Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A cooled feedthrough with heater rods and inert gas passages limits edge heat loss and contamination to keep batch substrate heating uniform.

Sequential fluorine and chlorine gas steps improve metal-resist development selectivity, uniformity, and substrate protection.

A three-stage wafer alignment flow bridges the coarse-to-fine accuracy gap in lithography using dual cameras and robotic transfer.

Intentional surface damage suppresses SiC channeling to form closely spaced edge termination implants with better field distribution and breakdown voltage.

Arc-shaped side supports and semicircular back supports cut wafer stress and slip while increasing boat capacity at high temperatures.

A fixed-optics laser scan measures wafer surface slope across multiple points to calculate bow and warp with lower cost and faster throughput.

Separated deposition, anneal, treatment, and etch stations prevent chemistry mixing while enabling precise self-aligned film growth.

Etch-stop liner protection enables trench silicide source/drain contacts in FinFETs while preserving gate spacer integrity and device reliability.

Separate well and source plate paths let a 3D memory stack isolate program/read from erase biasing, reducing interference and improving reliability.

Alternating ruthenium deposition, annealing, and ozone etching fills recesses bottom-up to avoid voids and seams in low-resistance contacts.

Alternating doped semiconductor and oxygen monolayers form an RF ground plane that cuts scattering and dopant diffusion while improving breakdown voltage.

Varying trench geometry and contact spacing enables selectable capacitance in multilayer trench capacitors while supporting dense IC layouts.

Fluorine plasma converts tin photoresist to tin fluoride, boosting etch tolerance for fine semiconductor patterns without extra layers.

Argon plasma surface treatment and controlled annealing form stable superconducting vanadium silicide on silicon with less waste and tighter thickness control.

By clamping the wafer center to create a concave or flat surface, this chuck design keeps puddle chemistry on-wafer and prevents edge spillage.

Inline scanning detects component offsets and corrects photoresist wiring templates before deposition, improving lithography yield and connection accuracy.

A crystalline growth barrier around metal contacts blocks Al2O3 migration during annealing, improving hybrid bonding strength and yield.

A multi-layer resist structure combines deposited sidewall coating and non-CAR materials to cut EUV line edge roughness and improve etch uniformity.

A laser profiler fixture measures target position inside reaction chambers to correct misalignment and stabilize gas flow, thermal conditions, and film deposition.

Carbon-doped body regions in RF-SOI hold dopants near the BOX interface to limit diffusion, cut punch-through, and preserve RF performance.

A polymer protective layer improves gap filling and shields semiconductor features from wet-process damage during photolithography.

A reducing organic initiator converts nitric acid to nitrous acid, enabling rapid silicon etch start while protecting epitaxial layers.

An annular recess and selective resin removal let thin device wafers separate from support plates without UV-permeable carriers or adhesive residue.

Reinforcing ribs divide the plug gas opening to suppress plasma discharge, prevent chipping, and keep wafer processing stable.

Image-based robot calibration corrects wafer placement errors to deliver more uniform edge etching and protect chip manufacturing yield.

Etched vertical GaN channels laterally surrounded by resistive material improve electric field uniformity for high-power, high-speed HEMTs.

A sputtered compressive AlN bottom layer with alternating AlN/GaN layers controls wafer bow in GaN-on-silicon growth and cuts dislocations.

Merged tie bar chains replace tie rails to prevent molding misalignment, reduce package chipping, and speed singulation.

Plasma treatment and oxide film formation protect the photoresist profile, enabling finer spacing with lower line width roughness in one patterning flow.

Sidewall-defined protruding gate parts increase contact area as gates shrink, lowering resistance and improving connection reliability.

Electric-field deposition and annealing drive thin HfO2 into a ferroelectric phase, cutting parasitic capacitance and subthreshold swing in FET gates.

A low-friction member on the chamber fastening protrusion cuts wear and particles while preserving high-pressure sealing and substrate cleanliness.

Heat treatment plus crystal-plane selective etching forms sharp-cornered 2D vertical fins with more uniform channel thickness and drive current.

Global and local write drivers segment memory bit lines to cut resistive and capacitive loading and speed data writes.

H2 annealing and sacrificial oxidation stabilize trench-gate SiC MOSFET gate oxide, cutting reverse leakage and breakdown risk.

Opposed load ports, a rear load lock, and vertical robot transfer cut installation area while improving substrate processing efficiency.

