Ramon, You might be amazed at what cleaning crews use on the interior and exterior of aircraft. David A. Douthit Manager LoCan LLC Dehoyos, Ramon wrote: > 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 >----------------------------------------------------- > > > > --------------------------------------------------- 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 -----------------------------------------------------