Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A deeper polysilicon gate and buried source with RESURF cut gate-drain capacitance while limiting on-resistance in trench-gate MOSFETs.

Trench-based dopant diffusion replaces high-energy implantation to deepen charge storage regions while limiting lattice defects and dark current.

Conduit-based positioning masks guide single electronic objects onto display substrates, easing alignment and reducing transfer damage.

Optical imaging detects symmetry-axis offset during rotation, then repositions the chuck to align the workpiece for more accurate inspection.

A recessed core in a hollow semiconductor pillar enables deep ion implantation with lower acceleration energy, better dopant positioning, and lower cost.

Localized wafer support and heating speed die bond planarization, reducing pick error, calibration steps, and wafer cracking.

In-situ oxidation converts TSV etch residue before cleaning, improving through-via adhesion and electric reliability in 3D semiconductor interconnects.

A non-planar detachment region formed by laser or ion lattice modification helps thin wafers stay flat after coating despite thermal mismatch.

A dielectric silicide block leaves an unsilicided emitter ring to cut 1/f and popcorn noise while preserving high beta Early voltage.

A side-mounted load lock with vertical substrate transfer cuts semiconductor tool footprint while preserving atmospheric-to-vacuum handling.

A deposited hafnium nitride or carbide layer is oxidized to expand into gaps, enabling void-free hafnium oxide fill in high-aspect-ratio holes.

Remote plasma CVD forms selective SiGeSn:B films at 200-400°C, overcoming precursor incompatibility to lower pMOS contact resistivity.

A flexure ejector pin with voice coil drive enables continuous micro-LED die transfer, improving placement precision and throughput.

Co-flowing HF and ozone gases selectively etches titanium and TiN while limiting attack on silicon and silicon germanium in dry processing.

Aligning ion implantation to SiC crystallographic axes creates angled deep doped pillars, improving breakdown voltage and lowering on-state resistance.

Horizontal lugs and a lower support let fractured substrate parts separate by gravity, reducing contact damage and contamination.

Alternating carbon-rich spacer layers with nitrogen plasma densification lower k value while resisting moisture, oxidation, and metal diffusion.

A cut metal approach forms tapered metal gate vias with a wider base, lowering interface resistance and avoiding voids in scaled devices.

A bilayer undercut mask enables shadowed GaN mesa growth with smooth sidewalls, avoiding etch damage that drives leakage current.

Selective removal of the second protection layer keeps MEMS light deflector side surfaces smooth, improving vibration stability and durability.

Microwave irradiation in liquid heavy water replaces unstable Si-H bonds with Si-D bonds, cutting defect density and heat-driven hydrogen outgassing.

A guided etchant front removes laser-modified material along long channels, cutting over-etching and etching time in selective laser etching.

Hydrogen plasma etching smooths silicon carbide wafers for epitaxial growth without CMP, cutting surface damage risk and process time.

A thermosetting filler is applied and cured in the substrate edge gap to reinforce bonded wafers and suppress cracking and chipping during thinning.

Integral contact plugs and connection portions create a lower-resistance path in stacked memory cells, improving speed and operating reliability.

Thermal dopant diffusion forms a robust field-stop region that improves vertical-channel semiconductor reliability at high voltage and temperature.

Substrate projections in the photomask shading region suppress 140-800 nm reflections, reducing multiple exposure and improving pattern accuracy.

Multi-layer coolant channels at different depths improve wafer temperature uniformity and cooling efficiency in ceramic wafer chucks.

Laser-heated titanium compounds form the SiC backside ohmic contact before thinning, cutting wafer flipping, cracking risk, and RON.

A noble metal contact and alkaline oxidizer accelerate galvanic etching of tungsten films while preserving underlying patterns.

Edge clamping with a frame body and chuck claw flattens bent carriers before preheating, improving heating uniformity and reducing molding defects.

Locally transparent and emissive OLED regions balance one-way light output with at least 5% transparency while avoiding complex display construction.

