Yi-Chang Chang

Title: Yi-Chang Chang: Innovator in Optical Sensor Technology

Introduction

Yi-Chang Chang is a prominent inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of optical sensor technology, holding a total of nine patents. His innovative work has paved the way for advancements in sensor packaging structures and optical detection systems.

Latest Patents

One of Yi-Chang Chang's latest patents is the "Far-infrared sensor packaging structure." This invention provides an optical component packaging structure that includes a substrate, a far-infrared sensor chip, a metal covering cap, and a light filter. The far-infrared sensor chip is mounted on the substrate and is electrically connected to it. The metal covering cap is designed to accommodate the sensor chip while having an opening that exposes it. The light filter is positioned on the inner surface of the opening to filter the far-infrared light that passes through. This design ensures that the sensor chip is effectively protected while allowing for optimal functionality.

Another notable patent is the "Miniaturized optical sensor package and manufacturing method thereof." This invention features an optical sensor package that consists of a substrate, a base layer, an optical detection region, a light source, and a light blocking wall. The base layer is placed on the substrate, with the light detection region and light source arranged on top. The light blocking wall is strategically positioned between the light detection region and the light source to prevent direct light propagation, enhancing the sensor's performance.

Career Highlights

Yi-Chang Chang has worked with notable companies in the industry, including Pixart Imaging Incorporated. His experience in these organizations has contributed to his expertise in optical sensor technology and innovation.

Collaborations

Some of his coworkers include Chi-Chih Shen and Yen-Hsin Chen, who have collaborated with him on various projects, further enriching his professional journey.

Conclusion

Yi-Chang Chang's contributions to optical sensor technology through his patents and career achievements highlight his role as an influential inventor in the field. His innovative designs continue to impact the industry positively.