Electronics Forum | Tue Jan 11 10:01:30 EST 2000 | Wolfgang Busko
Hi Pat, we had white tin boards laying around for about 10 month with no extra protection than the plastic bag that they were shipped in. Never thought of using them for there was a relayout planned to fix some serious bugs. But that�s life, relayo
Electronics Forum | Tue Dec 21 18:09:24 EST 1999 | Brian W.
I have been soldering 0603 components on the bottom side using a glue and wave solder process for a long time. Bridging has not been a common problem. However, it is inherent on the design engineers to follow good manufacturability planning when la
Electronics Forum | Mon Dec 06 00:22:41 EST 1999 | Greg H
Hi All, I have this problem sorting out the percentage of allowance that we need (per component) for our SMT machine attrition rate. When you say 1%. Say I have a PCB with 3 types of SMD components, type X is using 30 components, type Y is using 5
Electronics Forum | Fri Dec 03 18:17:12 EST 1999 | Dave F
Dave: There's lots of stuff on the web describing BGAs. Examples are: http://www.smtnet.com/bookstore/publications/0speckdo1/s1.html http://www.smtnet.com/bookstore/publications/0shutcco1/ch1p2.html http://www.citizen-america.com/OEM/bga/process
Electronics Forum | Thu Dec 02 11:42:03 EST 1999 | John S.
Dick, My company made the transition from thru-hole to SMT about a year ago. We've been building thru-hole boards successfully for years, but our customer requirements have forced us into the transition. Wolfgang made a very good comment. Start s
Electronics Forum | Thu Nov 18 19:45:26 EST 1999 | Deon Nungaray
Deon Response: Hello Will, Yes, you can reflow a double sided board using 63/37 solder paste on both sides. There are some limitations as far as the mass of the components to reflow the second time. If you have doubts or are concerned that a compone
Electronics Forum | Wed Nov 10 06:32:20 EST 1999 | Lee Radney
We lost the video on a touchscreen monitor that goes in in our HSP 4791 machine. The touchscreen still works but the monitor portion is dead. The monitor is a Mitsubishi Model number XC-1498C II... The Microtouch numbers are as follows....Model #
Electronics Forum | Wed Nov 03 20:02:44 EST 1999 | Anthony Winston
Well John here is the situation: I need to place an infrared transistor (optical element) with a tolerance of +/-.003", this is not a problem. A lens is positioned over the optical element and snapped to the PCB via three holes that have a toleran
Electronics Forum | Mon Nov 01 22:16:04 EST 1999 | Dean
Without a detailed description of the suspect parts It is difficult to pin-point the exact solution to your process problem. However, whenever possible avoid non-value added additions to your current process. Here is the reality of the situation:
Electronics Forum | Tue Oct 19 16:59:58 EDT 1999 | Carol Zhang
Hi, thank you for the idea. I may try solder iron, but it much more slower since I have to solder spacers one by one. a stimpson press is used to press the spacer on the board and the edges of the spacers are rolled. Then we solder the edges to
