Electronics Forum | Tue Sep 14 09:13:34 EDT 1999 | Chris McDonald
| | | Has anybody have any experience with Top placement of BGA's. GLue descretes on bottom and then wavesolder.? | | | | | | | | | | | Hi Chris, | | Why don't you process a double side reflow and use selective wave fixture for wave process. T
Electronics Forum | Sun Sep 05 03:52:11 EDT 1999 | Brian
| We've noticed that there are many different recommendations for pad sizes for various SMT parts. This seems to vary wildly from manufacturer to manufacturer for the same case sizes. Is there any standards that can used used to specify these sizes
Electronics Forum | Fri Aug 27 10:25:52 EDT 1999 | Matthew Park
Is it feasible to have one type of board carriers to take boards thru 1) glue curing process for first side and 2)invert carriers with boards, and 3)reflowing second side, and 4) do manual stuffing of th components and 5) take them thru selective wav
Electronics Forum | Wed Jul 14 19:15:59 EDT 1999 | JohnW
| Can plcc's be glue on the a board if not why? | Ron, The biggest problem you have with PLCC's is the hieght of the base of the component from the board, if you can get a glue dot high enough then yes you could do it. Probably the best method is d
Electronics Forum | Tue Jul 06 12:45:28 EDT 1999 | JohnW
| I've heard that use of VOC free flux with wavesolder fixtures can be challenging due to entrapment of water in the fixture. | | Is anyone out there successfully running VOC free with wave fixtures & did you experience problems? If so, how did you
Electronics Forum | Tue Jul 06 13:02:41 EDT 1999 | John Thorup
| | I've heard that use of VOC free flux with wavesolder fixtures can be challenging due to entrapment of water in the fixture. | | | | Is anyone out there successfully running VOC free with wave fixtures & did you experience problems? If so, how d
Electronics Forum | Wed Mar 24 19:26:25 EST 1999 | Marc Ruggiero
| Hi Folks, | This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the botto
Electronics Forum | Wed Mar 17 19:58:00 EST 1999 | Marc Ruggiero
Hi folks, I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volume, and sometimes f
Electronics Forum | Mon Mar 01 15:29:16 EST 1999 | Chad Haima
| A rash of new products here at my company have designs with multi-pin connectors 90 out-of-phase (orientation)wiht respect to wave direction, which has lead to massive bridging (shorts) problems.... | | Does anyone still use the 45 Degree Pallet
Electronics Forum | Thu Jan 28 09:45:44 EST 1999 | parag
| | i am working with the noclean process and getting white residues on the bottomside of the board probably due to the | | wave soldering flux.i am using a no-clean solder paste and a noclean wave solder flux.The boards passed the accelerated tempe
