Electronics Forum | Mon Dec 28 14:59:36 EST 1998 | Earl Moon
| How does flux residue effect the quality and reliability of the board. This is part of our spray fluxer evaluation. One of the our concerns is spots of residue on the bottom side. Any input or reference to links on web will be greatly appreciated.
Electronics Forum | Mon Dec 28 08:46:25 EST 1998 | John
Last week we soldered our first defect free surface mount prototype. We installed a rotary chip wave on our Econopak, and those things work great! Thanks to all for your input(Chrys,Pete, etc....). Hope all of you had a great Christmas, and best
Electronics Forum | Tue Dec 22 10:59:20 EST 1998 | John Watt
Folk's, I'm in need of some help / direction. I'm working on my thesis for a masters based on looking at the effect's of the solder resist promoting / reducing the amount of solder ball's during wave. I'm looking at thing's like colour, texture, com
Electronics Forum | Tue Dec 22 13:56:20 EST 1998 | Michael Allen
Yes, you can adjust the board clamp speed by adjusting the flow control valve on both air cylinders (front and rear). You may also want to adjust the software delay for the conveyor so that it starts after the board is completely lowered. | Once
Electronics Forum | Fri Dec 18 00:49:43 EST 1998 | Mr Mariscal
I have been developing a BGA Process and are having problems with a 310 IO PBGA reflowing. I am achieving good wetting exept 2 to 5 balls on the outer perimeter I have a good profile my air flow is set per mfg spec, the strange thing is that it does
Electronics Forum | Fri Dec 18 00:48:35 EST 1998 | Mr Mariscal
I have developing a BGA Process and having problems with 310 IO PBGA reflowing. I am achieving good wetting exept 2 to 5 balls on the outer perimeter I have a good profile my air flow is set per mfg spec, the stange thing is that it does not happ
Electronics Forum | Thu Dec 17 19:00:14 EST 1998 | Brian Steelglove
Does anyone out there have one we are currently looking at one from a used equipment dealer and would like to know how they work? Good or bad for SMT? Good or bad for high volume Thrue Hole? Thanks Again, Brian Steelglove American Precision Electr
Electronics Forum | Thu Dec 17 19:44:04 EST 1998 | Dave Kalen
| What is the CPH for Universal/Sanyo chip shooter? Spec. needed only. Thanks | Mike, just like the rates that Dave F said, the tact times of the newer Sanyo/UIC machines is .1 or 36000cph. Because of the Direct Drive head, we have little derate so
Electronics Forum | Tue Dec 15 23:20:44 EST 1998 | Dave
| Hello everybody: | somebody know about the formula to calculate the span for a particular component thougth hole, or an specific place where I can find this information. I have been looking at IPC manuals but I didn't find anything. | | any advise
Electronics Forum | Mon Dec 14 12:02:59 EST 1998 | Greg
I have only used two global fiducials except for paneling. The only time I have ever used local fids is when I have a placement problem then I have activated the local fids for that specific part. Your best bet would be to ask Fuji America.
