Hi Michelle, If you are looking for inner layer shorts, there is no need to de populate, Polar produces a low cost instrument called toneohm 950 which ise designed to locate inner layer shorts using non destructive techniques.. www.polarinstruments.com/products/toneohm/toneohm950.html Apologies for a commercial post, but its the right tool for the job... Kind regards Martyn Gaudion www.polarinstruments.com At 11:49 06/06/2002 -0700, you wrote: >Hi All, How do you de-populate a PWB board without causing too much >damage on the board's outer layer, that you can still measure the >resistance of all of the traces? I am looking for inner layer shorts on >the PWB. > >I heard you can de-populate a board by placing the loaded board into a >solder bath, and the components falls off automatically. Then, put the >board into an acid bath to etch off the solder on the surface of the >board. This method seems to etch out some of the outer traces. Do any of >you have suggestions to my assistance? Your help will be greatly >appreciated it. > > >Michelle > --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------