Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Two rotation drives and a shared elevation mechanism correct wafer planar and rotational displacement with fewer shafts, cutting aligner size and cost.

Specific solvent, acid or base, and dielectric-controlled developer chemistry cuts resist scum and line width roughness in photolithography.

A spinning wafer-contact mechanism disturbs wet bench flow fields to disperse residue, reducing wafer contamination without enlarging the tank.

Polymer end-group tuning helps thin resist underlayers avoid pinholes and agglomeration while preserving EUV pattern sensitivity and LWR.

Fluorine-acid etch chemistry selectively removes SiGe while limiting gate dielectric and substrate damage in semiconductor processing.

Vertically translatable substrate supports and a rotating transfer apparatus raise wafer throughput while limiting thermal non-uniformity and contamination.

Continuous body contact regions in a SiC power MOSFET reduce etch loading and channel non-uniformity for faster, more uniform switching.

A ceramic tip made from silicon carbide or alumina lets a substrate clamping jig withstand acidic cleaning solutions and last longer.

Precise SiC crystal alignment within ±1° enables deeper, more uniform ion implantation with less crystal damage and lower annealing temperature.

Patterned dielectric sub-elements guide selective epitaxial growth to cut defect density and keep wider spacing between semiconductor regions.

Gas-phase surface tension reduction enables bulk developer removal, cutting particle defects and pattern collapse in photoresist micropatterning.

An amorphous patterned buffer creates cavities that suppress slip and dislocations in GaN-on-Si growth, improving crystal quality.

Gas sputtering reshapes conductive layers during RDL formation to improve insulation, reduce unevenness, and prevent short circuits in memory arrays.

Alternating cleaning and additive gases through different supply parts improves chamber cleaning uniformity while reducing gas use and exhaust heating.

Surface hydrophobization and a cap layer block moisture, oxygen, and outgassing in EUV photoresists, reducing defects and contamination.

A cured polysilazane planarization layer smooths rough chuck surfaces so heaters, sensors, and electrodes can be formed reliably.

A two-step gate deposition combines reactive evaporation, sputtering, and a WN barrier layer to improve GaN/AlGaN coverage and cut leakage.

Pulsed RF plasma deposits flowable silicon nitride for gap fill while reducing micropores and underlayer damage in semiconductor films.

Molecular-ion implantation into gate spacers controls fluorine depth and lowers dielectric constant to cut parasitic capacitance.

CMP removes protruding conductive profiles in buried-gate DRAM cells, improving bit line contact planarity and device reliability.

A dedicated pure-water rinse for the rotary table return portion cuts backside wafer particles and light point defects during cleaning and drying.

A dual superlattice buffer redirects lattice defects and eases thermal mismatch in GaN HEMTs, improving reliability and device performance.

A high-pH silicon etching composition uses a pyrrolidine-based additive to boost wet etch rate across varied substrate structures.

A heptagonal single transfer chamber connects process, auxiliary, and load lock modules to cut tool footprint and raise wafer throughput.

Three contact members use minute angular movements to center a substrate accurately in one step, improving throughput and reducing damage risk.

A two-region guard structure blocks punch-through and collects minority carriers to isolate nearby semiconductor regions more reliably.

Sealed ozone passivation forms a protective film on stainless steel chambers to suppress manganese precipitation and wafer contamination.

Tilting and raising the epi isolation plate reshapes gas flow paths to improve deposition uniformity and reduce chamber cleaning frequency.

Low-energy electron pre-treatment creates a carbon-poor SiO2/SiC interface, cutting carbon defects and on-state resistance without impurity doping.

Variable receiving elements and stored spacing data let one panel container handle different sheet sizes without line-stopping container swaps.

Statistically distributed trenches and microstructures hold low-rigidity substrates flat under vacuum while avoiding light scattering and coloring effects.

Stretch-thinned nanotube pellicles cut sagging in EUV lithography while preserving high transmittance and reticle contamination protection.

Faceted and textured inner ring surfaces spread CMP contact pressure to cut wear, reduce angular asymmetry, and improve substrate thickness uniformity.

Selective electrode holding and a rotation field orient chiplets with fine angle control while reducing stiction during micro assembly.

Controlled furnace pressure and temperature enable free-standing vertical 2D structures that avoid substrate effects and improve device integration.

A moving camera and fiducial mark correct chip-to-substrate position before high-pressure bonding, preserving sub-micrometer alignment.

A multi-peak buffer doping profile with proton implantation and heat treatment suppresses short-circuit oscillations while preserving latch-up withstand.

Siloxane and cyclosilazane FCVD precursors cut Si-H bond density to slow wet etching while reducing film shrinkage and tensile stress.

Opposed semiconductor layers and shared gate wiring enable denser 3D memory integration without adding process complexity or destabilizing transistor operation.

