Electronics Forum: initialize (Page 51 of 96)

Re: copper land delamination

Electronics Forum | Thu Nov 25 20:28:43 EST 1999 | cklau

hello, One way to prevent copper land delamination is to applied Anchoring spurs also referred to as "tie-down tabs" or "rabbit ears".These are a metal projection around a land.This features is fully captured by the cover lay (cover coat) that is n

Re: Calculate SMD movement during reflow?

Electronics Forum | Wed Nov 03 10:30:27 EST 1999 | John Thorup

Hi Anthony I'm not sure I understand your question. Do you mean move to a better or more precise placement or to an error or bad position? I'm not aware of any calculation that can predict movement since it is based on so many factors like component

Re: Help I need DATA on Thermal shock caused by REWORK!

Electronics Forum | Thu Oct 14 10:49:13 EDT 1999 | Dan Woodward

Andrew, As I read about issues with reworking connectors, whether they are surface mount or PTH soldered, I wonder if compliant pin pressfit connectors are being considered. They are easily assembled after all SMT without any thermal input, and on e

Re: Maintenance Software w/Paging abilities

Electronics Forum | Fri Sep 17 09:17:09 EDT 1999 | Steve Herring

Lee, Call John Galda @ Megamation Systems. Phone # is 716-633-3111. He can help you. Their web site is megamationsystems.com. I am happy with their product and its ability to be configured for unique applications. Call me if you wish for more detail

Re: Classification of moisture sensitive devices

Electronics Forum | Thu Aug 26 08:54:17 EDT 1999 | Dave F

| Having implemented the process of handling moisture sensitive devices our logistics department tries to classify all parts according to their moisture level. | Going through datasheets wasn�t that helpfull, so does anyone know of a source for that

Re: Mathematical Formula

Electronics Forum | Thu Aug 26 07:12:23 EDT 1999 | Mika Johnsson

| | I rotated my PCB -90 degrees. Now what's the formula to calculate the X-Y Coordinates of my component CAD Data? | | | | Thanks, | | | Not very difficult | | (Subscripts n = new, o = old) | | Assuming the same origin: | | Yn = Xo | Xn = -Yo |

Re: Mathematical Formula

Electronics Forum | Fri Aug 27 07:28:26 EDT 1999 | Brian

| | | I rotated my PCB -90 degrees. Now what's the formula to calculate the X-Y Coordinates of my component CAD Data? | | | | | | Thanks, | | | | | Not very difficult | | | | (Subscripts n = new, o = old) | | | | Assuming the same origin: | | |

Re: Competitors in Semi-Automatic Printer market?

Electronics Forum | Wed Jul 28 12:29:58 EDT 1999 | Jennifer

| Yeh Dan, | Bought one of those DEK/Universal 265's awhile back. Swear it went faster with their name on it. Never done AMI. What's it all about? | Earl Moon Hello Earl! I have spoken to AMI a couple times while trying to do some research on pri

Re: Competitors in Semi-Automatic Printer market?

Electronics Forum | Wed Jul 28 17:36:28 EDT 1999 | John Thorup

| Just out of curiosity, who's holding the market for the semi-automatic screen printers these days aside from Transition Automation? I know MPM offers some printers in that price range, but are they holding any real market share in that niche? | |

Re: GSM Bump Process

Electronics Forum | Sat Jul 17 17:42:02 EDT 1999 | Alain

| I have been recently playing the the different bump process within the Universal GSM part data software. Can anyone explain to me the differences between bump process A and E? Any feedback would be helpful | Hi, first of all, these were initiall


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