Evaporation Roll Coater EW Series|Vacuum Evaporation System|Products|ULVAC, Inc.
Vacuum Evaporation System

Evaporation Roll CoaterEW Series

EW Series models are deposition systems for evaporation of metal or oxides onto continuously-wound plastic film, paper or metal foil. Models range from compact types for research, to systems for mass-production. They can be used to manufacture products such as packaging materials, capacitors and magnetic tape.


  • The substrate transfer system uses the latest winding control technology, ensuring stable transfer for every substrate material and size.
  • Induction heating, resistance heating, and EB heating evaporation sources are available. The optimum source for the application can be selected.
  • A wide range of pre- and post-process mechanisms are available to enable optimum process conditions.
  • Film thickness monitors for online measurement are available (transmission film thickness monitor, eddy current film thickness monitor, resistance value monitor, others)


  • Packaging materials, transparent gas barriers, gold/silver thread
  • Capacitors
  • Magnetic tape
  • Optical films


EWA Series EWE Series EWD Series
Application Packaging materials, gold/silver thread Capacitors
Evaporation source High-frequency induction heating Resistance heating
Substrate material PET, OPP, PVC, CPP and other macromolecular films, paper, metal foil, others
Substrate size (width) 3,000 mm max. 670 mm max. 670 mm max.
Winding rate 1,000 m/min max. 1,200 m/min max.
Film thickness distribution ±5% (varies according to deposition conditions)
Film thickness monitors Transmission monitor, eddy current monitor, contact-type resistance value monitor, others
Pre-/post-process mechanisms Substrate heating, AC/DC bombardment, RF bombardment, others
Main evacuation systems Oil diffusion pump, oil diffusion ejector pump

EWD Series


EWE Series


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