Electronics Forum | Mon Feb 11 21:57:12 EST 2008 | davef
While you're waiting for others to reply, search the fine SMTnet Archives to find things like http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=41292
Electronics Forum | Wed Feb 13 14:42:20 EST 2008 | stevek
I've been told that there boards out there where some components are recessed into the board to save on assembled height. Has anyone heard of this? I can envision making a build up PWB but it would be expensive and I'm not sure how you assemble it
Electronics Forum | Thu Feb 14 12:44:48 EST 2008 | operator
Don't worry about the paste print. Just omit it from the stencil. Mask over all the SMT components after reflow with water washable WSOL masking. Then run it thru the wave to deposit the solder. Then wash to remove masking. Or you could manually run
Electronics Forum | Thu Feb 14 21:24:20 EST 2008 | daxman
Thanks for the ideas! We're gonna try em all, I'll let you know how it turns out.
Electronics Forum | Fri Feb 15 04:34:42 EST 2008 | muarty
If you are certain that the Linear scale and reader is damaged, check out equipmatching.com there is one for sale on that.
Electronics Forum | Thu Feb 14 08:14:12 EST 2008 | davef
Questions are: * Do the BGA pads on the board take solder when you solder them by hand? * What is the temperature on the BGA pads during reflow? * What is the temperature on the other component pads during reflow?
Electronics Forum | Mon Feb 18 11:23:14 EST 2008 | operator
Have you contacted the manufacturer of the socket? They usually have some insight. I have heard of large BGA sockets being warped when they are received and flatten out during reflow. That is crazy to me, but there are people dealing with issues like
Electronics Forum | Thu Feb 14 11:09:36 EST 2008 | soudomphong
I am looking for the cheapest 904 Siemens nozzle. Anyone that know where to get them please advise, thank you,
Electronics Forum | Fri Feb 15 08:06:30 EST 2008 | davef
While you're waiting for others to reply, search the fine SMTnet Archives to find postings like this http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=50177
Electronics Forum | Mon Feb 18 09:48:40 EST 2008 | lococost
Thank you Mr Fish and Operator. All these machines seem to be manually controlled though. At least it gives me an idea of what is in the market.
