Electronics Forum | Wed Jan 30 03:01:39 EST 2019 | robl
You could use a stepped stencil around the parts you're having issues with to add a greater paste deposit to them and not the rest, or slightly elongate the apertures and overprint, but this may lead to solder balling.
Electronics Forum | Wed Jan 30 13:17:22 EST 2019 | slthomas
In addition to robl's suggestions, I would look at the footprint on the board to make sure it meets the recommended dimensions. Abnormal layouts, particularly when pads extend under the component too far, can be problematic both by lifting the part
Electronics Forum | Fri Jan 12 15:35:05 EST 2024 | madisreivik
On my CP642 I got narrow camera for 0201 parts. My question: some thick (2mm+) 0805 components look blurry. Is there a part height limit for the narrow camera ? I noticed that some parts predefined from previous owner were made to wide camera, alth
Electronics Forum | Thu Mar 17 13:03:21 EST 2005 | Slow Ride
When it comes to solder paste, you should worry about volume. Granted height is a part of the equation, but you could have perfect height and still get defects. I wouldn't get too wrapped up in volume either, unless you're evaluating stencil height
Electronics Forum | Wed Dec 08 19:16:20 EST 2010 | jgalarza
Can anyone tell me if there is a formula for finding the after reflow height of solder with no part attached? I have to print some pads that do not have any parts but there can not be more than 1.5mil of solder on the pad after reflow. I am going to
Electronics Forum | Wed Mar 30 15:15:03 EST 2005 | chunks
This is a pet peeve of mine. The paste height requirement is generally asked because the customer has no clue about screen printing, but knows to ask this question. If he did know even a little about printing, he�d ask you to assure the �volume� of
Electronics Forum | Tue Feb 22 07:58:16 EST 2005 | davef
We hear you. If it's not broken, why fix it? Right? Well intentioned, but not very educated customers seems to be part of the bane of existance of process engineers at contractors. First, as a previous poster said, paste height is an improper mea
Electronics Forum | Sat Aug 07 04:11:57 EDT 2004 | AOI Solution
This is Ivan from TRI USA located in Santa Clara, CA Our company provide a Solder Paste Inspection System which uses 635 Line Laser to scan the panel and come out a real 3D height, area and volume measurement! We sold lots of this system in Asian EMS
Electronics Forum | Thu May 13 17:07:44 EDT 2004 | Longhua
Try TESTRONICS 505 series. Ask for literature on this subject. They are a very responsive company.
Electronics Forum | Thu May 13 09:47:32 EDT 2004 | Lubo
We are looking for a inspection system to check the positioning of a component over a PCB. We need it positioned both in X Y directions and height above PCB (it is a TH component) to be within certain limits. PLS advise can this be achived by AOI. Wh
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