Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Segmented amorphous silicon film formation with chlorine removal enables high-density silicon oxide films at low temperatures without surface adsorption limits.

A semiconductor manufacturing method uses a protective film to enable precise dry etching of silicon films for vertical MOS transistors.

Stacked channel layer with graded n-type impurity concentrations spreads carriers to reduce interface roughness scattering.

Axially spaced spiral heating elements prevent electrical arcing while maintaining precise temperature uniformity in high-temperature batch processing chambers.

Cam-driven alignment pins position wafers for precise bonding, eliminating optical detectors to reduce device complexity.

Ion implanting carbon into silicon carbide wafers prevents stacking fault formation during heat treatment, maintaining forward voltage characteristics.

A rotating trough tank applies fluid uniformly to wafers, eliminating mechanical stress on thin substrates during liquid removal.

An embedded bottom metal contact rail reduces source/drain resistance and improves current uniformity in vertical field effect transistors.

Wet etching dissolves a titanium nitride buffer layer to separate the GaN light emitting element from its sapphire substrate.

Varying indium composition across the quantum barrier layer reduces internal polarization fields, boosting internal quantum efficiency and luminescence.

A dense composite material containing titanium silicide and silicon carbide maintains high thermal conductivity.

Plasma treatment of organometallic tungsten precursors controls film stress to enhance PMOS and NMOS device performance.

Van der Waals adsorption pads prevent wafer slipping at high speeds while eliminating particle generation from mechanical clamping.

Band edge gate metals reduce Schottky barrier height and contact resistance by eliminating silicide formation steps.

High-density doped diamond-like carbon hardmasks resolve etch selectivity bottlenecks in shrinking integrated circuit patterns.

A controller applies combined voltage waveforms to an electrostatic chuck electrode to regulate substrate temperature during clamping.

Physical vapor deposition of a rare earth metal silicide film on exposed silicon regions reduces source drain contact resistance.

A dual metal layer structure facilitates a lift-off process that removes mask residuals, allowing clean trench formation in silicon carbide substrates.

Inclined angle ion implantation creates distinct doping zones to lower ON voltage while maintaining breakdown voltage.

A photodiode array uses distinct anti-reflective coating stacks to optimize optical sensitivity for specific wavelength bands.

Selective etching of a buried layer creates isolated regions under active device areas, reducing parasitic effects and simplifying CMOS processing steps.

A dummy gate dielectric layer protects the silicon germanium channel during Fin FET fabrication.

Segmented gas cycles form ruthenium thin films with enhanced step coverage, resolving low temperature impurity retention issues.

Dynamic oxygen concentration control in heat treating spaces enables stable polymer film deposition on substrates.

Asymmetric conductive surfaces and movable electrostatic shields stabilize plasma exposure across multiple processing stations.

A semi-polar nitride light emitting device grown on an m-plane sapphire substrate with a high-temperature buffer layer.

Extending the gate into the STI forces current paths closer to the edge, reducing ON-resistance while maintaining high breakdown voltage.

Single-step annealing activates dopants and creates stable ohmic contacts, reducing fabrication complexity while preventing lattice damage.

Imprinted nanoscale structures on burl tops resolve unpredictable Si:SiC surface roughness to improve initial overlay performance.

Grading Sn concentration through a GeSn template reduces lattice mismatch stress, preventing cracks while extending the absorption spectrum.

An alcohol pretreatment removes oxidized metal layers to enable selective SiO2 film deposition on dielectric materials.

A laser beam forms a channel stopper in the semiconductor layer, suppressing leakage current caused by depletion layer spreading at high temperatures.

Sequential reducing agent pulses treat the tungsten nucleation layer before bulk deposition, resolving resistivity and uniformity trade-offs in thin films.

Segmenting carriers into independent ferromagnetic pucks reduces moving weight and prevents damage during solar cell fabrication.

Segmented dry and wet etching with stacked high-k dielectric layers prevents mask shift errors during contact hole fabrication.

Multi-layer gate structure with differential polishing rates controls FinFET gate height during chemical mechanical planarization.

A bipolar transistor fabrication process using oxide nitride structures and spacers to define precise electrode geometries.

A semiconductor light-emitting element uses an aluminum nitride buffer layer with controlled oxygen concentration to improve crystallinity.

Ion implantation amorphizes the barrier layer to create a distinct etch rate difference for precise source and drain recess depth.

Segmented shot exposure applies localized energy to edge wafer regions, resolving underexposure deformities while maintaining scanner throughput.

Spacer-defined self-aligned contacts reduce external parasitic resistance in III-V and SiGe/Ge quantum well transistors.

A Ti film pre-coating step fills microcracks in processing chamber components before TiN deposition.

Hydrogen plasma removes impurities from the work function control film, lowering surface resistance by 30% to 60% and improving MOS transistor operating speed.

A semiconductor barrier region formed by doping a dopant of different conductivity type adjacent to the drain.

A bonded substrate method uses thermal expansion mismatch to introduce biaxial strain in epitaxially grown Si1-xGex films.

Implanting and diffusing recombination centers reduces switching losses while controlling reverse recovery current slope.

A keyed wafer carrier engages a spindle keyway to ensure precise rotational alignment during chemical vapor deposition processing.

A semiconductor ejector expands its passage area downstream to increase liquid flow velocity, resolving nonuniform etching and silica precipitation issues.

