Company Filing History:
5 out of 3,191 
2 out of 832,891 Years Active: 1989-1992
Title: The Innovative Contributions of Carl F. Mueller
Introduction
Carl F. Mueller is a notable inventor based in Easton, PA (US), recognized for his significant contributions to the field of materials science. With a total of 7 patents to his name, he has made remarkable advancements in the development of specialized materials for various applications.
Latest Patents
Among his latest patents, one of the most significant is the invention of diamond membranes for X-ray lithography. This innovation involves creating a compressive stress-free, pin-holes free, and defects free continuous polycrystalline diamond membrane. The process includes placing a prepared substrate into a hot filament chemical vapor deposition reaction chamber, pre-heating the substrate to temperatures between 400°C and 650°C in the presence of an inert gas, and subsequently heating it to 650°C-700°C with hydrogen and carbon compounds. This method results in a high-quality membrane suitable for X-ray lithography masks.
Another notable patent is the method for depositing highly erosive and abrasive wear-resistant materials. This method involves chemical vapor depositing a substantially columnar, intermediate layer of tungsten on a substrate, followed by a non-columnar, substantially lamellar outer layer of a mixture of tungsten and tungsten carbide. The specific ratios and deposition conditions are meticulously defined to ensure optimal performance of the resulting material.
Career Highlights
Throughout his career, Carl F. Mueller has worked with prominent companies, including Air Products and Chemicals, Inc. His work has significantly impacted the development of advanced materials, showcasing his expertise and innovative spirit.
Collaborations
Carl has collaborated with talented individuals such as Diwakar Garg and Leslie E. Schaffer, contributing to the advancement of technology in his field.
Conclusion
Carl F. Mueller's innovative work in materials science, particularly in the development of diamond membranes and wear-resistant materials, highlights his significant contributions to the industry. His patents reflect a commitment to advancing technology and improving material performance.