Location History:
- Aalen-Ebnat, DE (2010)
- Koenigsbronn, DE (2008 - 2012)
- Aalen, DE (2010 - 2022)
Company Filing History:
Years Active: 2008-2022
Title: Albrecht Ehrmann: A Pioneer in Optical Measurement Technologies
Introduction
Albrecht Ehrmann is a notable inventor based in Aalen, Germany, recognized for his significant contributions to the field of optical measurement systems. With a total of 14 patents to his name, his innovations have played a crucial role in enhancing the precision of imaging optical systems.
Latest Patents
One of Albrecht Ehrmann's latest inventions is a measurement apparatus designed for measuring wavefront aberration in imaging optical systems. This advanced apparatus features a measurement wave generating module that produces a measurement wave directed towards the optical system. The module includes an illumination system that lights up a mask plane with specific illumination radiation and coherence structures. A wavefront measurement module subsequently measures the wave after it traverses the optical system, enabling an evaluation device to determine the deviation of the wavefront from a desired condition. Notably, this evaluation device also considers the intensity distribution of the illumination radiation, which influences the measurement results.
In addition, he has developed a microlithographic projection exposure apparatus equipped with a projection lens designed for immersion operations. To address temperature gradient-induced refractive index fluctuations in the immersion liquid, the apparatus incorporates heat transfer elements. These elements effectively manage temperature variations to maintain a homogeneous and rotationally symmetric temperature distribution, which is crucial for the performance of the optical system.
Career Highlights
Throughout his illustrious career, Albrecht has worked with esteemed companies, including Carl Zeiss SMT GmbH and Carl Zeiss SMT AG. His tenure at these organizations reflects his deep involvement in developing cutting-edge optical technologies and high-precision measurement systems.
Collaborations
Albrecht Ehrmann has collaborated with skilled professionals in the field, including notable coworkers Ulrich Wegmann and Markus Mengel. These collaborations have undoubtedly contributed to the success of his innovative projects and the advancement of optical measurement technologies.
Conclusion
Albrecht Ehrmann stands out as a prominent inventor whose work has significantly influenced optical measurement systems. With his innovative patents and collaborations with leading companies and professionals, he continues to push the boundaries of technology in his field, ensuring enhanced precision and performance in imaging optical systems.