Automated door opening, storage, and closing remove manual load port bottlenecks and support parallel wafer carrier handling in FABs.

Selective electrode etching confines plasma-damaged ferroelectric regions outside the electrodes, improving FeRAM data retention and lifetime.

Support structures split gate line slits and a connection layer joins source contacts to cut resistance, leakage, and misalignment in 3D NAND.

Multilayer ferroelectric stacks or gradient doping widen capacitance matching windows, cut leakage, and improve negative capacitance tuning.

Pre-shaped photoresist sidewalls compensate spacer stress relaxation, preserving spacer angle and critical dimension during substrate etching.

Acid-etched concave-convex patterning in the camera window hole cuts interface reflection and preserves resolution without weakening protection.

Grayscale UV exposure and controlled cure ramping smooth curable 3D semiconductor structures, reducing assembly steps and interconnect cracking.

A lattice-matched semiconductor layer constrains FinFET fin wiggling, improving patterning reliability and yield at smaller nodes.

Collective heating, suction removal, and masked reflow replace flawed solder balls on electronic packages with less waste and accurate placement.

Straightening sacrificial gate sidewalls and pulling back spacers widens gate openings, improving etch-back uniformity while reducing fin damage.

Multiple metal nitride barrier layers protect contact sidewalls and silicide interfaces to limit diffusion, preserve dimensions, and avoid shorts.

Alternating tungsten deposition and molybdenum-based thermal etching suppresses top pinch-off, improving gap fill and lowering stress.

Closable openings, airflow control, and sealed joints contain wafer-process leaks inside the module and protect the transfer chamber environment.

MXene contact patterns bridge 2D channels and metal electrodes to cut contact resistance and improve semiconductor electrical characteristics.

RFID-linked edge ring IDs and carrier slot mapping prevent loading errors, mixed-carrier confusion, and wafer scrap in semiconductor processing.

A gate formed inside a substrate recess with dual-thickness dielectric and trench isolation lowers off-capacitance and isolates the active region.

Rotationally symmetric electrode regions and wire-layer connections improve OLED panel current distribution, brightness uniformity, and bezel-less integration.

Oxygen-free PEALD uses alkoxy silicon precursors and hydrocarbon or hydrogen plasma to control SiOC step coverage and wet etch behavior.

H2O plasma treatment neutralizes charges on patterned metal hard masks, preventing Van der Waals particle adhesion and ensuring complete trench openings.

Energy beam treatment modifies low-k dielectric layers to increase fracture resistance, preventing catastrophic channel cracking in integrated circuits.

A dual-chamber etching system transfers unreacted xenon gas between processing units to reuse the etchant across wafers.

Backside cleaning removes polymer residues from wafer surfaces, preventing fluorine contamination on bond pads that causes unreliable bonds and low yields.

A laser processing apparatus splits pulsed beams via birefringent optics to form zigzag cut surfaces.

A substrate liquid processing apparatus uses vertically stacked guide cups to direct scattered process liquids downward toward dedicated recovery tanks.

A reverse tone STI process uses epitaxial growth to define active regions within dielectric isolation structures.

Epitaxial growth replaces ion implantation to eliminate crystal defects, improving current gain and reliability in silicon carbide bipolar junction transistors.

Repetitive oxidizing and HF solution treatment effectively removes partially mixed oxygen ion implanted layers, improving SOI layer thickness uniformity.

Converting hydrogen-terminated silicon to amine groups allows blocking layers that prevent deposition, resolving selectivity issues against strong Si-H bonds.

Graded channel doping reduces the JFET cut-off voltage while maintaining low on-resistance and preventing high-voltage breakdown.

A silicon heterojunction solar cell uses an ultrathin type III-V emitter to enable tunneling-based carrier collection.

Silicon-containing film suppresses aluminum oxide crystallization on group III nitride semiconductors.

A programmable element uses a floating gate electrode to store electrical charge for non-volatile memory applications.

