Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
We are building a monster ... Dimensions are 10" x 7" ... 12...
- Mar 21, 2001
by
Dennis S
Selective Laser Soldering?
Beamworks
and
Speedline Electr...
- Mar 22, 2001
by
CAL
I'm not familiar with Laser Soldering.
I don't believe it...
- Mar 22, 2001
by
Dennis S
What's the reality of the situation? Are you creating a spec...
- Mar 22, 2001
by
Michael Parker
I have a board with QFP240 plastic package exhibiting the sa...
- Mar 22, 2001
by
SBRgetsitdone
I have a board with QFP240 plastic package exhibiting the sa...
- Mar 22, 2001
by
SBRgetsitdone
In the end, we may have to go to our customer to see if we c...
- Mar 22, 2001
by
Dennis S
Our next plan of attack is to dog-bone the solder aperature....
- Mar 22, 2001
by
Dennis S
Hold off on the sharp knife for little bit. [Yano, I get "q...
- Mar 22, 2001
by
davef
Ah ha! ... You hit upon something that I discovered earlier ...
- Mar 22, 2001
by
Dennis S
Don't mess with the doggie stuff until you get longer pads [...
- Mar 22, 2001
by
davef
ah ... but we had insufficient heel fillets in the old desig...
- Mar 22, 2001
by
Dennis S
Consider posting actual measurements of your pads, component...
- Mar 23, 2001
by
davef
Can you increase the placement force on your P&P machine? It...
- Mar 24, 2001
by
Stefan Witte
The pads are 0.070 x 0.012 ... as spec'ed, and as measured. ...
- Mar 26, 2001
by
Dennis S
Two things:
1 IPC pad calculator is an excellent resource...
- Mar 26, 2001
by
davef
Have you a reflow oven that has upper and lower heaters?
...
- Mar 27, 2001
by
We have tried to adjust the upper and lower heaters. We hav...
- Mar 27, 2001
by
Dennis S
Dennis S