Using UV-treated and thermally treated STI dielectric layers, this case improves FinFET fin height uniformity by controlling trench etch rates.

Nitrogen plasma shifts the adhesion layer to a (111)-dominant phase, reducing de-wetting, voids, and contact resistance in plug trenches.

Segmented ceramic discs and bonding layers secure porous plugs without press-fit, reducing chuck cracking and simplifying ESC manufacturing.

A trench gate extending above and below the substrate improves wide-bandgap MOSFET reliability while controlling dopant placement and defects.

A Group 15 interlayer enables molybdenum deposition with strong adhesion, avoiding TiN barriers that hinder thin word-line etching in 3D NAND.

Controlled ALD with NO2 enables conformal stoichiometric RuO coatings, avoiding RuO2 formation and improving conductivity.

Paired internal and external distance sensors correct wedge error faster and more accurately, including for opaque substrate alignment.

A metal shield embedded below the optical modulator blocks RF fields from the silicon substrate, cutting absorption loss and crosstalk.

A porous region beside STI reshapes the LDMOSFET drift-region field to raise BVdss and Gm despite scaling and higher-voltage operation.

Spatially separated ALD stations and a rotating heated support improve chemistry isolation, plasma exposure control, throughput, and film uniformity.

Staged laser irradiation with varied time intervals forms display module through-holes while limiting heat accumulation, deformation, and defects.

Axial movement fixes the rotatable cleaning member holder during replacement, cutting mounting time and avoiding complex locks.

A rotatable stage with vacuum holding and air support lets one tool deposit chemical liquid in multiple pixel directions without substrate bending.

A movable horizontal ALD chamber cuts tool height, eases multi-stage wafer loading, and improves maintenance safety under vacuum.

By separating the bottom metal layer from scan lines in a sub display area, this layout reduces charge buildup, shorts, and pixel defects.

Two nanocrystalline diamond deposition recipes and plasma smoothing cut hard mask roughness while preserving hardness and etch selectivity.

A shielding layer inside the DRAM isolation trench blocks word-line electric fields, reducing leakage paths and memory-cell information loss.

A deep trench formed through STI limits dopant lateral diffusion, enabling tighter component spacing, smaller dies, and higher circuit density.

Hydrogen or deuterium passivation plus adjacent fluorine reduces interface surface states, improving HEMT mobility and threshold stability.

A gold- or platinum-group silicide contact and graded n-type source region cut MOSFET contact resistance, lowering on-resistance and switching loss.

A control-gate IGBT cell uses an N-type carrier storage layer and segmented trenches to improve carrier extraction and cut turn-off loss and delay.

A silicon-rich trench liner blocks substrate oxidation during oxide fill, enabling deeper STI isolation without shrinking active area.

Direct metal capping on silicide removes TiN barriers in source/drain contacts, cutting resistance and limiting diffusion during deposition.

A modular core module with interchangeable frames, gas-tight sealing, and laminar purge flow improves clean handling in tight semiconductor tool layouts.

Pre-dicing a wafer before backside grinding and using heat-released adhesive sheets helps prevent die cracking, chipping, and peel damage.

Ohmic sidewall dams and direct 2DEG contact cut gate leakage, lower contact resistance, and suppress hump behavior in GaN HEMTs.

An AlN/3C-SiC nucleation layer plus boron nitride buffers GaN on silicon to prevent cracking, cut defects, and improve breakdown voltage.

Rising nitrogen during alloy deposition controls silicification to curb line width effects and lower contact resistance in semiconductor structures.

Vertical dopant diffusion inside trench filling material enables precise super-junction doping profiles with deep breakdown-capable structures.

Non-contact slip rings and a networked driver layout simplify signal and power transfer, improving multi-rotator communication stability.

Heat shields plus cooling and gas conduits cut substrate oxidation, thermal crosstalk, and cooling time in load lock handling.

A dual absorbance layer stack uses laser energy transfer to detach the panel substrate cleanly and prevent separation damage.

Alternating anisotropic and isotropic etching forms substrate recesses with smoother vertical sidewalls, limiting widening and optical signal loss.

Asymmetric recess-forming openings enable one etch flow to tune recess depth, cut source resistance, and integrate FETs with different characteristics.

Multi-pass interleaved placement patterns spread component performance across the substrate while preserving pick-and-place throughput.

A blocking precursor masks SiO2 so metal films deposit on SiN, cutting lithography steps and improving semiconductor integration.

Tournament-style branching splits raw material gas into ejection chambers to stabilize flow and decomposition along the nozzle for uniform film deposition.

Multi-angle ion implantation forms self-aligned W-shaped wells, enabling smaller-pitch vertical MOSFETs with better conduction and alignment.

Angled outer rings and a gridded inner susceptor surface control gas flow, limit backside deposition, and keep substrates from sliding.

