Parts & Supplies | Chipshooters / Chip Mounters
Below are original smt yamaha spare parts(group 2) in China and will be disposed at a very cheap price,contact louis@smt-machine-parts.com to get a quotation: P/N: KV7-M1349-00X Des: PLATE 2 NUT 4 P/N: KV7-M1349-00X Des: PLATE 2 NUT P/N: KV7-
Electronics Forum | Sun Oct 27 10:22:43 EDT 2013 | davef
UV Nd:YAG Laser--> Excimer Laser: An increase in system capabilities & ablation quality * CO2 Laser-->UV Nd:YAG Laser--> Excimer Laser: A decrease in processing speed and relative increase in manufacturing cost Laser ablation equipment suppliers: *
Electronics Forum | Wed Nov 05 17:36:12 EST 2003 | Stephen
Make sure that the side of the square is the diameter of the pad, That is that the circle is inside the square not that the square is inside the circle. normally the aperatures are smaller than the pad to get gasketing. In this case the idea is to
Electronics Forum | Sun Mar 25 12:21:35 EDT 2007 | diesel_1t
http://www.freescale.com/files/32bit/doc/package_info/AN2920.pdf hopefully this help you. also we always look on X ray for some misplacement; you can see like a dark circle and another lighter circle with an offset between both circles (meaning dar
Electronics Forum | Thu Mar 04 12:49:49 EST 1999 | SMTASSY
| Are square pads more difficult to wavesolder than round pads? | I am referring to a through hole board. | Usualy square pads are for indication of pin 1 on a DIP for example. There might be a difference in the capilary affect due to a different su
Electronics Forum | Thu Mar 19 16:06:29 EDT 2020 | stephendo
Imagine a circle. Now imagine a line attached to that circle. A line almost as wide as the circle. Or look at a regular BGA pattern now imagine if the traces were almost as wide as the pads. I have not seen any quite as bad as he describes but I have
Electronics Forum | Tue Oct 31 20:42:56 EST 2000 | speedy-tech
Now we are face with tombstoning for component '0402',we have tried many ways,it seems no change,Below is our experient: 1,The thickness of stencil is 0.12mm,and the aperture is circle.the diameter is 0.55mm.The pads size is 0.5*0.6. 2 Ch
Electronics Forum | Sat Mar 30 17:42:33 EST 2002 | davef
Never read anything like that, but with the same courtyard, you have the ability to position less material with a circle than a square. Search the fine SMTnet Archives for a heirarchy of sources from which to select pad dimensions
Electronics Forum | Wed Feb 05 14:20:45 EST 2003 | Stephen
One thing that worked for me was simply rounding off the pads, making square pads into circlesfor the stencil. It worked but did seem a little strange turning squares into circles for 0603's and 0402's and turning cirlces for BGA's into squares, (bu
Electronics Forum | Mon Mar 20 18:15:05 EST 2000 | Russ
Larry, SOTs are a wonderful thing to try and wave solder! They are about as nice as Tant caps. I have found that shadowing is usually the biggest problem assuming that the other wave parameters are good, in your case it seems that they are. Couple
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