Electronics Forum | Tue Mar 09 23:34:35 EST 1999 | Clarissa Ortner
We are starting up an SMT line with a printer and convection oven.... The area we are considering for the printer is totally uncontrolled for humidity, temperature and even cleanliness. We are working on the filters to keep particulates down, but I
Electronics Forum | Wed Mar 10 09:52:22 EST 1999 | justin medernach
| We are starting up an SMT line with a printer and convection oven.... The area we are considering for the printer is totally uncontrolled for humidity, temperature and even cleanliness. | | We are working on the filters to keep particulates down,
Electronics Forum | Fri Aug 12 03:54:03 EDT 2005 | Mika
Does the pcba:s comes directly from the assembly line, You are going to do rework on? If faulty pcba:s comes back from, let say a customer from outside or the pcba:s has been on Your shelf for some days/weeks, exposed to open environment (humidity in
Electronics Forum | Tue Jan 30 01:06:51 EST 2018 | dgassier81
Hi, In our shop we've always baked out PCBs and moisture sensitive parts prior to electronic assembly using a gentle ramp rate of 2 degC/minutes going hot (93degC) and same ramp rate going cold (back to room temp). We're trying to outsource that pro
Electronics Forum | Wed Jul 10 14:29:27 EDT 2013 | isd_jwendell
You wouldn't have a very good profile if you went straight from room temp to vapor temp (_-). The chamber should preheat the board before using vapor to melt the solder.
Electronics Forum | Mon Jan 10 03:11:11 EST 2000 | Wister
Hi,how to control the solder paste,condition as belows? place at room temp.or put it into refrig.again if the unopened paste has been warmed up 8 hours but it would not been used at once in case of schedule changing.Assuming that this solder paste wi
Electronics Forum | Wed Feb 09 04:41:16 EST 2005 | dhanashekar
we are storge the soldering past as per the manufacture sefaction of arround 5deg before the using the paste we remove the paste from the storge and keep the paste in the room temp and then used. THANKS for the your soulation if ane other sulation pl
Electronics Forum | Thu Jan 18 08:31:09 EST 2007 | Jeff
Thanks. I will turn off the machine activated cooling and have the part cool down at room temp (no compressed air cooling). Can you recommend a good paste / tacky flux?
Electronics Forum | Wed Nov 16 14:57:57 EST 2011 | austinpeterman
Hello Don, We dont heat cure any of our assemblies. We coat relitively few boards and just let them cure at room temp. Perhaps we should start heat curing. In fact, we have an old, fully functional, heller 1500 just sitting in storage. Hmmm. . .
Electronics Forum | Fri Aug 30 11:20:17 EDT 2013 | jth
Hi, contact me at joe@zntechnologies.com. ZN Technologies offers warpage measurement at room temp and during reflow using the superior projection moire technique. Best regards, Joe
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