<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">Hi, hope you are having good days, </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">this is Haghighi, working on metallization by a PVD, using thermal and Ebeam evaporation. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I have some issues choosing the right liner for Ni Ebeam evaporating, hope you find time to guide me through it. </div><div dir="ltr" data-setdir="false">We have tested graphite, glassy carbon coated graphite, Al2O3, Mo, W and Cu liners so far. </div><div dir="ltr" data-setdir="false"> Graphite liner just broke after first run from the border line of Ni surface. <span><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;">Glassy carbon coated graphite was more or less the same,</span></span></div><div dir="ltr" data-setdir="false"> Al2O3 endured for 4-5 runs before breaking but there were cracks on it, </div><div dir="ltr" data-setdir="false"> Mo liner totally melted and some kind of alloy was produced,<br></div><div dir="ltr" data-setdir="false"> W and Cu endured but their internal walls were some how melted and we can't be sure about pureness of evaporated Ni and final produced thin films.<br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">do you have any other suggestions? </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">high voltage: 6.1 KV</div><div dir="ltr" data-setdir="false">emission current: 3 - 5 A</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"> <br></div><div dir="ltr" data-setdir="false">Thanks for your time and attention in advance, I hope you kindly find time and consider replying me, </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Dr. Haghighi</div><div dir="ltr" data-setdir="false"><br></div></div></body></html>