Electronics Forum | Thu Jul 13 06:39:08 EDT 2006 | CL
Is it possible that the PCB is moving? First try an autoscan of the fids and then immediately perform a manual trim which will bring the camera over to where it found the fid. If it is on, there is an offset drift in your axis or the PCB is able to m
Electronics Forum | Thu Jul 06 12:52:35 EDT 2006 | samir
..and he can put the flux in and keep it a secret too from his customer.. RSS profile on wave?? I never heard of a soak zone for wave preheat...you may be burning off your activator..hence, the beads. For wave preheat, your main goal is to ramp up
Electronics Forum | Mon Jul 10 12:07:20 EDT 2006 | CKH
Hi Folk, if i have already mounted a BGA ICs with Missing BGA Balls onto the board, what will the Missing BGA Balls look like in X-Ray (2D & 3D).... A Big Void or will it look the same as other BGA Balls? Appreciate your advice. Thks & Rdgs CKH
Electronics Forum | Tue Jul 18 21:48:15 EDT 2006 | davef
We assume by "solder hole" you mean void. We believe void formation is driven by the thermal recipe that you've chosen to use. Search the fine SMTnet Archives for further discussion. There is a tremendous amount of current industry discussion on v
Electronics Forum | Tue Jul 18 05:39:25 EDT 2006 | rocko
Hello all, After lead-free reflow process of single side assembled PCB I have a problem with a tensile strenght of SMT transformers - I can rip the parts from the board very easily. There is very good component leads wetting (optical inspection)
Electronics Forum | Wed Jul 19 10:57:25 EDT 2006 | Rob
Depends on a number of things - such as type of oven, type of components, if you are washing the boards or not, etc. Assuming nothing special, no clean, I would try the following (in that order): Koki: S3X58-M406L Almit: LFM-48 Indium: 5.1 Cheers,
Electronics Forum | Thu Jul 20 07:40:56 EDT 2006 | ev
I have a TP11 UFP without the hydra option and have had difficulty keeping it running. The latest problem is a hardware iniation problem which in the past was a PAIB board failure which I replaced about one year ago almost to the day. Has anyone seen
Electronics Forum | Thu Jul 20 22:02:47 EDT 2006 | CKH
Hi Folk, i am wondering why they are Missing ELCap and ELCap being totally shifted out of the PCB Copper Pad during the SMT Reflow. Recently we have encountered some boards with the above mentioned symptoms. Appreciate if anyone could advise me. Th
Electronics Forum | Fri Jul 21 09:08:58 EDT 2006 | ahmedrehan
Hi, I want to setup new line for SMT assembly with used equipment. I am new in smt feild Please guide we want to do 10,000 boards / month size is 9X7 inch with 110 smd components. What should i look for in a machine. Thanks. Rehan
Electronics Forum | Fri Jul 21 13:15:58 EDT 2006 | russ
it is one of three things: 1. tape and reel done improperly from second source tape and reel op. doubt if OEM would or could do this. 2. Program is wrong in machine,or part data is bad and part is noted as nonpolarized, maybe and the machine then h
