Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Alternating deposition and etching gas steps improves substrate film uniformity and selectivity by removing nuclei and voids.

Magnetic levitation moves a substrate stage into the processing chamber through an opening, cutting footprint while suppressing contamination.

Controlling resist exposure at or below 2×Df forms forward-taper master mold structures for smoother imprint transfer and higher yield.

A transparent scale plate makes wafer gap measurement visible, replacing blind adjustment to improve film uniformity and wafer yield.

Spin-on group V surface doping raises IGZO transistor current density without the surface damage and cost of conventional doping.

Selective source and back-gate doping lowers parasitic NPN base resistance, improving LDMOS avalanche ruggedness without raising source resistance.

UV light below 255 nm photodissociates hydrogen sources to reduce surface oxides and hydrophilic groups without complex plasma equipment.

Asymmetrical nozzle ports and inner-tube slits improve ALD gas delivery and dispersion, helping maintain uniform thin-film step coverage.

Hydrazine-borane precursors enable CVD and ALD growth of amorphous BN films with ultra-low k, reducing parasitic capacitance and crosstalk.

Load ports switch between transfer and storage modes, expanding wafer pod capacity while preventing erroneous container handling.

Tungsten-doped boron hardmasks improve silicon etch selectivity at lower film thickness while preserving lithography transparency and uniformity.

Tiltable laser reflection and substrate rotation improve temperature uniformity and etch rate distribution during substrate treatment.

A self-assembled monolayer on metal lines blocks dielectric deposition and diffusion, simplifying FSAV processing and improving yield.

Vacuum-driven grooves and through holes collect particles below the transfer path, keeping semiconductor substrates cleaner during handling.

Pre-doped STI beside Ge-rich NMOS source/drain regions suppresses n-type dopant loss during high-temperature fabrication and lowers contact resistance.

Independently actuated chuck pixels match wafer warpage to improve retention, reduce scrap, and avoid manual flattening.

Adjacent hybrid nanosheet rows with different sheet counts enable single-mask APR placement, cutting alignment complexity and cost.

Capillary-driven nano-filler with a wetting angle of ≤30° fills high-aspect-ratio microvias without vacuum or pressure, reducing voids and cost.

High-pressure oxidation and FCVD improve trench gap-fill oxide density, reducing voids, stress breakage, and electrical degradation.

Intercalated 2D contact patterns cut source-drain contact resistance while preserving the high charge mobility of a 2D channel.

Pre-oxidation exploits germanium concentration differences to selectively remove SiGe layers while preserving gate structures.

Multiple nozzles control deionized water and etchant flow to selectively thin folding regions while preserving foldable window integrity.

Side-chain tuning in a photosensitive polyimide improves electrode adhesion and enables thick cured relief patterns with solid mechanics.

A low-surface-tension processing solution selectively removes one recess termination, enabling precise film formation on the other surface.

Patterned insulation and etch vias create tethered semiconductor devices that release cleanly for robust, lower-step micro-transfer printing.

Temporary chip transfer and laser separation enable direct wafer bonding with high alignment accuracy while suppressing bubbles and contamination.

Selective cavity merging forms dielectric isolation regions in memory dies with less trench taper, improving alignment, stability, and process margins.

Low-temperature vapor growth of Te nanomesh uses van der Waals interactions to scale electronics across flexible, curved, and wafer-size surfaces.

An etching controller in an oxidizer-acid composition regulates molybdenum layer etch rates to limit damage and protect device reliability.

A boron-doped epitaxial layer and dielectric trench fill block tilted light and isolate neighboring pixels to reduce crosstalk and dark current.

A masking-layer contact opening guides field plate formation to control etch depth, reduce shorting and leakage, and improve yield.

Plasma pre-treatment forms an interface layer on ruthenium before PECVD silicon nitride, cutting roughness and resistivity in memory devices.

A molybdenum Schottky layer on SiC uses controlled thickness and junction flatness to lower forward voltage while stabilizing reverse leakage current.

A joining layer with stable dielectric tangent limits dielectric heating changes, helping electrostatic chucks keep wafer temperature uniform.

An ultrasonic water film cleans rotating substrate edges without immersion, removing contaminants that can cause exposure defects.

Single-chamber spacer cycling forms uniform sub-20 nm nanostructure arrays with better process control, fewer defects, and lower strain.

Real-time monitoring and digital replica models adjust fab process parameters to cut per-unit energy, water, and emissions.

Cyclic selective deposition of passivation and etch-stop layers improves semiconductor pattern accuracy while easing etch-stop thickness control.

