Dong Zhang

Title: Innovations of Dong Zhang in Reflow Soldering Technology

Introduction

Dong Zhang is an accomplished inventor based in Suzhou, China, known for his contributions to the field of reflow soldering technology. He holds three patents that showcase his innovative approach to improving gas control and cooling systems in reflow furnaces. His work has significantly impacted the efficiency and effectiveness of soldering processes in various industries.

Latest Patents

One of Dong Zhang's notable patents is a gas control system and method for a reflow soldering furnace. This invention includes an oxygen detecting device that monitors the oxygen concentration in the furnace chamber. It also features an intake valve device that establishes fluid communication between a working gas source and the furnace chamber. The controller regulates the opening extent of the intake valve based on the oxygen concentration signal, allowing for precise control of the working gas flow. This innovation enables real-time detection and regulation of oxygen levels, reducing waste and costs during operation.

Another significant patent is a cooling system for a reflow furnace. This system is designed to regulate the temperature of the heating zone within the furnace. It comprises gas inlets and discharge ports, a blowing apparatus, and gas intake and discharge pipelines. The cooling system effectively shortens the time required for the furnace to transition from high to low temperatures, enhancing operational efficiency.

Career Highlights

Dong Zhang has worked with prominent companies such as Illinois Tool Works Inc. and Optotrace Technologies, where he has applied his expertise in developing advanced soldering technologies. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects that push the boundaries of reflow soldering.

Collaborations

Dong Zhang has collaborated with notable colleagues, including Shenghu Yan and Peng Shu. Their combined efforts have fostered a creative environment that encourages the development of cutting-edge technologies in the field.

Conclusion

Dong Zhang's innovative patents and career achievements highlight his significant contributions to the reflow soldering industry. His work continues to influence advancements in gas control and cooling systems, making him a key figure in the field of soldering technology.