Electronics Forum | Mon May 07 09:47:11 EDT 2001 | orbotech
All defect types that can not be seen from top view, meaning - any defect which is characterized by more than its top 2D appearance will be hard, if at all possible, to detect by 2D imaging system. This includes: Lifted leads / co planarity J-lead
Electronics Forum | Mon May 07 11:02:17 EDT 2001 | Singh
Hi all. I am looking into the implementation of the Chip on Board process with eutactic bonding and the then using either gold or aluminum wire to make wedge type wire bonding. Since I am totally new to this, can somebody guide me thru the process,
Electronics Forum | Mon May 07 22:29:52 EDT 2001 | davef
4 wire per sec ... you figure how many you need] Encapsulation ~$120K for a dispenser [10 sec per die ... you figure how many you need] plus a cure oven ~$100k Throw in a another ~$100k for marking and cleaning Check the September 2000 SMTnet New
Electronics Forum | Tue May 08 01:01:24 EDT 2001 | ilanl
The AOI suppliers are not tailoring the systems to the application but are defining the applicability of their system to a specific AOI segment �i.e. �leveraging� the limitation of the technology. Would a AOI supplier possess a technology that will a
Electronics Forum | Mon May 07 18:30:23 EDT 2001 | genny
If a PCB is already going through ICT and some additional inspection method is desired to increase first pass test yield rates, what are the advantages/disadvantages of AOI vs XRay? The most common problems seen are missing or skewed components and
Electronics Forum | Tue May 08 04:58:12 EDT 2001 | Kemosabe
I've never heard of such thing!!! We do occasionally have problems with fiducial recognition and have a difficult time convincing our operators not to use pencil erasers on them. The erasers take care of the recognition problems, but leave shavings
Electronics Forum | Thu May 10 08:56:38 EDT 2001 | stefwitt
I think the main purpose of cleaning a fiducial is not to make them nice and shine, but to get a haze on them. In particular dome shaped fiducials create too much reflection from the light source and distort the image. The eraser pencil is a bandage,
Electronics Forum | Mon May 07 22:25:21 EDT 2001 | Doug Kester
Has anyone heard of a single or double tray holder plate for Siemens Siplace equipment (either OEM or aftermarket). This would be similar to the Universal, Quad, and Zevatech platens for trays that just clip on to the feeder holders. Have only a co
Electronics Forum | Mon May 14 15:20:35 EDT 2001 | stefwitt
You can make up a plate over lapping the tape exit guide and to the right up to the nozzle changer. It should hold three standard size Jedec trays. I used the bases of two old vibratory feeder. No matter what you do, you should use strong magnets to
Electronics Forum | Wed May 09 10:31:35 EDT 2001 | davef
Two things to try, if you don't get direct answers: 1 Use the contact points at http://www.streckfuss.com/wave_soldering.htm 2 Do a net search on "wave solder streckfuss". Call the companies that list Streckfuss wave solder machines in their capab
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