A GaN capping layer shields an AlN buffer from oxidation, reducing threading dislocations and ensuring a uniform Ga-polar surface.

Segmented trenches with lateral cavities isolate power devices on standard silicon, lowering manufacturing cost while maintaining breakdown voltage.

A silicon carbide MOSFET gate electrode uses a segmented connection structure to lower electrical resistance while maintaining threshold voltage stability.

A photoresist stripping device uses a metal-organic framework filter to adsorb dissolved oxygen from the solution.

Stacked epitaxial layers with varying germanium concentrations increase the interfacial area, reducing contact resistance in scaled FinFET devices.

Removing surface oxides enables bottom-up ruthenium embedding, reducing electrical resistance and preventing oxidation.

Rare earth oxide insulation layers lattice match single crystal silicon to reduce defects and improve heat dissipation in high-density devices.

Anisotropic deposition selectively builds mask thickness to reduce line edge roughness while maintaining critical dimension uniformity.

Segmented buffer layers with controlled electric potentials prevent on-resistance increases and leakage currents during high voltage switching operations.

Segmented doors and a blocking member minimize external space occupation during maintenance while maintaining inert gas atmosphere integrity.

A rotating turntable moves substrates through alternating process and purge zones to manage film deposition and etching steps.

A polymer assist layer reduces line width roughness by 50% and enlarges the collapse window for precise FinFET patterning.

Segmented guard ring structure disperses equipotential lines to prevent creeping discharge on insulating protection films.

Physical vapor deposition of a gallium layer at low temperature enables selective growth of semiconductor structures on silicon substrates.

A dual-layer source/drain structure positions a first doped layer close to the gate and a second layer farther away to manage electrical properties.

Ar/O2 plasma treatment reduces barrier diffusion oxide height, forming a bottle-shaped gate structure that prevents electrical shorts.

A cleaning fluid guide device uses an electric field to orient spray flow and control the angle of impact on a semiconductor wafer.

Oxidizing mandrel sidewalls defines reduced thickness fins, improving gate electrostatic control and drive current density.

Segmented etching widens the trench to eliminate polysilicon seams, reducing element damage and stabilizing critical voltages.

InAsSb contact layers enable P-on-N polarity inversion, resolving ROIC mismatch and forward bias issues.

A multi-layered mask with a non-photodefinable laser absorbing layer patterns substrate regions for subsequent plasma etching.

Merging adjacent narrow deep trenches reduces inter-trench space and area consumption while maintaining electrical isolation.

Graphene-coated silicon emitters replace high-temperature thermal sources, enabling stable field emission arrays for semiconductor inspection.

Vapor-phase hydrochloric acid etching selectively removes silicon-germanium without contaminating adjacent silicon structures.

Variable speed rotation scatters cleaning solution to clean the processing cup outer surface without adding dedicated mechanisms.

Tunable high-ch block copolymers achieve perpendicular orientation via thermal annealing, eliminating solvent steps and reducing feature sizes below 20 nm.

A resin composition uses specific repeating units to enhance depth of focus and resolving power in active-light-sensitive patterns.

Phosphoric acid etchant composition selectively removes silicon nitride films while preserving underlying silicon oxide layers.

A substrate cleaning method uses a rotating brush for lower surfaces and dynamic liquid droplets for upper regions.

Thick dielectric layers on dummy gates suppress leakage current while maintaining uniform processing environments for FinFET fabrication.

Oxygen diffusion through a thin semiconductor layer reduces buried oxide thickness while preventing interface defects from trapped water.

A mandrel layer mediates alignment between etch masks and pattern layers to define precise interconnection line boundaries in integrated circuits.

A pneumatic substrate flipping device uses bellows actuators to rotate a four-bar linkage mechanism for precise orientation control.

Hydrophobic peripheral zones and raised pads confine liquid drops, resolving wettability differences that cause placement errors.

A polysilicon conduction path links transistor gates to the substrate, providing a discharge route for accumulated electrical charges.