Electronics Forum: ups (Page 176 of 1183)

TSOP40 Lead pitch 0.50mm recommended aperture sizes?

Electronics Forum | Tue Mar 11 09:33:06 EST 2003 | davef

I'm wrong about the MPM AP. I got my model designation crossed-up and was thinking of an older unit. I apologize to MPM for for my unfair criticism of their product.

Component loss percentages

Electronics Forum | Thu Mar 13 14:51:23 EST 2003 | juan_ruiz

A good standard could be 99.7% of Pick up reliability in terms of machine performance, but you should take care of the cost of the parts that you are scraping.

Multiple reflow cycles

Electronics Forum | Wed Mar 19 21:01:49 EST 2003 | Rob

I would suggest creating a special reflow profile, heating the board up to 130C about 50 c below eutectic point (183C). Then applying heat to only the BGA, this will prevent thermal shock to surrounding components.

Touch up paint for Universal GSM

Electronics Forum | Thu Mar 20 13:57:39 EST 2003 | MA/NY DDave

Hi Hopefully one or maybe two of the UNIVERSAL people on this list will give you your information. I am not sure I would use the paint you have selected. YiEng, MA/NY DDave

Screen Printing

Electronics Forum | Fri Mar 21 15:54:03 EST 2003 | pjc

I heard that Minami has pulled out of the Americas. I could be wrong though. Don't know about Europa. Yes, Minami is very Japanese. Didn't see the MK-210 model, only the 280. The MPM semi-automatic models are SPM and UP100. The DEK is model 248.

Cracked ceramic chip capacitors.

Electronics Forum | Fri Apr 11 00:32:17 EDT 2003 | Joe

Hello, Regarding the failures not showing up at ICT. Failed decoupling caps are notoriously difficult to diagnose within ICT. Check with your test engineering folks and ask them how they've coded for these parts. I doubt that they will say those

SMT Production

Electronics Forum | Thu May 15 15:30:44 EDT 2003 | daanterstegge

Hi Dyann, Visit http://www.smtinfo.net and click the link "wave soldering". The page that comes up links to quite a few technical articles that could be of interest to you. Daan

splice tape will join carrier tape without shutting off machine

Electronics Forum | Thu May 22 10:26:55 EDT 2003 | dougt

Wow, sounds awesome, gotta have 200 of them! Sign me up! Here's my credit card number.......

Contract manufacturing Question

Electronics Forum | Mon Jul 14 12:12:51 EDT 2003 | MA/NY DDave

Hi, Ever onward to Brainstorming. If you really wanted to reduce set up charges you would have to guarantee a volume and price with early termination charges. This would require a lot of trust on their part and some investigation of your bill paym

Wave soldering profiling

Electronics Forum | Wed May 12 09:59:42 EDT 2004 | gregoryyork

May'be after all these years your eye sight could be failing,other postings including mine asked board type and machine type and set up etc etc. Oh well


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