Electronics Forum | Thu Jan 24 04:54:43 EST 2002 | wbu
Well Greg, I don�t know YOUR 0805 Pads but if you look at the recommended pattern for 0805 in IPC-SM-782 you might notice that the Z-dimension is somewhat about the size of your 1206 part length. With that and assuming that you ask if the results wi
Electronics Forum | Thu Jan 24 01:14:28 EST 2002 | GregH
What will be the effect on the above with regards, to solderability, solder joint strength, electrical characteristics etc. thanks and best regards in advance.
Electronics Forum | Thu Aug 21 14:38:32 EDT 2008 | Paul M.
I have had a similar problem as this. But, not on that particular type of component. Have your machine place the component, take the PCB over to a microscope and look at the part how it sit's on and in the paste on the pads. You might see that one
Electronics Forum | Sat Mar 30 17:27:45 EST 2002 | davef
You should not have glue "all over the place." Tou should not have glue on solderable surfaces. It sounds like you are stringing glue from one dispense location to the next. Search the fine SMTnet Archives [there might be something there]. Read a
Electronics Forum | Wed Feb 29 06:33:49 EST 2012 | amitsindwani
Please define the defect in following conditions & link to IPC 610 clause/sub-clause no.: 1. 0603 component placed on 0805 PCB pad 2. 0805 component placed on 0603 PCB pad 3. 1206 component placed on 1210 PCB pad and 4. 1210 component placed on 1206
Electronics Forum | Thu Jun 08 23:26:28 EDT 2006 | Shawn Vike
We are a small company, reletivly new to doing our own SMT (1 year) and we are having an issue, I think. We manufacture many board with no problems, but we have one that constently defeats us. This particular PCB has ENIG finish, and we have had th
Electronics Forum | Fri Feb 11 10:14:54 EST 2000 | C.K.
Dave, to answer your questions, point-by-point: � Just out of curiosity, how are second side, skippy components oriented on the board with respect to the wave? The SMD's are all oriented in the "correct" direction with respect to wave direction(i
Electronics Forum | Thu Jul 20 15:37:53 EDT 2000 | Tekguy2000
These parts are flat chip resistor arrays that have 4 end terminations on each side. It looks liek an IC but is typically in an 0805 and 1206 package type with convex terminations. .031" pitch from termination to termination and .011" spacing between
Electronics Forum | Mon Jul 02 20:13:41 EDT 2001 | davef
We agree with Wolfgang. Adding points along his line of reasoning: * Also consider placed component prescience. Sometimes, a mis-pick results in paste on the nozzle, which leads to the next component being stuck on the nozzle and not placed, which
Electronics Forum | Sat Apr 18 10:29:47 EDT 1998 | Steve Gregory
| Have mixed technology board and am interested to hear any info on the Nordson non-contact adhesive dispenser. | I woud appriciate any feedback I could get. I am currently using a contact system and am tired of breaking needles and need a way to spe
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