Inking Apparatus TRIZ Cases

Recessed nozzle rows generate stable vortex air flow to reduce disturbances and minimize ink droplet deviation.

Classifying nozzles by moving average ejection rates sets group-specific drive signals, resolving striped density unevenness in thin film production.

Central positioning of inlet and outlet portions in a liquid ejecting head reduces flow channel resistance variations across head units.

A piezoelectric ink discharge head uses a recessed valve body to press ink out at high speed.

Slits in the heat sink counter surface enable bending to match a warped circuit board, eliminating gaps that reduce heat dissipation efficiency.

A screen printing device uses optical axis calibration to align imaging axes for precise substrate positioning.

Segmented printhead cartridges with dedicated fluid couplings resolve nozzle failure trade-offs by enabling targeted maintenance.

A liquid ejection head uses a gas blowing port array to stabilize ink droplet landing positions during high-speed printing operations.

An insulated head unit with through-hole conductors connects driver ICs to piezoelectric electrodes while blocking heat transfer.

Segmented nozzle portions with varying capacities enhance ink circulation, preventing viscosity increases that cause ejection failures in micro nozzles.

A micro-fluidic thermal inkjet print head reduces fluid viscosity through targeted heating elements and controlled nozzle firing frequencies.

Flared fluid outlets vent air bubbles while a flexible film regulates hydrostatic pressure in the inkjet manifold.

Segmented supply channels reduce flow resistance and suppress efficiency loss while maintaining a stable interface between two liquids.

Sandwiched engaging portion prevents unintentional cover detachment, ensuring stable operation without screws.

An offset obstacle array separates larger particles from ink via angled trajectories while maintaining a pressure drop below 100 Pa.

A liquid discharge head uses a bypass trace to supply electric charge through alternative paths.

Recirculation flow paths with specific fluidic resistance prevent ink drying and settling between print jobs.

Segmenting the return channel with a branching path bypasses clogged filters, maintaining uniform channel resistance and preventing nozzle meniscus breakage.

A liquid droplet ejecting head balances nozzle diameter with channel natural frequency to ensure stable ink ejection.

Intermittent cooling air from a printer blower facilitates clean removal of intermediate transfer media, eliminating edge flash defects.

Continuous ink supply maintains pressure chamber readiness during ejection fault recovery, preventing availability loss from wiping or flushing downtime.

Interchangeable cover and base components reduce packaging complexity while maintaining stable stacking for multiple ink pad colors.

Aqueous ink with soluble metal ions prevents anionic component adhesion on recording head electrodes.

Independent circulation prevents nozzle clogging when the cap unit cannot seal the surface.

Segmenting the flow path with independent pressure control prevents discharge port clogging and reduces energy loss while managing air bubbles and dust entry.

Extension parts and dummy channels trap adhesive via capillary forces, preventing clogging in individual channels of liquid ejection heads.

An arc-shaped platen roller holding mechanism allows users to detach and replace the roller, reducing maintenance complexity in portable printers.

A piezoelectric actuator uses a narrower second layer and extended third electrode to increase deformation efficiency.

Overlapping nozzle rows enable a white base coat that compensates for non-white media color distortion while maintaining high positioning precision.

A laminated porous body absorbs liquid from ink images using capillary action, preventing smeared images and interface peeling during conveyance.

Pneumatic air curtains and suction units control flow fields to prevent contamination in organic light-emitting display manufacturing.

Segmented receiving cavities isolate individual ink-jet cartridges to eliminate complex channel systems and reduce manufacturing costs.

Separate mounting surfaces prevent ejection surface damage during storage while reducing nozzle spacing and assembly complexity.

Rotating head cover exposes the thermal head connector to eliminate manual force and prevent breakage during replacement.

Positioning the flow path pipe outside the welding region prevents unevenness, ensuring air tightness and bubble discharge performance.

Heater placement on a protruding high thermal conductivity flow channel structure improves ink heating efficiency and reduces residual thermal stress.

Aligning inlet and outlet positions equalizes pressure across the individual channel, preventing unstable discharging caused by pressure differences.

A nozzle substrate design with tapered upstream and downstream sections aligns the coupling section center of gravity to constrain liquid ejection direction.

Filling through holes with fluidized conductive material reinforces electrical connections, preventing wiring peeling or breakage caused by heat and mechanical stress.

A liquid ejection head uses separate wiring boards to isolate the integrated circuit from the energy-generating element.

A liquid discharging head uses residual vibration signals to terminate ink filling operations precisely.

Increasing the fluidic travel distance from a piezoelectric actuator to an adjacent nozzle reduces cross-talk and improves droplet placement accuracy.

Segmented cover members maintain stiffness and airtightness, preventing warpage and peeling in liquid ejection heads.

A liquid coating method segments nozzle ejection variations into discrete sections to assign adjustment amounts for uniform droplet deposition.

A segmented ink-jet manifold uses varying acoustic capacitance to attenuate pressure waves efficiently.

A liquid jetting head uses a dummy pressure chamber to position a temperature sensor on the vibration plate for precise thermal monitoring.

A droplet ejection head uses specific flow channel resistance to manage ink movement across individual supply and recovery paths.

Atomic layer deposition of a tantalum oxide film on laminated silicon substrates prevents pinhole formation and substrate erosion in high-density inkjet heads.

A liquid ejection head uses an intermediate layer with controlled water absorption to manage developer penetration during photosensitive resin curing.