dear professor: I am a postgraduate student from Tsinghua Univ of China. I have a question to ask. Has a sputtered Ni layer a compressive residual stress? Then what is the usual value? Thank you for your help. yours truly Suyan Liu 2000.12.4 _____________________________________________ Ê׶¼ÔÚÏß--ÖйúÈ˵ÄÍøÉϼÒÔ° http://www.263.net @263.netÖйú×î´óµÄÔÚÏßÓÊ¾Ö http://freemail.263.net ÖйúÈ˵ÄÔÚÏß¹ºÎïÀÖÔ°¡ª¡ª263ÉÌ³Ç http://shopping.263.net ÍøÉÏÁôѧ×Éѯ-Öйú½ÌÓý·þÎñÍø http://edu.263.net/