Electronics Forum | Thu Jan 24 04:54:43 EST 2002 | wbu
Well Greg, I don�t know YOUR 0805 Pads but if you look at the recommended pattern for 0805 in IPC-SM-782 you might notice that the Z-dimension is somewhat about the size of your 1206 part length. With that and assuming that you ask if the results wi
Electronics Forum | Wed Apr 09 14:50:03 EDT 2008 | bradlanger
We use a FKN pizza cutter and found that even with 5mm clearance and the proper orientation of the part larger ceramic capacitors 1812, 1210 would still stress fracture. We have successfully fixed stress fracture problems by adding routed relief slot
Electronics Forum | Wed Nov 21 12:29:52 EST 2001 | mparker
Now that we know where you've been and what you wish to accomplish next, I can still give you some suggestions. 1. Get IPC-7912. Use it to evaluate your CM's. Especially if you have multiple contractors supplying like products. You will quickly see
Electronics Forum | Mon Dec 13 00:48:33 EST 1999 | armin
Hi All I have a 0.7 mm diameter hole for vias, what�s the minimum annular ring for this hole diameter? What�s the term unsupported and supported holes refer to in IPC-2221 9.1.2 Annular Ring Requirements? I have a proto-type PCB (designed by our R&
Electronics Forum | Wed Apr 28 12:18:04 EDT 1999 | Scott McKee
| Hello all, | | I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area
Electronics Forum | Wed Apr 28 11:16:45 EDT 1999 | Steve Gregory
Hello all, I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area of th
Electronics Forum | Sat Oct 02 03:27:52 EDT 1999 | Brian
| I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: | | 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Irons at
Electronics Forum | Sat Oct 02 20:19:19 EDT 1999 | John Dwinell
| | I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: | | | | 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Ir
Electronics Forum | Wed Jun 30 17:52:06 EDT 1999 | JohnW
| | | | | | | | | | | | | | | | snip | | | | | | | | | | | | | | | | | John and Dave, | | | | | | | | | | | | | | | | | | Again, I don't work with larger chip devices with this issue. The company I now work with developed a strategy, based on cons
Electronics Forum | Wed Jun 30 15:24:23 EDT 1999 | Earl Moon
| | | | | | | | | | | | | | snip | | | | | | | | | | | | | | | John and Dave, | | | | | | | | | | | | | | | | Again, I don't work with larger chip devices with this issue. The company I now work with developed a strategy, based on considerable res
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