Printed Circuit Assembling TRIZ Cases

A symmetric double-sided PCB winding with core hole grooves enables automated series coil winding, cutting planar transformer complexity and cost.

Glass through holes and conductive layers form a low-loss waveguide structure that cuts attenuation, leakage, and material cost at high frequencies.

Conductive pillars and a solder ball join wafer and die contacts on orthogonal surfaces, improving coupling and manufacturing efficiency.

An embedded inductor PCB cuts layer count and repeated welding by enabling single-reflow assembly of voltage regulator modules.

LIFT-printed support and conductive layers create durable chip-to-PCB connections that avoid manual bonding limits in 3D electronics.

Embedded interposers with vertical copper pillars and lateral conductors enable dense connections while improving heat flow and carrier robustness.

Converging pad extension lines and displacement correction improve bonding alignment, reduce strain, and strengthen electrical connections.

A generic interposer pinout lets dual USB-C PD controllers from different vendors fit one PCB layout, avoiding motherboard redesign during IC shortages.

A passive battery and insulating tab disable a removed storage medium with destructive overvoltage, blocking unauthorized data access.

A sheath-protected flexible PCB inserts a waterproof pressure sensor into sealed pouch cells without damaging conductors during heat-welding.

A projecting conductive heat path helps inner-layer PCB copper dissipate heat while lowering current loss and voltage drop.

Metal flakes with an aromatic amine resin improve conductivity, substrate adhesion, and heat radiation in conductive adhesives.

A recessed substrate area confines molten solder away from bonding adhesive, preventing shorts, adhesive melting, and insulation loss.

Embedding capacitors in-line with IC solder bump interfaces cuts parasitic inductance, shortens traces, and improves signal quality.

Vision cameras and calibration equations quantify die-beam offset in laser-assisted bonding, reducing misalignment defects and stray heating.

A pull-rod connector spreads fixing force along PCB through-hole walls to reduce local stress, deformation, and nearby component damage.

An infrared reflection layer in the semiconductor package limits reflow heating at the chip, protecting data retention while keeping fast mounting.

Integrated rigid-flex PCB transmission lines replace coaxial cables to cut assembly defects, save space, and maintain low-loss high-frequency routing.

A thermistor on a separate secondary board avoids PCB heat interference, improving rear housing and battery temperature detection.

Specific Ag-Cu-Ni-Ge ranges improve wettability and shear strength while suppressing intermetallic growth and void-related defects after repeated reflow.

A bent lead plate narrows the slit-hole gap to stop molten solder flow-down while keeping circuit board connections stable and reliable.

Interchangeable outer shells tune connector impedance to match PCIE, USB, Ethernet, and SAS/SATA links for better signal integrity.

Liquid metal well arrays replace high-force socket interconnects, preserving solder-like conductivity while reducing server package area and yield loss.

An organizer holds cable connectors for accurate PCB placement, enabling separate subassembly build and reliable high-frequency interconnect assembly.

Stacked magnetic sheet parts form multiple inductors in one process, protecting coils from deformation while enabling flexible inductance tuning.

Stiffening members support a double-sided substrate to control warpage from dense die and power module mounting while preserving electrical performance.

A prefabricated metal block group spreads heat from power semiconductors through standard PCBs while preserving electrical insulation compliance.

Barbed external leads interlock with the PCB to prevent package shifting and warpage, helping maintain alignment and lower thermal resistance.

A single shared magnetic core replaces multiple transformers, cutting module volume and fabrication cost while raising power density.

A separated thermistor PCB near the rear housing blocks heat interference and impact, enabling more accurate housing and battery temperature sensing.

A PCB or insulated metal substrate links capacitors and power semiconductors to cut commutation inductance while improving inverter heat dissipation.

Ablating conductive adhesive and electrode layers creates precise, continuous liquid crystal cell connections and simplifies stacked optical device assembly.

A resilient elastomer seal around connector contacts blocks coating vapor ingress, protecting plated through-hole connections from deposition.

