Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Selective laser ablation removes opaque underfill coating to expose alignment marks, resolving detection difficulties while maintaining protective benefits.

Lateral concentration gradients enable sloping profiles and dissymmetrical structures, resolving etching control limits in complex geometries.

Self-aligned vertical patterning bypasses lithography limits to enable sub-lithographic interconnect density.

Atomic layer deposition of tungsten films using tungsten hexachloride and hydrogen reduction gas improves step coverage while increasing film forming speed.

A substrate heating device uses a branch flow path to switch gas discharge toward non-substrate regions.

Composite pellicles balance EUV transmittance and mechanical strength for lithography.

Segmenting the nickel silicide into NiSi and Ni2Si regions prevents MOS interface damage while maintaining low contact resistance.

Thicker embedded electrodes reduce current density while an inductor filters high frequency currents to prevent substrate backside arcing.

Integrating a Schottky junction within the gate trench reduces turn-OFF loss while maintaining breakdown voltage.

Plastic stoppers with convex cambered surfaces absorb positional misalignment impacts, preventing substrate damage during display device manufacturing.

Graded oxygen content in stacked metal oxide layers limits oxygen-deficient region extension, reducing read current non-uniformity and switching errors.

A method forms cleaved facets on compound semiconductor layers using r-plane sapphire substrates with specific crystal orientations.

Opposite conductive separation regions enable closer buried layer spacing, reducing substrate area while maintaining vertical insulation reliability.

Rotating substrates below 750 rpm carries off insoluble dye molecules, preventing corner accumulation that disrupts subsequent CMOS processing steps.

A photolithography simulation method identifies a stability range where structure elements remain constant across varying threshold values.

Single-crystalline AlN gate insulators provide high breakdown voltage while PECVD SiN passivation mitigates trapping effects during MOCVD processing.

Merging body ties into source regions reduces on-resistance and area product while maintaining control over parasitic bipolar transistors.

A magnetoresistive device incorporates a spin Hall channel region to assist switching the magnetic state of the free magnetic region.

An automated orientation tool rotates semiconductor workpieces to match manufacturing tool requirements.

A sacrificial gate electrode features a narrow portion above the fin top to define metal gate height during manufacturing.

A stabilization reaction unit applies energy to corrosive halogen gas flowing through metallic supply lines.

A patterned covering layer defines alternating wider and narrower spacings for a non-uniform buffering layer that controls dry etching progression.

Centralizing a pilot IGBT region with optimized doping and geometry resolves inhomogeneous temperature distribution and snap-back effects.

Periodic pulsed laser irradiation activates rear surface dopants while suppressing front surface temperature rise to prevent structural damage.

A recessed contact region increases the interface area between a landing plug and a semiconductor substrate.

Segmenting teaching and measurement phases allows accurate lost motion detection without complex offset procedures.

Iterative EUV dose correction map compensates flare intensity to stabilize pattern dimensions.

Variable light quantity imaging differentiates narrow wafer grooves to enable accurate cutting blade positioning.

Dual-wavelength illumination optimizes quantum efficiency and emittance in a multi-layered GaN-AlGaN photocathode, enabling high brightness.

Novolac resin underlayer film improves adhesion to substrates while maintaining permeability to hydrophobic gases.

A high-resistance epi hard mask prevents field oxide removal during HF cleaning, maintaining stress alignment in semiconductor devices.

A thin anti-reflective layer absorbs stray electromagnetic radiation in semiconductor devices.

Aligned crystal directions in a bonded substrate overcome compressive stress degradation from shallow trench isolation regions.

Polishing a field plate dielectric layer controls the gate-drain overlap area, enabling accurate capacitance reproduction for optimized switching speed.

A patterned diffusing element scatters collimated light to cure polymerizable materials, eliminating Fresnel diffraction from superstrate chucks.

Independent flow control in central and peripheral gas zones resolves etching non-uniformity by optimizing residence time and fluid speed across silicon films.

A dedicated cooling chamber positioned between process chambers uses purge gas flow to cool substrates, resolving throughput loss from extended thermal cycles.

Multiple gates and self-aligned doped regions distribute drain voltage across LDMOS drift layers to shield gate edges from high electric fields.

A super-junction trench MOSFET uses split gate electrodes and a thick oxide layer to stabilize charge balance.

Semiconductor device structure uses overlapping conductive type well regions to enhance breakdown voltage and control depletion properties.

Ion implantation amorphizes metal surfaces to reduce dishing and erosion during chemical mechanical polishing.

Liquid deposition of zinc oxide precursors forms amorphous layers, eliminating high-temperature processing and complex vacuum equipment.

Ion implantation stabilizes photoresist features against deformation during high-temperature sidewall deposition, resolving SiO2 conformality defects.

Dry pressing ceramic powders into green compacts enables precise thickness control for large multilayer devices.

A magnetic annealing apparatus uses a rotating workpiece conveyance mechanism to hold wafers in horizontal or vertical states for processing.

Nickel silicide and tantalum carbide layers trap excess carbon atoms during heat treatment, preventing deposition that degrades wiring adhesion.

Rotating contact pads on a single end effector handle 200 mm and 300 mm wafers, reducing tool obsolescence.

Hydrogenation treatment on dummy gates enables complete removal via wet etching, eliminating residues that deteriorate device performance.

Multiple laser sources scribe parallel lines on thin-film solar panels through transparent substrates to resolve slow production speed.