Company Filing History:
4 out of 48 
3 out of 106 Years Active: 2013-2015
Title: **The Innovations of Xue-Jun Cai: A Pioneer in Printed Circuit Board Technology**
Introduction
Xue-Jun Cai, located in Shenzhen, China, is a remarkable inventor with a significant impact in the field of printed circuit board (PCB) technology. With a total of three patents to his name, Cai's work demonstrates a commitment to advancing manufacturing methods within the electronics industry.
Latest Patents
Two of Xue-Jun Cai’s latest patents highlight his expertise in PCB manufacturing techniques. The first patent, titled "Method for manufacturing printed circuit board," presents a novel method that incorporates a cavity within the PCB design. This process involves several critical steps: beginning with the provision of a first substrate featuring an electrically conductive layer, followed by layering additional substrates and forming annular bumps. The method ultimately exposes the necessary portions, creating a cavity that can enhance PCB functionality.
His second patent, "Method for manufacturing multilayer printed circuit board having mounting cavity," expands on this innovation by integrating a multilayer approach. This method commences with a PCB substrate and a first circuit layer featuring a mounting portion, followed by etching copper foils to form circuit layers. The defined cavity allows for the mounting of an electronic component, showcasing an embedded design that optimizes space and performance.
Career Highlights
Xue-Jun Cai has made significant contributions to the field throughout his career. He has worked with recognized companies such as Fukui Precision Component (Shenzhen) Co., Ltd. and Zhen Ding Technology Co., Ltd., where he has refined his skills in PCB manufacturing and development.
Collaborations
Cai's journey is also marked by productive collaborations with talented individuals in the industry. Notably, he has worked alongside coworkers Zhi-Yong Li and Chao Liu, pooling their expertise to foster innovation and push the boundaries of PCB technology.
Conclusion
Xue-Jun Cai stands out as a leading figure in PCB innovation, with his patents reflecting a deep understanding of manufacturing processes that enhance electronic capabilities. His career not only showcases significant technical advancements but also highlights the importance of collaboration within the engineering community. As the technology continues to evolve, inventors like Cai will undoubtedly play a key role in shaping the future of electronics.