Electronic Circuit Testing TRIZ Cases

Dynamic delay multiplication via switch-controlled capacitors resolves low resolution and complex calibration in integrated circuit testing.

Segmented bi-directional DC-DC converter reduces heat losses and component costs by enabling local current recirculation without full-power MAINS converters.

A rotatable testing platform enables simultaneous double-sided probing of printed circuit boards.

Automated pin signature measurement identifies counterfeit integrated circuit chips using parametric electrical testing.

A programmable integrated circuit applies configuration data selectively to analog and digital circuits using a code key match.

Segmenting scan paths with variable shift frequencies reduces test time while preventing false defect detection and power consumption spikes.

Enlarged probe head features indentations to house material scraps from substrate separation.

Segmented mounting holes filled with high-pressure gas prevent sparks during high-voltage testing.

Dynamic guardband adjustment via in situ characterization resolves the trade-off between reliability and performance by adapting to real-time chip conditions.

A flat coil generates a temporally variable electromagnetic alternating field to excite individual optoelectronic components on a connection board.

A web browser based JTAG debugging system automatically downloads drivers and software to identify components.

Power management unit logic maintains level shifters enabled during trimming to reduce test time and prevent controller resets in voltage monitor circuits.

Weighted digital-to-analog converter outputs ensure minimum performance characteristics at room temperature for integrated circuits.

A capacitive structure with surrounding electrodes detects crack propagation through electrical property changes.

A bandwidth-efficient serial protocol uses structured data packets and a safety watchdog to ensure reliable communication between independent software modules.

A thermal clutch selectively couples a variable heat sink to a device under test, enabling rapid temperature transitions without thermoelectric modules.

A display panel uses a switchable ground line to measure electrical resistance between testing portions for structural integrity verification.

A segmented photodetector array measures photoelectric signals from multiple LEDs simultaneously to determine pass or fail status.

Segmented scan chains with intermediary output registers reduce X-masking in augmented multimode compactors to preserve unique error signatures.

A directed graph structure enables automated sensitization of sequential circuits using only primary inputs.

A semiconductor test system uses a common bus to synchronize internal built-in self-test circuits with external apparatuses.

A probe card uses alignment marks on a reference plane to define geometric orientation for precise leveling adjustments.

A prober cooling unit thermally couples to a device under test main surface to remove heat during semiconductor testing.

Pre-characterized I-L data and a real-time feedback loop determine modulation currents to maintain extinction ratio despite ambient temperature discrepancies.

Ground bumps arranged around signal bumps provide electromagnetic shielding that reduces interference during high-density wafer probing.

Horizontal stacking and hot swapping connectors transmit test signals through a thermal chamber wall interface, maintaining signal integrity at high speeds.

LiFi communication eliminates cable-related EMI and calibration needs by transmitting measurement data wirelessly inside the EMC test chamber.

A method embeds conductive paths within insulating layers to electrically interconnect measurement terminals with magnetic tunnel junction stacks.

A shared capture clock signal tests data paths across multiple clock domains by selectively enabling the clock for each domain during propagation.

Shared test pads and dynamic switching enable existing test devices to verify packages with high pin counts without costly hardware replacements.

A scan warmup unit adjusts clock frequency to control current draw during integrated circuit testing.

Top-side test connector on substrate eliminates external adapters, preventing signal modification and package damage during reliability verification.

A battery impedance measurement method applies a non-binary current sequence derived from pseudo-random binary sequences to determine element properties.

Logical circuitry routes embedded I/O signals to surface debug ports, resolving interposer access bottlenecks in 2.5D and 3D IC packages.

A microcomputer outputs a stop command to a relay switch before shutting down the wake-up circuit.

Consolidating cyclic redundancy checks in shared memory reduces verification time by minimizing intermediate error detection overhead.

Independent secondary sectors convey components to testing devices, eliminating idle time and reducing overall cycle time.

Synchronized flip-flop logic resolves indeterministic strand unparking in multi-domain processors, ensuring deterministic boot-up behavior.

An abort handler completes partial test record generation using available data, preventing loss of valuable formatting work during unexpected interruptions.

Tuboid insulation layers on metal base inner walls enable fine through holes at tight pitches while dissipating Joule heat to prevent fractures.

A probe card resistor enables testers to measure electrical resistance changes for accurate temperature stability determination.

A probe card integrates an inspection circuit to replicate device configurations and measure line potentials for contact verification.

A controller calculates contact coordinates using probe card and wafer gravity center positions to align an alignment stage with a pogo frame.

An integrated heater in the shell cover reduces energy consumption and loading time during wafer level burn-in tests.

A ternary search process uses dual comparators to adjust reference signals and output device values.

A semiconductor wafer inspection prober uses preheating means to warm the wafer before placement on a heated mounting surface.

A connectivity identification module detects broken connections by measuring voltage changes across external signal paths.

A conversion block expands wire intervals between fine probes and device body, resolving the trade-off between measurement precision and connection reliability.

Profile sensor measures receiver center position to align inhomogeneous receivers with anisotropic emitters, reducing alignment time and improving precision.