Electronics Forum: parts (Page 389 of 1118)

limitation's of the QSA 30 machines

Electronics Forum | Mon Dec 12 08:05:11 EST 2005 | bobpan

Quad Align.....Cyber-optics....no difference...they both work well. Never tried a micro-bga but i know the upward camera does standard bga parts.

V-score cracking components

Electronics Forum | Wed Nov 09 11:18:39 EST 2005 | Beef Kakes

Cracked components will occur when the component is stressed. The only way to stop this is to not stress the part when removing the score. This can be done by fixturing the board top and bottom so it doesn�t bow when breaking off the breakaway. Vi

How do you number your stencils ?

Electronics Forum | Thu Oct 27 09:43:59 EDT 2005 | PWH

As Mark states, we have also used tape to cover sharpie notes and part numbers. Works well. We use kapton tape.

FUJI programming

Electronics Forum | Fri Oct 28 14:35:15 EDT 2005 | aespino

Does anyone know how to generate a Part Data for a QFP with bumper for a IPIII machine on MCS software? I realy have a bad time with this issue,somehow the vision type is not detected...

Reflow soldering of 208-RQFP-0.5mm

Electronics Forum | Tue Nov 01 09:00:07 EST 2005 | russ

Is an RQFP a Qfp with the center pad for heat dissipation? If so, you may be shifting when this center pad reflows and lifts the part.

Moisture absorption in the solder paste

Electronics Forum | Wed Nov 09 22:03:33 EST 2005 | laxman

Hi Amol, We are in South part of India.basically we are basically EMS providercatering to the needs of our Overseas customer and partiallytodomestic market. We are also providing complete manufacturing solutions including cable harness, enclosure as

cap size and copper thickness vs part size questions

Electronics Forum | Mon Nov 14 12:10:05 EST 2005 | davef

Ceramic capacitors larger then EIA size 1812 are known to be very susceptible to thermal shock damage due to their large ceramic mass.

Lead free component VS vision on Mydata M12

Electronics Forum | Tue Nov 22 17:04:07 EST 2005 | adlsmt

Hmmm... that might work on some AOI machines but I believe the vision inspection is usually performed before the part is placed on the board, at least thats the way my machines work!! Website was much more attractive than moonman's though!!

Manual Stencil Printers

Electronics Forum | Fri Nov 11 10:13:29 EST 2005 | jrr3434

I am looking for a good manual stencil printer for low volume production runs. Looking at placing 0402s and 15mil parts. Any suggestions would be appreciated. Thanks Jay

Dip Soldering Advice

Electronics Forum | Wed Nov 16 09:22:24 EST 2005 | chunks

These are all good questions. Dip fluxing is fine. Make sure you let all the remaining flux drip off the board. Letting it drip into the pot will cause a lot of spattering of hot solder � be careful. Dipping the board slowly into the pot should


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