Is there any photo resist can withstand in 20HF of 85 degrees centigrade for several hours? If anybody knows it, please tell me. _____________________________________________ Ê×¶¼ÔÚÏß--ÖйúÈ˵ÄÍøÉϼÒÔ° http://www.263.net @263.netÖйú×î´óµÄÔÚÏßÓÊ¾Ö http://freemail.263.net