Sequential molecular layer deposition adds selective carbon layers to photoresist, tuning height and critical dimensions for precise etching.

Lowering liquid surface tension lets a processing solution reach recess interiors and selectively remove one surface termination while preserving another.

Directed etching-liquid discharge offsets bubble buildup at the tank top, preserving temperature and improving etch uniformity across the substrate.

A thick-thin gate insulating film and field relaxation region reduce electric field concentration, improving VDMOS withstand voltage and yield.

A rotary substrate holder moves wafers through multiple liquid processing positions in one chamber, improving versatility while limiting liquid use and particles.

Organic solvents with SP value 9.8 or higher cut viscosity and surface tension, enabling uniform cellulose thin films for precise wet etching.

A stacked trench contact and self-aligned gate strap layout improves overlay margin, lowers gate resistance, and supports denser FinFET fabrication.

Using both front and back wafer surfaces, this case cuts via height and stack thickness while improving area efficiency for heterogeneous semiconductor integration.

A smooth inner polyethylene surface with low ash and catalyst residues helps suppress fine particle and metal impurity elution in high-purity chemicals.

Transparent moulding with light shielding and filtering layers protects photosensitive chips, simplifies camera module assembly, and improves yield.

A screw-driven moving part and retractable shaft clamp automate bulky tape transfer while reducing manual handling risk and tape deformation.

A shared-drain oxide TFT layout enables low-temperature BEOL memory integration while saving cell area and protecting FEOL CMOS devices.

Segmented inner, transition, and outer regions with trench isolation cut crosscurrents and crosstalk while preserving high-voltage blocking.

An underlayer and etching stop stack reduces array-region defects and electrical shorts as memory cell spacing shrinks.

Alternating metal oxide and silicon oxide sub-cycles enable conformal oxide films at lower temperatures without plasma damage in high aspect ratio features.

A sacrificial hard mask and gaseous etch release the substrate cleanly, reducing contamination and expanding material compatibility.

A collection rotor, drain holes, and exhaust remove rinse fluid during final drying to prevent splash-back, oxidation, and watermarks.

Controlled laser modification regions connect cracks only where needed, enabling cleaner wafer separation with lower tensile force and less residue.

A barrier doped region over a deep trench improves carrier blocking and drift-region hole concentration, cutting IGBT on-resistance and turn-off loss.

Near-IR photoluminescence sensing measures wafer temperature through quartz and process liquids, avoiding mid-IR opacity and bubble noise.

Organometallic infiltration followed by HF exposure forms metal fluorides in a polymer film, improving CF-based etch resistance for precise semiconductor patterning.

Ion implantation, annealing, and CMP split and transfer GaN epitaxial layers onto insulating substrates with fewer defects and less processing time.

An inert gas plasma enables low-temperature silicon-containing film deposition while preventing oxidation of the underlying substrate.

A cap layer and dielectric polishing control edge consumption and dishing, preserving nitrided layer thickness to prevent wafer short circuits.

Microwave oxidation selectively removes silicon nitride and hardmask layers while avoiding plasma damage to underlying semiconductor features.

Segmented laser-modified portions guide wafer cracking and splitting to reduce substrate chipping while protecting semiconductor layers.

A multilayer epitaxial source/drain stack blocks dopant diffusion to cut DIBL leakage while improving FinFET conductivity and Ron.

A movable pressing portion reshapes the pad to bond flat and curved display windows evenly, improving lamination quality without extra shaping steps.

A self-aligned SiC power MOSFET process uses spacers, hard masks, and source trenching to prevent channel asymmetry and parasitic turn-on.

Sealed air-gap cavities beneath on-chip inductor windings cut substrate energy loss and raise quality factor without increasing chip area.

A graded semiconductor stack uses diffusion barrier and implant capture layers to control hydrogen splitting and improve SOI wafer production.

Iodine with a non-peroxide oxidizer dissolves noble metals from InP surfaces for ICP-MS quantification without indium line interference or phosphine release.

By converting the nitrogen-containing mask into the gate dielectric, this case avoids phosphoric acid damage, cuts surface defects, and improves breakdown voltage.

A reflector opening lets the terminal block contact the cooling plate directly, improving cable cooling and lifespan while keeping wafer heating uniform.

A mask-guided dry etching process forms submicron surface texture around recessed portions while keeping recess bottoms free of the structure.

Stacked photoelectric converters use an optical filter and surrounding light shield to limit leaked and oblique light for cleaner wavelength separation.

A stage stop limits reverse movement during docking, cutting door load while keeping storage container lids reliably sealed.

