Electronics Forum: can (Page 981 of 2410)

Re: Hot-Air Leveling.

Electronics Forum | Wed Jun 10 10:28:48 EDT 1998 | Steve Schrader

| Hello, | Some time ago before I was an engineer the company that I work for now made it a company policy to not allow hot air leveling for reasons that I do not know about yet. All I know that this policyt agreed with the MIL standards at the time

Re: Solder masks for gold fingers

Electronics Forum | Thu Jun 04 11:09:50 EDT 1998 | Justin Medernach

| I have gold fingers that I want to mask when running over the wave without pallets. They're on the leading edge of the board. I recall seeing rubber boots that slid onto the fingers to mask them. Pop 'em on before the wave; pop' em off after and

Re: Solder masks for gold fingers/Try Rubber Shunts

Electronics Forum | Thu Jun 04 09:53:31 EDT 1998 | Dave F

| I have gold fingers that I want to mask when running over the wave without pallets. They're on the leading edge of the board. I recall seeing rubber boots that slid onto the fingers to mask them. Pop 'em on before the wave; pop' em off after and

Re: Splicing tape for 8,12, and 16mm component tapes/How 'Bout Carrier Tapes?

Electronics Forum | Thu Jun 04 10:17:09 EDT 1998 | Eric Jenkins

| | Looking for vendors of splicing tape for 8,12 and 16mm tape and reel. | | Any net sources? | If you can use carrier (cover) tapes go see "Igmar Grewar 16:04:32 5/28/98" on SMTNet. Dave F It is very difficult to splice carrier tape, we have tried

Re: This is a Test... It Sure Is

Electronics Forum | Wed Jun 03 19:07:03 EDT 1998 | Steve Gregory

| | | | | | | | | | Hi there...I'm testing....is anybody else having problems posting messages?....this is a test... | | | | | | | | OOPS! I guess it's working now...hmmmmm... | | | Steve: Stop!!! Breath deeply. Good. Now is there anything you

Providing Thermal Relief On Vias

Electronics Forum | Wed Jun 03 13:51:57 EDT 1998 | Dave F

Hello: BACKGROUD: SMT components soldered on the top-side of boards that also require wave soldering have the potential to reflow during wave soldering. Reflowing these components during wave soldering is not good. It can cause cold joints, opens

Re: Vertically Mounting of a PWA to a PWA

Electronics Forum | Thu Jun 11 09:34:11 EDT 1998 | Mike Moninger

I'm surprised there hasn't been a response to this. This technique has been around for some time, as it was used early on for memory boards and the like. The pins come on a reel with a carrier strip or strips. Machines are available from the manufact

Re: Double sided smt

Electronics Forum | Wed Jun 03 10:25:49 EDT 1998 | Justin Medernach

| Can anyone tell me if there is a reference for smt component height specs on the bottom side of a board, which will also go through wave soldering. A current design I am reviewing has tant caps(7343) and a crystal on the back side. Should I only b

Re: 1206 Jumper

Electronics Forum | Wed Jun 03 09:48:47 EDT 1998 | Gary

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Re: Posting technical articles

Electronics Forum | Fri May 22 10:41:54 EDT 1998 | Cunli Jia

| When you say "digital form" do you mean digitized like a jpeg format or a big ol' pile of electrons like a *.doc format? Anything that is already on disk will be fine. It will be ideal if the whole article is already in .cfm with reasonably sma


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