This is very helpful, I appreciate your response as well as everyone else who has responded. Thanks again, Mike On Wed, 16 Sep 1998 04:34:08 -0700 Hoppa, Floyd wrote: > From: Hoppa, Floyd <[log in to unmask]> > Date: Wed, 16 Sep 1998 04:34:08 -0700 > Subject: [TN] Flux Measuring Techniques > To: [log in to unmask] > > One method we use for this measurement is a specially designed carrier > with (4) glass plates in slots held down by spring clamps. These plate > glass pieces are removable. The following steps are then taken: > 1) We will wash the plate glasses and pallet. > 2) Weigh the (4) glass plates separately and record the weight. > 3) Assemble the glass plates into the pallet. > 4) Run the pallet down the wave solder machine (chip wave and > wave bath are off) > 5) Remove the glass plates and weigh in the scale. Record the > data. > > The scale is measuring (or attempting to measure) micrograms. We use a > Ainsworth 1000 scale (which run approximately ($70,000). We will run > several tests to see if it is repeatable and consistent. > > Hope this helps. > > ################################################################ > 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 ################################################################