Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A lithographic projection system manipulates the exit pupil using non-linear functions to decouple Zernike coefficients and reduce optical crosstalk.

A bi-metal structure uses a second metal layer as an etch stop during via formation to enable precise trench etching.

Reactive polymer crosslinks upon irradiation to deposit silver or copper via electroless plating.

Hydrogen or argon heat treatment eliminates native oxide to prevent bubble formation during direct substrate bonding.

Shared masks reduce manufacturing costs while barrier layers prevent impurity contamination that deteriorates capacitance.

Branching a single high-powered laser oscillator into two mechanisms eliminates power waste from attenuation while maintaining independent control.

Hard mask patterning defines deep and shallow trench openings for simultaneous etching.

Recessing the trench silicide contact allows depositing a liner that prevents shorts when placing gate contacts over active regions.

Varying SiGe stressor doping concentrations absorb diffused impurities, reducing performance variations across PMOS devices.

Oxygen introduction and proton irradiation create complex donors for a broad buffer structure, solving ion implantation costs and wafer breakage risks.

An electrochemical cell repels ions to shield copper wires while cooling reduces the etch rate for controlled plastic encapsulant removal.

Selective ion implantation and wet etching remove defined metal portions from trenches, resolving thickness uniformity issues in multi-layer FinFET fabrication.

A vacuum-augmented electroadhesive gripper uses a flexible backing to seal surfaces and generate electrostatic holding force.

A nano-crystalline diamond nucleation layer bonds polycrystalline CVD diamond to gallium nitride, reducing thermal boundary resistance below 50 m2K/GW.

A silicon carbide wafer scribe line mark placement strategy uses dedicated recognition zones to distinguish alignment features from crystal defects.

Isotropic etching creates shallow recesses that allow complete dielectric filling, eliminating air gaps and shorts in FinFET fabrication.

A substrate holding unit uses two cantilevers to descend, align with vertical substrates, and ascend to flip them into horizontal processing states.

Aspect ratio trapping confines defects in lower regions to produce defect-free crystalline layers for photovoltaic cells.

A hexagonal trench transistor structure uses epitaxial layers to manage dopant concentrations and stresses.

A metal-containing layer forms over a contact structure via selective deposition without additional patterning.

Forming air gaps via sacrificial material removal minimizes electrical resistivity and capacitance in scaled semiconductor devices.

A photoresist with thermally cross-linking material reduces via opening size during baking to enable precise critical dimension control.

A swingable laser heating unit calculates its arm length to position treatment beams accurately on semiconductor substrates.

An electrostatic carrier tray uses field generating circuits to bond semiconductive wafers securely during transport.

Protruding conductive lines define voids expanded into air gaps, reducing parasitic capacitance without extra masks.

A pattern formation material absorbs metal compounds to enhance etching resistance, resolving productivity trade-offs in nanoimprint lithography.

An alpha-phase gallium oxide interface layer on GaN substrates lowers leakage current by resolving insulating film quality issues.

Sequential multi-step photolithography with ramp angles achieves sub-critical feature sizes, lowering power consumption and costs without advanced equipment.

Selective oxidation of silicon germanium creates self-aligned masks that define source drain patterns without additional photolithography steps.

Filling wafer streets with UV-curable acrylic resin prevents device oscillation and corner chipping during dicing-before-grinding division.

Oblique sidewall spacers enable single-exposure double patterning, reducing complexity while maintaining high feature density.

Germanium diffusion converts silicon fins to silicon germanium structures, resolving finFET scaling limits.

An intermediate boron doped germanium layer lowers band misalignment between source drain regions and contact metals to reduce parasitic contact resistance.

Oxygen neutralization releases accumulated charges from wafers during electrostatic chuck de-chucking, reducing JTAG failure rates.

An angled laser scan creates internal cracks along the c-plane, reducing material waste from 80% to 30% during slicing.

Segmented thermal treatment eliminates nitrogen vacancy defects before protective film formation, ensuring reliable p-type well characteristics.

Collimated PVD deposits a seed layer on feature bottoms to enable electroless copper filling.

Increasing pitch between adjacent trenches in a MOSFET substrate prevents burnout under high voltage while reducing device volume.

Oxidizing functional layer sidewalls creates a tapered contact hole profile that prevents hollow void formation during high-aspect-ratio filling operations.

A reversal structure solar cell forms a zinc sulfide buffer layer on an exposed light absorption surface to prevent structural delamination.

Dynamic spray flux control adjusts protecting liquid thickness to balance pattern protection and cleaning detergency on semiconductor substrates.

Nitrogen-doped epitaxial layer inhibits dislocation propagation and captures metallic impurities through gettering activity.

Direct laser fabrication of magnetic actuator membranes eliminates electrostatic instability and insulating layer cracking.

Separate exhaust pathways vent chamber and chemical gases to prevent redeposition while balancing device complexity.

Vertical workpiece alignment with symmetric gas supply extends material retention time, resolving non-uniform deposition caused by short gas residence.

Angled liquid ports direct jets inward to clean peripheral areas, preventing scattering and ensuring uniform coverage.

Hybrid laser and plasma dicing minimizes thermal damage and micro-cracks while maximizing wafer real estate utilization.

A dual-step ion implant process deposits dopants into non-planar semiconductor bodies using distinct energies and angles to improve distribution.

A semiconductor structure uses a relaxed silicon germanium alloy to grow defect-free pillars, avoiding complex isolation steps.

A substrate processing method cycles hydrogen and oxygen gases to etch ruthenium films while controlling surface roughness.