Electronics Forum: dave (Page 286 of 327)

Re: SMT soldering

Electronics Forum | Wed Jul 22 10:21:46 EDT 1998 | Dave F

| Hi all, | I am new to SMT. In past I've made many PCB boards with my small hands at home, but I've used regular technology drilling the holes for the components. | I am trying to use SMT for my projects. SOP packages I was able to solder using a re

Re: Why Dry After DI?

Electronics Forum | Thu Jul 09 08:03:48 EDT 1998 | smd

OK, I'll take a little abuse as long as you guys are giving me all this great advice. I am concerned about what might happen when a drop here and there comes from the connectors and is absorbed into the box. The box is going to suffer from this. I am

Re: Why Dry After DI?

Electronics Forum | Thu Jul 09 08:04:11 EDT 1998 | smd

OK, I'll take a little abuse as long as you guys are giving me all this great advice. I am concerned about what might happen when a drop here and there comes from the connectors and is absorbed into the box. The box is going to suffer from this. I am

Re: SOT-23-6

Electronics Forum | Fri Jun 26 16:23:14 EDT 1998 | Steve Gregory

Hi Dave! Yeah, they've been around a while, and they're pretty straight foward like you said. About the only things that I can think of that I've run across that causes problems with these guys is when they're used on the bottomside of the board

Re: Handsoldering ceramic capacitor's

Electronics Forum | Thu Jun 25 11:53:09 EDT 1998 | Dave F

| | Dennis, thanks for your input. I myself can't remember having any caps fail due to thermal stress/cracking. But the guru's here says it happens and since the assembly is for space flight, it's a requirement to preheat. Also, your process is exac

Re: Depanelization of PCBs

Electronics Forum | Mon Jun 22 21:31:43 EDT 1998 | Dave F

| Dear collegues, | I like to have your comments/ experience with various methods of depanelization like routing, scoring, cutting etc. | Any feed back on the equipment used with company addresses will be highly appreciated. | Please identify if pos

Re: Looking for Procedures for SMT repair

Electronics Forum | Fri Jun 19 21:04:21 EDT 1998 | Dennis O'Donnell

| | I am looking for a quickly obtainable procedure on the repair of SMT boards. I am particularly interested in discrete components, such as | | capacitors and resistors. | | I need to know the importance of pre-heating the board and components. Wh

Re: Going, going, gone, but back

Electronics Forum | Tue Jun 16 15:39:43 EDT 1998 | Steve Gregory

| | I'm off (as you all know) to other pastures. You know - sheep tupping on the green (or some other Elizabethan BS). Anyway, I now have to go to work for a living, or retire (don't remember which), to make a living. | | Deeply invloved in micro BG

Re: Going, going, gone, but back

Electronics Forum | Tue Jun 16 07:26:07 EDT 1998 | Sherry

Going, going, gone, but back? It must be early, this post is quite confusing, ok I'm having a blonde moment. Sounds like you're going to be quite busy, I wish you well! Also, wanted to let you know...my email has been down Once they get it operatio

Re: Water Quality in the Water Wash, IPC Standard

Electronics Forum | Sat Jun 13 07:08:46 EDT 1998 | Dave F

| Is their an IPC standard for the water that is being used in the water wash. I have been looking and at this time have not found any thing. Steve: A lot of the old command and control specification environment has changed with the "industrializati


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