Electric Discharge Tubes TRIZ Cases

Electrostatic holding and tapered alignment surfaces position inner and outer edge rings accurately, reducing plasma wear and maintenance frequency.

Controlling HF and COF2 impurities in fluorobutene etching gas improves selective silicon etching while protecting masks in semiconductor fabrication.

Individually controlled phase elements dynamically shape charged particle beams for aberration correction, advanced imaging, and compact lithography.

Precharged inductors deliver fast kicker magnet pulses while limiting high-voltage exposure and improving radiation tolerance.

A chamber-matched repellent surface minimizes the sidewall gap to repel more thermal electrons and improve ion species generation.

Non-aligned groove ends and offset cooling gas holes spread gas more evenly around the chuck, improving wafer temperature control and patterning precision.

A tuned GeF4 and H2 mixture limits tungsten fluoride and cathode deposits, improving ion source life during germanium implantation.

After plasma dicing is interrupted, oxidizing-gas plasma cleans adhesive-derived organics from the wafer so etching can resume without contamination.

A broadband RF amplifier and fast impedance matching let one plasma chamber switch quickly between etch and deposition steps.

Periodic DC bias on the edge ring synchronizes with wafer potential to prevent tilted, elliptical edge holes and keep etching uniform.

Optical in-situ sensing measures etch rates and selectivity inside the chamber, cutting external metrology time and improving process consistency.

Reducing Si to 1 wtppm or less helps thick cobalt sputtering targets suppress silicide formation and maintain barrier adhesion and deposition speed.

A shielded dual-coil antenna suppresses gas-line discharge while maintaining uniform plasma density control across the substrate.

Independently controlled targets adjust distance to curved sections, delivering uniform film thickness without masks that slow sputtering.

Reversed e-beam current drives DIET cleaning on the extractor electrode, cutting outgassing and contamination in cold-field electron guns.

A dielectric layer balances chuck and focus ring capacitance to stabilize sheath height and suppress contact hole tilting during bias changes.

A recessed alumina insulator limits residual heat from the heated puck, protecting power distribution components during emergency machine off.

An RF-powered cleaning ring generates plasma in the lower chamber to remove hard-to-reach deposition residue while reducing erosion and maintenance.

A mixed etch-and-deposition gas removes embedded film while capping recesses, cutting air-gap processing steps and improving thickness control.

Pulsed RF remote plasma controls TiCl4-H2-Ar chemistry to limit byproduct particles and keep selective titanium deposition clean.

Pulsed electromagnets independently shape edge plasma conditions to reduce bowed etch profiles and improve substrate-wide uniformity.

Alternating fluorocarbon and hydrofluorocarbon plasmas improve oxide-nitride etch selectivity, recess depth control, and sidewall shape.

Mounted thermometers on rotating carrier arms measure susceptor surface temperature in process, cutting downtime and keeping offset data current.

Multiple beam-current measurements are checked against a correlation model to catch errors before beam adjustment compromises implantation accuracy.

Time-offset pulse control lets one plasma generator feed multiple process chambers at 40 kHz or higher, improving power use and cutting generator count.

Adjusting electrostatic chuck voltage as the upper electrode wears preserves thermal contact, heat removal, and stable plasma processing.

Combining beamlet sensing and position-mark alignment on one chuck cuts measurement time while preserving precise substrate-to-beam correlation.

Embedded tantalum markers reduce line edge roughness and resist wet etching, improving multilevel e-beam alignment accuracy.

Nitrogen and argon in a 3He-filled detector shorten reaction-product ranges, preserving position resolution while extending detector life.

A combined ferrite and air-core filter circuit stabilizes multi-zone substrate heating while limiting facility size and process disturbance.

A floating-gate semiconductor fin layout detects e-beam light with high spatial resolution while supporting low-power sensing and reliable patterning.

Calculated wafer rotation after deposition cycles evens gas exposure and cuts center-to-edge film thickness variation without continuous rotation.

A vacuum interrupter in the RF feed line isolates the generator from the plasma chamber during faults to prevent hardware damage.

Multiple ion-beam exposures at different twist angles match residual curvature maps to reduce wafer OPD and IPD with finer stress control.

Combining plasma surface reforming and microwave heating in one chamber removes substrate transfer steps and speeds atomic layer etching.

A loop-supported liquid droplet transfers graphene with less stress and contamination, improving liquid cell yield for TEM imaging.

Sector shunting in a permanent magnetic charged-particle lens enables fine field tuning, lower stray fields, and slimmer multi-column optics.

Grouped learning models and test-wafer updates help tune etching settings across tool and film differences while preserving prediction accuracy.