This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Therma-Wave, Inc.. Active years: 1989.
Company Filing History:
Years Active: 1989
Title: John Schuur - Innovator in Semiconductor Testing Technology
Introduction
John Schuur is a notable inventor based in San Jose, California. He has made significant contributions to the field of semiconductor technology, particularly in the area of testing and locating areas of interest on workpieces. His innovative approach has led to advancements that enhance the efficiency and accuracy of semiconductor manufacturing processes.
Latest Patents
John Schuur holds a patent for an "Apparatus for locating and testing areas of interest on a workpiece." This invention relates to a method and apparatus for identifying and testing the location of areas of interest on a workpiece, specifically unmasked areas on a semiconductor wafer. The method involves scanning the surface of the wafer with a search beam of radiation. The power of the reflected search beam varies based on the optical reflectivity of the surface. By measuring the power of the reflected search beam, the invention can identify the location of areas to be measured. The preferred testing procedure utilizes an intensity-modulated pump beam to periodically excite a region in the identified unmasked area, allowing for the evaluation of ion dopant concentrations and the effects of processing steps on the wafer's surface.
Career Highlights
John Schuur has had a successful career at Therma-Wave, Inc., where he has applied his expertise in semiconductor technology. His work has been instrumental in developing methods that improve the testing and analysis of semiconductor wafers. With a focus on innovation, he has contributed to the advancement of technologies that are critical to the semiconductor industry.
Collaborations
Throughout his career, John has collaborated with esteemed colleagues such as Allan Rosencwaig and Michael W. Taylor. These collaborations have fostered an environment of innovation and have led to the development of cutting-edge technologies in the field.
Conclusion
John Schuur's contributions to semiconductor testing technology exemplify the impact of innovation in the industry. His patent and work at Therma-Wave, Inc. highlight his commitment to advancing semiconductor manufacturing processes. His achievements serve as an inspiration for future inventors in the field.