Location History:
- Montgomery, IL (US) (2012 - 2014)
- Rio Rancho, NM (US) (2014)
- Pflugerville, TX (US) (2014 - 2017)
Company Filing History:
5 out of 297 
1 out of 832,718 Years Active: 2012-2017
Title: John Clark: Innovator in Silicon Polishing Technologies
Introduction
John Clark is a notable inventor based in Pflugerville, TX (US), recognized for his contributions to the field of silicon polishing technologies. With a total of 6 patents to his name, Clark has made significant advancements that enhance the efficiency and effectiveness of silicon polishing processes.
Latest Patents
Among his latest patents, Clark has developed a composition and method for polishing bulk silicon. This invention provides a polishing composition that includes silica, compounds that increase the removal rate of silicon, tetraalkylammonium salts, and water, with a pH ranging from about 7 to about 11. Additionally, he has created a silicon polishing composition with improved particle size distribution (PSD) performance. This chemical-mechanical polishing composition comprises silica, tetraalkylammonium salts, bicarbonate salts, alkali metal hydroxides, aminophosphonic acids, rate accelerator compounds, polysaccharides, and water. The invention aims to reduce surface roughness and PSD of polished substrates, particularly silicon substrates.
Career Highlights
Throughout his career, John Clark has worked with prominent companies, including Cabot Microelectronics Corporation. His work has significantly impacted the semiconductor industry, particularly in the development of advanced polishing techniques.
Collaborations
Clark has collaborated with notable professionals in his field, including Brian Reiss and Michael L. White. These collaborations have contributed to the innovation and refinement of his patented technologies.
Conclusion
John Clark's innovative work in silicon polishing technologies has established him as a key figure in the industry. His patents reflect a commitment to improving the efficiency and quality of silicon substrates, making a lasting impact on semiconductor manufacturing.
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.