Electronics Forum | Tue Feb 13 05:11:58 EST 2018 | ameenullakhan
Hi, We are using 10+2 reflow oven ( BTU Pyramax 150 ). We have tried with short TAL ( RTS profile too ). As of Now we are using the attached profile, which has given us lot better results. But the issue is not eliminated. Thanks
Electronics Forum | Tue Feb 13 06:43:39 EST 2018 | ameenullakhan
Attached is one more profile we have tried with high reflow time. The issue with before and this profile is reduced a lot. But not eliminated.
Electronics Forum | Wed Feb 14 02:08:40 EST 2018 | ameenullakhan
Hi Sweetoldbob, Thanks. We are using SMQ92J solder paste ( Sn63/Pb37 ). We are on higher side of reflow time for leaded paste. Regards, Ameen
Electronics Forum | Thu Feb 01 12:22:26 EST 2018 | davef
When you talk about baking, I get the impression that you're talking about boards. Are you components dry also?
Electronics Forum | Fri Feb 02 02:05:49 EST 2018 | ameenullakhan
Hi Davef, Yes we have tried few component for cold baking for around 7 days around 50 to 60 deg C.
Electronics Forum | Wed Feb 14 11:22:27 EST 2018 | ameenullakhan
Its Contract manufacturing BOB. we need to prove component have a problem. If we need to change the manufacturer approved by customer
Electronics Forum | Wed Feb 14 04:48:58 EST 2018 | ameenullakhan
The profile I have shared is for SMQ92J leaded solder paste
Electronics Forum | Fri Feb 09 18:54:49 EST 2018 | duchoang
Can you share the oven profile? For me it looks like the profile has fast ramp up and short TAL period. How many zones the oven have?
Electronics Forum | Fri Feb 09 13:28:24 EST 2018 | jmedernach
Pin holes in the solder joints on various devices can be an indicator of something amiss with the solder paste itself. Solder paste storage may be a concern. Do you possibly have someone putting paste back in the refrigerator after use? Are you tr
Electronics Forum | Thu Feb 01 05:06:46 EST 2018 | ameenullakhan
Hi Rob, Thanks for your reply. Our customer don't need any pin hole in his board. Attached is the image for your reference. The issue is minimized for us with hot profile ( 80 - 100 sec in between 170 to 180 deg C ) For leaded paste. Lead free pa