Electronic Circuit Testing TRIZ Cases

Dummy metal patterns break under crack propagation, enabling electrical detection of singulation defects before IC damage affects yield.

Correction capacitance and channel gap analysis helps detect open or shorted boundary channels for more reliable touch input inspection.

A remotely controlled counterweight tilts the tuner assembly to automate wafer probe contact, avoiding recalibration, contact loss, and chip damage.

Adjustable probe assemblies and a shared backlight let one fixture inspect different LCD panel sizes with precise contact and uniform illumination.

Embedded metal vias in an elastomeric test interface create spring-like contact compliance, reducing probe fragility, cost, and fine-pitch assembly difficulty.

A multiplexed ADC test circuit detects small interconnect resistance changes in situ, improving degraded structure localization and yield analysis.

Quick-connect attachment and weight transfer let one manipulator move test heads across multiple cells while freeing semiconductor test floor space.

Independent frequency checks between drilling sensors reveal mismatches in real time, helping identify malfunctioning sensors and protect data quality.

Longer conductive second pads let probe needles be checked on-wafer under warpage and temperature changes, cutting defects and improving throughput.

Transmission gates and protection devices isolate analog circuits on a shared test bus, reducing latch-up, leakage, and test time.

Built-in register-controlled test logic exposes auxiliary internal states in sequential circuits, improving fault detection without extra logic or power.

Electrostatic skin-contact sensing generates a CRI so wearable optical sensors measure only with reliable contact, improving accuracy and saving power.

Balanced bridge resistive groups let a PTC heater detect element faults internally, cutting power without external monitoring hardware.

Independent elastic probes in an insulated base frame maintain conductivity under compression while preventing probe-to-probe short-circuiting.

Voltage reference inputs and asynchronous buffers distinguish open, short, and normal die-to-die interconnect states without physical failure analysis.

Reinforcing thin cover guide parts with a segmented support member stabilizes test socket motion and prevents damage during chip inspection.

Jumper-switched current paths let one test board adapt terminal assignments for eMMC and UFS, improving compatibility and test efficiency.

A segmented loopback path in a probe card matches impedance above 10 GHz, improving signal integrity without sacrificing contact layout flexibility.

Integrated analog sensors at compute units let active thermal control track die gradients and respond faster to IC power transients.

Simulation-driven temperature and power adjustment helps identify unqualified DUTs more accurately without sacrificing burn-in throughput.

A high-temperature bonding material joins the annular flange to the ceramic probe substrate, preventing peeling and cracking without fixing tools.

Processor-controlled pin sequencing and switch-matrix testing simulate critical chip conditions to improve test accuracy and efficiency.

Staggered wafer probe chambers and environmental buffers cut transfer time and footprint while preserving temperature and humidity stability.

Integrated probes, optical fibers, and a guide plate enable aligned photoelectric testing of optoelectronic ICs with higher accuracy and lower cost.

Shielded wireless coupling tests PCB traces and internal connections while limiting interference between the test pin and sensor.

Elastic conductive pillars create pressure-activated contacts that cut solder ball damage, lower resistance, and improve high-frequency package testing.

Position-based transport automates ESD charging and discharge for semiconductor subjects, reducing manual handling risks and testing time.

Different probe tip lengths confirm actual overdrive, helping maintain consistent contact pressure and more reliable electrical inspection.

Dual-point detection modules and current-limited filtering distinguish open-circuit and short-to-ground faults in electric-vehicle relay drive circuits.

Time-division-multiplexed packets are compared with expected data to identify failures by core while limiting storage after fail thresholds.

Aging can shrink IC timing margins; clocked pulse generators, signal combining, and adjustable delay expose failure risk for proactive analysis.

Separate input and output paths let DUT boards test multiple semiconductor devices while reducing interference and preserving signal characteristics.

Switching among series resistor groups in ascending resistance order speeds inspection across devices with varying current states.

Switching among boards and measuring distinct RC determination times avoids ADC hardware while supporting accurate, scalable identification.