Electronics Forum: design (Page 502 of 537)

Re: Batch Cleaners

Electronics Forum | Tue Dec 08 16:53:41 EST 1998 | Ryan Jennens

Hey there Dave! We used to use a batch cleaner when we used water-clean paste. It was similar to a dishwasher, except that it had a digital menu for entering the number of wash cycles, water temp., amount of saponifier (we just used DI water),

Re: Gold Finger Cleaning

Electronics Forum | Sat Nov 14 08:05:54 EST 1998 | Earl Moon

| | | | I believe that gold fingers on my circuit boards are being | | | | contaminated and need to clean them with some chemical | | | | solution. Any recommendations. | | | | | | | Chuck: What is the type and source of your contamination? Dave

Re: Wave Solder balls

Electronics Forum | Mon Nov 02 22:57:02 EST 1998 | Kelly Gossman

Micheal, What does your profile look like for the wave? What profile does your flux say you need? My guess is it is not your profile, our testing with solder balls found that the mask on the boards was the largest contributor to solder balls. Wha

Re: Plating Processes

Electronics Forum | Fri Oct 30 01:07:34 EST 1998 | Earl Moon

| I am a recently graduated Process Engineer. I am working for a company developing and manufacturing printed circuit boards. I am looking for a web link, magazine article, book, etc which describes the processes which happen at a board house. More s

Re: Wavesolder bridges

Electronics Forum | Mon Oct 26 16:01:33 EST 1998 | tom Gervascio

| | I need some info on how to stop the bridges I'm having on | | radial and axial parts that are in the same place on every board. I'm also having problems with sot-25 bridging. I'm using a Electrovert E-pak. I tried leveling the machine,solder pot

Re: En-Tek Coating

Electronics Forum | Tue Oct 06 17:17:44 EDT 1998 | Chrys

| We are experiencing poor wetting on various components placed on a PCB with En-Tek coating. Is anyone else experiencing simular problems ? We have the following questions: | | 1. How can the thickness of the En-tek coating be measured? | 2. Is En

Re: DPM-Rate for SMT pprocess

Electronics Forum | Tue Oct 06 15:41:14 EDT 1998 | Mike C

| | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | DPM is Defects per million, usually measured on components. We run a process consisting of small to medium b

Re: Hot air knif in wave soldering

Electronics Forum | Mon Sep 28 10:12:53 EDT 1998 | Chrys

| Hello, | I need some users information about "Air knif" in wave soldering: | 1. Does it decreases bridging ? | 2. Is it self installed of a purchesed kit (if purchesed, who are the recomended vendors) ? | 3. Any other information about the issue. |

Re: SMT repairs using wire links

Electronics Forum | Thu Sep 10 21:44:48 EDT 1998 | Steve Gregory

| I'll stop talking to myself and wonder how big Steve G is doing these days. | Earl Moon Hey Earl! I was wondering the same thing about you a few weeks back when we didn't hear much from you...but, I'm doing okay. Been busier than a one-legged

Re: No Fake E-mail Please

Electronics Forum | Wed Aug 26 08:18:54 EDT 1998 | Earl Moon

| To All, | We have found several fake e-mail addresses on the Forum, most of them from one individual. We hereby announce that the following addresses are fake: | hello@smtnet.com | hi@smtnet.com | astounded@smtnet.com | thrilled@smtnet.com | The SM


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