Thanks for the correction. Ramon > -----Original Message----- > From: Crepeau, Phil (Space Technology) > Sent: Tuesday, March 09, 2004 10:44 AM > To: Dehoyos, Ramon > Subject: RE: [TN] FW: [TN] Pros and Cons on Type UR vice Type AR Conformal Coating > > i think you meant type ar not ur. > > -----Original Message----- > From: Dehoyos, Ramon (NG) > Sent: Tuesday, March 09, 2004 6:08 AM > To: [log in to unmask] > Subject: [TN] FW: [TN] Pros and Cons on Type UR vice Type AR Conformal > Coating > > > One of the disadvantages of UR coating is that it will not withstand > solvents. Besides boards in aircrafts that might be closed to the fuel > tank or in automobile engine compartments, most boards are not in proximity > to fuels, acetone or alcohol. So UR is plenty good. It saves a lot of boards > from being damaged during rework due to the simplicity of removal. > Regards, > Ramon > > > -----Original Message----- > > From: Dehoyos, Ramon > > Sent: Tuesday, March 09, 2004 8:15 AM > > To: [log in to unmask] > > Subject: Re: [TN] Pros and Cons on Type UR vice Type AR Conformal > Coating > > > > One thing to know is that AR can be coated to patch UR but not the > > other way around. Patching AR with UR creates a mix that takes too long to > > dry, stays soft. So to switch from UR to AR is recommended. > > Regards, > > Ramon > > > > > -----Original Message----- > > > From: - Bogert [SMTP:[log in to unmask]] > > > Sent: Monday, March 08, 2004 4:55 PM > > > To: > > > Subject: [TN] Pros and Cons on Type UR vice Type AR Conformal > Coating > > > > > > As a Class 3 customer we are considering mandating transition from Type > UR > > to Type AR conformal coating, to make it easier to replace failed > > components. Are there any Class 3 users of Type AR coating? What is > track > > record for using Type AR? Are there any compatibility issues with certain > > types of solder masks? Any input you have would help. Another advantage > > with AR would be for returned equipment. The OEM could remove all the > > coating from an assembly using alcohol, then perform > > > --------------------------------------------------- > > > Technet Mail List provided as a service by IPC using LISTSERV 1.8e > > > 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 or (re-start) delivery of Technet send e-mail to > > [log in to unmask]: SET Technet NOMAIL or (MAIL) > > > 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/contentpage.asp?Pageid=4.3.16 > > for additional information, or contact Keach Sasamori at [log in to unmask] or > > 847-509-9700 ext.5315 > > > ----------------------------------------------------- > > > bed-of-nails testing to quickly identify failed components. > > > > --------------------------------------------------- > > Technet Mail List provided as a service by IPC using LISTSERV 1.8e > > 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 or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > > 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/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] or > 847-509-9700 ext.5315 > > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 1.8e> > 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 or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 > ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e 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 or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------