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
Electronics Forum | Wed Aug 09 19:14:15 EDT 2006 | Board House
Our Manufacturing policy regarding welds is as follows. 1) Inner layers - depends on Core thickness and line width. Our shop will not do any welding on core thickness less then 5 mils. or line width less then 5 mil. Good AOI practices reduce the a
Electronics Forum | Sat Aug 12 20:47:50 EDT 2006 | Efren
Hi Guys, A few months ago I posted a question about a New Assembly Line, and It was great the answers I received. Now I would like to have an additional advise, to complete the requirements of my financial. We expect to install approximately 6 Pick
Electronics Forum | Fri Aug 18 00:23:21 EDT 2006 | umar
Hi SWAG/Rush/Steve, Thanks for your response, Currently I am running with 811 lead paste. Actually this problem not only effect for one assy. I got 700 models runing at my company, but almost 50% of the model I have problem with solder balls issue.
Electronics Forum | Sun Aug 20 02:31:18 EDT 2006 | daxman
Last week, when we turned on our IP3, we received an error on our IP3, which read "Fatal Error with VP Turn Power Off" We had been running product the day before, and the day after we received this error. The function keys are locked and will not w
Electronics Forum | Fri Aug 25 07:38:12 EDT 2006 | CL
Hi CP, I used to work for a flex circuit manufacturer. I am at a CM now and am we have started building RoHS production status assemblies. I personally think flex circuits will have a difficult time with the required temps for RoHS. I spoke to someo
Electronics Forum | Mon Aug 28 18:16:17 EDT 2006 | fastek
Sure Base....go ahead and trust your company's livelihood to make money on a vendor that is either going out of business or is on the block to be sold. These are not cars or luxury items of convenience we are talking about here. In many if not all c
Electronics Forum | Wed Aug 23 08:08:25 EDT 2006 | aj
There are a few variables that you have to consider : 1. Hours available on Wave Machine ( are other products going thru the same wave) 2. What beat rate are the boards being supplied from previous station?i.e. do you envisage the waveto be a bottl
Electronics Forum | Thu Sep 07 07:38:14 EDT 2006 | travis1977
I have experience programming and using the yestech system in a high volume high mix environment. The system seemed to work well until I used a more sophisticated system. When I changed jobs and had another opportunity to spec. in paste and post-r
Electronics Forum | Tue Aug 29 07:40:20 EDT 2006 | CL
Good Morning SWAG, We have the same situation. We have found that for the most part, bottomside components do not move from thier location durring reflow unless pressure is applied. We have had instances where the component is able to drop down into
