Sub-100 nm feature sizes realized by cost-effective microscope projection photolithography
- authored by
- Lei Zheng, Carsten Reinhardt, Bernhard Roth
- Abstract
The demand on the miniaturization of products has fostered the advancement of high-resolution fabrication technologies. Here, we demonstrate a simple and low-cost UV-LED-based lithography technique for structuring at micro- and nanoscale. The corresponding experimental setup was established with off-the-shelf components and allows for single structuring within seconds based on a standard microscope projection photolithography (MPP) process. By improving the printing quality of the structure pattern on transparent foil and employing aberration-corrected optical elements in the systems, high-quality waveguides and gratings at the micro- and nanoscale were successfully fabricated. Especially, minimum feature sizes down to 80 nm using a 100x microscope objective with NA of 1.4 were obtained. This operation-friendly, highly efficient and low-cost approach exhibits great potential in micro- and nanomanufacturing for applications in fields such as nanophotonics, integrated photonics, and micro- and nanoelectromechanical systems.
- Organisation(s)
-
PhoenixD: Photonics, Optics, and Engineering - Innovation Across Disciplines
Hannover Centre for Optical Technologies (HOT)
- External Organisation(s)
-
Bremen University of Applied Sciences
- Type
- Conference contribution
- Publication date
- 15.03.2023
- Publication status
- Published
- Peer reviewed
- Yes
- ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials, Condensed Matter Physics, Computer Science Applications, Applied Mathematics, Electrical and Electronic Engineering
- Electronic version(s)
-
https://doi.org/10.1117/12.2648032 (Access:
Closed)