Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A high-melting-point hardmask and silicide-protected trench gate enable efficient dopant activation and stronger wide-bandgap FET reliability.

A detachable bracket and spring-guided fastening structure lets one etching tool hold multiple silicon carbide wafers, boosting throughput and cutting time.

A sacrificial sidewall planarization step smooths Bosch-etched TSV blind holes, limiting substrate loss, size deviation, and leakage.

Two supercritical fluids with different densities remove IPA residue between substrate patterns while avoiding CO2 phase change during chamber evacuation.

An organic solvent wet etch removes polymer residue and stop layers while avoiding peroxide damage to WdC hard masks and metal layers.

Spaced charge-trapping patterns in a vertical channel block charge migration, improving VNAND retention without sacrificing storage capacity.

Low-surface-tension solvent replaces rinse water, then heating forms a gas film that dries fine substrate patterns without collapse.

Optical marker-based inspection detects assembly positions directly on opaque substrates, improving component transfer precision and throughput.

Radiative heating lets the workpiece exceed 600°C while chuck components stay cool, preserving clamping force and structural integrity.

A dispersion plate redirects cooling gas under the substrate to avoid center over-cooling and improve freeze-cleaning uniformity.

A tungsten via with tantalum nitride and adhesion layers blocks copper and fluorine diffusion while improving MTJ interconnect reliability.

Scattered particles in the dust collection path reveal whether laser-formed modified layers were properly created during wafer division.

Aromatic vinyl-modified novolac improves resist-solvent solubility while reducing baking sublimates for cleaner semiconductor underlayer films.

Keeping purge nozzles coupled between purge sessions blocks contaminant diffusion into gas lines while preserving substrate purity and reducing gas loss.

A cyclic carbonyl-aromatic resist underlayer composition improves step coverage, film flatness, and etching resistance for semiconductor lithography.

A dual-work-function buried word line places polysilicon in the upper region to improve connection reliability and suppress leakage current.

Different workfunction metals in the channel and drift trench reshape the electric field to raise BVDSS and cut leakage in LDMOS RF power devices.

A phosphoric acid etchant with fluorine and silane additives selectively removes SiN while protecting nearby dielectric and gate materials.

Independent central and outer holding pressures plus outer-edge lifting relieve substrate bending stress and improve alignment during bonding.

A timed empty-chamber wait with halogen lamps on prevents temperature drop during wafer exchange and keeps heat treatment conditions uniform.

Vacuum or inert-gas sealing, an integrated wafer rack, and magnetic door latching cut leakage and contamination during wafer transport and storage.

Positioning lugs and insulating recesses align a bent sheet-metal conductor for external contacting while preserving creepage distance and low inductance.

As-containing epitaxial layers block phosphorus diffusion, out-diffusion, and out-gassing in FinFET source/drain regions while keeping SiP resistivity low.

Angled etchant nozzles and etch inhibitors flatten copper recesses on glass cores while preventing TGV over-etching and CMP cost.

A tin middle layer and sacrificial organic underlayer enable half-pitch silicon spacer masks while avoiding substrate damage during dry etching.

Multiple ion implantations at varied angles modify the top substrate layer for selective removal, reducing roughness beyond CMP.

Localized internal substrate modifications improve bonding quality by controlling stress, defects, and optical or mechanical properties.

Varying AlGaN and nitride layer thickness helps balance threshold voltage, carrier mobility, impurity suppression, and leak current.

A differential pressure plenum in the load port contains and evacuates corrosive gases, protecting PCBs, motors, and sensors without coatings.

A mixed polyol-aromatic diamine curative helps CMP pads raise planarization efficiency while limiting defects and preserving removal rate.

High-flow cooling gas triggered at the temperature setpoint narrows spike anneal peak width, limiting dopant diffusion during wafer processing.

Multiple angled ion implantation steps and doped sidewall spacers overcome FinFET shadowing to create uniform LDD regions and stronger current flow.

Directed cleaning gas reaches the bevel gap between a cover substrate and edge ring, cutting residue, particles, and plasma process nonuniformity.

