Printed Circuit Aspects TRIZ Cases

A reflecting sheet with a through hole and restricting member stabilizes lens positioning, preventing deformation without additional screws.

A multilayer resin substrate uses a planar ground conductor with varying opening aperture ratios to manage thermal expansion and gas pressure.

Dispersing CuFe2O4 and TiO2 accelerators within the substrate enables low-energy plating that prevents plastic degradation while improving adhesion.

An insulation layer isolates a conductor frame from a conductive housing, preventing grounding interference that degrades radio frequency signal integrity.

Board configuration blocks and edge scheme projections display operational diagrams on printed circuit boards.

An embedded device assembly removes non-conductive material to enhance flexibility, enabling efficient heat dissipation without bulky heat sinks.

A programmable interconnection substrate uses selective disconnection of conductive traces to configure electrical circuits without redesigning the base layout.

A composite double-sided copper foil substrate with a specific adhesive layer structure enhances flexibility and thermal resistance.

A ceramic carrier coated with phase change material connects a printed circuit board to a heatsink.

Wire bonding replaces bulky connectors with sub-150 micron pitches, reducing device volume while maintaining reliable electrical connectivity.

A multi-layer circuit board embeds a heat conducting block within a receiving slot formed by stacked daughter boards.

Segmented metal posts with reactive barrier layers resolve the contradiction between manufacturing simplicity and thickness uniformity during PCB fabrication.

A flexible circuit connects a printhead body to external circuits using integrated circuits and conductive leads.

Composite flame retardants raise glow-wire ignition temperature above 750°C while maintaining Laser Direct Structuring processability.

Embedded metallic retaining supports in a plastic CPU retainer prevent breakage at positioning post corners, resolving durability trade-offs.

A release sheet blocks oxygen during thermal curing of maleimide resin compositions.

A flat heat pipe embedded between vertically stacked power devices transfers thermal energy directly from the substrate to a condenser.

Relocating FPC and COF bonding areas to side borders reduces bottom border width below 0.85 mm while maintaining full functionality.

Time-domain reflectometry measures signal reflection delay in conductive traces to identify passive printed circuit board manufacturing information.

Silk screen markings differentiate connectors on a commonized printed circuit board, preventing incorrect cable attachment and reducing manufacturing costs.

A flexible printed board design incorporates a restraining space between outermost terminals to contain anisotropic conductive adhesive.

Extracts diagnostic functionality from the host interface into the optical connector, reducing electromagnetic interference and simplifying assembly.

A light-peelable adhesive layer bonds a panel bottom cover and support film to reduce thickness and manufacturing costs.

Benzene ring peroxide crosslinks cyclic olefin copolymer to resolve thermal stability deterioration and bond strength loss at elevated temperatures.

Thermal vias transfer heat from surface mount devices to heatsinks, eliminating thermal interface material costs and reducing thermal resistance.

A concave convex electrode pattern guides coating liquid spread to position protective films accurately on sensing electrodes.

Replacing bulky heat sinks with a piezoelectric synthetic jet reduces system thickness while maintaining efficient thermal management.

A printed circuit board connection portion features a protruding structure with internal recesses to increase contact area.

A printed circuit board assembly consolidates ground fault input devices and status indication apparatus into a single enclosure.

A locking mechanism with recessed movable portions secures a printed circuit board to a chassis.

A wiring substrate uses recessed electrode pads and metal layers with differing ionization tendencies to control etching depths.

Thermal pressing integrates flexible magnetic induction coils with connection plugs, resolving alignment mismatch issues in rigid circuit board designs.

Segmented electrodes reduce manufacturing complexity and cost by allowing independent formation of component-side and substrate-side coil parts.

A hybrid printed circuit board uses an aluminum core and copper patterns to conduct thermal energy away from mounted components.

A coil electronic component uses a support member with a protrusion to increase the coil area.

Alloying paste fills via holes in multilayer wiring boards, eliminating cap plating to reduce thickness while maintaining long-term stability.

Segmented solder resist thickness enables early deterioration detection on printed board wiring patterns while maintaining manufacturing yield.

Metal core printed circuit board integrates thermal passages within insulating layers to isolate electrical coupling while conducting heat.

A flexible printed circuit board with cutting indication lines adjusts the distance between a sensor substrate and a control board.

Open stub wiring cancels negative reflections from long branch lines, maintaining signal quality in high-density memory systems.

Sloping side edges on shared pads guide component terminals to precise positions, eliminating misalignment and solder ball generation during mounting.

Segmented adhesive layers optimize thermal conduction and adhesion strength, resolving the trade-off between heat dissipation and bonding reliability.

Segmenting power cells across a flexible printed circuit board maintains center of mass balance while enabling the device to bend like real currency.

A flexible circuit board assembly integrates a reinforcing plate via a dielectric layer and conductive adhesive for secure attachment.

An isolation protecting line placed between adjacent voltage signal lines on a flexible circuit board prevents copper ion migration.

Flared metal posts and protective plating films prevent etching thinning and short circuits in printed wiring board manufacturing.

Vertical wiring lines in a planar inductor support three-dimensional mounting while reducing warp and maintaining DC superposition characteristics.

A perpendicular third conductor suppresses substrate warp and parasitic components by minimizing shrinkage forces during the firing process.

Voltage switchable dielectric materials shunt excess currents to ground, protecting components without adding board space.

Two opposing inkjet heads deposit curable material into printed circuit board vias from opposite sides to achieve precise partial closure.