Electronics Forum | Wed Jan 16 10:40:50 EST 2002 | pteerink
Try Heraeus. They have a nice PCB designed for what you are looking for. Its called the Benchmarker1. Designed specifically for Paste evaluation, but you can use it to test placement as well. No traces on the PCB, although I don't really see why you
Electronics Forum | Sun Jan 20 17:04:52 EST 2002 | arzu
I used to twist them sometimes at times that there were no alternatives. it works fine for a quite a while, than you have to cut and twist them again. I tried to weld them too, but it did not succeed. Further I heard that hard-soldering them (with a
Electronics Forum | Mon Jan 21 01:49:18 EST 2002 | chinaren
hello, One of THT connector we used in production line is packed in ESD blister from the supplier, and then the blister is kept in ESD box. and now the supplier wants to change the ESD blister to plastic material( NON ESD) but still in ESD box. whet
Electronics Forum | Thu Jan 24 11:47:15 EST 2002 | Joe B.
Are there any formalized standards for the properties of solder balls? Example properties: sphericity uniformity(variance) of the ball size distribution surface roughness surface oxidation or other surface treatments/contaminants ?? As someone rela
Electronics Forum | Fri Jan 25 17:33:52 EST 2002 | barryg
I do not know what this plating is, I would check your service manual, or contact the machine manufacturer, our wave machines use titanium fingers, which i believe are not plated. If yours are plated you should be able to contact the manufacture, and
Electronics Forum | Wed Jan 30 05:36:04 EST 2002 | vincent_f
Hello everybody, I would like to use PCB which have expired. I have already planned to bake them in order to avoid pop corn effect but I wonder about some few items : 1) How can I identify the optimal baking parameters ? 2) Even after baking, is the
Electronics Forum | Fri Feb 01 08:35:18 EST 2002 | gregers
PWB shelf life: HASL---3mth ENTEK-- 2mth Before using expired PWB, it is suggested to go thru HASL or ENTEK angain. Ask your VDR to serve this. Re immersion Au, mostly when the thickness under 3u"(micro pores present), the surface gold will serve a
Electronics Forum | Fri Feb 01 16:34:38 EST 2002 | Dave C.
We seem to have an awful lot of reels in our SMT stores that are not made of static safe material. True that many of the components are not static sensitive, but when we run SMT, they are being loaded right next to sensitive components. Is there an
Electronics Forum | Sat Feb 02 22:58:15 EST 2002 | caldon
Yes, SMEMA is being used on Most newest SMT machines in line. The SMEMA Doccument can be down loaded free from IPC at http://www.ipc.org or http://www.ipc.org/html/fsresources.htm SMEMA1.2 is what you will need. This is a great doccument with wiring
Electronics Forum | Thu Feb 07 16:12:17 EST 2002 | Phil the Quality Guy
Recent discussions have risen lately regarding the in-house transferring and handling of populated printed circuit boards using unpainted wooden slats with notches cut in them. Wood may be at the high end of the neutral triboelectric scale but does
