James T Christol

Title: Innovations by James T Christol

Introduction

James T Christol is a notable inventor based in Cupertino, CA, who has made significant contributions to the field of temperature measurement and etching technology. With a total of 2 patents, his work reflects a commitment to advancing precision in various industrial applications.

Latest Patents

One of Christol's latest inventions is a hand-held digital temperature measuring instrument. This innovative device allows users to measure the temperature of a target without direct contact. It utilizes a microprocessor and a digital display to calculate and indicate various temperature functions. The instrument compensates for the effects of emissivity and ambient temperature changes, which can lead to inaccurate readings. Additionally, it features temperature trend direction liquid crystal arrows actuated by the microprocessor, enhancing user experience and accuracy.

Another significant patent is related to end point detection in etching wafers and similar materials. This method employs reflective means to detect the end point of the etching process. A detected reflectance signal indicates different stages of etching, allowing for precise control over the process. By subtracting the inflection level from the threshold level, a second threshold level is defined, which anticipates the end of the etching cycle. This method ensures that the actual end of etching coincides with the desired condition, minimizing overshoot and improving efficiency.

Career Highlights

Throughout his career, James T Christol has worked with several prominent companies, including Raytek GmbH and Applied Process Technology, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions in temperature measurement and etching technologies.

Collaborations

Christol has collaborated with notable professionals in his field, including Michael R Jacobs and Herbert L Berman. These partnerships have likely enriched his work and led to further advancements in his inventions.

Conclusion

James T Christol's contributions to the fields of temperature measurement and etching technology demonstrate his innovative spirit and dedication to precision. His patents reflect a deep understanding of the challenges in these areas and provide effective solutions that enhance industrial processes.