Electronics Forum | Tue Apr 12 22:23:05 EDT 2005 | Al
The way we do this, is to tape a transparent film to the PCB. The printers and chip shooters can read fiducials no problems. Once it has been run through SMT, simply remove the tranparency film and the PCB is ready for use, no mess no cleaning and yo
Electronics Forum | Tue Apr 12 10:18:31 EDT 2005 | Dan
I have one of these before our oven, and there is no way to control the speed of the belts. Checking their website produces nothing. We have the unit open, but nothing inside appears to be adjustable. Anyone know where I can find a manual for this? P
Electronics Forum | Tue Apr 12 12:13:52 EDT 2005 | John S
We are moving into fine pitch components. 64 pin QFPs and the like. We've chosen an ENIG pcb finish to help with flatness of the pads, but the pcb vendor has asked for a thickness specification. Can anyone provide a recommendation? It seems like
Electronics Forum | Wed Apr 20 08:06:21 EDT 2005 | davef
We'd reject the boards because: * Vacuum seal is punctured. * HIC is expired. One of the nice things about immersion coatings is that the fab can rework the coating. You cannot do that with other coatings. Finally, every HIC that we investigated c
Electronics Forum | Fri Apr 15 11:16:03 EDT 2005 | HOSS
It's a longshot but.....I have seen low-standoff parts move caused by via's under the part erupting from within internal layers (outgassing). If this is a multilayer PCB and vias are not well plated or pourus, they can and will expand when heated.
Electronics Forum | Mon Apr 18 09:52:36 EDT 2005 | pjc
FormFlex and the GridLok system will not work on a semi-automatic printer. They were designed for fully automatic machines. The print table is very shallow on the DEK 248, SMTechs and MPM SPM, UP100 and MicroFlex. DEK should have magnetic base suppor
Electronics Forum | Thu Apr 14 05:20:58 EDT 2005 | aj
All, I am considering trying out the above to try and eliminate some of my defects on the wave process aswell as reducing cycle time etc. Incase of unfamiliarity with what it is : basically there is a Solder Preform present on the Header/Connector a
Electronics Forum | Thu Apr 14 12:25:50 EDT 2005 | global
We currently have an old CCA assembly that a customer wants us to build but are unable to produce the gerber file or milars that were used to build them the last time. All we have are hard copies of the PWB drawing. Is there anyone out there that can
Electronics Forum | Mon Apr 18 11:18:27 EDT 2005 | dopoint
Established in 2000 for feeder manufacture , we will begin to set up own sales channel for replacement of original Fuji Feeder , Looking forward to establish business relationship with you directly. Based on our advanced product line and test li
Electronics Forum | Sun May 08 23:42:43 EDT 2005 | brianhuang
hi,Rob Our company also have some old machines GS1 & GS1+ and,our area service center can not support them,so we had to solve the issues we meet.Maybe we could exchange our experiences about this machine. By the way,I want to know which version are y