Electronics Forum | Wed Apr 01 19:17:08 EDT 2009 | Peter
Hi Tom, Thank you very much. I saw the MCH file and printed out. I am still trying to download the manual. It will take a while. My intention to use this machine is to mount some IC with 24mm wide tape. By the way, do you know anyone sells such used
Electronics Forum | Tue Apr 14 09:45:31 EDT 2009 | meritajs
Hello, Peter I suppose you could find Philips feeders here http://www.equipmatching.com/used_equipment/2/5/77099.php At this site you can put your ads about wanted equipment. We bought here many used Equipment for exelent price Best regards Peter
Electronics Forum | Wed May 20 09:52:50 EDT 2009 | dwelch123
Use a push/pull tester. I use an OBA inst. works Ltd. tester. Just because mask comes off with bonder doesn't mean bonder is strong or cured right. Mask can be weak in between pads do to area size. Do it right and you'll know for sure. To many people
Electronics Forum | Tue May 19 15:06:36 EDT 2009 | c111
we had many problems with this. there is no standard that I could ever find. we came up with our own after weeks of headaches. we use 25% as our guide line we use window pain only for the center paid to allow for out gassing and reduce 15-20% globaly
Electronics Forum | Mon May 18 08:59:41 EDT 2009 | ozgurv
Dear All, Does anyone on the forum have experience with underfilling process of bga? We have a component with 0.5mm bga on one of the new products. Customer wants this component to have an underfill. Questions - 1) which kind of epoxy or chemica
Electronics Forum | Thu May 28 23:03:15 EDT 2009 | davef
10kv on the surface of the board. To avoid this charge: * Use an electric paint sprayer to apply liquid -base conformal coating * Purchase a metal nozzle for an electric spray gun so that it can be connected to ground * Use a nuclear ionizer where th
Electronics Forum | Wed Jun 10 08:43:32 EDT 2009 | rgduval
We use Advanced Circuits out in Colorado for a lot of our builds, and are quite happy with their quality and service. Other houses I've used that may be appropriate for you: Vermont Circuits Electropac Both have excellent quantity. I know that Ver
Electronics Forum | Thu Jul 02 10:52:45 EDT 2009 | dyoungquist
For 0402s we use type 3 paste. We have .006 and .005 stencils. The .006 works okay but .005 seems to give us slightly better results. We use a 1:1 ratio for the aperture to match the pad, round pad not needed. With accurate placement and a correc
Electronics Forum | Mon Jul 13 07:10:17 EDT 2009 | hcarrasco
1.- If you are using polyurethane squegges , they ned to be changed. 2.- Verify your printing parameters of pressure & Speed , It seems that your pressure & speed are high. 3.- If you are seeing excess in one side and insufficiency in the opossite
Electronics Forum | Wed Jul 08 11:51:32 EDT 2009 | davef
We know nothing about your product, it's end-use environment, possible compatibility with other materials, and on-and-on. These may help * http://www.pprc.org/pubs/techreviews/noclean/notech.html * http://www.smtinfo.net/Db/_No-Clean%20Technology.h
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