This inventor holds 5 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1993-2000.
Company Filing History:
Years Active: 1993-2000
Title: Thomas Edwin Sandwick: Innovator in Semiconductor Technology
Introduction
Thomas Edwin Sandwick is a notable inventor based in Hopewell Junction, NY (US). He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work primarily focuses on methods and apparatuses that enhance the efficiency and effectiveness of semiconductor manufacturing processes.
Latest Patents
One of Sandwick's latest patents is a method and apparatus for in-line oxide thickness determination. This invention involves in-line thickness measurement of a dielectric film layer on a workpiece surface after polishing on a chemical-mechanical polishing machine. The apparatus includes a platen and an electrode embedded within it, with a positioning mechanism that ensures accurate measurement of the dielectric layer. A capacitance sensor is utilized to sense system capacitance, which is then converted to dielectric thickness through a prescribed calibration. Another significant patent is a method of planarizing semiconductor wafers, which employs an aqueous solution of a trialkanol amine as a cleaning solution. This method has shown to substantially reduce semiconductor device failures, particularly in minimizing metal-to-metal shorts.
Career Highlights
Sandwick is currently associated with the International Business Machines Corporation (IBM), where he continues to innovate in semiconductor technologies. His work has been instrumental in advancing the manufacturing processes that are critical to the semiconductor industry.
Collaborations
Throughout his career, Sandwick has collaborated with notable colleagues, including William J. Cote and Pei-ing P. Lee. These collaborations have contributed to the development of innovative solutions in semiconductor technology.
Conclusion
Thomas Edwin Sandwick's contributions to semiconductor technology through his patents and work at IBM highlight his role as a key innovator in the field. His inventions not only improve manufacturing processes but also enhance the reliability of semiconductor devices.