Jason: A very inexpensive way of measuring coating thickness can be done using a tool called a "wet film gauge". Once the viscosity of your coating formulation is established, typically verified with a Zahn cup, coat your board or sample and measure the thickness of the "wet"coating with the gauge. Allow the sample to dry, then re-measure the coating thickness with a micrometer. You should end up with a conversion table for your own coating which will basically show that when you spray 8 mils thick wet, you'll end up with 5 mils dry. The advantage to this method is that you can determine while coating your board whether or not you'll have adequate coating when finished. The use of an instrument to determine coating thickness after the coating is dry and cured may be too late too add or subtract coating from the board that you are spraying. Bill Kasprzak Moog Inc. > -----Original Message----- > From: Jason Gregory [SMTP:[log in to unmask]] > Sent: Tuesday, February 22, 2000 3:05 PM > To: [log in to unmask] > Subject: [TN] Conformal Coating Thickness Gauge > > Hello everyone, > > Can anyone direct me to the best way (or inspection equipment) to inspect > the thickness on conformal coatings? TIA. > > Jason Gregory > Production Manager > Electrospec > (713)784-4900 > (713)784-1194 fax > > ############################################################## > TechNet Mail List 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://www.ipc.org/html/forum.htm) for > additional > information. > If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or > 847-509-9700 ext.5365 > ############################################################## ############################################################## TechNet Mail List 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://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################