MOD inkjet deposition forms dense backside wafer metallization with strong adhesion, high conductivity, lower equipment cost, and less waste.

A lower resist underlayer and exposed metal-containing top film reduce pattern collapse and trailing during semiconductor patterning.

Interleaved multi-pass LED placement patterns improve display panel color uniformity while maintaining high pick-and-place throughput.

A compressible film enables one-step sintering with uniform pressure across die height variations, improving bond quality and reducing contamination.

Anodic dissolution creates a porous auxiliary layer that supports high-quality epitaxy while reducing wafer material loss and easing layer separation.

Alternating guard heights lets contaminated liquid wash the guard first, then captures clean chemical liquid without residue mixing.

Dual supply lines mix liquids with different dissolved gas levels to set oxygen concentration accurately while filtering out measurement-related contaminants.

Cyclic deposition and etching extends mask openings to define narrow-pitch metal features while reducing line width roughness and defects.

A pivoting die carrier uses integrated locking, ESD-dissipative polycarbonate, and silicone pads to protect semiconductor samples from damage and contamination.

A recessed dielectric and protective layer in an STI trench blocks excessive wet etching, improving isolation performance and chip yield.

Spacer-based SALELE patterning improves nanostructure density and edge placement accuracy while reducing footing, corner rounding, and pitch errors.

A tapered bit line with a cylindrical base and step portion prevents landing pad disconnection during etching and improves semiconductor yield.

A multilayer vertical channel combines different mobility layers to improve memory-cell electrical characteristics and data access performance.

Redox-formed metal islands on a 2D channel cut contact resistance while preserving crystallinity without external power or heat.

A shielded SiC substrate layout integrates HV power and LV CMOS regions in one flow to cut process time, cost, and body effect.

A two-region gate opening improves metal fill density in gate-last fabrication while a barrier layer helps prevent plug-to-gate short circuits.

Striped ohmic regions with nickel silicide lower p+-contact resistance in SiC Schottky devices, improving surge current handling and forward voltage.

Preformed notches and modified patterns guide crack growth through the organic layer, reducing non-dicing failures in chip separation.

A CMP slurry balances cobalt removal with low-k and copper protection using corrosion inhibitors and barrier film removal control.

Selective photoresist etch back creates thinner regions that prevent collapse while maintaining pattern distribution and lithography resolution.

Excited nitrogen-oxygen species enhance growth rate and uniformity while removing harmful compounds from ozone generation.

A vertical-conduction integrated electronic device confines the electrical field within epitaxial silicon-carbide layers to enhance breakdown voltage.

Multi-stage dry etching with segmented gas flows reduces trench sidewall roughness and improves yield.

An isolation structure forms a sealed chamber over the gate to prevent ionization, eliminating parasitic capacitance while suppressing current collapse.

A light-emitting device uses a patterned current blockage layer to control electron flow, suppressing drive voltage increases caused by high sheet resistance.

Multi-layer ohmic electrodes on silicon carbide suppress contact resistance increase by maintaining low temperatures during oxidation.

Elevating transistor channels above shallow trench isolation regions relaxes mechanical stress, improving switching speed and mobility.

A MOSFET employs a longitudinal double gate oxide structure to resolve the contradiction between device miniaturization and gate oxide breakdown voltage.

Surfactant-modified hydrofluoric acid etching removes oxide films from silicon epitaxial wafers with buried diffusion layers.

A faceted intrinsic buffer layer deposited on source and drain trench sidewalls enables selective epitaxy.

A seed metal layer protects the compound semiconductor layer during copper plating, reducing manufacturing costs while preventing etching and degradation.

Complementary functional portions across multiple EUV mask blanks form a virtual image area for defect-free imaging.

A semiconductor structure uses discrete core layers and blocking structures to form target patterns with diverse spacings.

Segmented parallel p-n structures balance on-state resistance and breakdown voltage while suppressing leakage current in edge termination regions.

A porous zinc oxide light detection device uses metal-organic chemical vapor deposition to grow a single crystal layer with controlled surface area.

Vertical pusher pin movement improves substrate positioning accuracy by resolving followability issues between the base flange and stage.

Filling recesses with resist solution and applying ultrasound removes trapped air, enabling uniform inner wall coverage that spray methods cannot achieve.

Segmented wafer chuck with ventilation apertures directs cooling gas to the semiconductor wafer backside.

Groove-based polymer deposition resolves thickness limits and non-uniformity in via insulation.

A semiconductor fabrication method forms fine island patterns using mask pillars and spacer deposition to achieve high pattern density.

A selective film forming method uses secondary or tertiary alcohol gases to adsorb onto specific surfaces for precise deposition.

A storage facility manages inert gas distribution using segmented main pipes and branch groups with switching valves to reduce component count.