From Chemically Reactive Gases TRIZ Cases

Pre-formed separation grooves protect active layers and chip sidewalls during etching, improving light-emitting efficiency in small semiconductor chips.

A grooved support socket fixes graphite substrates during SiC deposition and machining to control flatness, coating thickness, and wafer yield.

Wet etching exposes the P-type GaN layer without over-etching or dopant passivation, preserving PN junction quality and contact accuracy.

Cascaded-bandgap waveguide photodiodes replace the demultiplexer to separate WDM signals in one compact receiver with low cross-talk.

A lower-volume upper dome shrinks process space so lamps heat the susceptor faster with less temperature variation and fewer epitaxial defects.

Blind holes and micro/nano textures raise susceptor emissivity to at least 0.95, cutting lamp reflection that distorts thermal sensor readings.

A side-entry optical path inside the MBE chamber shortens lens-to-substrate distance for sharper laser focus while insulation and cooling protect optics.

Independent middle and outer gas channels balance chamber pressure and improve epitaxial film thickness uniformity during wafer rotation.

An inclined susceptor and liner confine processing gas to the upper chamber space, reducing particles and improving thin film uniformity.

A protrusion-recess flow equalizing plate and multi-port intake layout even out process gas diffusion to improve epitaxial film thickness uniformity.

An axially movable reflector disk redirects radiant heat and adds cooling flow paths to improve wafer temperature and deposition uniformity.

A raised outer periphery and tuned pocket height help (110) wafers maintain gas flow balance and improve Front ZDD and ESFOR MAX.

A backside pocket cuts substrate support thermal mass, speeding thermal cycling, improving uniformity, and keeping lift pins compatible.

Multiple frontside and backside pyrometers guide heater power and precursor flow to keep wafer temperature and epitaxial thickness uniform.

Independent gas-line heating and insulation stabilize gas activation before chamber entry, improving deposition uniformity and recipe flexibility.

Feedback control of pressure, mass flow, and vapor concentration keeps CVD process gas stable and improves semiconductor layer deposition quality.

Auxiliary and purge gas flows localize edge-area deposition control in an epitaxy chamber to suppress cross-hatching and preserve film quality.

Varying exhaust pathway sizes in an epitaxial chamber balances gas flow and temperature to improve center-to-edge deposition uniformity.

Plate protrusions disrupt chamber gas flow to improve deposition uniformity, element concentration, and gas activation without substrate rotation.

An RF antenna embedded in tube grooves boosts radical and ion generation along the plasma tube while enabling lower-temperature processing.

Independent circumferential heating wires offset susceptor tilt during rotation, keeping substrate temperature and epitaxial film properties uniform.

Radially varied convex groove heights keep a rotating III-V nitride wafer gap stable, improving thermal and wavelength uniformity.

Moon rock is sealed inside a grown or bonded gemstone cavity to block tampering, contamination, and adulteration while preserving authenticity.

Movable chamber regions enable cleaning during substrate cooling and exchange, cutting semiconductor process downtime and preserving deposition quality.

Frontside and backside pyrometers drive real-time heater and precursor flow control to keep wafer temperature and film thickness uniform.

Axially adjustable reflector disks redirect radiant energy and cooling flow to improve substrate temperature and deposition uniformity.

Multiple frontside and backside pyrometers drive heating and precursor-flow feedback to keep wafer temperature and film thickness uniform.

Partitioning a processing chamber into controllable gas-flow zones improves batch epitaxial deposition uniformity and center-to-edge adjustability.

IR-absorbing isolation plates and a substrate envelope tune chamber thermal profiles to improve low-temperature epitaxy film uniformity and purity.

Mass flow controllers, pressure regulation, and concentration sensing stabilize starting-material delivery to a CVD reactor.

Uneven gas flow and leakage can cause edge roll-off; liner inlets and exhaust openings improve substrate deposition uniformity.

Uneven substrate coatings are addressed by tuning purge and process-gas paths around an Epi isolation plate, improving uniformity and limiting internal deposition.

Segmented flow levels and zones coordinate gas delivery with heat shielding to improve deposition uniformity and process adjustability.

Curved openings guide process gas around the liner, limiting leakage and condensation that can corrode semiconductor chamber components.

Upper and lower linear heating modules, reflectors, baffles, and cooling improve chamber uniformity while reducing gas use.

Segmented process chambers enable deposition and cleaning at once, raising throughput.

Flow guide blocks shape gas paths for more uniform deposition and cleaner chambers.

Engineering plastic flanges join quartz casings with O-ring seals, forming a cooled interspace without unreliable tube welding.

Diffusion-bonded quartz casings circulate cooling fluid without artisanal welding.

A liquid-tight cooling interspace and plastic flanges improve quartz reactor casing reliability without artisanal welding.

A liquid-tight, O-ring-sealed interspace cools quartz casings while flanges replace costly, unpredictable tube welding.

A rotating element removes injector deposits during semiconductor deposition, reducing particles and easing reactor dismantling.

Regionally dense liner partitions guide source gas evenly, improving epi-layer thickness uniformity across the wafer.

A susceptor design using a cylindrical portion heated by induction to warm the central zone of the disc-shaped substrate support.

Replacing intrinsic amorphous silicon with a doped layer reduces absorption loss and carrier recombination in interdigitated back contact solar cells.

Multi-chamber epitaxial reactor uses lamp heating and alternating gas flow to deposit silicon films with high uniformity.