Location History:
- Lowhill Township, Lehigh County, PA (US) (1988)
- North Hampton, PA (US) (1988)
- Greenwich Township, Berks County, PA (US) (1990 - 1993)
Company Filing History:
2 out of 3,345 
2 out of 745 Years Active: 1988-1993
Title: The Innovations of Ronald J Holmes
Introduction
Ronald J Holmes is a notable inventor based in Greenwich, PA (US), recognized for his contributions to the field of optical materials and waveguide technology. With a total of 4 patents to his name, Holmes has made significant advancements that have impacted various industries.
Latest Patents
Holmes' latest patents include innovative methods and materials that enhance optical performance. One of his notable inventions is the "Lithium niobate etchant," which describes a process where oxides of tantalum and niobium are selectively etched using patterned silicon oxide as a mask. This method employs a sulfate flux to remove exposed portions of the tantalum or niobium oxide substrate effectively. Another significant patent is the "Proton exchange method of forming waveguides in LiNbO.sub.3." This method utilizes sulfuric acid as a proton source to create optical waveguides within a lithium-based optical substrate. The process involves masking the substrate to expose specific areas and immersing it in a heated sulfuric acid bath, resulting in an increase in the extraordinary refractive index in the unmasked areas, facilitating optical guiding.
Career Highlights
Throughout his career, Ronald J Holmes has worked with prestigious organizations, including AT&T Bell Laboratories and American Telephone & Telegraph Company. His work at these institutions has allowed him to collaborate on groundbreaking projects that have advanced telecommunications and optical technologies.
Collaborations
Holmes has had the opportunity to work alongside esteemed colleagues such as Jeffrey B Bindell and James Thomas Cargo. Their collaborative efforts have contributed to the success of various projects and innovations in the field.
Conclusion
In summary, Ronald J Holmes is a distinguished inventor whose work in optical materials and waveguide technology has led to significant advancements. His patents reflect a commitment to innovation and excellence in the field, making him a valuable contributor to the scientific community.