Chang-han Shim

Title: Chang-han Shim: Innovator in Printed Circuit Board Technology

Introduction

Chang-han Shim is a notable inventor based in Changwon, South Korea. He has made significant contributions to the field of electronics, particularly in the development of printed circuit boards (PCBs) and semiconductor packaging. With a total of 5 patents to his name, Shim continues to push the boundaries of innovation in his industry.

Latest Patents

One of Chang-han Shim's latest patents is for a printed circuit board with multiple metallic layers and a method of manufacturing the same. This invention aims to improve adhesion between a metal film and a polymer film, on which a circuit pattern is formed. The PCB includes a first metal film, a polymer film formed on one surface of the first metal film, and a second metal film interposed between the first metal film and the polymer film. Notably, the second surface of the second metal film is rougher than the first surface, enhancing the overall performance of the PCB.

Another significant patent involves a lead frame manufactured from low-priced material that does not require strict process control. This invention includes a semiconductor package and a method of manufacturing both the lead frame and the semiconductor package. The lead frame features a die pad on which a semiconductor chip can be installed, along with a plurality of lead patterns formed around the die pad's circumference. An insulating organic material fills the etching spaces between the die pad and the lead patterns, providing structural support.

Career Highlights

Chang-han Shim is currently employed at Samsung Techwin Co., Ltd., where he applies his expertise in electronics and materials science. His work has been instrumental in advancing the technology used in modern electronic devices.

Collaborations

Throughout his career, Chang-han Shim has collaborated with talented individuals such as Sung-il Kang and Se-Chuel Park. These collaborations have contributed to the successful development of innovative technologies in the field.

Conclusion

Chang-han Shim is a prominent inventor whose work in printed circuit board technology and semiconductor packaging has made a lasting impact on the electronics industry. His innovative patents reflect his commitment to enhancing the performance and efficiency of electronic components.