Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Spaced inner protrusions in an edge ring keep purge gas flowing uniformly and position substrates accurately during deposition.

A double hard-mask process enables self-aligned SiC MOS channels while protecting gate integrity during ultra-high-temperature annealing.

A layered metal and dielectric gate cap with a silicon nitride intermediary helps SiGe FinFETs limit interface defects while preserving carrier mobility.

Density-matched purge gas improves moisture removal in substrate containers by preventing non-uniform flow between upper and lower regions.

Cyclical deposition and selective etching enable monocrystalline P-doped epitaxial fill for low-resistivity source and drain regions in 3D FETs.

A two-layer tungsten mask with staged gas and temperature etching improves recess circularity, selectivity, and high-aspect-ratio formation.

Model-based dual-nozzle control calculates process parameters to achieve precise radial etching distributions with less manual tuning.

Interleaved chamber and wafer cleaning with staged etching gas flushes cuts residual gases, reduces epitaxial defects, and improves profile uniformity.

Increasing well spacing from the center outward evens current flow in an MPS diode, lowering on-state voltage drop and local heating.

A higher-doped region around MPS diode wells shifts reverse-bias power dissipation into the active area, limiting termination breakdown and leakage.

An asymmetric drain-side junction and field plate cut flicker and input-related noise while preserving transconductance in scaled transistors.

An inhibitor layer plus cycle-by-cycle condition changes improves selective substrate film growth, step coverage, thickness uniformity, and roughness.

Electromagnetic heating lowers curable composition viscosity during flat-surface contact, enabling faster planarization and accurate film formation.

Controlling brazing temperature suppresses CuZn3 phase and voids in Cu-Zn joints, improving high-temperature contact reliability in motors.

A graded doped region around MPS diode wells evens current flow, lowering on-state voltage drop and improving forward surge capability.

A self-aligned vertical gate structure tunes work function across buried gates to cut GIDL and improve threshold voltage control.

A movable coupling between the top and base plates absorbs thermal deformation, reducing stress on the thermoelectric module in high-temperature use.

Optical, proximity, and electrical sensing verify tubing reconnection before chemical flow, reducing leakage and operator error during container exchange.

Parallel transfer chambers, buffers, and process modules raise substrate cleaning, dicing, and chiplet bonding throughput without separate tools.

Pre-patterned target openings and trench filling improve conductive layer alignment while reducing etch complexity in semiconductor structures.

Two angled edge measurements calculate misaligned substrate centers in 3D, improving lamination accuracy, yield, and contamination control.

A low-k spacer beside the gate cuts parasitic capacitance and widens overlay shift tolerance for tighter semiconductor contact spacing.

Alternating Si-C-O-N dielectric sub-layers improve etch selectivity and mechanical strength in scaled semiconductor interconnect structures.

Polarized auxiliary imaging separates wafer grooves from debris, enabling more reliable laser processing quality checks.

Intervening support pillars between adjacent memory blocks prevent block bending during 3D NAND fabrication while preserving isolation and array stability.

Thermally stable ligands on metal nanoparticles cut photoresist scum during baking, improving EUV pattern resolution and uniformity.

High-voltage, low-pressure plasma ALD cuts WVTR while increasing SiOx film density and lowering stress for durable ultrabarrier coatings.

A hydrogen-rich buffer layer terminates proton-irradiation defects, extending carrier lifetime while suppressing switching voltage oscillations.

A relay-based pneumatic branch keeps the upstream valve closed while opening the downstream valve to detect MFC and upstream leaks before wafer processing.

Pulsed laser irradiation builds and releases stress in the absorption layer, separating bonded substrates faster while protecting device layers.

Self-aligned BEOL patterning removes the hard mask, widens overlay margin, and supports multi-metal fill with low-k dielectric voids.

Selective epitaxial bridging forms precise covered voids in semiconductor substrates, enabling dense device integration, cooling channels, and nanofluidics.

Cyclic oxidation and fluorine volatilization thin mandrels below 20 nm with low edge roughness, extending EUV patterning capability.

Plasma deposition from halogen-containing silane forms a flowable film that cures into dense, void-free filling in high-aspect-ratio recesses.

Bubble discharge and a rectifying plate even phosphoric acid flow to control silica concentration, improve nitride selectivity, and prevent precipitation.

Thermal diffusion of P-type dopants through the BOX forms a substrate P-N junction, cutting RF losses without mask-based implantation.

A sealed carrier keeps wafers immersed during transfer, enabling flexible wet processing and drying without air exposure or throughput loss.

An insulator cap atop the gate acts as an etch stop, enabling self-aligned contacts that prevent gate shorts and reduce parasitic capacitance.

Atomic diffusion bonding with protection layers supports semiconductor thinning below 10 µm while reducing cracks, breakage, and film detachment.

Robotic jig separation, boat positioning, and torque-controlled locking improve die alignment and secure transport into semiconductor process chambers.

Angled ion implantation creates more uniform FinFET dopant profiles while reducing lattice defects, improving carrier mobility and short-channel control.

A suspended carbon nanotube channel with wrap-around gate dielectric improves electrostatic control, cutting short-channel effects and subthreshold swing.

A grounded carrier and plasma charge cloud enable faster, uniform poling of multiple polymer thin films across large processing areas.

Multiple pretreated and post-treated semiconductor liners widen and deepen narrow active regions while reducing defects in trench isolation.

Branched suppressing agents improve sidewall suppression for void-free bottom-up filling of sub-30 nm features with smooth electroplated deposits.

Hydrogen annealing at the trench-gate dielectric interface cuts etch defects, extending DRAM retention time and reducing refresh power.

Using SADP with a denser second oxide hard mask layer reduces oxide loss and mask bending while improving semiconductor pitch control.

Controlled humidifying before exposure and dehumidifying after exposure improves metal photoresist reactivity while keeping CD uniformity on large substrates.

Asymmetric protrusion spacing on an ultrasonic bonding tool directs whiskers inward for easier removal and fewer short-circuit risks.

A protection layer and etched transition layer create a planar surface after laser lift-off, reducing GaN leakage current and raising breakdown voltage.