Hi Jon, e-beam is the best one but the adhesion between some metals and polymers is weak. Therefore it's better to deposit a thin interface layer such as chromium (10 nm) or titanium. Mohamad. Selon Jon Fox: > I'm using resistive evaporation to put down various metals onto SU-8 and > onto plastic substrates and am seeing significant sample heating which > seems to be causing as little as some reflow or as much as unidentified > hazy thin films around the sample. > > I will be trying to move my metal source (resistive canoe) away from the > sample to alleviate this, but I was wondering what the preferred method > of depositing metals onto polymers was: resistive, e-beam bombard, or > sputtering?