This inventor holds 3 USPTO granted patents. Top assignee: Intel Corporation. Active years: 1998-2001.
Location History:
- Beverton, OR (US) (1998 - 1999)
- Portland, OR (US) (2001)
Company Filing History:
Years Active: 1998-2001
Title: **Ralph A Schweinfurth: Innovating Semiconductor Etching Techniques**
Introduction
Ralph A Schweinfurth is a notable inventor based in Beaverton, Oregon. He has made significant contributions to the field of semiconductor technology, particularly in the area of etching processes. With two patents to his name, his innovations focus on improving the precision and effectiveness of etching techniques used in the fabrication of semiconductor devices.
Latest Patents
Schweinfurth's recent patents include a method for controlling etch bias with a fixed lithography pattern. This invention describes a multi-step etching process that enhances etch selectivity and control by using specific materials in a structured manner. The method enables the formation of submicron critical dimension shallow trenches more effectively, ensuring better results in semiconductor applications.
His second patent details an etch process aimed at producing rounded top corners for sub-micron silicon. This technique utilizes a combination of carbon-fluorine, argon, and nitrogen gases to achieve the desired geometry directly after the trench formation. This innovation is critical for the precise shaping and finishing of semiconductors, which is essential for their functionality in various electronic devices.
Career Highlights
Ralph A Schweinfurth is affiliated with Intel Corporation, one of the leading companies in the technology and semiconductor industry. His role at Intel has provided him with a platform to develop and implement his innovative etching techniques, contributing to the advancements in semiconductor manufacturing.
Collaborations
Throughout his career, Schweinfurth has collaborated with esteemed colleagues such as Phi L Nguyen and Swaminathan Sivakumar. These partnerships have allowed for the exchange of ideas and expertise, further enhancing the innovation and development of semiconductor technologies.
Conclusion
Ralph A Schweinfurth represents a significant force in semiconductor innovation. His patents demonstrate a commitment to improving etching processes, which are vital to the manufacturing of high-performance electronic devices. His work continues to influence the industry, showcasing the impact of dedicated inventors in technology advancement.