Electronics Forum: high reflow temperature (Page 1 of 245)

Omniflo 5 high temperature warning

Electronics Forum | Thu Sep 04 02:43:09 EDT 2008 | benefon

Thanks This error only occurred with one oven profile with the reflow zone temperature set at 270�C. Perhaps it really has to do with the exhaust pull as the oven is operating very near its temperature limit with this profile. I will check that. Tha

high temperature solder alloy

Electronics Forum | Thu Oct 07 14:40:31 EDT 1999 | Carol Zhang

I have a board, 4 spacers needed to be soldered on the board first with the normal 62Sn37Pb alloy. Then, capacitors are manually soldered on the boards. The density of the board is quite high. If we wave soldered capacitors first, there will be no p

Solder reflow temperatures too high

Electronics Forum | Thu Jan 11 22:01:09 EST 2007 | davef

Joe: I know this is not the correct forum to post chip "reworking" questions. Reply: Rework questions are as appropriate as the next topic here on SMTnet J: BGA will not reflow at any normal temperature level. I believe these chips may have been gen

Solder reflow temperatures too high

Electronics Forum | Sun Jan 14 12:42:35 EST 2007 | SMTRework

I think the main cause of this condition is #3 because both #1 and #2 never change from board to board, these are identical boards with identical BGA revisions. These BGA's (as stated before) are about 3 years old.. I don't believe they are lead free

Solder reflow temperatures too high

Electronics Forum | Thu Jan 11 16:01:52 EST 2007 | russ

You using lead free BGAS now? What is your rework equipment and process? I am sure we can help you out here with some more detail, you should get the package data sheets for your problem BGAs and determine ball alloy or they may even be CCGA packag

Solder reflow temperatures too high

Electronics Forum | Sun Jan 14 12:48:53 EST 2007 | SMTRework

Also, I was beginning to think that the humidity level in the facility was a factor.. but I don't believe that's the case.. as this condition seems to occur regardless of the humidity level.. Equipment being used is as follows.. Metcal BGA 3500

Solder reflow temperatures too high

Electronics Forum | Thu Jan 11 09:19:56 EST 2007 | SMTRework

I know this is not the correct forum to post chip "reworking" questions but you guys have been very helpful in the past. My question is this, when we rework BGA components most of the time the solder reflows at a normal temp and all is well. On occ

Re: high temperature solder alloy

Electronics Forum | Thu Oct 07 15:39:59 EDT 1999 | Carol Zhang

| I have a board, 4 spacers needed to be soldered on the board | first with the normal 62Sn37Pb alloy. Then, capacitors are manually soldered on the boards. The density of the board is quite high. If we wave soldered capacitors first, there will b

Omniflo 5 high temperature warning

Electronics Forum | Tue Sep 02 13:35:29 EDT 2008 | evtimov

Hi, I don;t thing there is an overtemperrature sensor. Just the thermocpouple returns a higher temp(voltage) to the controller and your software goes to alarm, cooldown or what ever it does. Emil

Re: high temperature solder alloy

Electronics Forum | Fri Oct 08 16:48:57 EDT 1999 | Dave F

| I have a board, 4 spacers needed to be soldered on the board | first with the normal 62Sn37Pb alloy. Then, capacitors are manually soldered on the boards. The density of the board is quite high. If we wave soldered capacitors first, there will b

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