Joe, We use 5352R. They have others too which may suit your application better. They should be able to advise you on this plus required equipment. Regards, > ERIC > Do you know the the 3M part no# for this tape? I am very intrested to see > if > it help with a problem i have > > > > thankyou > JOE KEARY > > -----Original Message----- > From: Eric Christison [mailto:[log in to unmask]] > Sent: Monday, October 01, 2001 3:14 AM > To: [log in to unmask] > Subject: Re: [TN] Flex and Soldering > > > We attach a flex to a ceramic substrate using a hot bar BUT using a 3M Z > axis adhesive tape. > > The flex has very closely spaced pads and these were prone to shorting > when > we tried hot bar soldering. We also found the adhesive gave a stronger > joint > mechanically. > > However cycle time for hot bar - whether solder or ACF - is not that > good. I > would suggest about 1 minute per joint and it is done manually although > a > certain amount of automation is possible. > > One very large phone manufacturer told me the other week that they > absolutley loathe the hot bar process. A yield hit of 8% on a million > phones > a month gets your name in the corporate spotlights... > > Hope this helps, > > > > > Technet, > > > > Does anyone have any guidelines for soldering flex circuit directly to > a > > PWB? We currently connect it mechanically and with a connector, but > > were toying with the idea of direct solder attach. > > > > Any experience, do's and don't, especially horror stories, appreciated. > > > > Thanks......DT > > > > > > > > > > Eric Christison > > -------------------------------------------------------------------------- > -- > ----- > 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 the following message: SET > Technet NOMAIL > Search previous postings at: www.ipc.org > On-Line Resources & Databases > > > E-mail 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 > -------------------------------------------------------------------------- > -- > ----- > > -------------------------------------------------------------------------- > ------- > 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 the following message: SET > Technet NOMAIL > Search previous postings at: www.ipc.org > On-Line Resources & Databases > > E-mail 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 > -------------------------------------------------------------------------- > ------- > Eric Christison --------------------------------------------------------------------------------- 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 the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail 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 ---------------------------------------------------------------------------------