Electronics Forum | Fri Jun 18 17:19:48 EDT 1999 | Jason Gregory
| | | | | Now don't everyone jump on this at once, but it seems time for me to send out copies of my not even close to being dated copy of an article about HASL. Though it was published in 1992, in Printed Circuit Fabrication Magazine, and it got rav
Electronics Forum | Fri Jun 18 11:37:10 EDT 1999 | Earl Moon
| | | | first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pa
Electronics Forum | Wed Jun 16 14:05:23 EDT 1999 | Dave F
| A potential customer of our is inquiring if we have capability | for Hot Bar manufacturing in the PCBA manufacturing world. If someone can explain to me what this entails, I would greatly appreciate it. Thank you. | Gary: Tell your customer NO
Electronics Forum | Tue Jun 15 14:45:11 EDT 1999 | C. Cross
| I am looking for more information about: | | 1) What kind of evaluation can I do to measure the resistance to fall off of a bottom side glueded SMT component?; | | 2) There is some influence of doble wave solder machine (temperature, flux, etc) i
Electronics Forum | Wed Jun 09 13:11:29 EDT 1999 | John Thorup
| In past PCB designs I have cleared all traces from all layers | (except pwr/gnd) from fiducial area. It has come to my attention that this is only necessary on the side where fud is placed. Which is the correct method of design using a fidicial?
Electronics Forum | Mon Jun 07 11:21:38 EDT 1999 | Brian Wycoff
| | I need to perform shear tests on components that have been glued prior to wave soldering. Can any one recommend a shear tester and some standardized info on testing? We have had problems with poor glue bonds and would like to implement a test m
Electronics Forum | Tue Jun 01 15:09:58 EDT 1999 | Tony
| Dear All, | | We are a medium sized sub contract manufacturing house, engaged in high mix, medium volume production. We are using no clean as well as Aqueous cleaning process. we are planning to buy a new wave soldering machine out of the follow
Electronics Forum | Wed Jun 02 04:04:58 EDT 1999 | Vinesh Gandhi
| | Dear All, | | | | We are a medium sized sub contract manufacturing house, engaged in high mix, medium volume production. We are using no clean as well as Aqueous cleaning process. we are planning to buy a new wave soldering machine out of the
Electronics Forum | Fri May 28 11:14:21 EDT 1999 | TONY MASTROIANNI
| Does anyone have a suggestion for a UV resistant black potting material? The material recommended by a local vendor turned gray in a couple of months in the sun here in Florida. We are using L.E.D.'s in a small housing (about 1.2" cube) and need to
Electronics Forum | Fri May 28 11:22:21 EDT 1999 | TONY MASTROIANNI
| Does anyone have a suggestion for a UV resistant black potting material? The material recommended by a local vendor turned gray in a couple of months in the sun here in Florida. We are using L.E.D.'s in a small housing (about 1.2" cube) and need to
