Electronics Forum | Thu Apr 12 13:23:18 EDT 2007 | slthomas
On the contrary, IPC-610 refers to flat ribbon leads in the same context as gullwing and "L" leads. I've always assumed that they were one in the same (could be wrong here...certainly wouldn't be anything new) and have never seen L or flat ribbon r
Electronics Forum | Mon Dec 20 16:22:45 EST 2010 | rkondner
When you say Fine Pitch is this .5mm or is it smaller? I wonder what problems they experienced with HASL, the only problem I recall hearing was the surface was not flat. When applying paste with a stencil I can not see how the flatness is an issue.
Electronics Forum | Wed Sep 25 15:36:07 EDT 2002 | Jacob Lacourse
Hello all, our company is having issues with boards that are coming in warped. According to IPC-TM-650 it is said that one should use a flat plate when determining acceptability of warpage. What I would like to know is: 1) What should we be using
Electronics Forum | Tue Mar 14 21:09:20 EST 2000 | Dave F
Emmanuel: Take Jax's word. NiAu (ENIG) primary (some would say only) redeeming characteristic is its flatness that you mentioned, but that flatness appeals to folk placing fine pitch devices, rather than BGA. Good luck. Dave F
Electronics Forum | Tue Mar 14 21:09:20 EST 2000 | Dave F
Emmanuel: Take Jax's word. NiAu (ENIG) primary (some would say only) redeeming characteristic is its flatness that you mentioned, but that flatness appeals to folk placing fine pitch devices, rather than BGA. Good luck. Dave F
Electronics Forum | Wed Jan 19 11:52:34 EST 2000 | Dave F
PC and Erico: Are yinns talking: 1 A component that will not lie flat on the board? 2 A component that will lie flat to the board that you can't get to solder to the pad? 3 A pad that is no longer attached to the board? 4 Something else. Whazit?
Electronics Forum | Sat Dec 04 12:47:36 EST 1999 | Robert Halliday
Run a DTI over the X and Y edges of the table to ensure that your XY table is flat, adjust the four small screws to suit. Also check that the Z cams are not worn and that the Z cam followers are not siezed or worn(they are prone to flat spots when wo
Electronics Forum | Fri Feb 27 11:22:46 EST 2004 | pjc
Contact Insertech N.E. Inc. at 978-433-3116. They are a used equipment supplier up in MA. I was in their shop recently and saw two wave exit conveyors- flat belt.
Electronics Forum | Thu Aug 11 14:10:31 EDT 2005 | kmorris
Okay....we're all familiar with "J" leads and "Gull wing" leads on SMT components.....can anyone elighten me on what a "flat ribbon" lead is?? Can you supply a picture? Thanks in advance.
Electronics Forum | Thu Aug 11 16:38:36 EDT 2005 | russ
Don't have a picture but a ribbon lead is jaust a flat lead with no standoff capability. look at a SMT electrolytic cap for this lead type.
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