hi usually 1A/sec is suitable if you want really good quality film. If for contacting pads, you can increase to 0.5nm/sec. best regards jiang ziling On 4/14/05, Andrew Xiangwrote: > What is a good evap or ebeam rate for depositing 1500A Al? > Is it better to go slow or fast?1-10A/s or 50-100A/s?