Electronics Forum: electronics (Page 5886 of 7889)

Pattern matching type fiducial at Topaz/ Emerald machines

Electronics Forum | Mon Mar 26 11:34:31 EDT 2007 | coop

as long as you are not getting recognition errors, and placements look good, go with it. as far as the pattern matching, the only thing I can think of is changing the it from circle or square to sp. shape and giving it the dimension sizes asked for.

Pattern matching type fiducial at Topaz/ Emerald machines

Electronics Forum | Mon Mar 26 11:34:34 EDT 2007 | coop

as long as you are not getting recognition errors, and placements look good, go with it. as far as the pattern matching, the only thing I can think of is changing the it from circle or square to sp. shape and giving it the dimension sizes asked for.

Best scope to solder under....

Electronics Forum | Fri Mar 23 08:22:35 EDT 2007 | oldsmtdude

I've used standard Nikon for years. We evaluated the Mantis and while first impressions were positive but with continued use EVERYONE chose to move back to the standard eyepiece. A lot depends on what size components you're dealing with - when you s

Best scope to solder under....

Electronics Forum | Tue Mar 27 16:15:57 EDT 2007 | slthomas

I have never personally understood the attraction to Mantis, but to each his/her own. They make me seasick from shaking around, and the view area always seems to be rotating off axis for me. They work great if I stand on my head and close my right ey

QFN Recognotion Problem

Electronics Forum | Mon Apr 02 12:36:06 EDT 2007 | SWAG

If you have upward looking cameras, can you assign the part to the smallest field of vision camera to get the dot out of the search area? Or, I've used patterns on GSM but have not had the need to use them on our Advantis yet. It appears you can ma

QFN Recognotion Problem

Electronics Forum | Tue Apr 03 05:20:42 EDT 2007 | Haris

HI I think it is matter of light which is throwing by ur Machine camera, Decrese its light level and then try i believe it may works, because camera only recognises its leads/pins as it reflects back & not the other things, or choose the ODD CHIP/ I

QFN Recognotion Problem

Electronics Forum | Fri Apr 06 00:08:41 EDT 2007 | barney

What software level do you currently have on your machines? If you have UPS+ 6.2.x there is a huge improvement. In the SOIC/QFP or any leaded catagory you will find a check box under the vision tab called noise filter. Check this box and the software

90/10 & Lead Free Solder Balls

Electronics Forum | Fri Mar 23 15:33:53 EDT 2007 | ppcbs

Does anyone know where to purchase 90/10 & Lead Free solder balls and kits for BGA Reballing? I'm having service problems with my current vendor who decided that they no longer wish to sell 90/10 balls, can't take in an order without a quote, and ca

Smema communication

Electronics Forum | Sat Mar 24 00:08:55 EDT 2007 | mika

Fully SMPI (there are 2 kinds of SMPI and Universal used them both in the past). Converter cables between SMPI > Fully SMPI Converter cables between FUJI > Panasonic Converter cables between FUJI > SMEMA Converters between almost any machine interfac

LGA36 6.5 x 3.5 mm

Electronics Forum | Sun Apr 01 09:26:13 EDT 2007 | mika

Thanks DaveF, I think the IPC-7525 - Stencil Design Guidelines (which is overall a pretty good guideline) does not perfectly apply in this case. I would rather go for a little bit over print, as for a CCGA; unless I misinterpreted the info. I really


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