Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A semiconductor structure separates from a growth substrate using hydroxyl radical ablation of an intermediate nucleation layer.

A photodetector uses a metal-semiconductor junction to detect infrared radiation across visible to mid-infrared wavelengths.

Segmenting the gate structure into conventional electrodes and conductive fillers reduces die size while maintaining device performance.

Treating photoresist with polyelectrolytes prevents water repulsion and bubble formation during immersion lithography.

A patterned metal mask enables dry etching of insulating layers to form precise trenches for low-resistive copper wires.

A p-type AlGaN layer forms a pn junction in the gate region of a GaN FET, reducing leakage current and improving breakdown voltage.

Segmented conducting structures over isolation regions reduce parasitic capacitance and improve RC delay in semiconductor devices.

Disoriented substrate stripes control lateral composition to eliminate light absorption and prevent catastrophic optical mirror damage.

A transfer device uses a supporting body engaged at regions of minimal elastic deformation to guide moving member movement.

High-impedance voltmeters monitor embedded clamp electrodes to measure work piece voltage, preventing damage from conductive probes.

A group III nitride heterostructure uses optimized nucleation and aluminum nitride layer growth parameters to control strain.

Repositioning a gate contact plug vertically over the active region resolves chip area inefficiency and limited routing flexibility caused by lateral placement.

A resin layer composition enables fine resist pattern formation through acid-triggered solubility changes.

An AlN buffer layer and apparatus cleaning step prevent gallium diffusion into silicon substrates, reducing parasitic capacitance in high-frequency devices.

Segmented TaB and TiN layers resolve the contradiction between electrostatic chuck reliability and laser beam transmission for accurate mask positioning.

Remote plasma deposition forms a main sidewall oxide over low-k gate spacers without damaging the underlying layer.

Active energy assist baking removes moisture from ultra-low k dielectrics without exceeding thermal budgets, preserving material reliability.

Composite etching solution controls profile angles to prevent subsequent layer breakage while maintaining high manufacturing efficiency.

Oxidizing gate metal upper portions forms oxide caps, eliminating CMP steps to reduce gate height variability.

Combining mandrel and spacer materials in a line termini mark resolves low distinguishability between the spacer layer and photoresist during lithography.

Fluorinated onium salts in the resist composition constrain acid diffusion, resolving the trade-off between resolution and line edge roughness.

Alternating silicon halide and oxygen plasma deposits conformal films to resolve thickness control contradictions in multi-patterning.

Cutting blade annular grooves preserve peripheral reinforcement strength while enabling precise device area thinning to prevent breakage.

A vapor phase growth rate measuring apparatus calculates film thickness using a reflectometer and fitting model functions to measured data.

He/O2 plasma reforming prevents seam formation in recessed silicon oxide films, ensuring high etching resistance.

Offset co-flow pulses of reactive inhibition and metal precursor gases inhibit nucleation uniformly, reducing within-wafer non-uniformity from 7% to 3.5%.

An immersed nozzle directs incompressible fluid streams onto semiconductor substrates to detach particles via controlled hydrodynamic forces.

Sidewall protection layers prevent metal gate penetration during plug deposition, resolving positioning accuracy and electrical performance trade-offs.

Evacuating air from stage grooves deforms the adhesive sheet, holding the chip at projections to prevent inclination during pickup.

Guard ring trenches stabilize electric field distribution in semiconductor termination regions.

Segmented low, medium, and high power heating steps raise wafer temperature steadily to prevent silicon nitride film peeling.

An interposed doped region between the metal contact and channel reduces transition resistance without high temperature annealing.

Heated inert gas prevents precursor pyrolysis and by-product adherence during substrate processing.

Dual continuous lasers provide preliminary heating before pulse scanning, resolving incomplete substrate heating at high speeds.

A high electron mobility transistor uses salicide source and drain features to form reliable ohmic contacts with the carrier channel.

A rotary arm assembly sweeps a polishing pad across the substrate edge to remove abrasive particles during chemical mechanical planarizing.

Eu2O3-Gd2O3-Al2O3 joint agents provide fluidity for low-temperature AlN bonding, preventing calcium contamination and preserving bond strength.

Dual auxiliary layers enable precise micro pattern formation through independent focus control during sequential exposure processes.

Plasma-modified sacrificial layers create uniform air gaps between wiring patterns to reduce parasitic capacitance and boost operational speed.

Laser scanning creates modified regions inside the substrate to separate wafers, reducing unintentional defects while maintaining high manufacturing precision.

Electric field guides photoacid movement vertically to prevent random lateral diffusion and reduce line edge roughness.

A hard mask overhang defines gate dimensions via a fin undercut, eliminating timed recess variability.

Short wavelength lasers absorb into transparent conductive oxide layers, replacing jagged high-power scribes with uniform edges for better cell isolation.

A pellicle film uses an aligned carbon nanotube sheet to maintain structural integrity during exposure.

A light pipe window structure transmits radiant heat from external energy sources to semiconductor substrates.

Selective chemical mechanical polishing removes capping layers from memory regions while maintaining polysilicon thickness over logic areas.

Groove portions in a film mask control resin thickness to resolve adhesive force versus pattern resolution trade-offs.

A single mask defines gate and field electrode trenches simultaneously to simplify lithography steps.