Hi, First you need to deposit a conductive seed layer (Cr/Cu or Cr/Au) inside these trenches for electrical contacts.After that you can start the process. You can choose pulse reverse electroplating as standard process. Pradeep On 8/24/05, J.J wangwrote: > Hi, Everyone, > I am planning to electroplating copper on my mems > device. The copper needs to fill up trench of 10 micon > deep and 20 to 50 micron wide. > > But I have no prior experience of eplating. Can anyone > give me some idea about how to setup the equippments, > perform the procedure. > > Right now I have EPI E-Brite-Ultra Cu solution in > hand. > > Any suggestion will be highly appreciated. > Thanks.