Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A mask blank structure uses a mixed interface film to control solubility and adhesion between resist layers.

Oxide-based hard mask protects amorphous carbon layers from polymer damage during semiconductor contact hole etching.

A passivation layer protects the gate metal during chemical-mechanical polishing, preventing dishing effects and maintaining threshold voltage matching.

Elastic L-shaped stop blocks with stepped surfaces secure varying semiconductor sizes in carrier recesses, preventing vibration-induced disengagement.

A semiconductor patterning method uses spacer structures and auxiliary patterns to define hard mask features without additional photolithography steps.

Engineered dopant ratios suppress electric field concentration at rounded corners, raising breakdown voltage without increasing device area.

An AlN-GaN mixed alloy region redirects threading dislocations away from the active layer, reducing strain-induced cracking and improving optical output.

A unipolar spacer formation method uses a dummy layer and dielectric fill to protect semiconductor fins during processing.

A laser processing apparatus uses a thinning-out unit to guide pulsed beams for precise device chip division.

A chemical liquid supply apparatus uses an in-line mixer to combine high-temperature etchants and additives within a nozzle unit.

Oxidizing plasma treatment densifies silicon nitride surfaces to seal the layer and prevent nitrogen diffusion into photoresist materials.

Adjusting NF3 to H2 flow ratios and temperature steps in a dry etch process ensures uniform removal of hard mask layers and spacers.

A GaN field effect transistor uses a recessed gate to ensure uniform electron gas distribution.

Multi-depth polycrystalline layers reduce substrate leakage and enhance reliability by creating distinct isolation sections beneath active device regions.

Segmented gas supply nozzles deliver precursor gases into a buffer chamber to resolve inter-plane film uniformity issues across vertically stacked substrates.

A triple patterning method forms distinct pattern sets across substrate regions using segmented material layers and sidewall spacers.

Segmented polysilicon stacks with tapered side faces and variable dopant concentrations lower series resistance while maintaining high breakdown voltage.

A chlorine-free silicon nitride film forms through thermal deposition and low-temperature plasma treatment to achieve conformal encapsulation.

A metal-insulator-metal diode uses identical aluminum electrodes to produce symmetric current-voltage characteristics.

Sidewall image transfer creates masks from mandrels and spacers, enabling sub-lithographic feature sizes without overlay accuracy limits.

Oxidizing a precursor layer fills high aspect ratio trenches without voids, improving semiconductor reliability.

Controlled inert gas supply to container openings prevents adsorption layers and foreign matter, improving semiconductor film quality.

Variable pressure workspace expands adhesive membrane contact area to fix undulated thin wafers without fracture.

A tungsten boron carbide hardmask layer with controlled atomic ratios achieves high etch selectivity through plasma enhanced chemical vapour deposition.

A vertical gate semiconductor device employs a metal silicide nitride adhesion layer to prevent void formation and reduce resistance in the gate structure.

A rotary tube aligns with outer tube connection holes to switch exhaust flow paths.

Bond handle wafers to a donor wafer with an implanted hydrogen layer, then heat and detach films for multiple composite wafers.

A coaxial two-fluid nozzle system directs jets to converge and increase shock wave angles.

Screen-printed coating adjusts substrate thickness to resolve manufacturing precision issues in multi-format IC cards.

Electrospun metal salt fibers convert to metallic nanowires through low-temperature plasma treatment on flexible substrates.

A saw-toothed multilayer with photonic crystal structure reflects light to enhance extraction efficiency in LEDs.

Reduced thickness regions allow cutting tools to separate devices while protecting nitride layers from water infiltration and mechanical damage.

Asymmetric source and drain widths separate the effective channel from isolation edges, mitigating double hump effects in drain current.

Steam treatment transforms silicon carbon amine films into stable silicon carbon hydroxide spacers, eliminating thermal instability and excessive etch rates.

Un-doped GaN whisker crystals block silver electromigration paths at dislocation sites, preventing current leakage in light-emitting devices.

A substrate transfer device reorients the robot hand movement to reduce conveying chamber depth.

A transfer device separates electronic components from a first carrier and places them onto a quasi-continuous second carrier using precise inspection.

Selective oxidation of reduced lithium niobate wafers mitigates pyroelectric static charges that limit integrated optical device performance.

Oxygen deficiency tuning creates a composite oxide layer that resolves the trade-off between switching speed and data storage stability.

A three-dimensional contact structure surrounds impurity regions to increase surface area and lower electrical resistance.

A vertical LED device uses roughened surfaces to improve light extraction efficiency.

A continuous ruthenium film enables void-free copper plating in recessed features.

Backside illumination reveals cracks via light transmission, resolving detection reliability issues during die bonding.

Cylindrical chamber insert with circumferential slit and holes reduces turbulence, stabilizes inner pressure, and improves thin layer deposition uniformity.

Amorphous carbon dummy gate plugs physically isolate adjacent FinFET gates, reducing device area and easing isolation feature formation.

Segmented fabrication with dummy gates enables selective fin removal, resolving the trade-off between multiple threshold voltages and process complexity.

An amorphous metal hardmask with controlled nitrogen content maintains structural stability during semiconductor etching processes.

Merging multiple mask steps into one etching operation reduces fabrication time and cost while maintaining voltage blocking capability.