This inventor holds 5 USPTO granted patents. Top assignees: Fairchild Korea Semiconductor Ltd., Other. Active years: 2005-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Bucheon-city, Gyeonggi-do, KR (2005)
- Boocheon, KR (2007 - 2009)
- Gyeonggi-do, KR (2008 - 2011)
Company Filing History:
4 out of 354 
1 out of 834,659 Years Active: 2005-2011
Title: Innovations of Cheol-joong Kim
Introduction
Cheol-joong Kim is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of power semiconductor devices, holding a total of 5 patents. His work focuses on enhancing the efficiency and performance of semiconductor technologies.
Latest Patents
One of his latest patents is a method of fabricating a power semiconductor device designed to suppress substrate recirculation current. This innovative device features a first region where a transistor is formed, a third region for a control element, and a second region that separates the first and third regions. The structure includes a substrate of a first conductive type and a semiconductor region of a second conductive type, along with a highly-doped buried layer and a highly-doped bottom layer. This design effectively separates parasitic bipolar junction transistors from the control region, improving overall device performance.
Another significant patent by Kim is a method for forming a high breakdown voltage low on-resistance lateral DMOS transistor. This method involves several steps, including the formation of buried layers and an epitaxial layer, as well as the creation of a drift region and a gate layer. The innovative design allows for efficient channel formation, enhancing the transistor's operational capabilities.
Career Highlights
Cheol-joong Kim has worked with Fairchild Korea Semiconductor Ltd., where he applied his expertise in semiconductor technology. His contributions have been instrumental in advancing the company's product offerings and technological capabilities.
Collaborations
Throughout his career, Kim has collaborated with notable professionals in the field, including Tae-hun Kwon and Yong-cheol Choi. These collaborations have fostered innovation and development in semiconductor technologies.
Conclusion
Cheol-joong Kim's work in the semiconductor industry exemplifies his commitment to innovation and excellence. His patents reflect a deep understanding of semiconductor technology and its applications, making him a significant figure in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile