Electronics Forum: whats (Page 1 of 1844)

Can local fiducials improve BGA placement?

Electronics Forum | Wed Jun 06 16:04:02 EDT 2001 | pteerink

Greg, Need to give more to get more! What are the details? What are the problems you are seeing exactly? What type of part are you trying to place? What type of machine are you using? What type of vision recognition? What type of PCB finish? Phil

Glue dispensing machine that you recommend? IN-LINE SMT

Electronics Forum | Mon May 14 04:00:15 EDT 2018 | sarah2018

Before you buy glue dispensing machine, you need tell the supplier two question as below: Two questions before purchase 1.What’s type of glue do you use ? What’s the base characteristic ? A)One-component or two-component (A&B glue); B)What is the A

Re: cleaning solution to clean socket board.

Electronics Forum | Mon Oct 16 20:50:34 EDT 2000 | Dave F

This is vague. What is causing ... When does it appear ... What is it's occurance ... What is the frquency ... What does it look ... What problems does it ... And on and ...

pcb solderig

Electronics Forum | Tue Sep 01 20:43:06 EDT 2009 | davef

Please explain "adhesion of soldering is not uniform at the tips (soldering ends)." For example: * Is the "tips (soldering ends)" the component leads? * What is the component? * What is the finish on the component? * What process is causing this issu

What is VCO mean ???

Electronics Forum | Sun Feb 24 20:57:08 EST 2002 | ericchua

Can anyone tell me what is "VCO" free swing spray fluxer mean ??? The "VCO" stand for what ???

Solder bridging after printing

Electronics Forum | Sat Jun 25 09:26:43 EDT 2005 | mskler

What is stencil thickness & what is the pitch of your component.What is your cleaning processor for stencil.

Immersion Gold (ENIG)

Electronics Forum | Fri Sep 16 14:28:42 EDT 2005 | russ

What is your topside preheat temp? What is the lead to hole ratio for these problem parts? What type of flux?

PBGA open connection

Electronics Forum | Thu Oct 05 00:48:22 EDT 2006 | KEN

What is the surface finish of the PCB? What type of BGA? What type of solder / flux are you using?

Used auto printer; any to avoid?

Electronics Forum | Wed Jun 15 17:04:44 EDT 2016 | ttheis

What model MPM printer? What did you pay? What was the repair required?

Re: Adhesive dispension

Electronics Forum | Sun Jun 04 14:14:24 EDT 2000 | James.L

1) Adhesive dispensing -number of dot per component , what's the determined factor ? What's the distribution ? 2) What is the critical factor to monitor the consistacy of volume & profile per dot ? 3) What is the effect of temperature/balance of adhe

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