Electronics Forum: panalization (Page 1 of 1)

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 04:10:25 EDT 2001 | kensmoke

We recently had a multi block panal change at the vendor Now the production lines are producing solderability defects in great number. The makeup of the pcb is a type of fiber glass mask green in color and pads with no tinning just copper lands.

Beat rate

Electronics Forum | Fri Feb 04 15:45:36 EST 2000 | jseagle

For a single board that takes 5 minutes to build on my machine, is it better to do it as a single board or a 4 up panalized board that will take 20 minutes to build? And why?

Flexa Prog query

Electronics Forum | Tue Mar 17 16:43:26 EDT 2009 | gregf912

AJ, you are making this harder than it realy is. Import the cad file with the BOM. Then use the panalize function built into Flexa to step and repeat for block 2 and 3. The ref. designators will be tied to each block (board).

SMT Assembly Line

Electronics Forum | Wed Jun 07 22:02:52 EDT 2006 | Wave Master Larry

Listen, you should try to utilize wave solder as well. High speed gadgets are fine if you want to make things complictded, but if your just starting things up, think simple. Nothing beats wave for solder many parts at the same time. If you can't p

fiducial mark

Electronics Forum | Tue Mar 02 22:40:52 EST 2004 | pdeuel

To clean up other replys I will add that some most all machines have global correction. Most placements are an off sets from pcb 0,0 usually the lower left corner of the board. When the machine locates the fiduitals and these fids are not exactly whe

Resonator Cracking

Electronics Forum | Fri Nov 16 08:47:04 EST 2007 | rgduval

Fractured parts that we've seen at reflow in the past are related to trapped moisture in the part, out-gassing at temp, and fracturing the part. I have seen this on ceramic resonators in the past; don't know why this type of part seems prone to this


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