Company Filing History:
Years Active: 1990-1991
Title: Heyung-Sub Lee: Innovator in Semiconductor Technology
Introduction
Heyung-Sub Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on methods that enhance the efficiency and performance of semiconductor devices.
Latest Patents
Lee's latest patents include a "Method of making semiconductor devices having ohmic contact." This innovative method aims to reduce contact resistance between layers when a silicide layer contacts a polycrystalline-silicon layer during semiconductor manufacturing. The process involves forming a polysilicon layer and a silicide layer on a semiconductor substrate, followed by the creation of an insulating layer and a contact window through etching. Ion-implantation is then performed to achieve high doping into the silicide.
Another notable patent is the "Method for manufacturing poly-crystalline silicon having high resistance." This method includes several steps, such as depositing a polycrystalline silicon layer over a silicon semiconductor substrate and growing thermal oxide layers. The process also involves ion-implanting nitrogen and forming a resistor pattern using photo etching, ultimately decreasing the resistance of the polycrystalline silicon for effective contact with semiconductor regions.
Career Highlights
Heyung-Sub Lee is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate in semiconductor technology. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more efficient and reliable.
Collaborations
Lee has collaborated with notable colleagues, including Kyu Hyun Choi and Jung Hwan Lee. Their combined expertise has contributed to the successful development of innovative semiconductor technologies.
Conclusion
Heyung-Sub Lee is a key figure in the semiconductor industry, with a focus on improving device performance through innovative methods. His patents reflect a commitment to advancing technology in this critical field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.