Electronics Forum | Wed Sep 02 11:41:29 EDT 2020 | pradeep14
How to reduce the PCBA warpage issue after Reflow oven for 1mm PCB Thickness
Electronics Forum | Tue Aug 20 21:39:29 EDT 2019 | sssamw
6 mil (0.15mm) for the 1.13mm pitch BGA, and 4 mil (0.1mm) for the smal QFN with 0.4mm pitch.
Electronics Forum | Fri Feb 11 02:42:17 EST 2005 | marakas
Thank you very much for your answer. We had: 1- 224 pins, size 19*19 mm, pitch 0.8 mm 4- 48 pins, size 11*7 mm, pitch 0.75 mm 1- 160 pins, size 15*15 mm, pitch 1 mm 1- 196 pins, size 15*15 mm, pitch 1 mm How many defects I should expect with th
Electronics Forum | Tue May 14 16:59:24 EDT 2013 | leeg
Cheers again. So if the bga is 1mm thick and with the balls 1.3 mm thick I should set the component height at 0.9 to be sure of cotrectly centering on the body ?
Electronics Forum | Mon Feb 10 06:49:06 EST 2003 | bg
Specify a .1 mm diameter FHS with tolerance of +.3 -.1 using a .15 mm stencil.
Electronics Forum | Wed Nov 02 08:57:34 EST 2005 | russ
Don't have any graphics but they are relatively simple. 1. They do need to be put into the copper. 2. We usually use a 1mm circle but many other shapes and sizes are useable but I know that all machine will take a circle. 3. Maintain a keepout area
Electronics Forum | Wed Feb 06 16:05:24 EST 2008 | dphilbrick
At one point in time we were putting TI NanoStar parts on these particular boards. You don't want to attempt this at home! Thank God they took them off. Part was 1.45 X 1mm with 6 .1mm balls. They were a pain in the A$$. We had about a 90% success ra
Electronics Forum | Tue Apr 01 17:14:11 EDT 2008 | aj
Hi, We only have 2 lines , but I dont allow any of the Ops to set them up, I did once and winded up with 10 damaged nozzles and cracked caps on the boards ... If the problem is as big as you say it is , you should really spend some time setting it
Electronics Forum | Wed Jan 29 10:23:24 EST 2014 | alphatronique
Hi i have strange issue on one of my TM8FC feeder feeder seem to have 0.5 to 1mm longer that my other feeder on image above have 2 side by side picture was take on same machine slot ,and both feeder have same part separation clip i even swap cl
Electronics Forum | Mon Sep 30 09:12:18 EDT 2013 | rgduval
1 mm, recommended inspection range is from 1.5X to 3X magnification. For verification of rejects, 4X magnification is recommended. Cheers, ..rob
