Electronics Forum | Thu Dec 17 17:34:26 EST 1998 | Earl Moon
| Has any anyone established / published quality standards for BGA solder joints? Is IPC-A-610 in process of adding standards for BGAs? | The debate continues. I have felt for some time a maximum 20% voiding is allowable under certain conditions (w
Electronics Forum | Fri Jul 08 16:35:04 EDT 2005 | Jason Fullerton
"Whether or not you need a toe fillet depends on your application. We have high reliability products where we can't use a QFN over a certain size, regardless of toe fillet. We have other applications where we meet the thermal cycle requirements for a
Electronics Forum | Tue Nov 01 09:16:03 EDT 2011 | austinpeterman
Hello, Looking for a solution to silicon conformal coating wicking up into connectors. We build IPC-A-610 class 2. We are using a PVA 650 with Dow Corning 1-2577 conformal coating. We have solder joints that must be coated 1.25mm from the connecto
Electronics Forum | Sat Apr 25 12:58:13 EDT 1998 | Earl Moon
| Is there an industry standard in calculating SMT process | PPM level for benchmarking purpose ? What are the industry | benchmark ppm number for some of the defects like solder | short for 20-mil QFP, tomstone problem for 0603 components etc....
Electronics Forum | Fri Jun 12 05:12:46 EDT 2015 | xavierchew
We are a Singapore based independent distributor of electronics components with over 7 million parts available from more than 1000 quality suppliers (OEM, CEM & Franchised Disti). We can help to source for hard to find and allocated components. We ha
Electronics Forum | Sat Jan 16 02:43:21 EST 1999 | Earl Moon
| Hello, | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | So far, the tests I can think of performing, and that we have
Electronics Forum | Mon Jun 01 09:32:29 EDT 1998 | Dave F
| This message is to Cunli and his great staff who keep us flying straight and level while reminding us always to keep our nose down in the turns. (can't keep from doing some of that pilot "s__t" Mav. | I, I mean we, would like to post some tempters
Electronics Forum | Sat May 30 18:33:02 EDT 1998 | Earl Moon
This message is to Cunli and his great staff who keep us flying straight and level while reminding us always to keep our nose down in the turns. (can't keep from doing some of that pilot "s__t" Mav. I, I mean we, would like to post some tempters as a
Electronics Forum | Tue Sep 28 06:33:43 EDT 1999 | Earl Moon
| | | | I'm trying to start a small SMT contract shop and I need | | | | assistance in selecting equipment. Quad seems to be the | | | | leader but if there is something else out there that can | | | | better suit me please let me know. My shop star
Electronics Forum | Sat Jun 06 09:53:59 EDT 1998 | Earl Moon
GEOMETRIC DIMENSIONING AND TOLERANCING (GDT) Using and applying GDT to printed circuitry and assemblies is very much like applying it to any other design for manufacturing (DFM) or design for assembly (DFA) requirement using concurrent engineering (C
