Mutiple Dynode Arrangements TRIZ Cases

Binder-coated microfibers are wound, cured, and sliced to produce microchannel plates with more uniform channels and fewer defects in mass production.

A micro-lens array redirects incident light from low-efficiency photocathode regions to high-efficiency areas, boosting PMT quantum efficiency.

A polycrystalline, amorphous, and carbon-layered substrate suppresses charging and electron-induced light emission that raise dark current.

Hexagonal tapered inlet bores raise microchannel plate open area to 91%+ while preventing tip discharge and preserving wall strength.

A planar dynode and insulated wire anodes add staged electron multiplication and collection to improve MCP output linearity and detection performance.

Multi-stage dynode multiplication boosts MCP output linearity and electron counting throughput without further reducing plate resistance.

Selective electron deflection in a radiation portal monitor suppresses X-ray interference, avoids PMT saturation, and preserves gamma detection.

Native Al2O3 or BeO grown on Al, alloy, or BeCu dynodes removes SEE coating steps, cutting DDEM cost while enabling precise shaping.

Alternating emissive surface compositions counter water-induced gain swings in ion detector electron multipliers, reducing recalibration and downtime.

A metal-particle resistance layer stabilizes electron multiplier resistance and current flow across wide temperature ranges.

Two-dimensionally arranged metal particles in the resistance layer suppress temperature-driven resistance drift in ALD-MCP electron multipliers.

Graphene ion barrier membranes block stray ions while transmitting primary electrons, resolving signal loss trade-offs in electron multiplying vacuum tubes.

Independent voltage control at each dynode stage prevents saturation and maintains linearity across varying light intensities.

Atomic layer deposition creates a uniform resistance film on electron tube bases to suppress base electrification and stabilize withstand voltage.

A microchannel plate uses a double cladding structure with tapered openings to enhance electron detection efficiency.

A conductive ion suppression grid positioned between the photocathode and microchannel plate neutralizes positive ions via electrostatic repulsion.

A microchannel plate uses an MgO first film and a thinner SiO2 second film to enhance electron multiplication efficiency.

Segmenting the insulating substrate with grooves prevents electron incidence that causes electrical charging and lowers withstand voltage.

A wall-less electron multiplier assembly uses sparse spacer elements to support electrode plates without continuous dielectric walls.

Integrating the micro-channel plate and anode on an insulating substrate with a metal shield reduces part count and stabilizes operation.

A metal tubular member with an extending section secures pins to the stem, enabling precise thickness control while maintaining large effective detection areas.

Cutout portions in dynodes and anodes remove stem pin obstructions, improving electron detection efficiency.

An Al2O3 first film and a thinner SiO2 second film on microchannel plate walls suppress gain deterioration from atmospheric contamination.

Concave side surfaces on a first-stage dynode reduce cathode transit time difference and spread by shortening secondary electron paths.

A thin film with negative electron affinity reduces electron radial velocity between the multiplier and screen.

A microchannel plate employs a double cladding structure to reduce electric resistance.

Segmenting glass compositions resolves the contradiction between electrical stability and acid resistance in microchannel plates.

Vertical electrodes enable compact photon detection while reducing device weight and manufacturing complexity.

Segmented columnar dynodes minimize electron collisions with insulating surfaces, suppressing luminescence noise while maintaining compact device dimensions.

A photomultiplier tube design uses conductive support protrusions to position the anode directly on the final dynode without insulating layers.

Segmented emissive layers protect against ion migration and charge depletion, extending device lifetime while maintaining high gain stability.

A compact electron multiplier unit alters secondary electron trajectories to achieve cascade multiplication within a shortened cylinder.

Tortuous baffles reduce vacuum conductance and ion feedback, extending electron multiplier operational lifetime.

Vertical electrode stacking reduces device volume while maintaining light detection sensitivity in compact photomultipliers.

Segmented dynodes with columnar parts form electron multiplying channels, maintaining high gain in downsized photomultiplier tubes.

Supporting bases extend vertically from insulating substrates to prevent electrical charging and maintain withstand voltage in downsized photomultiplier tubes.

Automated atomic layer deposition replaces manual assembly of brittle lead silicate glass, reducing manufacturing costs while maintaining high electron gain.