Chia-mu Chang

Title: **Chia-Mu Chang: Innovator in Capacitive Component Testing**

Introduction

Chia-Mu Chang, an accomplished inventor based in Escondido, California, has made significant contributions to the field of electrical engineering through her innovative patents. As an esteemed employee of Electro Scientific Industries, Inc., she has approached the challenges of stress testing capacitive components with a novel perspective, resulting in advancements that streamline the testing processes.

Latest Patents

Chia-Mu Chang holds a patent titled "Apparatus for Stress Testing Capacitive Components." This innovative apparatus allows for the simultaneous testing of multiple electrical circuit components, such as ceramic capacitors, across various test channels. The device employs a variable voltage source capable of producing a wide range of electrical potentials, specifically up to 1000 volts with a precision of 1 volt. By utilizing a current controller, the charge current is regulated to ensure components accumulate charge at a linear rate.

Furthermore, the patent incorporates voltage and current sensors that measure accumulated charges and leakage currents. Notably, the current sensor can be adjusted to detect multiple anticipated leakage current ranges. The apparatus also offers the flexibility to apply selected potentials in a single step or via a ramped approach over time. A processor is integrated within the system, enabling it to execute prescribed testing processes by controlling and processing inputs from the aforementioned components.

Career Highlights

Throughout her career, Chia-Mu Chang has demonstrated remarkable ingenuity and technical prowess in her field. Her focus on enhancing testing methodologies for capacitive components reflects her commitment to innovation and improvement within electrical engineering. The patent she developed showcases her ability to integrate various technologies and concepts into a cohesive and functional design.

Collaborations

In her role at Electro Scientific Industries, Inc., Chia-Mu Chang has worked alongside esteemed colleagues such as Peter A. Cooke and David M. Ivancic. Their collaborations have fostered a creative environment conducive to groundbreaking research and development, contributing to the advancement of the company's technological offerings.

Conclusion

Chia-Mu Chang's inventive contributions, particularly her patent on stress testing capacitive components, position her as a key figure in the realm of electrical engineering. Her dedication to innovation and collaboration exemplifies the spirit of progress that drives advancements in technology. As she continues her work at Electro Scientific Industries, Inc., the impact of her inventions will undoubtedly resonate within the industry for years to come.