Electronic Circuit Testing TRIZ Cases

Embedded nanowires in anodic aluminum oxide cut copper use while maintaining low-loss signal transmission from 50 to 180 GHz.

A resistor-based test key creates a measurable voltage drop, enabling accurate TSV resistance sensing for 3D semiconductor process control.

A scan-chain TSV test architecture reduces contact count and tester cost while preserving coverage across single-die and stacked-die paths.

Femtosecond laser cutting removes sealed IC package lids in minutes with clean cut lines while reducing damage to dies, ball bonds, and bond wires.

Multiple guide holes compensate for probe head and substrate errors, preserving probe-to-pad contact for accurate electrical measurement.

By moving the wafer upward to a grounded probe card, this layout reduces debris buildup, probe striking risk, and setup error.

Segmented transmission lines with shunt grounding improve inactive-path isolation while keeping loopback loss low in dense RF switching layouts.

Common-mode signal control detects shorts and line interruptions in differential networks without sacrificing interference tolerance.

Resistance-based detection lines verify panel, COF, and flexible board bonding with only two test-pin pairs, saving bonding area.

An embedded conductive wall in the seal ring detects die-edge cracking or delamination after dicing by tracking resistance changes.

Multiple trench and refill steps open a backside signal path in IC chips while protecting metallization from damage and shorting.

Liquid metal in recessed electrode regions expands connector contact area, reducing resistance and stabilizing electrical connections.

Early wafer-level testing through scribe-line patterns screens defective dies before interconnection and singulation, cutting time and cost.

Overlapped conductive components and switch devices fit full pixel-array test circuits into limited display panel bezel area.

Resistance-ratio voltage checks determine whether bonded wafer pads are aligned, reducing misalignment risk in 3D semiconductor stacking.

Insulating thermo-conductive blocks isolate the clamp from the heater to prevent leakage while keeping wafer heating uniform.

An electro-optical crystal probe measures substrate surface charge directly during wet processing, improving static control and defect prevention.

EM absorber gaps between parallel UWB test chambers cut interference between adjacent devices and improve test accuracy.

A rotating contact on an elastomer retainer scrubs IC pads to lower resistance while minimizing load board wear over repeated test cycles.

Optical-electrical conversion shortens wafer test signal paths, improving RF and high-speed digital signal integrity in compact tester layouts.

Relocating test pins to the driving chip area enables touch testing without overcrowding wiring space, improving yield and lowering cost.

Parallel function and low-power tests in an MCP detect second-chip crack defects earlier by analyzing current during first-chip testing.

Mimic dies enable board level reliability testing before the real die is ready, cutting package redesign cycles and launch delays.

A scribe-line test structure isolates transistor sidewall spacers to measure leakage, breakdown voltage, and breakdown time.

Embedded machine-readable metal-layer codes automate wafer alignment and test data retrieval, cutting manual label reading and setup time.

An internal heating member triggers battery thermal runaway faster with less heat loss, improving simulation realism while limiting cell damage.

Electrical inspection of scribe-line test arrays compares adjusted layout patterns on-wafer to speed optimization and protect chip area.

Identification circuits in each stacked IC substrate use a shared conductive structure to uniquely address layers for correct access and failure analysis.

An interface board with vias and test pads exposes die signals for probing while reducing chuck-contact damage during high-frequency testing.

Separate input and output carriers streamline test socket transfer, cutting suspend time, position errors, and reciprocating motion.

A detachable wiring sheet between a wiring board and PCB shortens signal paths and cuts noise for more accurate electrical measurements.

A sense wire routed through a BGA solder-ball channel enables accurate in-situ IC supply current measurement without disassembly or extra hardware.

Curved recessed reflective surfaces let terahertz elements sit closer together, improving output and resolution while limiting wave interference.

Security circuitry spans directly bonded semiconductor elements, blocking probing, delayering, EM access, and false fault-injection paths.

Series-connected test points across interposer wiring layers reveal open circuits from cracks or fragmentation before chip packaging quality is affected.

Dithered probe motion and lock-in detection reveal nanoscale probe landing on IC surfaces without complex closed-loop positioning.

An interposer creates separate temporary connections between a SPECT detector and ASIC, enabling post-attachment testing and defect sorting.

Whole-wafer second harmonic scanning combines fixed-point accuracy with scan efficiency to localize defects and enable quantitative analysis.

Scan cells digitize TSV response voltages and drive stimulus signals, enabling serial continuity, short, and resistance testing with fewer external resistors.

Input-voltage monitoring detects open or short faults before load power-up, reducing heat loss and improving low-voltage circuit safety.

Control-signal interrupt and voltage analysis identifies EV charging LED faults such as short-to-ground or cable-open without extra hardware.

Distributed scan cells verify TSV connectivity and resistance through minimal contacts, reducing tester cost and setup complexity.

Gate cutoff first isolates the load during voltage abnormalities, then compares sensor values to identify faulty voltage sensing without component damage.

A cascaded PI loop and SSR-based redundancy stabilize pilot and main hydraulic valve control for accurate turbine valve positioning.

A low-TCR copper-manganese-nickel sense alloy in an IC package keeps current readings stable across temperature and aging.

By placing probing pads across die and scribe line regions, this case cuts chip edge area and cost while preserving test access.

A single SiC sense terminal alternates between current mirroring and temperature sensing to cut terminal count and improve fault detection.

A penetrable fastening thin film holds inspection pins in via holes, stabilizing test contact and reducing shorts and electrical shock.

A pneumatic bladder or voice coil motor maintains stable testing reliability by preventing damage to miniature component terminations.

Position setting pins and elastic members guide the picker to load electronic devices at correct positions, preventing misalignment during transfer.

Non-magnetic transmission lines cancel electric fields to lower inductance, enabling accurate high-current switching performance characterization.

An intermediary FIFO memory module buffers data between low-cost testers and high-speed devices, resolving synchronization conflicts.

Segmented switches enable parallel signal routing across distant testers, reducing sequential testing time while accommodating diverse device capacities.

Mobile alignment carriage services multiple test sites, reducing hardware costs while maintaining throughput for high die count wafers.

A testing circuit uses fewer output channels than signal lines to minimize layout area.

Layer-specific scan segments in a monolithic stacked integrated circuit isolate defects early, preventing yield loss from incomplete logic testing.