An array of dielectric resonator antenna (DRA) elements is formed by perforating a dielectric substrate with a lattice of holes. The performance of a small prototype array designed at 25 GHz was ...

This paper focuses on reducing the vibration noise of amorphous metal alloy core superconducting distribution transformers (AMSDTs) with a micro-perforated panel (MPP) absorber. An AMSDT model was ...

We developed a method to improve specimen preparation for electron cryo-microscopy of membrane proteins. The method features a perforated hydrogel nanomembrane that stabilizes the thin film of aqueous ...