Printed Circuit Testing TRIZ Cases

Through-port EVB and baseplate access let engineers tune pre-encapsulated STP modules while a pedestal heatsink preserves realistic thermal conditions.

A fixed gantry with a movable, rotatable PCB platform stabilizes probing, expands trace coverage, and reduces tester footprint.

Modular fixtures, compressible contacts, and an environmental chamber test varied chip interconnects accurately while saving cleanroom space.

A removable DUT PCB and rack-and-pinion locking enable fast test socket reconfiguration for varied chip interconnects with less space and cost.

A PCB-mounted load module replaces the target IC to simulate fast transient current and thermal loads without bulky inductive cables.

Dual-current light source testing measures photo sensor collector currents to flag defective diagnostic PCBAs before assembly.

Motorized connector positioning automates VNA calibration, cutting manual handling errors, wear, and calibration time while improving connection reliability.

A recessed plate and edge limiting pieces keep printed circuit boards flat and secure during testing, reducing bending and loosening.

A two-layer tester board integrates burn-in, weak-cell, and speed testing while reducing DRAM handling damage and protecting CPUs from heat.

Two-level RF scanning with machine learning cuts multilayer PCB test time while improving anomaly detection and root cause analysis.

Rolling members replace sliding contact to cut rail friction and enable smooth dual-side PCB probing without flipping the workpiece.

Built-in shunts in a test carrier automatically set electronic assemblies to test mode and reset them on removal, reducing setup errors.

Automated checks compare PCB board and cable boundaries to flag connector orientation and position abnormalities, reducing manual omissions.

Movable conveyor rails reposition devices under test between stations, improving testing efficiency while reducing manual handling costs.

A perpendicular board structure delivers test signals to spaced contact groups, enabling hostless parallel testing of multiple memory cards.

An electronic assembly carrier uses an integrated shunt to automate test-mode selection and restore normal operation after removal.

This case uses temporary test-board mounting to power production devices and pinpoint BGA connector failures during environmental testing.

An autoencoder builds normal component time series, enabling error-based fault detection and proactive PCBA maintenance.

A fault logic circuit compares sensor data against thresholds to generate precise timing signals for immediate event capture.

A fault rules engine generates cell-aware test patterns using nominal and delta delay data to target specific defects inside standard cells.

A testing fixture uses rotationally symmetrical electrical contacts to mount printed circuit boards in multiple orientations.

A test module uses separate temperature controllers for connection lines and docking connectors to stabilize thermal conditions.

A stiffener supports a probe card to isolate it from temperature-induced deformation of the first printed circuit board, maintaining connection accuracy.

Integrated automated test equipment merges parametric, diagnostic, and analog signature analysis modules to eliminate separate systems and reduce testing time.

Master chip distributes scan patterns via high-speed IO to resolve insufficient LBIST coverage in functional safety systems.

An electrical characteristic supervisor monitors an isolated guard track to detect abnormal conductivity changes caused by electro-migration.

Automated PCB printing system optimizes conductive ink deposition by correlating material age with environmental data to reduce manufacturing defects.

Segmented testing applies partial action to filter passing units quickly, reducing labor costs and time while maintaining reliability for critical cases.

Removable DUT PCB enables quick configuration changes for various chip types, reducing cleanroom space and capital costs.

Interconnect paths create a matrix of linear equations to localize faults in electrical assemblies without increasing hardware complexity.

An anti-bending frame mounted on a probe card circuit board integrates sensors and processing circuits to strengthen mechanical integrity.

A shuttle plate with intermediate members supports a circuit board during multi-stage testing to maintain probe alignment.

A dual-stage fixture uses a slide plate to position an upper stripper plate, enabling selective contact between long-stroke probes and the circuit board.

A mechanical fixturing assembly uses computer-controlled clamping to compress flexible printed circuit contacts against test board interfaces.

Perforated guard plates reduce parasitic capacitance to improve signal coupling while spacers prevent pin damage during socket testing.

A probe uses a sloped recess to bind multiple conductors for simultaneous contact with measurement subjects.

A PCB testing system uses a segmented transmission guideway to automatically convey and position circuit boards for inspection.

An embedded IC chip with a counting algorithm tracks usage limits in test sockets, resolving reliability issues caused by unmonitored lifespan.

A reflectometry unit computes frequency and time-based reflection coefficients to detect defects in signal transmission lines on printed circuit boards.

Non-conductive modular panels with snap-fit joints eliminate electrical shock risks while enabling rapid, tool-free assembly of custom enclosures.

A semi-circular probe card with mechanical features enables incremental positioning and connection without human intervention.

A probe fixture uses a guide plate with column and row markings to align the probe assembly for precise circuit board testing.