Location History:
- Gongju-si Chungcheongnam-do, KR (2019)
- Gongju-si, KR (2020)
Company Filing History:
Years Active: 2019-2020
Title: Innovations by Choung Sik Song
Introduction
Choung Sik Song is a notable inventor based in Gongju-si, South Korea. He has made significant contributions to the field of semiconductor technology, holding three patents that showcase his expertise and innovative spirit.
Latest Patents
His latest patents include an etchant composition, a method of manufacturing a semiconductor device using the same, and the semiconductor device itself. The method involves alternately forming sacrificial layers and interlayer insulating layers on a semiconductor substrate. It further includes forming a slit to expose the sacrificial layers by etching through both the sacrificial layers and the interlayer insulating layers. The process also entails forming interlayer openings by removing the exposed sacrificial layers. Additionally, it involves depositing a conductive material in the interlayer openings and forming seams where core patterns are deposited. The method includes oxidizing a portion of the conductive material in the interlayer openings using a wet etching process and forming conductive patterns by removing the oxidized portion of the conductive material while leaving the seams intact.
Career Highlights
Choung Sik Song is currently employed at SK Hynix Inc., a leading semiconductor company. His work has significantly impacted the development of advanced semiconductor devices, contributing to the company's reputation for innovation and quality.
Collaborations
He has collaborated with notable coworkers, including Seung Cheol Lee and Woo Jae Chung, who have also contributed to advancements in semiconductor technology.
Conclusion
Choung Sik Song's innovative work in semiconductor technology and his contributions through his patents highlight his role as a key figure in the industry. His ongoing efforts continue to shape the future of semiconductor devices.