Hi David, I can't tell you the actual specifications, but we use 17 Meg. DI for dicing operations. I have seen it drop to as low as 15 Meg. DI. This is wafer on the expand sheet. Hope this helps, Mike David D Hillman wrote: > Hi TechNet - I am looking for info/opinions/etc. to the following question: > > What level of resistivity (e.g. 2 Megohm,or 18 Megohm) of water do you > suggest using or have had success using for wafer sawing operations for > both silicon and GaAs materials? > > Dave Hillman > Rockwell Collins > [log in to unmask] > > ################################################################ > 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 web site (http://jefry.ipc.org/forum.htm) for additional information. > For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 > ################################################################ -- /\ _\/_ /_/\_\ Mike Masters QA Materials Engineering Section Office: (919) 479-3771 FAX: (919) 479-3328 Internet: [log in to unmask] ################################################################ 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 web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################