Electronics Forum | Tue Mar 15 12:20:47 EST 2005 | Material Man
The use of nitrogen in lead free wave solder operations is primarily used to reduce or even eliminate drossing of the solder, thus improving solder yield. The higher priced lead free solder makeup (Cu, Ag) make this a more economical proces than the
Electronics Forum | Tue Mar 15 17:58:56 EST 2005 | darby
Mat, Are you sure you should be using SnPb HASL boards if you are doing prep for lead free? If you aren't actually going to comply with RoHS then fire away. Nearly all of our assemblies are now ENIG and as any re-design comes up on a HASL board it is
Electronics Forum | Fri Apr 01 04:51:53 EST 2005 | dougs
I think what Russ is getting at is that the granite table is used for it's flat surface to aid in measurement, the flat surface helps to measure heights very accuratly. If you add another surface on top of that then you lose what the granite surface
Electronics Forum | Fri Apr 08 05:22:47 EDT 2005 | Bored
The light events are: Red - Alarm - Indicates that an alarm exists.This also occurs when the emergency power stop button has been used to stop the belt and turn off heater power. Orange - Alert - Indicates that an alert condition exists. Green - R
Electronics Forum | Mon Apr 18 12:52:41 EDT 2005 | paulhaines2000
Try this - it's for a UP3000 but might work for you... Operator � no password Supervisor � mpm2 Maintenance � mpm3 Manufacturing � mpm4 Field Service � mpm4 1. To change or view codes, �esc� from program and go into DOS. 2. Type �cd\ULTRA\CONFIG�
Electronics Forum | Sat Apr 23 19:31:25 EDT 2005 | molosse21
Hi, Is there a solder paste alloy espacially done to solder components on a pcb gold plated ??? I am using the AIM 297DX SN63/PB37 no clean and i had a comments from my customer telling me that i am not using the right alloy. Personally i never he
Electronics Forum | Fri Apr 29 15:56:01 EDT 2005 | steve
You never mentioned the size of the board? You will find a vast array of pre-heaters with a range of prices. I could reccoment a few products based on the size of the board in question. The solder iron staying at temperature while not being used is a
Electronics Forum | Tue Apr 26 16:56:23 EDT 2005 | stepheniii
Is anyone using any NanoStar components from TI? It looks like we might be building boards with some soon. We have put down 0201's successfully. But these are a whole other ballgame. They are 0.9mm by 1.4mm with 5 or 6 balls on the bottom. Would thi
Electronics Forum | Tue Apr 26 18:23:30 EDT 2005 | russ
How does your machine recognize the part? Does it use vision for ball inspection or a just a body scan? What is the aperture size on the stencil? Have you calculated the area ratio? What is the aperture shape? What type of paste are you using? is
Electronics Forum | Wed Apr 27 07:16:40 EDT 2005 | jdumont
Thanks a lot guys. The part dims are in mm by the way. So last night i was looking at the .pcb file and saw that the pad size and stencil are both .013" while the ball on the BGA is .018" (sorry for switching from metric). Is this ok or can i have en
