Company Filing History:
5 out of 263 
3 out of 1,027 
2 out of 2,340 
Years Active: 1995-2003
Title: **Innovative Contributions of Inventor Sa Kyun Rha**
Introduction
Sa Kyun Rha, based in Seoul, South Korea, is a notable inventor with an impressive repertoire of 11 patents. His work predominantly focuses on advances in semiconductor technology, specifically related to methods and devices that enhance the efficiency and functionality of semiconductor devices.
Latest Patents
Among his latest innovations is the patent titled "Method for forming tungsten bit line and devices including the same." This method outlines a novel process involving a silicon substrate with an impurity region, where an inter-layer insulating film is created featuring a contact hole. This method underscores the importance of heat treatment to instigate reactions between the titanium film and silicon substrate, ultimately leading to the formation of a tungsten plug within the contact hole.
Another significant patent he developed is related to the "Manufacturing method of interconnection layer for semiconductor device." This invention describes a comprehensive approach to fabricating an interconnection layer, starting from forming a conductive pattern to creating an insulation layer and copper interconnection layer to enhance the conductivity and performance of semiconductor devices.
Career Highlights
Sa Kyun Rha has made meaningful contributions while working at prominent companies such as Goldstar Electron Co., Ltd. and LG Semicon Co., Ltd. His experience at these renowned firms has equipped him with profound insights and expertise in semiconductor technologies, enabling him to drive forward innovative solutions that benefit the industry.
Collaborations
Throughout his career, Rha has collaborated with accomplished individuals including Dong Won Kim and Young Il Cheon. These partnerships have fostered a creative environment, allowing for the exchange of ideas and collaborative problem-solving, which has undoubtedly influenced his inventive journey.
Conclusion
In summary, Sa Kyun Rha exemplifies the spirit of innovation in semiconductor technology, with a remarkable portfolio of patents that not only showcase his technical prowess but also contribute significantly to the advancement of the field. His dedication to enhancing semiconductor manufacturing processes through his inventions positions him as a valued contributor to the industry.