Company Filing History:
Years Active: 1989-1990
Title: Innovations of Ki W Lee in Silicon-Based Sensors
Introduction
Ki W Lee is an accomplished inventor based in Williamsburg, VA (US), known for his significant contributions to the field of silicon-based sensors. With a total of four patents to his name, Lee has demonstrated a commitment to advancing technology in automotive electronics.
Latest Patents
One of Lee's latest patents involves a silicon-based sensor that includes a substrate, a sensor element, and a protective diaphragm that mounts and covers the sensor element. This innovative design features a silicon layer with an etch-stop dopant, which is sealed to the substrate, ensuring the sensor element is securely encapsulated. The fabrication process involves creating a trough area in a silicon block, treating it with an etch-stop dopant, and sealing the sensor element to the substrate. This method allows for the formation of a bonding pad on untreated regions, facilitating interconnection with electronic circuitry.
Another notable patent is for a silicon-based mass airflow sensor, which is fabricated on a semiconductor substrate. This sensor includes a dielectric diaphragm, a p-etch-stopped silicon rim, thin-film heating and temperature sensing elements, and tapered chip edges. The diaphragm is constructed with a sandwich structure of thin silicon oxide and silicon nitride, providing excellent thermal insulation for the sensor's components. The dimensions of the diaphragm are meticulously controlled to ensure consistent sensor performance.
Career Highlights
Ki W Lee is currently employed at Siemens-Bendix Automotive Electronics Limited, where he continues to innovate in the field of automotive technology. His work has significantly impacted the development of advanced sensor technologies that enhance vehicle performance and safety.
Collaborations
Lee has collaborated with notable colleagues, including Il-Hyun Choi and Charles R Cook Jr., contributing to various projects that push the boundaries of sensor technology.
Conclusion
Ki W Lee's contributions to silicon-based sensors exemplify his dedication to innovation in automotive electronics. His patents reflect a deep understanding of sensor design and fabrication, positioning him as a key figure in the industry.