Lubomír Tůma

Title: Lubomír Tůma: Innovator in Particle Optics

Introduction

Lubomír Tůma is a distinguished inventor based in Brno, Czech Republic. He has made significant contributions to the field of particle optics, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is for a "Counter pole with permanent magnets." This invention involves a charged particle beam system that includes a vacuum chamber, a specimen holder, and a charged particle column. The charged particle column features a charged particle source and a magnetic immersion lens designed to focus the beam of charged particles effectively. The magnetic immersion lens comprises a first lens pole, an excitation coil, and a counterpole with magnets.

Another notable patent is the "Method of using a compound particle-optical lens." This invention pertains to a compound objective lens for a Scanning Electron Microscope. It integrates a conventional magnetic lens, an immersion magnetic lens, and an immersion electrostatic lens. The design allows for precise focusing of the electron beam on the sample, enhancing the detection of backscattered electrons (BSEs) by tuning the excitation of the lens coils.

Career Highlights

Lubomír Tůma is currently associated with FEI Company, where he continues to push the boundaries of innovation in particle optics. His work has been instrumental in advancing technologies that are crucial for various scientific applications.

Collaborations

He collaborates with notable colleagues, including Petr Hlavenka and Petr Sytar, who contribute to his research and development efforts.

Conclusion

Lubomír Tůma's contributions to the field of particle optics through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in technology and science.