Automatic wafer boat detection triggers lighting and multi-angle imaging to improve wafer ID recognition and avoid OCR setup delays.

Editable timing charts let engineers view parameter changes across process steps, improving semiconductor recipe editing accuracy and efficiency.

PLAD and spacer re-etching cut FinFET source/drain contact resistance while avoiding dopant tailing, threshold shifts, and short-channel effects.

A curved base-bottom embedded region shifts peak electric field away from the trench bottom to protect the gate insulating film from breakdown.

Different gap widths let sidewall mask layers fill one region but not another, enabling selective pattern miniaturization without changing all features.

Variable spacer widths in self-aligned double patterning enable local metal-line spacing control to reduce optical proximity effects and capacitance.

Cyclopentadienyl lanthanoid compounds with 2-3 substituents balance thermal stability, vapor pressure, and low melting point for faster thin-film deposition.

A dual work-function metal and barrier-layer gate stack expands CMOS threshold voltage options without adding patterning steps.

A metal-doped aluminum nitride etch stop shields semiconductor interconnects from oxidation, corrosion, and hydride or hydroxyl impurities.

A metallic insertion layer boosts effective doping by charge-plasma effect, raising recess-gate MOSFET on-current without heavy doping defects.

A silicon-containing trench liner is oxidized into silicon oxide to form fin isolation that cuts charge trapping and avoids nitride leakage.

Recessed grooves in the chuck let laser energy dissipate before impact, reducing particle peeling and avoiding frequent chuck replacement.

Aramid nanofiber and PVA aerogels use welded fibrillar networks to resist cracking while staying breathable and conformal on dynamic 3D surfaces.

A carrier panel lets multiple subpanels run in parallel, cutting packaging time, cost, and reliability issues without new equipment.

Selective DBR and cap-layer coverage keeps the dicing street clear, reducing reflective-layer cracks and moisture intrusion.

Virtual wafers train chamber-level FDC models to cut wafer experiment time and cost while preserving semiconductor process accuracy.

A rotary-actuated wire biasing tool preloads heavy bonding wire to form lower, more consistent loops in electronic package assembly.

Support patterns and a niobium-based lower electrode structure increase capacitor capacitance while limiting adjacent electrode connection in dense memory.

Separate temperature feedback for the liquid source and vessel keeps vaporization steady and stabilizes gas supply in semiconductor processing.

A sealed air gap beside DRAM bit lines replaces dielectric material to reduce capacitive coupling and improve memory cell speed.

Two-stage plasma etching with HBr/O2/CF4 and Cl2/Ar/CH4 counters micro loading to keep nested and isolated fins uniform.

Heating concentrated sulfuric acid before substrate supply selectively etches titanium nitride over tungsten with more consistent wafer processing.

Trench-filled dielectric shielding around TSV interconnects enables thicker insulation, lower leakage current, and dense wafer-level packaging.

A shower-pedestal deposits film on the wafer back side while a purge showerhead protects the top side, reducing bow and handling-related yield loss.

Metal lines with different conductor composition enable selective etching between memory blocks while preserving accurate channel coupling.

Dummy HKMG gate structures suppress polishing dishing, allowing low- and high-voltage transistors and high-voltage memory arrays on one SOI substrate.

A diffused work-function control element tunes buried gate lines to cut gate-induced drain leakage while preserving threshold voltage.

A silane-based hydrophobic via sidewall coating blocks CMP slurry leakage, reducing metal loss and preserving interconnect reliability.

Timed precursor infiltration deepens polymer resist loading to improve etch resistance and reduce line-edge roughness in pattern transfer.

Exposed contact sidewalls and curved top surfaces increase FinFET gate and source/drain contact area to lower resistance and improve efficiency.

Area selective capping on the exposed gate hardmask protects recessed FinFET gate spacers and prevents parasitic epitaxial growth.

A dehydrating gas step removes residual moisture after oxidation, stabilizing organic adsorption for uniform film thickness and step coverage.

An eaves-shaped beam damper redirects and cools reflected laser light to protect the absorption film and keep irradiation uniform.

