Electronics Forum | Wed Oct 20 07:42:24 EDT 2004 | rlackey
Hi Arman, There are a number of sites dealing with the Corona Effect all with different slants in how it applies to them (Astonomers, physicists, Radio enthusiasts, etc.), but the basic definition I remember from my physics lessons at school is as f
Electronics Forum | Fri Oct 22 07:31:24 EDT 2004 | davef
We're unclear about what you're seeking, but in order to move the conversation along, are you looking for: IPC-SM-782A - Surface Mount Design & Land Pattern Standard ANSI Approved Get up-to-date land pattern recommendations for ball grid array pac
Electronics Forum | Mon Nov 01 10:44:03 EST 2004 | Denis
If you need to loook at lead free ovens then you owe it to yourself to look at Manncorp. You all know our name but did you know that for 30 years we have scoured the earth to bring you high quality low cost choices in SMT equipmenmt? Look at the ne
Electronics Forum | Tue Nov 02 05:28:24 EST 2004 | rlackey
Hi Chunks, That would be due to Mr Dumont asking for recommendations on types of ovens! Yes, I agree paste is a major factor, as is type of board (size, construction, palletisation, heat requirements etc), but also real experiences from users help
Electronics Forum | Mon Nov 08 17:47:58 EST 2004 | davef
Russ: On "usually get some mask material from our board house. It cures with heat so it works really well in our applications.": We're unsure about the type of mask that you are using, but be careful [we used to do this, also]: * Final cure of the L
Electronics Forum | Tue Nov 09 21:10:02 EST 2004 | davef
Some GD saleman [Oops, make that very nice saleman. He took me along for lunch.][Just kidding, all you sales types out there. You know how much I like to put burrs under your saddles. ;-) We kid because we care.] got into the catacombs to wake-up o
Electronics Forum | Thu Nov 11 17:49:11 EST 2004 | pdeuel
We are having a problem with our AP-24x printer. When the vacuum motor spins up we get a 60 hz buzz into the DC drivers for the forcers and the stencle wiper. We also indicate a main power drop from 115 vac to 80 vac. The vacuum motor checks out good
Electronics Forum | Wed Jan 12 07:15:03 EST 2005 | clampron
Good Morning Everyone, This whole lead free thing has really stirred up the hornets nest! I agree that it doesnt make any technical sense to replace a cheap toxic material for an expensive toxic material that costs more, is more expensive to process
Electronics Forum | Fri Dec 17 08:05:00 EST 2004 | davef
Your solder paste is talking to you, follow its message. Listen to the paste. Be at one with the paste. If you insist on ignoring the message of the paste, add more paste, if you just need to complete the last board or so, but you really should ju
Electronics Forum | Thu Jan 06 08:03:47 EST 2005 | davef
On solder in vias: It looks like the via are not solder masked well and pick-up solder either: * Solder coating ... OR * During leveling It's possible that the design specifies openings in the solder mask for these via. On solder in the unsupporte
