At 03:50 PM 9/13/99 -0700, you wrote: >Now people use CO2 lasers for this. Yag also. We've had a lot of this done for us (usually as ECO rework to pads). If only we could draw the s/m the way we actually want it delivered. :^) Dwight I've heard >of one shop who should be an expert by now on >this. Haven't seen it listed yet by an >outside service doing it tho.... Sure they >would if the price was right. > >Groovy >-----Original Message----- >From: Bob Vanech [mailto:[log in to unmask]] >Sent: Monday, September 13, 1999 6:48 AM >To: [log in to unmask] >Subject: Re: [TN] unmasking vias > > > John.. > In my previous life, we did LOTS of solder > mask removal with the "HIGH-TECH" X-acto knife ;->, > soldering iron and careful worker (no shaky hands). > Wasn't always easy, but a good tech did a very > presentable fix. Would quess most rework sub. would > do that, but have no cost info. Reliability should > not be an issue, but let the experts comment. We did > conformal coat our assemblies and never hear of a > problem with our removal techniqe. My $.02. Good > luck and have a great day. > > Regards, > Bob Vanech Bob > BVAN Enterprise >> hello everybody, >> >> I have run into a slight dilema, boards that we are building have several >> vias soldermasked that are needed for ict testing. This raises several >> questions: >> 1)Is it possible to remove mask from vias? >> 2)If so is this something that can be outsourced? >> 3)How much would it cost? >> 4)what are the reliabilty effects of doing this? >> >> thanks in advance. >> >> john koleszar >> [log in to unmask] >> >> ############################################################## >> 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 >############################################################## > >############################################################## >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 ##############################################################