Semiconductor/Solid-State Device Manufacturing TRIZ Cases

Ion implantation forms doping regions in a single epitaxial layer, reducing fabrication time while maintaining charge balance and withstand voltage capacity.

A substrate etching nozzle executes a continuous back-and-forth scan across the rotating wafer surface to distribute liquid supply points.

Replacing cC4F8 with hydrogen-containing fluorocarbons reduces RIE lag and facilitates polymer removal during high aspect ratio TSV manufacturing.

A dielectric stress layer modulates transistor characteristics in a 3D structure.

Back grinding removes laser-induced modified layers before dicing tape expansion, preserving die strength during thin wafer division.

Masked fluorine implant seals charge trapping sites at isolation dielectric structures before plasma etching.

Alternating high and low refractive index layers form an optical trap that minimizes light reflection from integrated circuit surfaces.

Ion implanted silicon carbide resistor layer prevents current concentration in parallel bipolar devices.

A sacrificial fin structure enables self-aligned middle-of-the-line contacts in semiconductor fabrication.

Pre-cleaning removes organic residues and native oxide films before vapor-phase etching, preventing microprotrusions and crystal defects on the active layer.

A substrate processing method widens a central opening in a liquid film to extract low surface tension liquids from the wafer.

Logic processor identifies dense substrate areas to generate masks forming even-numbered and odd-numbered features via spacer patterning.

Self-aligned spacer structures define precise source/drain and contact hole dimensions in miniaturized transistor layouts.

Differentiating gate via dimensions by location prevents electrical bridging near components while maintaining low resistance in isolated areas.

Introducing hydrogen donors into n-type substrates adjusts resistivity, reducing material wastage and improving yield per magnetic Czochralski ingot.

Buffered hydrogen peroxide solutions remove photoresist while preventing etching damage to tantalum-containing materials and low-k films.

A polysilicon rib waveguide overlaps a silicon germanium pocket to generate photocarriers within a standard semiconductor substrate.

Variable hole sizing in a segmented blocker plate reduces flow resistance, ensuring complete precursor purging before the next cycle.

Sloped substrate support and flow control ring maintain alignment during movement, preventing thin film uniformity loss from thermal deformation.

Segmented storage pods reduce inert gas purging time while elevators transfer cells through a sealed tank.

Stacked p-GaN, SI-GaN, and AlGaN layers form a heterojunction that generates two-dimensional electron gas.

Lateral protection areas prevent unwanted silicidation under the gate, enabling precise interface control and reduced contact resistance.

A semiconductor device uses striped p-plus contacts to increase carrier drawing region resistance.

A doped insulating layer heats to migrate dopants into covered fin portions, creating a localized barrier structure within the semiconductor substrate.

Backside pulsed laser processing forms shield tunnels through sapphire substrates for precise optical device wafer division.

A quartz cleaning tank with a heat-insulating wall maintains temperature uniformity during semiconductor wafer processing.

Reversed mandrel patterns in a gate-first process enable straight gate profiles and self-aligned source/drain structures while preventing mandrel bending.

Eliminates separate wafer bonding by integrating an ambient light sensor and optical elements on one substrate, reducing manufacturing costs and reject rates.

A silicon nitride gate dielectric layer enhances breakdown voltage in high-voltage MOS devices.

Lowering laser intensity under channels suppresses electrical characteristic variations while maintaining effective device layer separation.

Mechanical contortion via a curved chuck splits silicon wafers, reducing hydrogen dosage and surface roughness compared to thermal smart-cut processes.

Displaceable insert members regulate pressure on semiconductor dies with varying heights, ensuring consistent bonding quality.

Oxide layers isolate p-type and n-type columns in super junction trench power MOSFETs to prevent dopant diffusion during fabrication.

Laser annealing reduces interface carrier concentration to lower on-voltage deviation while maintaining breakdown voltage in thinned IGBT structures.

Remote plasma etching with chlorine precursors removes titanium nitride hardmasks while preserving copper integrity and low dielectric constants.

A chuck table frame integrates cooling water channels to maintain a predetermined temperature and prevent thermal deformation during grinding.

Variable source point parameters enable continuous polarization control for improved imaging.

A horizontal array stocker utilizes a gantry robot to transport wafer containers with minimal vertical motion.

Vertical immersed contacts reduce source-drain resistance by embedding into the fin structure, bypassing high-resistivity surface silicide layers.

Varying chamber coating thickness compensates for byproduct accumulation, maintaining consistent target dimensions across all processed wafers.

Buffer layers mediate lattice mismatch in GaN MPS diodes, enabling thicker epitaxial growth on foreign substrates to reduce defect density.

A protruding surface part with a step surface generates strong adsorption force for semiconductor wafers.

A surface plasmon layer with metallic particles enhances emission efficiency in semiconductor light emitting devices.

Segmenting substrate crystalline orientations optimizes hole and electron mobilities, enabling higher voltage operation without deep sub-micron scaling.

Horizontal arrangement of treating blocks and buffers increases parallel processing capacity while suppressing apparatus height and reducing overall footprint.

A first barrier pattern surrounding channel patterns reduces process variation from overlay shift, improving electrical stability while minimizing mask counts.

Silicon atoms penetrate the titanium nitride layer to block etchant infiltration, preventing bunker defects in the interlayer dielectric.

A substrate cleaning apparatus uses overlapping turning shafts and segmented cleaning members to improve detergency while reducing overall device size.

A two-step shallow trench isolation process structures semiconductor devices to minimize adverse thermal expansion effects on metal-oxide-semiconductor components.

Stainless steel shim couples silicon components to match thermal expansion, reducing indium interconnect fatigue and detector cracking during cooldown.