Shinhyuk Choi

Title: Innovations of Shinhyuk Choi in Etchant Composition

Introduction

Shinhyuk Choi is a notable inventor based in Suwon-si, South Korea. He has made significant contributions to the field of etchant compositions, particularly in the manufacturing of metal patterns and array substrates. With a total of two patents to his name, Choi's work is recognized for its innovative approaches and practical applications.

Latest Patents

Choi's latest patents focus on etchant compositions that enhance the manufacturing process of multilayer metal substrates. One of his patents describes an etchant composition that includes a persulfate, a four-nitrogen ring compound, a two-chlorine compound, a fluorine compound, and water. This composition has a specific weight ratio of the four-nitrogen ring compound to the two-chlorine compound, ranging from about 1:0.5 to about 1:4. This etchant composition is capable of etching a multilayer metal substrate of titanium/copper, which is essential for creating high-quality metal patterns and array substrates.

Another patent by Choi details an etchant composition that consists of a persulfate, a four-nitrogen ring compound, a carbonyl ring compound with two or more carbonyl groups, and water. The weight ratio of the four-nitrogen ring compound to the carbonyl ring compound is approximately 1:0.1 to about 1:2. This innovative composition also effectively etches multilayers of titanium/copper, contributing to the production of metal patterns and array substrates with excellent etched pattern properties.

Career Highlights

Choi is currently employed at Samsung Display Co., Ltd., where he continues to develop and refine his innovative etchant compositions. His work has been instrumental in advancing the technology used in display manufacturing, particularly in enhancing the quality and efficiency of production processes.

Collaborations

Choi has collaborated with notable colleagues, including Bong-Kyun Kim and Donghee Lee. Their combined expertise has contributed to the successful development of innovative solutions in the field of etchant compositions.

Conclusion

Shinhyuk Choi's contributions to the field of etchant compositions demonstrate his commitment to innovation and excellence in manufacturing processes. His patents reflect a deep understanding of materials and their applications, making him a valuable asset in the industry.