Inking Apparatus TRIZ Cases

Separating pigment from waste ink and recirculating humidified solvent avoids energy-intensive evaporation while maintaining inkjet printhead operation.

A pump-driven water-cooling mechanism reverses liquid flow through the assembly to manage drive-circuit heat and support stable ejection.

A multilayer vibrating plate uses localized recesses to increase chamber volume change while limiting compliance during piezoelectric discharge.

A mirror-symmetric chamber layout and parallel baffle stabilize droplet trajectories, reduce fluidic crosstalk, and support compact nozzle rows.

A dual-pressure circulation layout limits residual ink flow when printing stops, preventing color mixing during wiping or suction recovery.

Separate orientation control layers help stacked thin-film piezoelectric bodies improve displacement efficiency and liquid ejection.

A supported gas-permeable film removes bubbles before liquid enters the pressure chamber, improving ejection stability.

A gas-permeable film and depressurization chamber remove bubbles after tank or head replacement, stabilizing ejection pressure and limiting leakage.

A self-orienting layer aligns the upper thin-film piezoelectric body, improving liquid ejection while reducing orientation-control material costs.

Residual vibrations destabilize low-viscosity droplets at high frequency; staged contraction and re-contraction pulses stabilize ejection.

Dual depressurization chambers use gas-permeable membranes to discharge bubbles and stabilize liquid ejection while limiting leakage.

Separate step-down circuits power the output and control circuits, helping maintain accurate, stable liquid ejection as apparatus size grows.

Different starting electrical potentials expand droplet-amount control when fixed potentials limit liquid ejection precision.

A cover detector identifies collision-related deformation and alerts users before the liquid ejecting head develops printing defects.

A hydrogen barrier limits diffusion from the moisture-resistant layer, preserving piezoelectric insulation and reliability.

Different (100) and (111) orientation ratios in stacked piezoelectric films improve liquid ejection beyond simple layer stacking.

Large-amplitude drive signals heat transistors in liquid dispensers; an opposite-side heat sink improves thermal conduction and operating stability.

A gas-permeable film and depressurization chamber remove maintenance bubbles, preserving ejection pressure and limiting liquid leakage.

Pressure-differential gas collection moves bubbles through permeable membranes, helping stabilize liquid ejection and prevent leakage.

A detection element monitors cover deformation in liquid ejecting heads, enabling anomaly notification before printing defects occur.

Ceramic throttle portions increase flow resistance to reduce meniscus swelling and stabilize high-frequency liquid ejection.

Airflow can shift ink landing in large printing gaps; suction holes draw gas opposite discharge to stabilize nozzle output.

Alternating non-discharge nozzle regions limit airflow interference between adjacent liquid discharge heads, reducing landing deviation and streaks at high conveyance speeds.

Separate discharge units support flexible layouts and let failed substrates be replaced without replacing the entire liquid discharge head.

Gas-discharge ports between adjacent nozzles counteract discharge airflow, keeping droplet landing positions stable in high-density arrays.

Settling particles can accumulate in the liquid chamber; a posture-controlled stirrer redistributes them for stable, uniform-concentration ejection.

Throttled pressure-chamber inlets reduce meniscus swelling for faster, more stable droplet ejection in high-frequency printing.

Gas-discharge ports between adjacent nozzles counteract droplet-induced airflow and stabilize application positions in high-density liquid discharge heads.

Separate supply and collection channels circulate ink near ejection ports, limiting thickening while reducing tube complexity and motor load.

Triangular and periodic delay variations coordinate nozzle drive timing to prevent density unevenness caused by discontinuous sawtooth delays.

A softer first fill layer relieves thermo-mechanical stress while a harder layer protects inkjet printhead wirebonds from chemicals.

Smoothing workpiece surface data lets a multi-joint robot maintain liquid ejection head distance, avoiding collisions while preserving print quality.

Damper members preserve bonding area and channel space, reducing crosstalk and pressure loss without enlarging the chip.

Bubbles entering during maintenance can weaken ejection pressure; a permeable partition channels them to a gas-collection hollow portion and limits leakage.

The gas ejector clears ink droplets from a printer’s ejection surface without rubbing, preserving water repellency and outlet performance.

Variable-diameter, inclined nozzles and an electric-field stage align bipolar elements during ejection for accurate display deposition.

Opposite linear expansion coefficients in the driver, valve, and fixing member offset heat-driven displacement for steadier droplet discharge.

Separate supply and collection channels with a circulation pump maintain ink flow while pressure adjustment limits thickening and downtime.

Gas bubbles are filtered while pressure loss remains below the meniscus break pressure, supporting stable liquid droplet ejection.

An inclined supply-port wall guides filler and lets trapped air escape, preserving ejection-port flatness and printing quality during substrate manufacture.

A bismuth-containing seed layer and lithium-transition-element film limit diffusion, preserve crystal orientation, and reduce leakage current.

Overlapping nozzle arrays and selective head firing address alignment errors and discharge variation in wide-media printing.

Resonant valve-body vibration removes foreign substances while controlled opening limits unintended ink discharge in liquid discharge heads.

Varying nozzle density across arrays limits airflow interference, stabilizing droplet landing positions and improving image quality.

Segmented supply, common, and collection paths with two pumps keep ink circulating and limit concentration changes after long idle periods.

Thermal transfer printers can overdeliver ink ribbon during stop and restart; coordinated head separation and speed changes limit nonprinting waste.

See how a recessed groove receives a nozzle-cover projection to strengthen bonding, resist peeling, and block foreign-substance ingress.

Separate flow paths and a flexible member limit pressure transfer between nozzle groups, helping prevent ejection failures in liquid ejecting heads.

Elongated fluid resistors align with paired channels to limit blockage, improve bubble removal, and maintain liquid discharge performance.

Independent piezoelectric elements drive pressure and absorption chambers to stabilize liquid pressure and improve ejection consistency.