Kwang Ho Chang

Title: Kwang Ho Chang: Innovator in Dielectric Materials

Introduction

Kwang Ho Chang is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of dielectric materials, particularly for high-frequency applications. With a total of 2 patents, his work is recognized for its innovative approach to enhancing the performance of electronic devices.

Latest Patents

Chang's latest patents include a dielectric material for high frequencies and a microwave dielectric ceramic composition. The dielectric material is designed to improve high-frequency performance and comprises a specific composition system. The microwave dielectric ceramic composition exhibits superior high-frequency characteristics and features temperature coefficients that are particularly suitable for materials used in cellular phones. This composition includes approximately 0.1 to 0.3 mole fraction of CaTiO.sub.3, which has a negative temperature coefficient, and approximately 0.9 to 0.7 mole fraction of (Li.sub.1/2 Nd.sub.1/2)TiO.sub.3, which has a positive temperature coefficient. Additionally, it may contain predetermined amounts of additives such as Nd.sub.2 O.sub.3, Li.sub.2 CO.sub.3, Na.sub.2 CO.sub.3, and CeO.sub.2.

Career Highlights

Kwang Ho Chang is affiliated with the Korea Institute of Science and Technology, where he continues to advance research in dielectric materials. His work has been instrumental in developing materials that meet the demands of modern telecommunications.

Collaborations

Some of his notable coworkers include Kyung Y Kim and Jung Rak Yun, who have collaborated with him on various projects related to dielectric materials.

Conclusion

Kwang Ho Chang's innovative contributions to dielectric materials have positioned him as a key figure in the field. His patents reflect a commitment to enhancing the performance of electronic devices, particularly in high-frequency applications.