A back-to-back selection and memory gate structure cuts SONOS chip area and simplifies external circuit design with self-aligned gate formation.

Inclination detection and holding-position correction keep substrate edge processing at a constant radius for accurate full-circumference results.

Selective hard-cover etching removes chromium residues from phase shift photomasks without extra lithography, cutting defects, cost, and turnaround time.

Sacrificial spacers and dielectric separation set fin gate pitch precisely, prevent fin collapse, and support lower standby current.

Sacrificial channel fills and a nitride etch-stop tier enable stacked NAND strings with more reliable vertical connections and stronger array integrity.

Automated robots align, lock, and transfer semiconductor dies in jigs to process chambers, reducing manual handling errors and interruptions.

A denser IMD in the high-voltage region prevents dielectric breakdown while low-k layers still reduce RC delay in embedded chips.

Alternating low- and high-pressure precursor cycles form TiN films with smoother surfaces, strong conformality, and good conductivity in trenches and vias.

Dynamic vent gas pressure and flow control conditions a loadlock chamber faster, enabling parallel wafer handling with lower particle contamination.

A partitioned FOUP spaces 200 mm SiC substrates to carry up to 25 wafers while limiting contact, deflection, and transport damage.

Oblique loading and warpage estimation keep warped substrates aligned during transfer, reducing displacement and particle generation.

Selective HfOx on trench contacts acts as an etch-stop insulator, preventing gate shorts while enabling larger, lower-resistance vias.

A metal oxide film plus metal liner contact layer lowers FET contact resistance while preserving threshold voltage and ON current.

A dummy gate supports the insulation layer during CMP, preventing dishing, trapped metal residue, and contamination in metal gate replacement.

Sequential metal halide and diethyl zinc exposure forms semiconductor metal films with low carbon contamination and high purity.

Low-energy channeling implantation forms a self-aligned trench bottom protective region, reducing surface damage while preserving deep shielding.

A taller separation structure with split gate dielectrics improves electrical reliability while limiting process defects and fabrication burden.

A nitride spacer confines LOCOS oxide in a recess, limiting bird's beak spread so high-voltage MOS transistors can shrink without losing isolation.

Controlled mold flow fills the chip-substrate gap uniformly to eliminate voids, reduce delamination, and improve package reliability.

Antimonene source-drain contacts and ALD-grown 2-D layers cut contact resistance while improving mobility, drain current, and reliability.

Pre-wetting a heated rotating wafer and adjusting rotation helps limit edge cooling, improve temperature uniformity, and cut chemical use.

Multiple wafer spin-speed changes during photoresist dispense cut EUV resist use while keeping coating variation below 2 nm.

Distribution electrodes and adhesive-free layer bonding help an electrostatic chuck deliver uniform RF power and more consistent wafer processing.

Dry etching removes residual core from semiconductor contact pads while preserving connection area and reducing fracture risk.

In-situ argon plasma annealing within ALD cycles tunes TiN metal gate work function at low temperature, improving MOSFET performance and power use.

In-situ vibration testing with FFT reveals defects in semiconductor chamber assemblies, enabling timely replacement and longer component use.

Cyclical deposition of TiAlC layers raises PMOS work function while maintaining low resistivity, uniform composition, and step coverage.

Intersecting first and second masks stabilize bit line groove etching, preventing collapse and improving pattern accuracy in semiconductor structures.

An elastic coupling and integrated seal let a gas box valve transmit torque from outside the housing while maintaining airtightness despite installation misalignment.

A conformal SiOCN sidewall film blocks unwanted epitaxial silicon growth at SOI boundaries, preventing bulges and improving yield.

Multi-step dopant implantation and via metallization form diode and BJT regions that lower resistance and improve SOI stability.

Serrated wafer holder geometry keeps contact points and spacing uniform, improving cleaning flow while reducing chip damage risk.

A recessed insulating structure and filling layer regulate peripheral-region stress while preserving plug isolation and preventing interconnect peeling.

Wider trench slits in 3D NAND staircase regions improve metal fill and etch uniformity, helping prevent gate shorts and leakage.

A fluorine concentration gradient in a photosensitive resin film preserves low dielectric properties while improving plated copper adhesion.

Inclined nozzles and parallel wall members create controlled airflow that spreads lightweight conductive balls evenly and seats them faster in mask recesses.

Luminescent nanothermometers on the wafer surface enable non-contact, real-time temperature mapping during processing in harsh environments.

A telescoping platform extends into large semiconductor chambers to automate faceplate handling and reduce difficult manual removal.

