Lung-Ch Chang

Title: Innovations of Lung-Ch Chang in Ultrasonic Ink-Jet Technology.

Introduction

Lung-Ch Chang is a notable inventor based in Jhongli, Taiwan. He has made significant contributions to the field of ink-jet technology, particularly through his innovative designs that enhance efficiency and performance. His work is recognized for its practical applications in various industries.

Latest Patents

Lung-Ch Chang holds a patent for a "High-efficient ultrasonic ink-jet head and fabrication method for the same." This invention features a highly-efficient ultrasonic wave ink-jet head that includes a piezoelectric transducer and a Fresnel lens mounted on a supporting layer. The chamber structure is created using lithography etching and is bonded with an ink-storing groove to form the ink-jet head. The design allows for total reflection of ultrasonic waves generated on the opposite side of the piezoelectric transducer, effectively reusing sound energy. The phase of the reflected ultrasonic wave aligns with that of the direct ultrasonic wave produced by the transducer, resulting in a highly-efficient ink-jet head.

Career Highlights

Lung-Ch Chang is affiliated with National Central University, where he continues to advance his research and development in ultrasonic technologies. His work has garnered attention for its innovative approach and practical implications in the field of ink-jet printing.

Collaborations

He has collaborated with notable colleagues, including Min-Chun Pan and Jung-En Hsiao, contributing to the advancement of technology in their respective fields.

Conclusion

Lung-Ch Chang's contributions to ultrasonic ink-jet technology exemplify the impact of innovative thinking in engineering. His patented designs not only enhance efficiency but also pave the way for future advancements in the industry.