Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A semiconductor fabrication method uses discrete sidewall spacers and trenches on a sacrificial film to define fine features without additional photolithography masks.

A near-surface compensation doping area with opposite conductivity type modifies the electrical field distribution in semiconductor edge structures.

Plasma enhanced atomic layer deposition deposits silicon oxide films using pulsed precursors and RF power at controlled low temperatures.

Angled ion implantation creates self-aligned source regions in trench FETs, eliminating photoresist mask alignment errors and reducing gate trench spacing.

An electrostatic chuck uses bidirectional coolant flow to resolve temperature distribution non-uniformity across the substrate.

Nanostructured substrates with nanopillars enable epitaxial growth of III-V thin films, eliminating sacrificial layers and chemical etching costs.

Shielding body regions redistribute electric fields at trench corners, reducing voltage breakdown risk while maintaining high inversion-layer mobility.

A needle cell trench MOSFET uses a columnar field plate electrode with varying vertical width to achieve high power cell density.

Heat treatment creates high resistance regions beneath p-pad electrodes to block light emission and boost efficiency.

A self-aligned spacer patterning method deposits sacrificial material to form high-density patterns.

Oblique physical vapor deposition deposits additional material onto asymmetric spacers, creating symmetric profiles that reduce gouging and pitch walking.

A field drain section with a high dielectric constant insulator relaxes electric field concentration in LDMOS transistors.

Inverting the trench formation sequence eliminates plug spacer variability, enabling higher current capability.

Knock-on implantation drives dopants from an amorphous silicon layer into fin structures, creating uniform profiles while preventing surface damage.

Selective doping modifies silicon dioxide composition to enhance slurry attack rates, resolving dishing and metal residue risks in gate-last processes.

Inverting the deep trench isolation sequence after gate formation eliminates thermal stress and reduces manufacturing complexity.

SU-8 passivation seals PDMS chip on RGO channel, enabling low voltage liquid gate drive to resolve high driving voltage sensitivity trade-off.

An etch-stop layer mediates silicide removal, preventing needle-like polysilicon residuals that compromise device electrical performance.

Silicon seed crystals guide polysilicon deposition to resolve grain size contradictions in flash memory floating gates.

Segmented silicon substrates with gamma-Al2O3 recesses allow III-N device growth before silicon processing, maintaining thermal budget reliability.

A chemical mechanical polishing pad uses a polyurethane layer with sustained hydrolytic instability to polish semiconductor wafers.

Movable vacuum chucks shift positions to eliminate unmeasurable zones caused by signal blockage, enabling full coverage.

A polymer with nitrogenous silyl groups forms a resist underlayer film that enhances dry etching rates and resistance.

A top-access atomic layer deposition reactor uses a loading robot to move substrate holders into reaction chambers.

A metal layer connects the III-V source electrode to a handle substrate, enabling growth substrate removal.

Low-resistance copper wires routed densely across zones minimize temperature differences and excessive heat buildup.

Varying wafer boat pitch compensates for gas concentration gradients to resolve film density variations in chemical vapor deposition.

Dynamic pin movement shifts support points during rotation to eliminate uneven processing at the peripheral edge.

Hardened resist masks constrain field plate positioning to eliminate exposure step variations.

Epitaxial regrowth replaces ion implantation in silicon carbide MOSFETs, preserving crystal integrity and gate oxide quality under high voltage.

Adjusting the gap between a mega sonic device and a rotating semiconductor wafer by half wavelength increments.

Repositioning the imaging unit upstream of liquid arrival zones prevents contamination while maintaining peripheral film removal precision.

Performing tilted ion implantation before forming extended epitaxial source and drain regions enables precise channel doping without geometric interference.

A halo implant forms a resistive germanium barrier that blocks subfin leakage currents at the poor STI interface.

A multi-layer ceramic carrier uses separated clamping electrodes and heating elements to hold dielectric materials.

Segmented pocket walls with hollow recesses minimize surplus deposition and maintain uniform temperature distribution during processing.

A segmented p-GaN gate layer with varying magnesium concentration profiles creates a self-compensation effect at the metal interface.

Forming a gate electrode before source/drain implantation minimizes thermal diffusion and resistance in multi-channel MOS transistors.

Segmented superjunction pillars distribute electric fields to lower on-resistance while maintaining switching speed for high-voltage applications.

Spacers on the back contact layer minimize surface recombination velocity and boost efficiency by reducing direct contact area.

A semiconductor manufacturing method uses sequential catalyst contact to form and elute oxide films for surface flattening.

Release fluid injection weakens adhesion at the interface, allowing automated handling of extremely thin dies without breakage.

A metal surface passivation layer with specific oxidation potential prevents eutectic layer oxidation, preserving electrical properties and bonding strength.

Segmenting deposition and nitridation stages converts Si-H bonds to Si-N bonds, preventing particle generation from degasification.

Isotropic etching creates a lateral expansion that acts as a stable reference, decoupling gate depth from polysilicon etch variations to reduce capacitance.

A dressing board uses a groove code to identify blade types during cutting operations.

An oxygen-free insulating layer protects metallic structures during high-temperature deposition processes.