Electronics Forum | Wed Jul 22 20:46:13 EDT 1998 | Dave F
| Is there anybody with knowledge in the process with PHT components (Components with terminals) - Cause with make board with top and bottom side, with SMD and Auto Insertion Technology. So we want to do a Entire Cell with both technology, and witho
Electronics Forum | Sun Mar 31 22:50:28 EST 2002 | ianchan
Nope, we do not have solder beads, like we said, what we have are near perfect solder fillets except for the portion where the component is "floating OFF" the pcb pads. We are now mucking through the IPC-A-610C for specifications dictation on "tilted
Electronics Forum | Thu May 16 22:37:22 EDT 2002 | xzinxzin
anyone experience to solve the non-wetting on Microleadframe packages component terminal sides. 1)I test the components solderbility in dip and look test, in solder pot at 240 deg C,the wetting on the sides is ok. but I run on mass production in refl
Electronics Forum | Tue May 28 17:50:20 EDT 2002 | myu
Hi, Everybody! I'm looking for a High-Temperature Solder Paste / wire: "Pb93WROL140.71454";or "00Z890"; J-STD-006 Solder Alloys Sn05Pb93Ag02B Sn% Pb% Ag% Solid C Liq C Solid F Liq F 5.0 92.5 2.5 280 284 536 543 It should meet IPC/J-ST
Electronics Forum | Wed Jun 26 15:34:09 EDT 2002 | Daan Terstegge
It does work, but you must keep in mind that not only the stencil must be designed for it, but also the board. Trying to use the pin-in-paste process for a connector with an ordinary wave-solder layout will result in lots of touch-up. You'll need sma
Electronics Forum | Wed May 12 06:57:00 EDT 2004 | davef
You say you have lots of problems with a BGA, tell us about: * Specific problems you see. * Solder paste supplier�s recommended profile. * Temperatures measured on the problem ball[s] of the BGA during reflow. When you say �u1 BGA�, what do mean? W
Electronics Forum | Thu Jun 24 23:00:36 EDT 2004 | yukim
Tried with several lots of solder paste, manufactured in Feb and March this year. Work ambient: 25C, 60~70%. Is this humidity too much? I'll reduce the ramp in our profile. One change: We changed the conveyor motor in our reflow oven just before the
Electronics Forum | Sun Jul 04 19:49:05 EDT 2004 | indy
Hello Everyone, We are having some problem with Palladium-Silver surface finish. We have ceramic components with the above surface finish. When we try to assemble these on Sn/Pb solder, we are observing open joints. If we reflow the compt for more t
Electronics Forum | Fri Oct 01 13:37:27 EDT 2004 | rkevin
Well Thanks for all the good advise. Lots of different opinions on this one. I took the advise to contact my current supplier of solder paste. They sent in one of their tech people along with a sales guy and we ran without much trouble. Other than a
Electronics Forum | Mon Feb 07 09:03:15 EST 2005 | Chunks
This paste does tend to solder ball - but short of changing paste you can change your stencil to accommodate it. First, why 10 mils? Seems very thick. What size parts are your working with? Typically you can �homeplate� the R�s and C�s and this
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