Application of Three-Repetition Tests Scheme to Improve Integrated Circuits Test Quality to Near-Zero Defect

Area of Science:

• Electrical Engineering
• Semiconductor Manufacturing
• Quality Control

Background:

• Manufacturing technology advances outpace testing technology, creating challenges for high-quality, near-zero defect products.
• Ensuring product quality in sectors like automotive, biomedical, and avionics is critical.
• Current testing methods face limitations in addressing the increasing complexity of integrated circuits.

Purpose of the Study:

• To propose and evaluate an effective repeated testing method for improving integrated circuit (IC) test yield and quality.
• To address the challenges posed by the gap between manufacturing and testing technology.
• To enhance the reliability and profitability of semiconductor product shipments.

Main Methods:

• Utilizing the Digital Integrated Circuit Test Model (DITM) to evaluate IC test yield and quality.
• Implementing a three-repetition tests scheme (TRTS) incorporating a move test guardband (TGB).
• Analyzing data from the International Roadmap for Devices and Systems (2021) to estimate future semiconductor chip test yield trends.

Main Results:

• The TRTS method significantly improves test yield and test quality.
• Repeated testing leads to increased shipment of semiconductor products.
• The proposed method demonstrates potential for achieving near-zero defect chips with enhanced corporate profits.

Conclusions:

• The TRTS method offers a viable solution to improve semiconductor testing efficiency and product quality.
• Implementing repeated testing strategies can bridge the gap between manufacturing and testing capabilities.
• This approach supports the production of high-reliability electronic components while maximizing profitability.