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.