Printed Circuit Assembling TRIZ Cases

A porous polytetrafluoroethylene membrane bonded by a heat-resistant double-sided adhesive sheet maintains structural integrity during reflow soldering.

A laser-based method transfers unpackaged semiconductor dies directly into substrate cavities using a volatilizing polymer support layer.

Unified interconnections secure a haptic actuator to a touch assembly, resolving trade-offs between feedback reliability and device complexity.

A solder mask patch confines conductive bump material during reflow, eliminating registration openings to reduce escape pitch and increase routing density.

Parallel recess ends retain a conductive strip for insulation, avoiding short circuits from alignment errors.

Integrating a light source with a diffuser reflects illumination through the stop plate, eliminating bulky external lighting and reducing system weight.

Segmented metal traces replace contiguous plates to dissipate heat and prevent die stack delamination during thermal processing.

A flux resin composition cures to form a reinforcing portion covering soldering joints.

Side pads on flexible circuit boards increase connection terminals without widening the board width, enabling compact optical module design.

Extended connection electrodes surround contact points to maintain electrical integrity when the flexible board curls up.

Angled channels and support members enable arbitrary angle connections in printed circuit boards, avoiding edge cutting that compromises mechanical strength.

Side-surface electrode placement with asymmetric internal structures reduces equivalent series inductance and acoustic noise from piezoelectric vibrations.

Co-planar inductor leads and adhesion layer bonding resolve misalignment issues while enhancing thermal dissipation.

Elastomeric isolator allows floating connector to move resiliently in three dimensions, maintaining constant engagement during shock and vibration.

A jigless soldering method uses a temporary fixing agent to secure solder before vaporizing it in a vacuum.

Encircling the periphery of a built-in component with a frame-shaped electrode suppresses resin flow, preventing wiring-conductor and via defects.

A tilting pressing tool automatically adapts to circuit board inclines during bonding operations.

A package assembly uses a substrate guard ring and solder joint to hermetically seal a cavity around sensitive components.

Epoxy adhesive compound with electron-donating fluxing agent maintains high adhesive force at elevated temperatures.

Thermal capacitors balance temperature gradients across printed circuit boards, preventing suboptimal soldering quality caused by uneven heat distribution.

Movable heat-press unit reshapes molten pre-tin to prevent flow onto adjacent pads, resolving dry solder joint failures.

A modular inverter platform uses mounting components to switch modules between physical and electrical configurations.

Asymmetric lead configuration in multilayer ceramic capacitors reduces equivalent series inductance while maintaining high capacitance density.

Direct laser boring after lamination aligns via holes with stop pads, eliminating short circuit risks from interlayer offset.

Neck-down regions reduce trace width through BGA pin fields, resolving impedance discontinuities and manufacturing difficulties at 25 G transmission rates.

Inclined connection conductors penetrate a molded portion to bond external terminals, preventing oxidation and enhancing bonding reliability.

Silver-plated copper powder second conductive elements prevent galvanic corrosion at tin solder interfaces.

A pressure application apparatus moves objects into contact to detect horizontal positional shifts before final alignment.

Thicker lower cover layer in multilayer ceramic capacitors reduces acoustic noise from piezoelectric vibrations while maintaining high capacitance.

Stamping a malleable material recess defines the cavity profile, eliminating complex etching operations and ensuring homogeneous shapes.

Fluorinated hydrogen donors accelerate photopolymerization in photocurable compositions to enhance curing sensitivity.

Self-assembled monolayer assisted structuring forms conductive traces on dielectric surfaces after initial substrate fabrication.

Segmented conductive bonds join CMUT arrays to electrical substrates, improving signal-to-noise ratio while maintaining structural integrity.

Integrating the circuit layout onto the fan housing surface eliminates internal wiring, reduces height, and prevents blade-wire contact.

Additional mechanical pins and connecting pieces increase housing rigidity, shifting the natural frequency to reduce vibration sensitivity.

A camera holder captively aligns an image sensor to eliminate shim inventory costs and mechanical complexity.

Side-mounted flexible circuit boards with anisotropic conductive films reduce bezel width while maintaining reliable electrical contact.

Segmented dielectric layers provide moisture impermeability while reducing internode capacitance on circuit boards.

Segmented pins flex to isolate thermal strain from dissimilar materials, maintaining precise alignment and improving heat conduction.

A multilayer ceramic capacitor uses distinct electrode materials to adjust equivalent series resistance while maintaining low inductance.

Adhesive bonding secures SMD semiconductor light sources to circuit boards before solder melting.

An intermediate product embeds components in an insulator layer with exposed contact elements for circuit board manufacturing.

High-metal conductive layers on multilayer ceramic electronic part corners resist plating solution infiltration while maintaining miniaturized size.

A dual side package on package design uses a substrate wafer with front and back mounted chips to simplify manufacturing.