Electronics Forum | Sun Mar 31 10:03:25 EST 2002 | Bob
Cheers Dave, to answer some of your questions. � The component lead is copper with a tin / lead coating. The pads are standard Copper / Nickel / Gold. � The solder is standard Tin / Lead / Silver (2%) We have a lab that can determine the composition
Electronics Forum | Sat Mar 30 10:50:38 EST 2002 | stefwitt
Some earlier machines with mechanical component alignment could be bought with electrical test options ( Mydata, Siemens o.a.). This is, to my knowledge, the only method to identify chip components prior placement. The downside was a high reject rat
Electronics Forum | Mon Apr 01 09:39:35 EST 2002 | stefwitt
Improving the control process may be not top priority of the machine vendors. In the mean time, investigate how the operators make these errors: Are the same part numbers on the reel, or do you have to use the BOM to translate the part number on the
Electronics Forum | Mon Apr 01 16:51:19 EST 2002 | Bob
One thing to bear in mind when bar coding, make sure that the reel taken off and the new reel being put on is bar coded. What I have seen previously is that operators bar code the same reel twice, for them it is easier, but does will not always catc
Electronics Forum | Tue Apr 02 11:50:58 EST 2002 | slthomas
"Oh. [Howabout if I smack you?]" Like I ever said anything 'bout strings. Sheesh. I'm gonna save this one for future reference. Oughta take a week or two to figure out whether yer trying to make a fool of me or not. ;) Criminy. And I was think
Electronics Forum | Mon Apr 01 05:55:54 EST 2002 | nifhail
Anyone with selective wave experience ? I'm buying the Selective Wave machine and trying to workout the comparison matrix. Can someone tell me what criteria should I look at when listing down the matrix ?...things like, min clearance to the high prof
Electronics Forum | Sat Apr 06 07:44:26 EST 2002 | yngwie
Dave, thanx for your input. Its really helps. Just need some clarifications on : 1) Consider evaluating chimney versus programmable / conveyored machines separately. Question: is there any disadvantages of the programmble/conveyored vs chimney ?
Electronics Forum | Mon Apr 08 22:12:26 EDT 2002 | alex_kirichenko
Hi!! I've looked at few of those. Look very nice and neat, can place and solder vurtually any shape and size.... BUT you need feeders for parts.. and they are not cheap.. I think if you have just a few desighs you can try to justify it, but if yo
Electronics Forum | Tue Apr 16 15:01:55 EDT 2002 | wf
Have you considered point-to-point selective soldering using microflame ? If we look at the excellent points that Dave made.... The clearance required for the microflame is minimal, no tooling plate is required - only to fixture the parts and the p
Electronics Forum | Mon Apr 01 15:55:31 EST 2002 | jax
Alright Dave, I need your special search engine on this one. I am looking to see if there is any way to convert package dimension information ( length, width, lead count, etc..) into one of the following: 1.Gerber, 2.GENCAD, 3.IPC-D-356 I would like
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