A nitrogen passivation layer blocks Ge diffusion into the gate dielectric while preserving SiGe channel stress for better FDSOI reliability.

A directional thermal conduction member in the chuck bonding layer creates central or edge heat zones for tighter adsorption-surface temperature control.

Chemical surface roughening before resin encapsulation improves package adhesion and lowers delamination risk without harming solder wettability.

Sequential dopant implants and a dielectric silicide block preserve beta Early voltage product while reducing 1/f and popcorn noise.

A deflector and gas distributor reshape purge flow inside a substrate container to remove moisture and particles more effectively.

Controlled oxygen and oxygen-free gas flow in the bake chamber stabilizes photoresist humidity exposure and reduces wafer defects after EUV exposure.

Spacer-defined dummy lines form a gate mask for fin structures, enabling tight gate CD scaling without SADP complexity or hard mask damage.

A notched dummy-gate replacement flow improves high-aspect-ratio gate stability, limits residue, and reduces metal gate protrusion.

Connection regions create a direct carrier path to charge-balance layers, cutting switching losses without raising leakage current.

A ferroelectric gate dielectric stack raises dielectric constant to lower EOT while reducing gate leakage and preserving reliability.

Selective grafting and solubility shifting recess fill material in high-aspect-ratio openings with self-aligned precision and less process variability.

A hard mask and BARC-based patterning flow shapes work function layers while limiting gate dielectric damage and metal gate deformation.

Reentrant trenches and MELO epitaxy create micro-voids that enable SiC die extraction, substrate reuse, and low defect density.

Partial oxidation forms barrier patterns between stacked memory cells, raising energy barriers to block charge transfer and preserve data integrity.

A rotatable gas supply part with end discharge holes improves substrate gas delivery while avoiding contact with holder pillars.

Dummy gates and a two-part isolation structure improve fin and channel alignment, enabling tighter FinFET electrical control at smaller scales.

Controlled alumina grain size and spinel ratio raise withstand voltage, resistivity, and bending strength in semiconductor susceptors.

Nitrogen plasma doping limits silicide on the a-Si sacrificial layer, preserving metal gate height and lowering gate resistance.

Cyclic PECVD amorphous silicon deposition fills high aspect ratio trenches from the bottom up, reducing voids and avoiding curing or annealing.

A non-rotatable conductive adapter and welded connection member keep wafer table threads from loosening under thermal cycling.

Acoustic traps in transfer liquid guide and orient released electronic components, improving placement precision without heavy pick-and-place modules.

Fluorocarbon-oxygen etching selectively removes one block copolymer segment, enabling accurate nanoscale pattern transfer onto substrates.

A high-melting-point silicide or silicon-germanide contact stack suppresses Ni diffusion and spiking, lowering resistance through thermal processing.

A liquid film is replaced with supercritical fluid before vacuum dry-cleaning, improving substrate cleanliness without surface-tension-driven pattern collapse.

Gas-phase HF and ammonia remove substrate oxide without water marks, then thermal treatment cuts residual fluorine and supports TFT performance.

An acid-additive etchant selectively removes nitride films while limiting oxide loss, suppressing particles, and stabilizing effective field oxide height.

Vertical conductive members formed before pixel build enable under-panel driver routing, shrinking bezel area while avoiding laser-drill damage.

Elevating deposition gas pressure helps tungsten precursors reach deep memory openings, improving step coverage, UPEH, and defect control.

Dual gas inlets create wafer-level laminar flow and upper downflow to suppress stagnation, contain sublimated matter, and cut exhaust energy.

Megasonic cleaning, washboards, and reversed wafer orientation remove ions and debris from wafer-cleaning brushes while shortening break-in time.

Different gate heights and a stop layer cut semiconductor on-resistance while keeping dual-gate fabrication more controllable.

Controlled high-CO2 gas in the heat treatment space stabilizes metal-resist pattern line widths despite ambient CO2 variation.

A widened peripheral trench opening with a flush low-k top isolation layer helps prevent STI edge leakage and cleaning damage at 28 nm and below.