Electronics Forum | Mon Apr 19 02:45:31 EDT 1999 | Brian Sloth Bentzen
| | We process both tin/lead plated boards and gold plated boards in our surface mount group. I have used Sn62/Pb36/Ag2 solder paste on all gold plated boards to help prevent gold scavaging. To reduce the amount of different solder pastes we have t
Electronics Forum | Tue Apr 13 04:54:53 EDT 1999 | Charles Stringer
| | DOES ANY ONE KNOW HOW I CAN STRAIGHTEN | | BENT PINS ON A FINE PITCH QFP WITH OUT DAMAGING | | THE CHIP. AT $300 A CHIP I CAN'T SCRAP THEM. | | | I use tweezers and picks. I place the component down on it's backside (legs up) and manually twe
Electronics Forum | Tue Apr 13 12:36:57 EDT 1999 | Scott McKee
| | | DOES ANY ONE KNOW HOW I CAN STRAIGHTEN | | | BENT PINS ON A FINE PITCH QFP WITH OUT DAMAGING | | | THE CHIP. AT $300 A CHIP I CAN'T SCRAP THEM. | | | | | I use tweezers and picks. I place the component down on it's backside (legs up) and ma
Electronics Forum | Wed Apr 07 11:53:59 EDT 1999 | Dave F
| Could somebody send me some information about the SMT Beginning? | I mean, when, where, why, SMT starts. | | Thank you, | | Roberto. | Roberto: There�s lots of reasons for getting into SMT. Some of which follow: 1 Manufacturing engineers thi
Electronics Forum | Wed Apr 07 12:54:13 EDT 1999 | Roberto Cardozo
| | Could somebody send me some information about the SMT Beginning? | | I mean, when, where, why, SMT starts. | | | | Thank you, | | | | Roberto. | | | Roberto: There�s lots of reasons for getting into SMT. Some of which follow: | | 1 Manufac
Electronics Forum | Thu Mar 25 19:19:08 EST 1999 | Graham Naisbitt
| I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's performance, and the MFR data sheets don't match up at all (they each spec
Electronics Forum | Fri Mar 26 13:02:18 EST 1999 | Scott McKee
Sorry, in the following message I'm agreeing with Graham - not Greg... | | I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's p
Electronics Forum | Thu Mar 25 02:22:32 EST 1999 | P.L. Sorenson - Technical Consultant
| | | Your problem may be related to silver migration (leaching) into the solder. I had what seems to be a similar problem. The solution was using solder with 2% silver content. See these pages for a bit more information: | | | | http://www.ferr
Electronics Forum | Thu Nov 19 11:06:40 EST 1998 | Earl Moon
| We have some PCB�s in our warehouse in Manaus - Brazil. They are stored for more than 2 years , in a condition of 25 degrees centigrades and a humidity ranging from 60% to 90%. | Do these conditions cause the PCB�s to deteriorate over time? If so ,
Electronics Forum | Sat Nov 07 03:06:03 EST 1998 | Gary Simbulan
| | | What are you people using to store component reels and tubes in? I am looking for a cabinet with slots or something to store reels and tubes. We keep our components on the production floor near the machines. The cabinets we are using now are
