Can somebody tell me where I can get a supplier of SERA equipment? ______________________________ Reply Separator _________________________________ Subject: Re: [TN] ORGANIC COATING(PRE-FLUX) THICKNESS MEASUREMEN Author: "TechNet E-Mail Forum." <[log in to unmask]>, at corp Date: 2/15/98 8:13 AM At 18:43 14/02/98 +0800, you wrote: >Dear Taegon Lee , > > > It is actually quite simple . Dissolve the organic coating in alcohol , > ethanol and measure the coating thickness with spectrophotometer at a > particular wavelength recommended by the chemical supplier . Correlate > the reading with the mathematical calculation which I believe the supplier > would have . > > Thanks . > Just short comment : For such method You have to know the exact area covered by OSP . Beside of it , the result will be average , without differentiation between surface and PTH . We are using SERA equipment , but : the measurement is time consuming and we are not sure about corelation between this method and spectrophotometric method . Regards . Edward Szpruch Eltek Ltd - Israel Tel 972 3 9395050 Fax 972 3 9309581 E-mail : [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 ################################################################ ################################################################ 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 ################################################################