A single feed controller and switchable branch valves let each placing section receive precise purge gas flow without multiple control devices.

A thermal ALE sequence using WF6, DMAC, and oxidation enables precise plasma-free etching of ZrO2 and HfO2 with low contamination.

An ashable trench mask enables lower-energy SiC implantation, protecting gate oxide while controlling doped region spread and current flow.

Thick doped silicon oxide films are annealed above glass transition to fill 3D NAND gaps with near-zero stress, shrinkage, and wafer bow.

Independent chemical supply lines let semiconductor fabs test batches while maintaining production flow and consistent filtration.

An embedded conductive layer on a metal gate lowers contact resistance and self-aligns the contact interface despite scaled features.

A capture engine bridges non-standard tool interfaces to automate eOCAP monitoring, enabling real-time deviation detection and correction.

A pivot pin and pin holder create a self-locking wafer container that preserves clean sealing while keeping opening and closing manageable.

A preformed stress film on a dummy gate raises transistor channel stress after gate replacement, improving carrier mobility and response speed.

Filling initial openings before a second lithography step preserves pattern precision, improves opening yield, and cuts photomask cost.

A self-crosslinkable photocurable resin forms wafer edge films that resist etching, prevent metal contamination, and simplify edge protection.

Rear-surface nozzles and a close bowl layout clean substrates without reversal while limiting vortex-driven droplet re-dispersion.

Non-stoichiometric silicon nitride tiers create a controlled etch stop in stacked memory arrays, simplifying channel formation and improving access reliability.

A non-metallic conductive wafer backside layer enables secure electrostatic clamping while reducing etch contamination and electrostatic damage.

A heat-resistant back surface film shields semiconductor wafers during 200°C+ annealing and front-side processing to reduce contamination, scratches, and leakage defects.

Vertical sidewall spacers and a selective filling layer improve fine pattern transfer consistency while reducing bridging and breakage.

One command is converted into virtual jobs that coordinate multiple substrate processing tools, reducing operator load while preserving SEMI compliance.

Maintaining the wafer treatment chamber below atmospheric pressure prevents gas leaks, limits seal wear, and stabilizes flash heating cycles.

Defined trap energy levels and density in the drift layer align on-voltage and switching loss across silicon-based semiconductor materials.

Center-first and edge-following pressure in hybrid bonding expels air and particles, preventing trapped bubbles and improving chip-substrate connection reliability.

A split-conductivity gate layout suppresses parasitic MOSFET action, cutting leakage current and helping prevent punch-through.

Self-aligned spacer patterning forms hexagonal close-packed holes at one-third pitch while cutting lithography steps, alignment time, and cost.

Hydrogen water after plasma cleaning helps wafer surfaces stay hydrophilic longer, improving bonding quality over time.

Hydrogen-termination plasma preserves fluidic oligomer flow in fine recesses while reducing residual carbon to form dense insulating films.

Integrated weight measurement at the workpiece handling stage removes a separate weighing step, enabling faster resin amount calculation and sealing.

Selective UV exposure through a patterned window locally shifts film stress to counter wafer bow and improve lithographic overlay in 3D-NAND.

A stepped memory-logic boundary with a logic wall reduces CMP edge dishing and erosion, helping embedded memory gates maintain height and lower leakage.

A segmented cap layer over selective epitaxy improves FinFET surface evenness while preserving channel stress for better device performance.

High-density flat mesas spread wafer clamping force to cut backside indentation and film cracking while keeping particle-generating contact low.

A hyperbolic dummy gate profile widens the source/drain growth window while preserving gate spacing to prevent leakage in FinFET fabrication.

A dielectric region inside the FinFET gate separates adjacent epitaxial regions, preventing overgrowth shorting at small fin pitch.

A peroxide-fluoride etchant removes titanium seed layers quickly while suppressing copper and cobalt elution for stable substrate processing.

A conductive shelf path and current controller drain excess wafer charge to the stocker, reducing electrostatic damage in later fabrication.

A fin-shaped metal gate increases contact area to cut gate resistance while controlled low-k gapfill reduces etch-related electrical issues.

A recessed channel with a rounded gate dielectric edge lowers electric field strength, reducing GIDL and HCI in scaled MOSFETs.

A superlattice gettering layer traps MIC metal particles and blocks diffusion, improving channel quality, mobility, and memory yield.

