Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Optical phase changes in a resettable wafer sensor enable precise alignment feedback, reducing mechanical error buildup in semiconductor processing.

A graded buffer-region doping and hydrogen profile raises IGBT breakdown voltage while reducing electric field strength and reliability risk.

Photocurable resin layers shield bent display panel edges from housing impact, improving durability without sacrificing bending capability.

Multi-height bypass paths let substrates move between processing blocks without crossing modules, reducing transfer interference and complexity.

Porous silicon carbide inlays on a graphite-core chuck improve wafer stability, surface uniformity, and manufacturability.

A 3D memory peripheral transistor uses metal silicide contacts without a blocking layer to cut contact resistance, leakage, and process cost.

Laser-formed peripheral and internal modification layers thin bonded wafers and trim edges while avoiding grinding wear, waste liquid, and chipping.

Staggered multi-mask etching forms dense DRAM capacitor contact holes without repeated SADP, improving CD uniformity and yield.

Rotating cylindrical lenses and an inclined reflector spread laser heating uniformly across a substrate without rotation or fiber wear.

Parallel carrier transfer, alignment, and buffer conditioning raise substrate throughput while preserving per-substrate process settings.

A retained photoresist shields dielectric and metal features while a selective second etchant breaks through the etch stop layer to expose contacts.

Multiple oxide and insulator depositions with PEALD and controlled heating improve oxide semiconductor reliability while limiting power use.

A sealed housing and slider replace bellows in wafer lift actuation, cutting motor force needs while improving substrate force control.

Arc-shaped or grating dissociation features vent gas in the adhesive layer, improving LED chip transfer accuracy and yield.

Inner conductive and outer non-conductive V-shaped trenches keep current uniform despite etch angle deviations, improving GaN transistor reliability.

Base-plate reflow with sensor feedback keeps DPM temperature zones below threshold to reduce solder voids and epoxy delamination.

Selective etching and polishing create wafer regions with different top silicon thicknesses, enabling fully and partially depleted devices on one substrate.

Reflected-light baseline sensing lets a non-contact wafer chuck detect engagement accurately despite wafer pattern and surface variation.

A dummy gate beside the outermost LDMOS aligns oblique ion implantation, keeping body impurity profiles uniform and reducing leak current.

Recovered rinse liquid is trapped, stored, and reused on the substrate rear surface to cut fresh chemical use and environmental load.

Cryogenic plasma etching in a single chamber improves trench access, etch uniformity, and sidewall smoothness in silicon-containing layers.

A partial air gap around S/D contacts cuts parasitic capacitance while dielectric fill and an etch-stop layer protect nearby gate structures.

Alternating refractive-index layers reflect EUV light to raise resist sensitivity while maintaining line width roughness in pattern formation.

Independent multi-stage push-up members lift adjacent thin dies together, improving pickup throughput while reducing crack risk and jig complexity.

A two-stage sulfuric acid/hydrogen peroxide supply changes flow rate and acid ratio to curb splash while maintaining substrate cleaning efficiency.

Curved corner relief undercuts in a die carrier recess reduce die corner chip-out while improving placement stability during manual die placement.

A carbon stiffening film limits curvature during seed removal and thinning, enabling lower-waste polycrystalline SiC carrier substrates.

Embossed and variable-thickness film mask regions improve adhesion and reduce mura while keeping roll-to-roll photolithography patterns uniform.

A conductive carrier with an insulating layer and through holes holds diced chips during treatment, preserving dicing tape and stable electrostatic transfer.

Spacer masks self-align dopant implantation to trench edges in wide band gap semiconductors, enabling smaller cell layouts and better yield.

Selective oxidation and adsorption inhibition form dielectric films on adjacent materials while keeping recess separation film growth precise.

A single mask forms isolation trenches across cell and peripheral regions, cutting process steps, cost, and manufacturing complexity.

A dehydrated film over metal-containing photoresist blocks moisture and oxygen uptake while trapping volatile precursors that contaminate lithography tools.

