Electronics Forum | Thu Aug 10 05:53:10 EDT 2000 | pascal MATHIEU
hello everybody , i am looking for the elementary caution you need to take when you reflow large board with several thousands of smt components . thank you for your advise
Electronics Forum | Thu Aug 10 21:59:14 EDT 2000 | Dave F
Pascal: Two elementary cautines are: 1 Don't dump the board before the reflowed solder is cooled. 2 Try to manage the side to side temperature variations in your oven. I wouldn't be surprised to see 5�C variation. Good luck
Electronics Forum | Sat Feb 06 16:28:09 EST 2010 | mystkldy
I have some large ROHS SMT inductors that are moving during the reflow process. I have tried adding extra solder, gluing and doing both. I don't know what else to try, any suggestions?
Electronics Forum | Sun Feb 07 10:41:16 EST 2010 | davef
Makes us wonder how well the connections on the component match with the pads on the board.
Electronics Forum | Mon Feb 22 10:21:58 EST 2010 | mystkldy
We did the firt 2 with no luck.
Electronics Forum | Mon Feb 22 10:01:01 EST 2010 | jtsyeung
Since the inductor is electro-magnetic, that means the device is composite of coil and ferrite metal. The inductor inside the reflow oven meets with blower motors which close to the inductor and generate magnetic field. With such conditions, Lawren
Electronics Forum | Sun Feb 07 11:56:05 EST 2010 | mystkldy
Makes us wonder how well the connections on the > component match with the pads on the board. The pads are actually larger than the leads on the part, but I think we may have figured it out. We believe the conveyor vibration is causing it. When we
Electronics Forum | Tue May 04 10:59:23 EDT 2004 | Evtimov
Hi, It depends of your boards(are they for SMD or not) and how many boards you assemble. The process at all is like that: 1.Stencil printer - to adjust the paste 2. Pick and place machine(for your quantity) 3.Reflow oven Theese are the machines you
Electronics Forum | Wed Jul 13 14:50:29 EDT 2005 | rameshn
Dear Sir, We are manufacturing Computer Motherboards & Networking products (which are having 2 to 3 BGA Chips onboard) in our plant. we are having 2 nos of HELLER 1800W model Reflow Ovens. this model reflow oven is having 9 heating zones at both top
Electronics Forum | Wed Nov 15 15:51:21 EST 2006 | RJ K.
I have been looking into buying a rework station like ERSA or PDR. What I am questioning is how well will these systems reflow BGA's with metal top/cover that are reflective. In addition, when preheating the board would dark body packages absorb te
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