Electronics Forum: manufacturing (Page 321 of 636)

MoonMan and Tetras

Electronics Forum | Mon Apr 26 17:20:10 EDT 1999 | Chrys Shea

Hey MoonMan, Did I catch in one of your fabulous threads that you're using Tetra stencils? I'm anxious to find out how you're liking them. We we're all set up to go to Tetras, then mgt decided to close down our factory - Dooop! "Foiled" again! (te

Re: Lead free solders

Electronics Forum | Mon Apr 26 11:42:29 EDT 1999 | Chrys Shea

| | Hi, | | Im doing some experiments and studies on lead free solders ( any alloys).I would like to get some information on a few lead free solder paste manufacturers and if possible their web page adress and contacts. | | Thanx in anticipation |

Re: Moisture sensitive device processing

Electronics Forum | Mon Apr 26 12:51:45 EDT 1999 | Bob

Steve, Moisture sensitivity needs to be taken seriously. Being in the commercial end of electronics now, I am using many plastic packages. Unfortunately, moisture sensitivity processing is not black and white and it does require procedures and dis

Re: Wave soldering machine selection

Electronics Forum | Fri Apr 23 11:37:21 EDT 1999 | Dave F

| We are an assembly house engaged in large volume manufacturing of Computer motherboards and others. We are in the process of selection of a new wave soldering machine. Can somebody help me inform what are the different parameters which must be ens

Discoloured soldermask

Electronics Forum | Thu Apr 22 10:57:20 EDT 1999 | Jack Coia

On various PCB's after building processes,such as reflow, flowsolder and wash. The soldermask on the PCB's have become discoloured, like a 'marble' effect all along the solder side of the board, it is lighter in contrast than normal, although when ot

Re: pads size

Electronics Forum | Tue Apr 06 16:09:25 EDT 1999 | Dave F

| Hi, | Somebody know how to calculate the size of pads for different IC's: QFP's, SOIC, SOJ, etc. | | any help is apreciated. | | thanks | | AC | Al: Justin's comments are well taken. Who should know better about pad sizes that the component m

Re: Placement tolerance

Electronics Forum | Tue Mar 30 22:43:36 EST 1999 | dean

| Does anyone know of a contract manufacturing house that can guarantee smt component placement and can verify placement of +/-.015? | | Thanks in advance | Question: mm, inches, or mils? I can do it. However, what is your reliability level? 9

Re: Component PPM

Electronics Forum | Tue Mar 30 22:19:02 EST 1999 | dean

| Does any have any reports on competive Component PPM levels for world class manufacturers ?? I would also like to get any information on the fault spectrum for component mounting. | | Generally, it is accepted that world class is below 100 DPMO (

Re: Spray Fluxers

Electronics Forum | Mon Mar 15 20:13:10 EST 1999 | Wayne Bracy

| Does anyone have any recommendations on spray fluxers? Are there major differences between the high priced ultrasonic machines to the low priced flux/air spraying machines? We are going to be spraying an OA flux with 11% solids content. Are there a

Re: Stencil Cleaning

Electronics Forum | Sat Mar 13 01:29:16 EST 1999 | Mike Konrad

Greetings Bill, My� Aren't we just a little sensitive! Isn't the purpose of this forum to educate, exchange ideas, provide alternative solutions??? Or is it an open-ended venue for the advertisement of one specific machine from one specific manuf


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