Semiconductor/Solid-State Device Manufacturing TRIZ Cases

A silicon-based light emitting diode uses a distributed Bragg reflector and n-type doping layer to inject carriers into an active layer.

A gated quantum well device formed in a metal oxide semiconductor capacitor structure creates an inversion region under the gate.

A film forming method uses hydrogen and oxygen gases to remove organic substances from silicon surfaces before oxide removal.

Vertical wafer loading frees side positions for process chambers, increasing throughput and space efficiency.

Forming a buried oxide layer within a superlattice structure reduces parasitic capacitance and off-state leakage in horizontal gate all around devices.

Hydrogen plasma selectively deposits oxides on dielectrics while inhibiting growth on metals, resolving oxygen plasma trade-offs.

A silicon carbide device structure utilizes specific interface trap distributions to maintain high channel mobility.

Inverting the process sequence to a gate-last flow eliminates Vfb roll-off in PMOS devices while maintaining EOT control and simplifying process complexity.

A transparent electrode formed from a resistance change material that switches to low resistance under voltage.

A substrate transfer robot moves its arm vertically to access substrates at varying heights.

A slave vertical lift assembly with a jacking screw adjusts susceptor height.

A three-line structure with distinct materials enables selective etching to define sub-lithographic features.

A vertical semiconductor light emitting device uses holes filled with lower refractive index material and transparent electrodes to redirect light paths.

XeF2 and CF3I gases create a protective carbon film on silicon, suppressing spontaneous damage while allowing precise electron beam-induced oxide removal.

Asymmetric PVD metal gate formation widens apertures and prevents overhangs that obstruct chemical solution flow in advanced nodes.

Thermal decomposition of residual contamination sources via a heated non reactive fluid prevents adsorption onto substrates during supercritical drying.

Segmented spacer layers with distinct etching selectivities prevent fin loss and maintain dimensional accuracy during aggressive processing.

Flow-controlled valves inject inert gas to position substrates, eliminating complex robots that increase cost and defect rates.

Alternating positive and negative tone developers reduces photoresist pitch while maintaining pattern profile accuracy across varying densities.

A wafer film detachment method uses a peripheral step protected against atomic species implantation to create a clean separation zone.

Organic solvent smoothing and atomic layer deposition reduce line edge roughness in semiconductor patterns.

A seed layer eliminates the loading effect to achieve uniform metal gate thickness in vertical field effect transistors.

A catalyst layer mediates wafer-level deposition of two-dimensional black phosphorus using molecular beam epitaxy or chemical vapor deposition.

An opposite-conductivity buried layer near deep-trench isolation raises source-drain breakdown voltage in asymmetric LDMOS regions to match symmetrical regions.

Bilayer bottom spacers prevent flare-up and reduce source-drain resistance by maintaining uniform thickness at the vertical field-effect transistor junction.

A method for transferring monocrystalline semiconductor layers using low-temperature solid-phase epitaxy to heal crystalline defects.

A silicon oxide etching method uses moisture as a catalyst to drive halogen reactions at the film interface for precise material removal.

Conformal liners define contact trenches to limit metallization depth, reducing parasitic capacitance and electrical shorts.

Protective cap layer prevents etching damage to preserve compressive strain in SiGe fins, doubling hole mobility and increasing current flow by 25%.

Laser scribing patterns a mask for plasma etching to singulate ICs and remove oxidation from metal bumps without flux residue.

A multi-nano shell drift region uses concentric alternating conductivity layers deposited in a vertical cavity to form superjunction semiconductor structures.

A dielectric layer with patterned openings restricts current flow in light-emitting diodes to dislocation-free semiconductor regions.

Spray-coating halometallate-capped nanocrystals creates uniform thin films, resolving the trade-off between film quality and manufacturing throughput.

Selective atomic layer deposition forms a sacrificial layer to expose dummy gate electrodes for precise metal gate height control.

A metal gate transistor uses an oxygen containing dielectric layer to protect the high-k gate dielectric.

Flash heating diffuses fluorine into high-dielectric gate insulators, preventing nitrogen migration and device damage.

Alternating etching and polymer deposition creates smooth trench sidewalls, eliminating voids from scalloped surfaces.

A thin film transistor substrate features a recessed active layer that embeds the gate electrode to form a three-dimensional channel.

Selective electromagnetic irradiation heats a semiconductor layer to cure implantation defects while a low thermal conductivity layer thermally insulates the receiver substrate.

Replacing chemical mechanical polishing with plasma etching back reduces manufacturing costs while maintaining precision for shielded gate structures.

A molding press platen uses a rotational mounting device to adjust mold chase orientation.

Nitrogen introduction into the nickel film stabilizes the phase transformation, enabling precise edge control and reducing impurity redistribution.

Shielded gate trench MOSFET reduces peak electric fields via doped shielding regions, increasing breakdown voltage while maintaining low on-resistance.

A power MOSFET uses a conductive field plate over a dielectric layer to increase breakdown voltage while reducing gate-to-drain capacitance.

Intrinsic stress in the gate cut dielectric controls shape expansion, preventing metal residue stringers and electrical shorts.

Thioacid-based photocatalysis forms buffer layers without carcinogenic precursors or thermal energy, reducing waste.

Differentiated contact holes in trench gate termination regions distribute electric field stress to enhance avalanche withstand capability.

Aligning the tunnel path inline with the gate field suppresses parasitic ambipolar current while boosting drain current and subthreshold slope performance.

A variable resistance memory device uses a recess region with varying width to deposit a uniform phase change material layer between electrodes.