Electronics Forum | Mon May 25 08:37:28 EDT 2009 | d0min0
Hello, recently we changed supplier of the LF BGA, we did corossection and now have doubts... previous BGA specs : pitch 1mm, ball diameter 0.6mm future BGA specs : pitch 1mm, ball diameter 0.4mm on the crossecrion we found that one of the ball seem
Electronics Forum | Wed May 09 10:40:10 EDT 2001 | davef
First, your primary side component pads should be designed according to SM-782A, "Surface Mount design & Land Pattern Standard". Next if you did that and your secondary side component pads are the same size as your primary side components, your diff
Electronics Forum | Thu Dec 14 22:28:38 EST 2006 | Tony
Hi, where can I find info about how to make the pad design to work for VSSOP48 0.4 mm Pitch & TSSOP56 0.5 mm pitch components? I should also mention that we are working in a project that this 14 layers High-Frequency RoHS board is included. The pad c
Electronics Forum | Thu Nov 20 03:58:39 EST 2014 | hhat
To get the best performance of electronic circuits, components and circuit board supports circuit components and devices in electronic products. Even if the circuit principle diagram design is correct, the printed circuit board is designed improperly
Electronics Forum | Wed May 10 01:00:09 EDT 2000 | gary
0.65mm pitch QFP. I believe that this is the borderline for Fine Pitch. Will I have a good paste release with Chem-etch matched with a rubber squeegee? I'm planning of a 15% reduction on the Width and no reduction on the length. Any feedback whether
Electronics Forum | Thu Nov 20 04:02:02 EST 2014 | hhat
PCB layout of the circuit components, to meet the requirements of anti interference design: 1* arranged for each functional circuit unit in accordance with the circuit flow position, the layout of the signal for circulation, and make the signal as m
Electronics Forum | Sun Feb 15 10:47:16 EST 1998 | SMT-ASSY
In reference to your Email response, we will propose to you in the next few days a course curriculum which we hope you will find of great interest. As we told you we offer courses for assemblers and techs in PTH, SMT soldering, SMT full process using
Electronics Forum | Thu Nov 17 14:22:08 EST 2011 | davef
Maybe the fabricators of RAM chips will give you the design for a DDR3 circuit board. Why not? I would help fuel demand for their product. Try: * Samsung * Toshiba * AMD
Electronics Forum | Mon Aug 06 14:12:49 EDT 2018 | tey422
I just found out we are unable to epoxy it. As the customer need to pull it up and open to tune the product. Which means the only way to solve it is by fine tune the pad and/or stencil design.
Electronics Forum | Mon Aug 06 14:37:32 EDT 2018 | dleeper
What about some kind of surface mount clip? Solder the clips to the PCB and then insert the coil manually? IT adds a little labor but at least your coil won't move. For reference here's a company that makes that sort of thing. There are plenty of ot
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