>Date: Tue Jul 24 09:41:23 PDT 2007 >From: [log in to unmask] >To: technet <[log in to unmask]> >Subject: Copper Thermal clad PCB with Solder finish > > >We are currently doing lot of external heatsink PCB's with Aluminium heatsink which we hard anodize and we use polyimide adhesive for bonding of the heatsink. > >Now we have a requirement from one of our customers for a PCB with an external copper thermal layer with HASL surface finish even on the external copper. Anybody can suggest on the process to be followed for this. > >Will it be pcb > thermal plate > bond > HASL or > >Thermal plate > HASL > PCB >bond > >Also suggest what is the kind of adhesive to be used > >Rgds > >Pradeep Menon > >Pradeep.M >AGM - Customer Support >Micropack Limited >Plot#16, Jigani Industrial Area, >Anekal Taluk, Bangalore - 562 106 >India >Tel : 91 80 7825223 / 7825224 > > > > > > -- Pradeep.M AGM - Customer Support Micropack Limited Plot#16, Jigani Industrial Area, Anekal Taluk, Bangalore - 562 106 India Tel : 91 80 7825223 / 7825224 ------------------------------- Micropack Ltd, Bangalore, India !-- Virus-Free Mail Using AntiVirus for IQ Mail & QuickHeal Engine --! --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 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 847-615-7100 ext.2815 -----------------------------------------------------