Company Filing History:
8 out of 30 
6 out of 93 
1 out of 5 Years Active: 1990-2000
Title: The Innovative Contributions of John V Roberts
Introduction
John V Roberts is a notable inventor based in Newark, DE (US), recognized for his significant contributions to the field of polishing technology. With a total of 14 patents to his name, Roberts has made a lasting impact on the manufacturing processes used in semiconductor devices and other applications.
Latest Patents
Among his latest patents is a method of making polishing pads. This invention features a polishing pad with a substantially uniform, continuously interconnected porous surface. The pad is produced by pressure sintering powder compacts of thermoplastic polymer at a temperature above the glass transition temperature but not exceeding the melting point of the polymer. The sintering process is conducted in a mold at a pressure exceeding 100 psi (0.07 MPa). In a preferred version, a mixture of two polymer powders is utilized, where one polymer has a lower melting point than the other. Another significant patent is for a polishing system that includes a multi-phase polishing substrate and methods. This chemical-mechanical polishing system is particularly well-suited for the manufacture of semiconductor devices. The invention is directed to a self-dressing polishing pad comprising a high modulus phase and a low modulus phase, which enhances the efficiency and effectiveness of polishing across the entire surface interface.
Career Highlights
Throughout his career, John V Roberts has worked with prominent companies such as Rodel Inc. and Rodel Holdings, Inc. His work has been instrumental in advancing polishing technologies that are critical in various manufacturing processes.
Collaborations
Roberts has collaborated with notable individuals in his field, including Lee Melbourne Cook and Heinz F Reinhardt. These collaborations have contributed to the development of innovative solutions in polishing technology.
Conclusion
John V Roberts stands out as a significant figure in the realm of invention, particularly in polishing technologies. His patents and career achievements reflect his dedication to innovation and excellence in the industry.