Seung-ju Shin

Title: Innovations of Seung-ju Shin: Pioneering Ink-Jet Printhead Technology

Introduction

Seung-ju Shin is a notable inventor based in Seongnam, South Korea. He has been recognized for his significant contributions to the field of ink-jet printhead technology, holding five patents that showcase his innovative spirit and technical expertise.

Latest Patents

Shin's latest patents include advancements in ink-jet printhead design and manufacturing. One of his key inventions is an ink-jet printhead that comprises a substrate featuring an ink chamber designed to be supplied with ink and a manifold located on the rear surface of the substrate. The design includes an ink passage aligned in parallel with the front surface of the substrate, effectively connecting the ink chamber to the manifold. Furthermore, it features a nozzle plate on the front surface, a nozzle through which the ink is ejected, a heater to heat the ink, and an electrically connected electrode to apply current to the heater.

Another remarkable patent is a monolithic ink-jet printhead that includes a metal nozzle plate and its manufacturing method. This innovation presents a substrate integrated with an ink chamber and a manifold, along with an ink channel for seamless communication. The nozzle plate is designed with multiple passivation layers and a heat dissipating layer made from thermally conductive metal to ensure optimal heat management. This design also features a heater positioned above the ink chamber and conductors to facilitate current application.

Career Highlights

Seung-ju Shin's impressive portfolio is a testament to his dedication and skill in the realm of technological advancements at Samsung Electronics Co., Ltd. Through his innovative work, he has enhanced the capabilities of ink-jet printing systems, making substantial impacts in various industries reliant on high-quality printing technology.

Collaborations

Shin has worked closely with several talented individuals during his career, including notable colleagues Su-ho Shin and Yong-soo Oh. Their collaborative efforts have further propelled the development of cutting-edge innovations within their field.

Conclusion

Seung-ju Shin’s contributions to ink-jet printhead technology reflect a deep understanding of engineering and design principles. His five patents underscore a commitment to innovation that continues to influence advancements in printing technology and beyond.