Passive components placed between offset substrates free land-side contact area, lower package height, and improve voltage regulation.

Embedded circuit patterns and differentiated connection portions support fine pitch routing while reducing warpage and improving bonding reliability.

Temporary carrier layers let prepreg resin flow around embedded PCB components, cutting thickness and thermal-stress cracking.

A mask, ruler, and manual adjustment mechanism align fine-pitch CFPx pins to PCB pads for reliable high-speed signal transmission.

Liquid metal well arrays cut socket loading while preserving solder-like conductivity for dense modular interposer connections.

A recessed antenna electrode overlaps a wiring electrode to increase adhesion area and prevent substrate separation under pull-out force.

A bent rigid-flex sub-assembly creates 3D interconnects above the die, improving package reliability while balancing support and flexibility.

Vertical stacking with opposing thermal surfaces and TMVs shrinks PCB area while improving heat flow and power delivery efficiency.

A stepped metal support with a continuously flat bottom anchors embedded components, reducing resin shrinkage stress, delamination, and warpage.

Solder resist patterns on a PCB substrate constrain mold volume and reduce warpage in miniaturized semiconductor packages.

A tilted, gradual placement process expels air from sintering paste before bonding, reducing voids and improving electrical performance.

Periodic apex and contact portions support protruding conductive paths, suppressing buckling while maintaining bonding strength and conductivity.

High-conductivity solder paste replaces thermal grease to bond a silicon carbide module to a heat sink and cut thermal resistance.

Conductive and reinforcing resin joints replace solder to keep electronic modules aligned, impact-resistant, and suitable for heat-sensitive components.

A deformable coupling lets adjacent wiring portions change angle, improving positioning, mounting density, and interconnect reliability.

Larger corner pads and smaller inner pads limit warpage-driven solder bridging and improve semiconductor-to-board connection reliability.

Varying pad opening types by local stress improves solder ball bonding, pad adhesion, and semiconductor package mountability.

Embedded fine-pitch interconnection layers replace costly interposers to package high-I/O semiconductor dies with better yield and lower cost.

Segmented copper plies improve THT solder flow and electrical connection by limiting heat-sink effects near connecting elements.

Recessed leadframe terminals and partial cutting raise QFN wettable flank height while adding a backup electrical path for bond reliability.

A conductive barrier separates underfill and non-underfill regions in PCB assemblies, blocking adhesive spread without disrupting RF paths.

Partially uncovered through-hole walls and overlapping vias limit stub effects while equalizing pressure to reduce layer stress in multilayer substrates.

Vertical stacking and a height-compensation layer shrink RF front-end packaging while preserving bandwidth adjustment and signal processing.

Conductive wires span substrate through holes without wall plating, cutting process cost and pollution while maintaining pad-to-pad connection.

A recessed thermode tip applies heat and pressure for FlexIC bonding while preventing conductive particles from puncturing circuits.

A carbon-black prepreg layer absorbs laser energy, enabling direct cell-tab bonding to the PCM PCB without inner-layer damage or added thickness.

A spring-biased float connector uses guide members and alignment pins to handle PCB misalignment in low-profile board-to-board connections.

Varying vapor passage hole diameters across the substrate balances central and edge heating, improving fine-pitch solder joint quality.

A metallic connection links the component carrier to fluid cooling, cutting thermal resistance in densely packed electronics without electrical interference.

A low-conductivity intermediate substrate cuts heat transfer from external wirebonded devices, speeding chip cool-down and reducing cooling size.

Configurable sonotrodes, pin supply, and motion control improve conductive pin welding precision, flexibility, and throughput.

Liquid metal in a thin dielectric sheet mates with PCB surface pins to avoid reflow, reduce solder stress, and enable non-destructive package replacement.

Groove portions and dimples confine molten solder around the bonding area, limiting overflow, substrate stress, and thermal shock damage.

