Electronics Forum | Tue May 12 16:04:24 EDT 2009 | microdot
hi, we have recently got a PS-400 BGA reflow from china. has hot air top heater, IR & hotair bottom heater and 6 IR bottom heaters. We are able to handle all type of desktop boards but in few of the laptop boards we still have problem. The profiles
Electronics Forum | Thu May 14 13:25:14 EDT 2009 | cyber_wolf
Me thinks generic profile + desktop and laptop computer boards= not happy time. Attach thermo-couple to appropriate location on said part/pcb. Make profile same as solder manufacturer / component manufacturer spec. There is no magic heater set poin
Electronics Forum | Tue May 19 14:54:47 EDT 2009 | c111
Do you have any OEM's or CM's or a local college that may have the equipment? could you hire them to come in and profile. SR Tech is correct you shouldn't poke and hope with profiles! Sounds like you are not hitting peak temps. if the above are not a
Electronics Forum | Tue May 19 16:33:56 EDT 2009 | stimpk
My 1st question before I can give you an idea or for one even post an idea. Unless I am reading this wrong , you are doing board repair/refurb? You are looking for an inexpensive way to do this repair while at the same time acheieving a proper reflo
Electronics Forum | Mon May 25 04:51:44 EDT 2009 | microdot
hi, we tried making a profile of a chip ATI 9000 mounted on a toshiba laptops, this is on a small pcb. the picture i have enclosed is used to remove the but when we tried to solder the chip using the same profile..it didnt work. Can anybody suggest
Electronics Forum | Fri May 15 15:09:03 EDT 2009 | pcbrookie
We recently added a 7-zone Heller, and have had a 5-zone Heller for quite some time. When the tech installed our new oven, we were told the new oven does NOT have the lifetime warranty on heaters and blowers. However, when we order parts for the ol
Electronics Forum | Wed May 20 07:51:42 EDT 2009 | Jeff
We have a GSM1 with version 1.4. The machine has the old VME chassis. So to upgrade the software (to use enhanced component setup) the VME chassis has to be upgraded. We had UIC in last year to look at this and they would upgrade the VME and software
Electronics Forum | Wed May 20 11:28:45 EDT 2009 | dilogic
Thanks Jeff, I know that UIC charges A LOT for such things, but there's a lot of second-hand hardware on the market (as well as spare boards) that can be used for the purpose. Regarding support, I am located in Europe, bought an used GSM machine, re
Electronics Forum | Tue May 19 08:20:10 EDT 2009 | Mity C
Good Morning, We are underfilling some of our BGA's. This is a specified customer requirement. The material we are using is Emerson & Cuming E-1216 (also specified by the customer) The material was selected because of a close CTE match with the PCB.
Electronics Forum | Fri Mar 19 10:02:44 EDT 2010 | karlo
There is a wide range of BGA underfills to satisfy specific needs. Some are designed for those who place a premium on high speed, high volume processing, shock or drop test perforamnce, and ease of reworkability. Others are designed for those who p
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