Printed Circuit Assembling TRIZ Cases

An asymmetric through-hole exposes a circular recognition mark to prevent pad misidentification and improve semiconductor chip positioning.

Spring-loaded compression plates hold ASIC BGA joints in compression during reflow, preventing separation from PCB thermal mismatch.

Impulse heating forms metallic interconnects while a repassivation layer fixes IC-to-antenna spacing to stabilize capacitance and RFID tuning.

Sequential Sn, Sn-Ag, and Sn-Cu plating suppresses heightwise composition variation in fine-pitch, high-aspect-ratio alloy bumps.

A CTE-matched spacer and flexible leads protect surface-mount components from thermal stress during assembly, operation, and repair.

Mutual diffusion bonding with high- and low-melting metals keeps stacked printed wiring boards bonded during reflow heating.

A three-layer resin structure separates transfer adhesion stages to stabilize conductive particle capture while improving insulation and connection reliability.

Targeted post-press heating strengthens press-fit bonds in PCB through holes, improving connection consistency without extra soldering.

An installation ring and dual-zone press-in pin enable reliable IMS PCB through-connection with precise positioning and simpler SMD-compatible assembly.

Through-holes and segmented ground electrodes confine solder spread at the ground terminal while preserving RF isolation and module height.

Patterned adhesive treatment and illumination enable parallel micro-device transfer with precise placement, supporting dense and flexible microLED displays.

Through-cooling vias connect gate drivers and capacitors to power devices, cutting inductance, size, and heat in compact inverters.

A layered tin-copper solder preform with hot-bar selective soldering creates PCB joints that resist remelting while reducing thermal stress.

PCB-integrated SIW filters and tunable ferrite slabs cut base station front-end size and weight while preserving multi-band LTE isolation.

UV-curable adhesive fixes conductive items on PCB contact areas with precise placement, strong mechanical hold, and lower thermal stress.

A controlled 0.005-0.3% oxygen atmosphere prevents metal oxidation during pressure sintering, enabling durable electronic joins with lower cost.

A cured resin layer closes PCB through-holes and fixes embedded components, avoiding temporary supports, adhesive residue, and microcracks.

Point-contact spring arms preserve solder paste and maintain a soldering gap for compact, reliable PCB conductor connection in SMD assembly.

Exposed thermal pad sidewalls make PCB solder fillets visible for optical inspection and enable wave soldering without x-ray.

An electroplated plastic mounting block improves backplane connector shielding at terminal-to-board interfaces, reducing crosstalk.

Separate electrical paths and 360-degree shielding help board-to-board coaxial links cut signal leakage and preserve integrity up to 50 GHz.

A laminated electrode-adhesive structure forms a thin battery chamber that fits miniaturized electronics while simplifying assembly.

Co-depositing insulative and conductive materials with sintering removes drilling and plating bottlenecks, enabling denser, faster-built substrates.

A partially exposed connection element enables vertical board bonding to save area, improve heat dissipation, and boost transmission performance.

Conductive thermal transfer adhesive joins textile conductors under heat and pressure, creating washable, durable connections without fabric damage.

A PCB dam confines edge bond material away from solder balls, preserving impedance balance and signal integrity in high-frequency chip packaging.

Grooved flexible membranes transfer conductive particle patterns onto one or both insulating substrate sides with finer line placement and less batch processing.

A dense substrate via array supports multiple external component layouts, cutting custom development time and cost while preserving signal integrity.

Selective light neutralizes adhesive regions to release chosen micro-devices in parallel, speeding precise microLED transfer to rigid or flexible displays.

Direct chip bonding replaces wire bonds in multi-carrier power circuits to cut parasitic inductance, raise current density, and improve heat flow.

L-shaped non-signal pads and pins enlarge corner bonding areas to resist thermal expansion stress without protective resin.

A thickness-direction terminal and inclined connector reduce flexible substrate curvature, save space, and help keep water out.

A heated nip transfer web applies conductive patterns to curved or 3D substrates with accurate alignment, adhesion, and lower material waste.

Recessed conductive layers on display panel side surfaces connect gate and data drivers, shrinking bezel area without losing panel connectivity.

Metal-shielded spaces around differential terminals simplify backplane connector structure while improving signal transmission and shielding.

A narrowed terminal section holds melted solder during reflow, preventing shorts while preserving joint strength and spacing to absorb expansion.

Embedded components connect through the laminate itself, eliminating via formation to cut PCB manufacturing steps, cost, and thickness.

Tie-bar-bridged SMD interconnects improve placement stability while enabling flexible geometries, smaller substrate area, and simpler assembly.

Non-uniform, bent test lines in the pad region disrupt liquid paths and help prevent shorts, corrosion, and image defects.

PCM pockets built into the circuit board absorb and store heat, improving thermal control in thin electronics without bulky heat sinks.

Spacers and pressing members keep the PCB flat during soldering, preventing conductive post separation and improving connection reliability.

Exposed electrode routing through stacked substrates enables zero-bezel micro LED displays while protecting glass edges and connection reliability.

Adhesive-point barriers keep SMD components from drifting on molten solder paste while still allowing vertical sinking for uniform, void-free joints.

A fixed distance sensor and bypass trigger improve tin cylinder travel detection, helping control tin-to-PCB spacing and weld quality.

Detachable gas sub-pipelines with quick-release clamps and retractable tubes simplify cleaning, alignment, and protective gas recovery in reflow ovens.

A brittle-breaking solder joint flags temporary mechanical overload through brief voltage or current interruptions, enabling later damage analysis.

Semiconductor cooling and activated carbon filtration remove VOCs before oxygen sensing, enabling faster furnace control and better soldering quality.

A Bi-Sn solder with controlled Sb and In balances low liquidus temperature with ductility to improve heat-cycle and drop-impact resistance.

Windowed FFC soldering with paste inspection, tape positioning, and laser heating improves FCC joint quality while cutting cost and pollution.

Multiple soldering feet join radial PCB leads at once, cutting manual soldering time while maintaining joint quality and temperature control.