Semiconductor Test Device Pulse Width Analysis
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Solution Overview
Problem
The increasing complexity and integration of semiconductor devices lead to longer test times and higher costs in quality assurance processes, as conventional test methods struggle to precisely detect defects and efficiently analyze signal distortions in semiconductor test devices.
Innovation Solution
A semiconductor test device comprising a pulse signal generator, sampler, width analyzer, and calculator that generates and transmits pulse signals through channels, samples the signals, measures signal widths, and calculates weighted averages to detect defects and output test results, reducing the need for separate measurement devices and enhancing precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional test methods are used for highly integrated semiconductor devices, then test coverage can be achieved, but test time and costs increase significantly
Solution Approach 1:
The patent combines multiple separate measurement functions (pulse width measurement, signal level detection, distortion analysis) into a single integrated test device. The device integrates a pulse signal generator, sampler, width analyzer, and calculator into one unified system that can perform comprehensive semiconductor testing without requiring multiple separate instruments, thereby reducing test time while maintaining complete test coverage.
Solution Approach 2:
The test device is designed with multi-functional capabilities to handle various testing requirements simultaneously. It can generate test signals, sample received signals, measure pulse widths, detect signal levels, analyze distortions, and calculate weighted averages all within a single device, eliminating the need for multiple specialized test equipment and reducing overall test time.
2Reliability
If conventional test methods are used for highly integrated semiconductor devices, then test coverage can be achieved, but testing costs increase
Solution Approach 1:
The patent consolidates multiple expensive separate measurement instruments into a single integrated test device. By combining pulse width measurement, signal level detection, and distortion analysis capabilities into one system, the patent reduces equipment costs while maintaining comprehensive test coverage for semiconductor devices.
3Adaptability or versatility
If separate measurement devices are used for signal analysis, then measurement functions are comprehensive, but device complexity increases
Solution Approach 1:
The patent merges multiple measurement functions that would traditionally require separate devices into a single integrated system. The device includes a pulse signal generator, sampler, width analyzer, and calculator all working together in one unit, providing comprehensive measurement capabilities while simplifying the overall test setup and reducing system complexity.
4Productivity
If traditional test methods are used, then testing can be performed, but defect detection precision is insufficient
Solution Approach 1:
The patent replaces traditional mechanical or manual measurement methods with electronic signal processing techniques. By using digital sampling, electronic pulse width measurement, and computational weighted average calculations, the system achieves higher defect detection precision while maintaining efficient testing throughput.
Solution Approach 2:
The patent employs precise electronic parameter measurements including pulse width at specific voltage thresholds, signal level detection, and temporal analysis of sampled signals. These parameter-based measurements provide superior defect detection precision compared to traditional methods while maintaining high testing efficiency through automated calculations.
Data Source
AI summary
A test device for testing a semiconductor, the test device comprising: a pulse signal generator that is configured to generate a first pulse signal and transmit the first pulse signal through channels; a sampler that is configured to receive the first pulse signal through the channels and conduct a sampling process on the first pulse signal, based on a second pulse signal; a width analyzer that is configured to measure a first width of the first pulse signal and generate a first measurement value, based on a result of the sampling process; and a calculator that is configured to output a test result corresponding to each of the channels of the test device, based on the first measurement value.