Selective plasma exposure and staged etching create self-aligned vias, contacts, and lines with better alignment and fewer short circuits.

Dual isolation layers and a protruding diffusion break channel reduce VFET fabrication defects while preserving electrical isolation.

ML feed-forward scatterometry separates weak recess signals from reflections to estimate GAA transistor dimple etch depth inline.

Etched recesses filled by a connected isolation layer separate DRAM capacitor bottoms from the substrate to reduce leakage and improve electrical properties.

A fluorine soaking process diffuses dopant through the work function layer to passivate gate dielectric traps with less damage and wider process control.

Wider boundary spacing and opening margins in a multi-photomask assembly help prevent incomplete semiconductor patterns under mask offset.

A coated organometallic film forms a high-resistance metal oxide etch mask that is later removable by wet etching for efficient pattern transfer.

Plasma oxidation and staged work function deposition enable FinFET metal gates with different thicknesses for precise threshold voltage control.

A triple-stacked polysilicon stop layer controls CMP depth to keep inter-layer dielectric over devices and prevent electrode shorting.

HF gas combined with mixed organic amines etches silicon oxide faster at 200°C or below while avoiding residue and heat damage.

Sequential edge cuts before and after wafer bonding reduce trimming stress, debris buildup, and edge chipping in 3DIC stacks.

Spatially isolated stations and bidirectional wafer rotation improve plasma exposure uniformity, throughput, and low-temperature film quality.

Patterned concave-convex protrusion tops cut wafer contact and friction, suppressing ceramic particle fallout and stabilizing semiconductor yield.

An inline scanner and vacuum-matching interface box keep wafers in a controlled path to cut contamination, delay, and CD drift.

Selective etch back and a self-assembled monolayer enable fuller FinFET metal gate fill, cutting gate resistance without extra masks.

Spacer-stacked substrates guide directed self-assembly to form smaller, aligned semiconductor patterns with less wiggling and fewer defects.

A metal oxide fin access transistor boosts memory cell density by preserving switching control and operating current in limited die area.

By combining particle-counter defect locating with phase-shifting interferometry, this case enables precise DIC shape measurement for wafer polishing.

A hybrid planar-trench IGBT uses lateral channels and orthogonal trenches to cut on-state loss while preserving blocking capability and gate stability.

Barrier-layer-separated contact holes reduce single-point bridging and short circuits in miniaturized semiconductor structures.

A dual-composition epitaxial source/drain with a void expands contact area below the upper layer to cut FinFET contact resistance.

A tapered ceramic plug fit eliminates adhesives to improve positioning accuracy, fixing strength, and discharge suppression in wafer gas feed members.

A barrier layer slows dielectric etching to open source-drain contacts in mixed channel-length regions while limiting leakage and contact resistance.

An etch-adjusting layer and selective plasma etching counter pattern-density loading to keep FinFET fin widths and profiles uniform.

Varying reflector plate emissivity redirects thermal radiation to stabilize substrate temperature, improve deposition uniformity, and cut heat loss.

Separate exhaust and supply lines clear chamber residues before supercritical treatment, reducing substrate and supply-line contamination.

A preformed two-stage groove in SiC substrates reduces dicing contact, limiting chipping, peeling, and warpage for better device yield.

Two laser beams with different groove widths suppress fang-like groove ends, improving chip rupture strength and reducing cracking.

Sequential hard masks guide ion implantation to place overlapping doped regions accurately and cut misalignment defects in semiconductor structures.

A diluted co-reactant PEALD process closes buried air gaps in holes and trenches to cut intra-level capacitance without etch steps.

Stimulus-responsive ligands let a CMP cleaning brush adsorb and release polished particles, reducing reverse contamination and extending brush life.

Alternating TiN and SiN deposition cycles speeds SiN film growth and improves trench step coverage while preserving dielectric layer space.

An acid-generating SOC layer diffuses acid upward through the hardmask to cut EUV dose while reducing scum, nanobridges, and CD variation.

Liquid-like organometallic oxide oligomers fill narrow semiconductor gaps without voids, then heat treatment creates an EUV-sensitive film.

