Keyong Bo Shim

Title: Keyong Bo Shim: Innovator in Etchant Composition

Introduction

Keyong Bo Shim is a notable inventor based in Iksan, South Korea. He has made significant contributions to the field of etchant compositions, particularly in applications related to display devices. With a total of 2 patents, his work has garnered attention in the industry.

Latest Patents

Keyong Bo Shim's latest patents focus on an etchant composition and method for forming metal wires and thin film transistor array panels. The etchant composition includes, based on the total weight, approximately 0.5 wt % to about 20 wt % of a persulfate, 0.5 wt % to about 0.9 wt % of ammonium fluoride, 1 wt % to about 10 wt % of an inorganic acid, 0.5 wt % to about 5 wt % of a cyclic amine compound, 0.1 wt % to about 10.0 wt % of a sulfonic acid, and 5 wt % to about 10 wt % of an organic acid or its salt, with the remainder being water. This composition is designed to etch metal layers, including copper and titanium, to create metal wires for thin film transistor array panels used in display devices.

Career Highlights

Throughout his career, Keyong Bo Shim has worked with prominent companies in the industry, including Samsung Display Co., Ltd. and Dongwoo Fine-Chem Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative etchant solutions.

Collaborations

Keyong Bo Shim has collaborated with notable colleagues such as Wang Woo Lee and Jong-Hyun Choung. These partnerships have likely enhanced his research and development efforts in the field of etchant compositions.

Conclusion

Keyong Bo Shim is a distinguished inventor whose work in etchant compositions has made a significant impact on the display technology industry. His innovative approaches continue to influence advancements in the field.