Oblique and self-aligned ion implantation shortens the SiC MOSFET channel, lowers on-resistance, and removes a separate mask step.

Elastic buffer elements between rigid container parts absorb vibration, limit friction dust, and prevent loosening from thermal expansion.

A recessed MTJ stack with pinned, barrier, and free layers cuts chip area and power use while improving magnetic sensitivity and temperature robustness.

Radiation annealing creates a Sn-rich GeSn source/drain surface that lowers contact resistance and improves dopant activation in scaled semiconductor devices.

Surface treatment of the FinFET spacer dielectric resists etching during dummy gate removal, preserving gate-to-source/drain isolation.

Controlled compaction and silicon-matched thermal expansion help glass substrates suppress warping, pattern shift, and chemical clouding.

Offsetting the mold gate toward high-resistance component areas and venting excess air improves encapsulant coverage and cuts voids.

Mesas embedded in an insulating matrix create a structured III-V wafer surface that lowers on-resistance and improves current and switching.

Low-temperature oxide etching transfers Ti/Au source-drain contacts without Fermi level pinning, enabling CMOS channel type control.

Alternating metal carbonyl precursor and inhibitor gas pulses suppress nucleation on non-growth surfaces for more selective, uniform metal films.

A switch-back SiC substrate uses epitaxy and direct wafer bonding to cut defect density and support reliable high-breakdown power MOSFETs.

A dual barrier layer and protective mask help HEMTs achieve normally off operation while avoiding etch damage under the gate.

Cyclical deposition-etch forms doped epitaxial source/drain tips with precise dopant placement to boost mobility and cut parasitic resistance.

Graded AlGaN p-i-n heterojunction stacks cut background carriers and leakage in HEMT epitaxy while improving resistance and reproducibility.

Multiple etch and polymer cycles shape fin sidewalls and neck regions to improve FinFET electrical control while reducing leakage.

Coupling laser marks bridge unprocessed wafer line intersections to suppress radial cracks and preserve device chip quality.

A sacrificial layer replaces the unstable photoresist mask during etching, preserving opening precision and process margin in fine pattern cutting.

Notched source/drain corners with inlaid contact regions, epitaxy, and silicides improve vertical transistor scalability and carrier mobility.

Dummy border fins equalize etch micro-loading at fin array edges, then are removed to keep active vertical fins dimensionally consistent.

A trench semiconductor layout uses tuned accumulation and drift-region doping to cut turn-on loss while preserving breakdown voltage.

Argon plasma after liftoff smooths and tapers tunnel junction bottom electrodes, reducing notches and improving yield and stability.

A fluoride-based substrate processing solution removes etching residues while protecting copper and preserving aluminum etching in multi-metal layers.

Surface annealing, oxidation-deoxidation, and CMP cut roughness and defects in the first transferred layer to improve second SOI bonding.

An enriched body region in a MOSFET limits reverse-current-triggered parasitic bipolar activation while lowering gate-edge electric field and dissipation.

A side-opening overhaul window and two-sided conveying access simplify cleaning and repair inside a deep photovoltaic robot storage bin.

Alternating p-shielded trenches and deeper p-body connections cut on-resistance at high drain voltage while limiting short-circuit current.

Graded pillar doping in a super junction MOSFET lowers surface electric field, raising breakdown voltage and FOM at smaller cell pitch.

Feedback-controlled drain flow keeps semiconductor cleaning liquid concentration stable as single-wafer tool demand changes.

Independent light-emitting modules on a water-cooled plate improve wafer heating uniformity and reduce low-temperature measurement error.

Alternating developing and purging gases improves inorganic EUV photoresist etch completeness and selectivity across varying pattern aspect ratios.

Pulsed laser dividing origins and a crystal-plane separation layer split silicon wafers with far less back grinding, wear, and dust.

A movable platen creates a slit so a separating sheet can release a flexible substrate without direct pulling damage, improving yield.

Detachable interface frames let semiconductor tools add functions within fixed line space while preserving sealed, adaptable core-module housing.

Air gaps around source/drain contacts cut parasitic capacitance in dense semiconductor layouts, lowering power use and RC signal delay.

Non-planar source follower transistors increase effective channel width to cut bitline setting time and RTS noise in small-pixel image sensors.

Preconditioning wafer temperature before chamber entry reduces convection and buoyancy errors, improving semiconductor mass measurement accuracy.

A three-layer stack adds a supporting protective layer to block hardened photoresist residues and improve patterned metallic layer cleanliness.