Electronics Forum | Fri May 21 15:23:24 EDT 1999 | JohnW
| | Has anyone had any experience or data using vibration during the reflow process. | | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process work
Electronics Forum | Thu May 20 22:42:19 EDT 1999 | Dave F
| hi everybody, | We've been doing some studies on assembly of CSPs. We assembled these packages on micrivia-in-pad patterns. These are 15/13.5/11 mil pads with 6 mil design microvia, using photo/laser/plasma tech. We are seeing voids, as big as the
Electronics Forum | Wed May 19 14:09:29 EDT 1999 | JohnW
Wendy, I've done this before using a machined piece of FR4 material to hold the board (machined like a DEK plate )in place at the press . It ensures that the boards are alway's in the right place and that none of the components are damaged..also sto
Electronics Forum | Fri May 14 13:42:21 EDT 1999 | andy blair
I am currently an employee of Cabeltron Systems in Ohio. Our manufacturing divisions have been outsourced to Celestica, strictly a business deal. No hard feelings there. Our building is located in Southern Ohio and will soon be vacant with 300 people
Electronics Forum | Thu May 20 10:09:16 EDT 1999 | Eric Maddy
| I am currently an employee of Cabeltron Systems in Ohio. Our manufacturing divisions have been outsourced to Celestica, strictly a business deal. No hard feelings there. Our building is located in Southern Ohio and will soon be vacant with 300 peop
Electronics Forum | Fri May 14 18:29:26 EDT 1999 | Earl Moon
| Hi Guys, | | I am going to be graced with the good luck of processing microBGA's in the near future. A bit of a step forward from printing 20-mil pitch and wave soldering 0805's, wouldn't you say? | | So, any of you folks who have already experi
Electronics Forum | Fri May 14 16:08:38 EDT 1999 | Chrys Shea
| | | | | I am looking for anyone who has converted over to VOC Free flux. I need some info on any problems, etc. that you might have had. | | | | | | | | | | Please E-mail me at wes.ruggles@vickers-systems.com or call at (513) 494-5229 | | | | | |
Electronics Forum | Wed May 12 10:38:51 EDT 1999 | Glenn Robertson
| We are currently looking at purchasing some BGA rework equipment. Could someone give us the pro's and cons of IR heating (top/bottom)vs. hot air convection ? | All other tips are also welcome. | | Thanks | Philip, My experience is primarily wi
Electronics Forum | Tue May 18 03:03:34 EDT 1999 | Philip B.
| | We are currently looking at purchasing some BGA rework equipment. Could someone give us the pro's and cons of IR heating (top/bottom)vs. hot air convection ? | | All other tips are also welcome. | | | | Thanks | | | Philip, | My experience i
Electronics Forum | Mon May 10 15:17:37 EDT 1999 | C.K.
| If I clean my assembly and find no visable contamination with the unaided eye, do I need to do cleanliness testing prior to conformal coating? | More than likely, you're okay if you can't see any contamination with the unaided eye. However, the