A control unit calibrates thermal elements in an electrostatic chuck by inverting system response matrices to optimize power distribution.

Amorphous nitride protection layer on semiconductor substrate periphery prevents mechanical cracking during manufacturing.

A dual nozzle substrate processing apparatus ejects jet and continuous flows to suppress liquid film collisions on rotating wafers.

Aerosolized liquid hydrosilanes deposit silicon thin films at atmospheric pressure, replacing hazardous gaseous silanes to improve deposition rates and safety.

Amorphizing implants convert polysilicon gates to uniform amorphous silicon, eliminating etch rate differences between NMOS and PMOS regions.

Ion implantation creates insulating guard rings in GaN epitaxial layers to mitigate electric field crowding at edges and achieve high breakdown voltage.

Segmented impurity regions and a gate insulator enable LDMOS transistors compatible with sub-micron CMOS processes, reducing hot carrier degradation.

Silicide gate electrodes stabilize work function and suppress fluctuations to maintain high reliability during dual metal gate fabrication.

Vertical germanium fins in a silicon substrate extend the optical absorption path, resolving the trade-off between high bandwidth and low optical responsivity.

Segmenting the power supply into a dedicated socket reduces thermal stress and prevents electric discharge during high voltage operation.

Concave step pockets eliminate airflow interference and uneven heating, improving LED epitaxial wavelength uniformity.

A drain extended MOS transistor uses spaced extension regions to raise breakdown voltage.

A thermal processing apparatus uses an energy blocker to shield substrate edges, preventing thermal stress and physical deformation during rapid heating.

A protection layer shields the SiC substrate surface during high-temperature annealing, preventing roughening while forming a rounded trench bottom.

A cyclic etch process uses chlorine to form a passivation layer on copper, then removes it with noble gas plasma for controlled material removal.

A substrate cleaning method applies a protective film to metal surfaces before residue removal.

Atomic layer deposition deposits conformal dopant layers on high aspect ratio structures to resolve uneven distribution and over-implantation in field regions.

A mask with a partial-transparent area creates small-angle slopes that prevent thin film fragmentation around through holes.

A metal-gate CMOS fabrication method uses embedded SiGe and SiC epitaxial layers to define complementary work functions.

Epitaxially growing a silicon layer on patterned silicon germanium forms uniform fins, eliminating line width roughness and edge defects.

Nested upper susceptor rings shield thermocouples from process gases, maintaining measurement accuracy and device longevity.

A neutral boron-diffusion-blocking implant region modulates threshold voltage in FinFET devices.

Segmented parallel exhaust paths with swinging and relief valves balance pressure fluctuations during fluid switching to prevent particle contamination.

Parallel local vehicle routes enable detours around buffers, resolving transport bottlenecks at occupied load ports.

A resist underlayer film-forming composition uses a polymer with a 0 to 180°C glass transition temperature to maintain structural integrity during processing.

A selective metal oxide film deposition method modifies dielectric surfaces with hydrophobic functional groups to hinder unwanted growth.

Hexachlorodisilazane precursor enables conformal atomic layer deposition of silicon nitride films on complex semiconductor structures.

Segmented mask layers with distinct Si-CH3 bond densities reduce loading effects, pattern bridges, and line-width roughness during semiconductor manufacturing.

A heat treatment device directs an upward gas flow around a substrate to manage volatile metal-containing sublimates during resist film processing.

Doped topological insulators provide metallic surface states for charge collection, eliminating costly transparent electrodes that block solar energy.

A substrate heating apparatus uses a heat shielding member to protect the holding sheet during resin layer formation.

A semiconductor device positions a field dielectric layer above a lateral isolation layer to enhance breakdown voltage and on-current performance.

Calibrate imaging component coordinates using mark-equipped wafers to resolve installation errors and improve wafer position detection precision.

Phosphoric acid etching composition with bulky pyridine compound selectively removes silicon nitride films.

Linear chamber arrangement with a moving substrate supporter reduces processing time and footprint while maintaining vacuum isolation without gate valves.

Remote plasma activation of ammonia enables high nitrogen incorporation in dielectric layers without substrate damage.

Beam homogenizers divide and recombine laser light to maintain uniform intensity, preventing non-uniform crystallization defects in large display substrates.

A substrate cleaning apparatus uses a rotatable support with nozzles to direct carbon dioxide gas at the substrate edge for contaminant removal.

A silicon carbide semiconductor device introduces non-doping particles to form zero-dimensional crystal defects that stabilize the material structure.

A fullerene derivative hard-mask composition with a crosslinking agent resists solvent swelling and maintains etching resistance.

Pulsed laser annealing reduces wet etch rates of dielectric isolation layers while preventing dopant diffusion and fin element damage.

Partition plates isolate wafers in a batch processor, preventing particle contamination and ensuring uniform film thickness.

Segmented trench structures in the drift region boost breakdown voltage while lowering on-state resistance.

A substrate cleaning method moves a liquid discharge point eccentrically while an inert gas nozzle forms a drying front to sweep residues from the wafer surface.

Electrochemical deposition forms distinct metal layers on semiconductor zones, reducing waste while improving uniformity in complex structures.

Segmented drift region sub-regions enhance breakdown voltage without additional ion-implantation steps.

An inorganic dielectric layer blocks dopant penetration and metal paste diffusion at solar cell edges, eliminating reverse current pathways.