A precursor-nitrogen-oxygen cycle fills concave substrate features with seamless films, high step coverage, and fewer impurity risks.

A gas vent recess relieves laser-generated pressure in compound semiconductor substrates, reducing cracks during dicing and improving yield.

Using TiAl layers with different Al/Ti ratios, this case expands n-type FinFET threshold tuning while trapping oxygen to preserve reliability.

Directional etching enlarges hard mask openings without concave corners, reducing corner rounding and preserving pattern fidelity.

Segmented macro cells combine conducting and non-conducting micro cells to preserve forward current while improving dV/dt and dI/dt control.

A mixed semiconductor-metal interface layer strengthens electrode adhesion and helps prevent edge peeling during dicing and grinding.

GaN:C buffer layers cut lattice-mismatch defects and substrate leakage in silicon-based GaN drains, while Si-implanted AlN lowers contact resistance.

A phase-controlled seed layer enables low-temperature ferroelectric layer formation, protecting metal lines and vias while preserving FeRAM performance.

A bent guide hole lets the chuck shift perpendicular to the substrate, stabilizing grip on warped or thick wafers during cleaning or drying.

Plasma etching exposes a wider substrate surface before singulation, reducing metal-layer contact, defects, and delamination in semiconductor die.

An outer chamber surrounding the heat-treatment chamber creates a stable sealed space for high-pressure semiconductor wafer processing.

Mg spin-on-glass diffusion forms a Ga2O3 current-blocking layer with high surface concentration while avoiding high-temperature profile disruption.

A backside stress-compensation layer offsets multilayer deposition stress, reducing wafer deformation and feature misalignment in unified processing.

Laser annealing creates a trap-rich substrate surface that suppresses parasitic conduction and improves RF component performance.

Controlled oxygen and nitrogen precipitation in an SOI support substrate blocks slip lines while keeping electrical resistivity high and stable.

Different modifying gases with distinct decomposition temperatures steer element adsorption to unmodified regions, improving film step coverage and gap filling.

Multiple SiC layers with different transmittances suppress abnormal crystal growth, improve plasma resistance, and extend component reuse.

Low-temperature water keeps a soluble protective film on the wafer during dicing, then hotter water removes it without chemicals.

Stacking different ferroelectric layers balances retention, endurance, and switching voltage in memory cells without relying on one film alone.

Alternative silicon precursors in flowable CVD cut Si-H bond density and slow dilute HF wet etching in deposited dielectric films.

Average offset feedback corrects drift in chip mounting positions during continuous operation, improving placement accuracy and yield.

A wet-dry bilayer resist stack uses dose-selective EUV patterning to truncate fuzzy ends and produce crisp self-aligned cuts.

Pulsed microwave plasma forms a low-roughness UNCD hard mask that resists aggressive etching and preserves 3D NAND pattern integrity.

Multiple ALD valves feed a common gas plate to raise precursor flow, shorten cycles, and maintain pressure control in thin film deposition.

Lateral mask protrusions and roughened fin sidewalls cut adhesion between adjacent fins, reducing collapse risk and improving FinFET yield.

Alternating HFC polymer deposition and inert-gas removal improves SiN spacer profile control while preserving selectivity and limiting damage.

A 0.002-6 second mist heating window restores fast gallium oxide film growth when using low-cost chloride-based raw materials.

A SiC MOSFET case showing how selective masking and integrated Schottky regions improve reverse conduction without pitch growth or co-implantation.

Multiple ion implantations at different orientations modify the substrate surface before selective removal to improve roughness and uniformity.

Third guides and staged flow paths keep inert gas concentrated near wafers, limiting oxygen buildup and preserving wafer cleanliness.

A cyclic deposit-etch-fill sequence forms a bottom base for selective metal gap fill, reducing voids and resistivity in high-aspect-ratio features.

Tilted ion implantation adjusts dielectric etch rates around FinFET fins to offset seam-induced uneven recessing and improve device uniformity.