John L Crowley

Title: Innovations by John L Crowley

Introduction

John L Crowley is an accomplished inventor based in Fremont, CA (US). He has made significant contributions to the field of semiconductor processing, holding a total of 3 patents. His work focuses on improving the accuracy of temperature measurements in wafer processing chambers.

Latest Patents

One of his latest patents is titled "Apparatus and method for compensating for errors in temperature." This invention provides an innovative solution for calibrating temperature feedback values in a water processing chamber. The apparatus automatically compensates for variations in infrared emissions from heated semiconductor wafers, which can differ due to variations in composition and coatings. A calibration wafer embedded with a thermocouple generates a table that relates actual wafer temperatures to the power supplied to the heating chamber and the infrared emissions detected by a pyrometer. This method ensures that any discrepancies in temperature readings are accurately adjusted, enhancing the reliability of the wafer processing.

Career Highlights

Throughout his career, John has worked with notable companies, including Peak Systems, Inc. His experience in the industry has allowed him to develop and refine his innovative ideas, contributing to advancements in semiconductor technology.

Collaborations

John has collaborated with several professionals in his field, including Ahmad Kermani and Stephan E Lassig. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

John L Crowley is a notable inventor whose work in semiconductor processing has led to significant advancements in temperature calibration methods. His contributions continue to impact the industry positively.