Oh-hyun Baek

Title: Innovations of Oh-hyun Baek

Introduction

Oh-hyun Baek is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of printing technology, holding a total of 5 patents. His work primarily focuses on advancements in ink-jet printheads and ink cartridges.

Latest Patents

One of his latest patents is for an ink-jet printhead that includes a substrate with an integrated circuit for a driving logic circuit. This circuit selectively drives the nozzle and inputs/outputs printing data to/from a fuse array. The printhead also features an electrode for wiring the integrated circuit and logic circuit, along with multiple heaters that generate heat through current applied from the integrated circuit. Additionally, a fuse array is included, which consists of several fuse members that can be selectively fused by current from the logic circuit, storing printing data. A cover member is also part of the design, containing an ink chamber and a nozzle aligned with each heater.

Another notable patent is for an ink cartridge utilizing separate magnets. This cartridge comprises an ink container with first and second chambers separated by a vertical partition. The first chamber contains a sponge and a filter, while the second chamber features a magnet float with a first magnet inside and a second magnet on the bottom surface. A magnet sensor detects a magnetic flux when the magnet float contacts the second magnet, allowing for effective detection without requiring a transparent cartridge container.

Career Highlights

Oh-hyun Baek is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate in the field of printing technology. His work has significantly impacted the efficiency and functionality of ink-jet printing systems.

Collaborations

He has collaborated with notable coworkers, including Jae-ho Moon and Chung-jeon Lee, contributing to various projects and advancements in their field.

Conclusion

Oh-hyun Baek's contributions to printing technology through his innovative patents demonstrate his expertise and commitment to advancing the industry. His work continues to influence the development of more efficient and effective printing solutions.