Electronics Forum | Thu Nov 10 23:50:34 EST 2005 | pyramus
Hi everybody! I would like to ask some advice which kind of EMI shielding process is easy to use, economical and at the same time efficient. I've been doing research for different kinds of shielding process to be used in our product. Can anybody gi
Electronics Forum | Sat Nov 12 07:25:26 EST 2005 | GS
In other words it should mean that Lead Free Soldering Process (this SACs era, and not for istance classic Lead Free Sn/In used since many years ago) is still a "Baby Technology" and so we need experience and feedback from the field before to issue
Electronics Forum | Fri Nov 18 08:19:41 EST 2005 | Rob
Thanks for that. It's definitely a tricky one, with lots of yet to be confirmed exemptions. It's particularly confusing with this type of product as it is said to be up for exemption due to lead in the glass of the erase window. However, does this
Electronics Forum | Fri Dec 02 12:34:53 EST 2005 | Kokofiko
Hello, 1st of all thank you. 2. While I was reducing the rottor speed, I've noticed that the engine don't stop immidietly when I disconnect the voltage source. That makes me problem how to control what is the rottor location-How can I fix it up? 3. I
Electronics Forum | Tue Nov 22 08:11:36 EST 2005 | davef
It sounds like you're exhausing your flux activity on this component proir to reflow. We'd start with the reflow recipe suggested by your paste supplier. If the component lead doesn't flow well try: * Raising the peak temperature in 5*C increments.
Electronics Forum | Wed Nov 23 00:22:30 EST 2005 | mskler
Thanx for your only reply!! I already increased temprature now its actualy on board is 240*c. I would like to discuss one more thing if I go for lead free solder paste & using some components wich are not lead free then what will be the result. Has a
Electronics Forum | Wed Nov 23 12:34:35 EST 2005 | PWH
Cartridges/dispenser systems supply even paste volume to the screen. This will help provide the most consistent squeegee roll as well as paste deposition on PCB. Messier, though = much printer maintenance. Some people also like to use a caulking g
Electronics Forum | Sun Dec 04 20:03:37 EST 2005 | stepheniii
Not sure, but I would guess we used less than 100, 500 gram jars last year. Next year probably double or triple that. I think for the first 6 months of operation or so (before I started) they were pretty much using only samples. Nowhere near what a
Electronics Forum | Tue Dec 06 21:48:26 EST 2005 | davef
We thought Bob Willis posted something like that a few years ago, but can't find it [real quick. Maybe someone more patient can.] Anyway, a PLCC68 weighs 4.67gm. On various PLCC size dropping or not: * upto 52 will stay put * 84 will drop
Electronics Forum | Thu Dec 08 22:41:44 EST 2005 | davef
Mike: You're correct, but in better shops there are guys with little black books in their back pocket. They know how to contol their variables and give you a good product. I worked at this plant where we cooked dirt. It glowed orange-red and flow