stores non-displayed microscope images for later review, avoiding re-scanning, time loss, and sample damage.

A short lift-pin rebound frees substrate edges from tapered surfaces, improving placement accuracy and preventing chipping and film buildup.

Electrical sensing through ESC electrodes and RF/DC blocking filters detects wafer bow in plasma and high-temperature processing to prevent declamping.

Non-uniform barrier thickness in a quantum well light emitter sustains electron-to-light conversion from low to high acceleration voltages.

Capacitive sensors in chamber walls, lids, ports, and rings track redeposition thickness to predict drift and trigger cleaning only when needed.

PEDOT:PSS-stabilized carbon nanotube suspensions improve co-electrodeposition uniformity, raising emission current and cathode lifetime.

By rotating the TEM sample 90° during FIB thinning, this holder changes milling direction to suppress curtaining and improve TEM image clarity.

A stage position mark and dual images align beam and light irradiation points, stabilizing secondary electron luminance for accurate evaluation.

Adjustable electrodes in an insulating layer vary capacitance to offset focus ring etching and keep plasma density uniform during substrate processing.

Integrated aligners in each transfer module keep substrates precisely oriented during serial handoff to process modules without slowing throughput.

A conductive shield-cooling path stabilizes temperature in substrate processing to reduce warping, film peeling, and particle generation.

Alternating same-polarity DC bias levels on the lower electrode broadens ion energy control and improves plasma processing consistency.

Controlling base surface RSm and Rdq helps plasma-exposed structural members resist film peeling, suppress particles, and cut surface treatment time.

A non-parallel capacitive plasma layout localizes low-energy ions near the substrate, reducing PEALD damage on 2D and 3D surfaces.

A calibrated backside shield controls plasma exposure at substrate edges, improving etch uniformity and reducing edge damage.

Non-uniform ion beam dosing improves lamella thickness uniformity and repeatability while minimizing warping in semiconductor sample prep.

Adjustable leveling units align the substrate support with the showerhead and liner to prevent uneven processing, leakage, and contamination.

Differential pumping, a shutter, and stepped-energy ionization separate ions from neutrals for accurate plasma trace-species monitoring.

Floating, interconnected ESC power supplies block free current paths to ground, reducing arcing while preserving RF compatibility and clamping stability.

Multiple rectangular-wave stages and an inductor-based sawtooth circuit generate precise high and low plasma voltages with less circuit complexity.

Increasing grounded surface area in a plasma chamber lowers compressive film stress while preserving modulus and etch performance.

Real-time resistance monitoring between the sputtering target and ground detects shorting early, helping prevent arcing, target damage, and film defects.

Automatic spectrometer optics adjustment compensates TEM magnification changes to refocus electron energy loss spectra and preserve resolution.

Separate electrode power control lets an electrostatic chuck switch between monopolar and bipolar modes to limit wafer bowing and chamber damage.

Adjustable baffle holes tune ion-radical flow, then a neutralizing plasma removes residual substrate charge before lifting.