Designs and manufactures advanced PVD systems (magnetron sputtering, e‑beam and thermal evaporation, gas condensation) for ultra‑pure, well‑controlled deposition of battery/energy, electrochemistry, catalysis and quantum materials. Produces gold and silver SERS substrates that enable high‑sensitivity chemical, biological, environmental, pharmaceutical, food‑safety and forensic detection for universities, R&D labs and technology innovators.