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Re: MoonMan and Tetras

Electronics Forum | Tue Apr 27 05:26:14 EDT 1999 | Charles Stringer

| | 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!

Re: MoonMan and Tetras

Electronics Forum | Tue Apr 27 09:26:43 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 factor

Re: moisture in pcb's how is it measured

Electronics Forum | Wed Oct 20 10:49:04 EDT 1999 | Brian

Hi! Stu's method is a half-truth. What it measures is the aggregate of all volatile material with a significant vapour pressure at the baking temperature, not just H2O. Short of very complex methods, it could be complemented by a comparitive measur

Re: 1 mil or 25 um trace width

Electronics Forum | Thu Apr 29 11:11:28 EDT 1999 | Steve Gregory

| Can anyone in this world produce such small PCB/PWB trace widths? Lots of theory so far, but have not found anyone yet who can do it in practice. Hi Daniel! I attended this years IPC Printed Circuits Expo down in Long Beach, and witnessed a live

Re: 1 mil or 25 um trace width

Electronics Forum | Thu Apr 29 11:11:51 EDT 1999 | Steve Gregory

| Can anyone in this world produce such small PCB/PWB trace widths? Lots of theory so far, but have not found anyone yet who can do it in practice. Hi Daniel! I attended this years IPC Printed Circuits Expo down in Long Beach, and witnessed a live

Re: Polyimide stencils

Electronics Forum | Thu Apr 22 17:39:26 EDT 1999 | Earl Moon

| To all who will be potentially my salvation, | | I am currently researching Polyimide stencils for possible use and manufacture. If I may be indulged - with due reference to all past enquiries and notes on the subject - can anyone offer an up to d

Placement accuracy

Electronics Forum | Wed Feb 07 11:19:23 EST 2001 | CAL

Precision parts and precision boards are nice for the initial evaluation but are costly for routine monthly accuracy tests. I know for a fact all the Siemens machines leaving Germany are evaluated with precision parts and board and placements are eva

Wave soldering profiling

Electronics Forum | Thu Jun 12 18:39:07 EDT 2003 | MikeF

Hexacon sells the LevChek, it is a special tempered glass plate for checking a wave solder machine. They make different sizes, so you can get one that is close to the maximum width of your wave. They also have grid lines etched on them so you watch i

Re: Screen printing the board from........

Electronics Forum | Fri Mar 06 10:30:46 EST 1998 | Ron Costa

| | | Hello everyone! | | | Does any know anything about bare board size variations? | | | Is there a spec. or tolerance? | | | I'm running small lots of boards and during the screen printing process | | | I find that I cannot paste each board perfec

Re: Placement Machine CPk Kit

Electronics Forum | Wed Sep 09 12:39:22 EDT 1998 | Chrys

| I am attempting to locate a kit to be used on surface mount equipment to determine the placement capability (CPk). Does anyone have information on where to purchase such a kit? Ideally this kit should be usable on placement equipment from various


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