Electronics Forum | Thu Feb 15 07:47:12 EST 2007 | zanolli
1" long SMT components to be placed without coplanarity issues> Also, what types of finishes are common for the flex;i.e, ENIG, immersion Ag, etc.?
Electronics Forum | Thu Feb 15 11:08:38 EST 2007 | Rob
http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=7346Message30474
Electronics Forum | Fri Feb 16 05:16:42 EST 2007 | Rob
Hi Vshan, Have more pallets made, and don't stack them - lay them flat on a trolley and move them back to the start of the line.
Electronics Forum | Tue Feb 20 20:44:22 EST 2007 | vshan
Hi Rob Good Day!!! yes im aware that more pallets will help. What im trying to do is that with the current pallets any other way of cooling the pallet pls let me know rgd vshan
Electronics Forum | Mon Dec 20 19:09:54 EST 1999 | Chris
If your flex circuit is only populated on one side, you can have the PCB vendor palletize the flex for you. What you do is have the flex circuit laminated to 062" FR4 using a thermoset adhesive like Dupont WA. Standard flex circuit adhesive. Howev
Electronics Forum | Thu Feb 15 21:59:09 EST 2007 | vshan
Hi Jim Good Day yes we are using a pallet bottom support as well as top cover. The top cover are design such a way that the solder paste area is open. the type of solder is lead free type(Avantec-ecorel free) in one panel consists of 28 parts and e
Electronics Forum | Thu Feb 15 08:34:50 EST 2007 | rgduval
Jim, In a previous life, we built some flex circuits for a customer. The configuration was a flex cable, with a circuit at one end of it. We had fixtures made out of the same material that we had selective wave solder fixtures made from. Cut an i
Electronics Forum | Thu Feb 15 20:27:11 EST 2007 | vshan
Hi Chris Good Day!!!! well we are running flex panel(150x270) with one connector(3 pin legs both sides) insert. Each panel consists of 28 parts and its used for disk drive industries. We are having a pallet to support with the top cover design such
Electronics Forum | Tue Feb 20 20:40:03 EST 2007 | vshan
Hi Chris Good day!!! could you please let me know what kind of basket yu r using. Currrently we are using 30 by 40cm stainless steel carrier. Top n bottom design with square type. The area of connectors are open so that the water hits the connetor d
Electronics Forum | Fri Feb 16 06:47:38 EST 2007 | CL
vshan, We were using pallets (delmat with cavities for the flex) We put stips of double sided Kapton tape in the critical areas. The tape held up to the heat and kept the circuit flat for the QFP's and BGA's. We based our assembly process for this c