Johannes A Rozenveld

Title: Innovations of Johannes A. Rozenveld

Introduction

Johannes A. Rozenveld is a notable inventor based in Maarheeze, Netherlands. He has made significant contributions to the field of optical lithography through his innovative designs and patents. His work primarily focuses on enhancing the efficiency and accuracy of positioning devices used in various applications.

Latest Patents

Rozenveld holds a patent for a "Positioning device having two manipulators operating in parallel." This invention features a positioning device equipped with two transport arms that alternately transfer plate-shaped objects from a storage position to an operational position. Each transport arm is displaceable by a separate manipulator, allowing for a quick exchange of objects. The manipulators consist of two parallel Y-guides fastened to a frame, along with an X-guide that is displaceable along the Y-guides. This design is particularly useful in optical lithographic devices for placing masks on a mask support. The device is enhanced with an optical sensor system linked to an electronic control unit, ensuring precise positioning of the masks.

Career Highlights

Rozenveld is associated with U.S. Philips Corporation, where he has contributed to various projects and innovations. His work has been instrumental in advancing the technology used in optical lithography, which is crucial for the manufacturing of semiconductors and other high-precision components.

Collaborations

Throughout his career, Rozenveld has collaborated with notable colleagues, including Adrianus J. Vermeer and Jan A. Markvoort. These collaborations have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Johannes A. Rozenveld's contributions to the field of optical lithography through his innovative positioning device highlight his expertise and dedication as an inventor. His work continues to influence the industry, paving the way for future advancements in technology.