Electronics Forum | Thu Jul 12 10:15:12 EDT 2007 | swag
I've got a proto build (3 boards) that has a Xilinx FG456 fine-pitch BGA on it. Every BGA pad on the PCB has an unmasked via attached. Between the via and the pad is a thin soldermask strip, maybe .005" wide at best. I am very confident it will br
Electronics Forum | Tue Sep 18 12:10:39 EDT 2007 | wailiang81
Hi, good day to all. This is my 1st question post in this forum. Hope able to share some knowledge here. As we know QFP area like 0.4mm pitch was a very critical area to control especially those PCB using silkscreen printing process manufactured. Onc
Electronics Forum | Sat Sep 22 02:14:08 EDT 2007 | mika
Another thing to make sure of and the vision calibration system will fail if this is out of range: Use a magnet foot stand micrometer and measure the spindle run outs. First remove the nozzles and nozzle adapters, then put the adjustable tip (I dont
Electronics Forum | Fri Sep 21 13:04:58 EDT 2007 | jmelson
Hello, Is anyone using an SMT pick&place machine to insert single contacts into PC boards? I have some boards that have 32 female contacts for 1mm pins, and 16 contacts for 0.5mm pins. I have been using Mill-Max for these contacts, getting the sma
Electronics Forum | Thu Oct 30 22:29:58 EDT 2008 | davef
For most applications, a nice square [or rectangle] pad works just fine. Assemblers ship boat loads of boards with these every day. It's reasonable for tight decoupling capacitor requirement applications to use round or radiused pads for components
Electronics Forum | Fri Oct 31 18:08:34 EDT 2008 | m79d
thank you both for the input ok so i understand the hole is on a 5mmx5mm center the pin seems to be 3mm. About 3mm of the board goes under the clamp rail so the tooling strip must be wider than 5mm as the fiducial also needs to be on it. Mark_m yo
Electronics Forum | Tue Jun 02 07:31:55 EDT 2009 | scottp
Early on when we started looking at BGAs we tried dipping. We've done it in production for a couple decades with flipchips. Dip fluxing BGAs worked fine in the lab but we ended up starting production with screen printed flux for cycle time reasons.
Electronics Forum | Mon Jan 25 00:56:38 EST 2010 | sparrow
Hello, Mydata p&p machines are built for high mixed and low/mid volume production, so if you talk about very low volume - no doubt, mydata is what you can use. You can consider 2 models for your application - MY100SX or MY100LX, depending on the min
Electronics Forum | Sat Mar 20 15:59:13 EDT 2010 | emanuel
I have a big problem in setting an smd inductor camera recognition. None of the existing options in the software version 0.99B sems to work. The part is a 6x6mm with chamfer corners of 1mm on each side, looking more as an octagon. Not only this, the
Electronics Forum | Thu Feb 17 09:35:16 EST 2011 | ravo
Hi everybody, I am here seeking your experience and asking your help, I want to update our SMT production line as I already hace FUJI CP6 and QP242 machines beside GL2 and oven our new product including 60 components 0402 (1mm*0.5mm ) and 2 BGAs w
