Electronics Forum | Thu Feb 04 12:01:07 EST 2016 | g2garyg2
Hi Luis A white mask typically helps in the marking process since you are not reliant upon the PCB layers to create the contrast. Laser marking is really an etching process, so if your laser is set properly (power and focus) the goal with mask is to
Electronics Forum | Wed Jan 27 20:18:42 EST 2016 | lordorica
Trying to find a laser marking machine. Thing is that most of my pcbs have white solder mask, so the when trying to read the 2D code is difficult due to the lack of contrast. Any idea? a different technology? regards
Electronics Forum | Mon Feb 08 15:46:15 EST 2016 | g2garyg2
I would be happy to accept some samples and mark them for you. PROMATION USA, 9522 58th Place, Suite 100, Kenosha, WI 53144 - Let us know
Electronics Forum | Thu Feb 04 20:15:57 EST 2016 | lordorica
I don't own a laser printer right now. I sent samples to some vendors and I couldn't read the codes. Have pictures of 2D codes on white solder mask? Thanks
Electronics Forum | Thu Aug 13 16:46:13 EDT 2009 | snsmt
Hello Everyone, I have noticed that everytime that we have ran a PCB with fine pitch components (or even 0603s), there are little white strands on the leads or on top of the components. It occurs on both lead and lead free solder. We usually soak
Electronics Forum | Tue Nov 04 12:58:17 EST 2008 | smt123
I have to agree with Patrick here. This image appears to show a board that is NOT HASL as there is what appears to be a copper pad in the upper portion of the image. But then again the arrow tip appears to be white and I woudl expect that to be red s
Electronics Forum | Wed Jun 11 07:44:04 EDT 2008 | davef
To get started, look here: http://en.wikipedia.org/wiki/CE_mark
Electronics Forum | Wed Jun 11 04:10:26 EDT 2008 | bahabaha
Hi,, I need to put CE maek on my pcb , but I was told to follow the standard , what is the font type we need ? how can I add picture to pcb ?
Electronics Forum | Mon Oct 08 23:17:48 EDT 2001 | Brad Arnold
We are trying to produce a PC Card bus assembly with a 672 pin BGA on one side. These pcb's are .015 thick. I believe the ball pitch is .5mm. The pcb's are plated with white tin. The pcb's are in a 1 X 3 array. We had 2 plates with appropriate cutout
Electronics Forum | Thu Oct 11 17:44:30 EDT 2001 | aaelect
OK, OK. 672 ball BGA. The pcbs are PC Card bus size and are .015 thick. There are 3 on a panel with about 1/2" between and rails. The aluminum plates are about 3" by 7". There are 3 cutouts which allow for the parts from either side to protrude du
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