Lawrence D Rotter

Title: Innovations of Lawrence D. Rotter in Optical Metrology

Introduction

Lawrence D. Rotter, a prolific inventor based in Pleasanton, California, holds 18 patents to his name. His work has significantly contributed to the field of optical metrology, with a focus on enhancing measurement precision through innovative technologies.

Latest Patents

Among his latest inventions is an optical metrology tool equipped with modulated illumination sources. This advanced system features a modulatable illumination source designed to illuminate the surface of a sample positioned on a sample stage. It includes a detector for capturing light that emanates from the sample's surface and employs specialized illumination and collection optics to ensure accurate data capture. The modulation control system is a key aspect, allowing the modulation of the drive current at a frequency that optimizes the coherence feature length of the illumination. Furthermore, this invention introduces the time-sequential interleaving of multiple light sources to create periodic pulse trains, enriching the capabilities of multi-wavelength time-sequential optical metrology.

Career Highlights

Lawrence has made significant strides in his career through his work at notable companies such as KLA-Tencor Corporation and Therma-Wave, Inc. His experience in these organizations has allowed him to harness his inventive spirit and push the boundaries of optical measurement technology.

Collaborations

Throughout his career, Lawrence has had the privilege of collaborating with esteemed colleagues, including David Y. Wang and Gregory Brady. These partnerships have fostered an environment of innovation and have been instrumental in the development of groundbreaking technologies in the field.

Conclusion

Lawrence D. Rotter continues to be a vital figure in the innovative landscape of optical metrology. His extensive patent portfolio reflects his dedication to enhancing measurement capabilities, making significant contributions to both the industry and the scientific community. As technology advances, Lawrence's inventions will likely play a pivotal role in shaping the future of optical metrology.