Discrete hard mask openings and via expansion form a continuous moat trench that prevents arcing while building a robust semiconductor edge seal.

An insulating interlayer with low interface porosity suppresses conductive paths and breakdown in electrostatic chuck ceramic joints.

By controlling phosphoric acid concentration with added silicic acid compounds, the process keeps nitride-to-oxide etch selectivity stable while cutting liquid use.

A high-k blocking layer shields the gate interfacial layer during annealing, cutting oxygen-driven defects, leakage, and CET in GAA transistors.

A back-side oxide barrier blocks charge trapping layer deposition, preserving SOI handle wafer flatness for lithography and wafer handling.

Dummy photoresist fences, intersections, and zigzag layouts segment long lines to prevent collapse and overlap during semiconductor patterning.

A dual-pod reticle holder enables sealed ID viewing, EMI shielding, and static charge dissipation to reduce ambient exposure during handling.

A two-stage thermal reinforcement with edge grinding strengthens SOI bonded wafers while reducing slip lines, delamination, and yield loss.

A tailored photosensitive resin and sensitizer enable thin semiconductor films with high pattern resolution, low roughness, and reduced curing shrinkage.

Wider capacitor fins and ion implantation raise 3D capacitance while preserving FinFET fin geometry and FEOL compatibility.

Offset upper and lower heater lamps with pyrometer feedback improve substrate temperature uniformity and reduce layer variation during deposition.

A laser-formed internal layer and flush edge protection reduce wafer grinding waste, tool wear, chipping, and cracks in hard substrates.

Deformable substrate chucks and a volatile lubricant align mismatched bonding surfaces for faster, more versatile PCB component placement.

Benzooxazine-based underlayer and photoresist materials cut lithography residue defects while preserving precise fine-pattern formation.

An AlN and 3C-SiC nucleation stack with boron nitride layers helps grow crack-free GaN on silicon despite lattice and thermal mismatch.

Metal oxide substrates and NiO/Ga2O3 superlattices improve epitaxial crystal quality, cutting defects that limit efficient UVC emission.

A narrow-gap chamber lid and purge gas retain low oxygen around the wafer, cutting thermal shrinkage while speeding bake heating and cooling.

A thin silicon layer, low-temperature first oxide, and anneal sequence suppress rough silicon deposition and reduce short circuits in dense isolation trenches.

A stacked 3C and 4H/6H polycrystalline SiC substrate enables direct bonding of single-crystal SiC while reducing thermal deformation and interface conductivity loss.

Embedded pads act as etch and polishing stop surfaces to control buried oxide thickness and preserve optical coupling accuracy in photonic chips.

Segmented AAO pores keep MIM stacks in circuit areas while opening dicing lanes to cut chipping, delamination, and substrate cracking.

A crystalline barrier oxide shields the TFT channel from etchant erosion and interface defects, improving mobility and electrical stability.

Multi-stage stepped trench etching with etch stop patterns improves 3D memory layer integration while maintaining structural stability and reducing defects.

A stress-accumulating separation layer enables cleaner laser lift-off, reducing improper substrate separation and device-layer damage.

Notched wiring ends and insulating-film gaps improve narrow-line coverage, cut capacitance, and suppress electromigration defects.

A wafer chuck reshapes bowed substrates into a concave or flat surface to hold puddle chemicals, maintain full coverage, and prevent edge spill.

Thermal cycling sets different temperatures for surface modification and dissolution, improving wet ALE uniformity and surface finish.

A separate protective-liquid zone enables alkaline removal of substrate wrap-around layers while preserving the emitter layer.

A cyclic halogenation-and-dissolution wet ALE process etches ZrO2 and HfO2 selectively while preserving TMD crystallinity and surface smoothness.

Varying opening ratios across an etch mask enables deep wet-etched cavities with controlled curvature, symmetry, and lower leakage risk.

A thin silicon liner on mask hollow walls shrinks trench critical dimension, helping prevent container shorts without sacrificing capacitor value.

Varying dopant concentrations across SiC drift, well, and source regions improves carrier mobility and lowers resistance in power MOSFETs.

A liquid-filled pad uses interfacial tension to hold and transfer frame units, cutting pad cost and contamination without grooves or vacuum.

In-situ pre-cleaning and pre-heating in an existing ONB tank cut wafer cross-contamination and stabilize CHB etch rates.

A wedge plate and diffractive optics split multimode laser beams into smaller-mode beams, increasing focused spots while preserving accuracy.

Fluoride-ion etching plus in-hole silicon-oxygen sidewall protection keeps deep stacked openings collimated and reduces notch defects.