A uniform Bi solder layer with an outer Sn coating limits oxidation and reflow defects, preventing bump short-circuits and misalignment.

Chemical pre-treatment removes oxide from solder bumps, enabling reliable fluxless assembly without residue buildup or complex equipment.

Selective heating zones with vacuum-insulated slits enable local reflow on PET substrates while limiting deformation, melting, and heat spread.

An insulating sleeve and conductive sleeve let compact motor-controller substrates stay electrically coupled while limiting heat transfer and damage.

By forming dielectric layers before component mounting, this package substrate approach avoids core cavity processing, cutting time and scrap.

A high-conductivity core between solder layers improves heat flow while reducing CTE-mismatch stress and die movement in electronics assembly.

A stencil-applied solder paste reflow restores solder ball height uniformity after test board removal, easing remounting and fixture clamping.

Optical alignment and laser cleaning confine flux to solder joint tops, preventing diffusion that disrupts fine-pitch solder bump formation.

An abutment body and downstream brush scrape strongly adhesive solder from conveyance claws and guide residue away to prevent clogging.

Corner mini-pads offset package and PCB warpage during surface-mount soldering to prevent solder bridges and improve joint yield.

Non-uniform holding-tool spacing compensates substrate strip warpage, keeping solder balls aligned with ball pads in one attachment pass.

Metal paste wiring on a polymer compact is sintered, then resin-containing solder forms a bonded electronic assembly with stronger adhesion.

Selective convection and condensation zones handle large thermal masses while preserving reflow profile flexibility, throughput, and solder joint quality.

Lateral fan placement and filtered gas recirculation keep condensate off cooling-zone motors and simplify filter maintenance.

A Sn-Ag-Cu-Bi-Sb-Ni-As solder alloy limits crack growth and paste viscosity drift in automotive circuits under severe thermal cycling.

A blower flow path that surrounds a second plate evens suction-port gas volume, improving soldering consistency and heat transfer.

PCB transmission and sensor coils track rotating targets to avoid wear, corrosion, and stray magnetic field errors in throttle control.

Automatic lead-type recognition applies stored soldering settings to cut defects and simplify sequential soldering of mixed components.

Built-in pusher and height sensing measure mask deflection to calculate tension, improving print quality without external gauges.

Applying solder paste mainly on the solder resist layer creates outgassing channels that cut SMT voids and improve joint reliability.

Thermal mapping of the substrate surface guides angle, speed, temperature, and flow adjustments to prevent uneven soldering from dross.

Post-processing enlarges coated bores to remove solderable coating, avoiding masking while keeping sensor base plate openings clean.

A 3D-movable flow tank shifts outside the mounting area for easier inspection and removal while keeping the soldering apparatus compact.

Vacuum preheating evaporates residue-free flux before melting, then formic acid reduction removes oxides for cleaner, scatter-free PCB solder joints.

A Sn-based solder composition balances wetting, intermetallic growth control, and fracture behavior to prevent missing and improve joint durability.

Pressure decay timing in the air chamber estimates remaining solder paste accurately, avoiding photoelectric sensor errors and extra sensor cost.

Ephemeral ID authentication lets one smart-device app access multiple readers securely, reducing app load while enabling seamless credential checks.

Elastic pressing maintains substrate signal contact without soldering, reducing assembly cost and time while preserving RF isolation and return loss.

A trimmed poorly adhesive layer sets precise cavity boundaries in component carriers, reducing undercut and improving mechanical and electrical reliability.

A recessed routing board and staged fastening improve bus bar to component assembly, reducing integration complexity and assembly time.

A stepped back-plate column constrains circuit board movement and cuts screw count, reducing assembly time and manufacturing cost.

CVD forms a thin, partially gap-filling layer across power-module surfaces and shadow areas, preventing pollution-related shorts while retaining heat dissipation.

A narrow-top insulating guide directs conductive particles during bonding, reducing alignment-related junction failures at smaller terminal pitch.