Josh, Is the oxide copper oxides? Richard -----Original Message----- From: [log in to unmask] <[log in to unmask]> To: [log in to unmask] <[log in to unmask]> Date: Wednesday, October 28, 1998 2:40 PM Subject: [TN] Oxide process controls >We use oxide weight gain as a process control on our oxide line. Recently, it >has been suggested that I consider using oxide peel strength tests as some >sort of process indicator. It has also been suggested that SEM's of the oxide >surface would be helpful in some way. > >I have always thought that SEM's were good for looking at oxide growth >structure, but not for thickness or anything else. I have the following >questions: > >1. Is anyone using SEM's of oxide surface for a regular process >control/indicator? What are you looking for in a SEM? > >2. What peel strength should I expect to see from a non-reduced oxide in a >polyimide application? I've always thought that anything over 1 lb/inch was >good. Is there some industry spec or standard for polyimide peels (oxide)? > >Thanks, > >Josh > >################################################################ >TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c >################################################################ >To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: >To subscribe: SUBSCRIBE TechNet <your full name> >To unsubscribe: SIGNOFF TechNet >################################################################ >Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. >For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 >################################################################ > > ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################