Electronics Forum | Sun Oct 17 23:17:01 EDT 1999 | MJI
I'm interested in the various ways to assure that the fingers on a wave machine are not bent or crooked - beyond a monthly or quarterly maintenance regimen. In fact, how do you know all's well even right after maintenance? That is, making sure that
Electronics Forum | Wed Jun 25 06:43:06 EDT 2003 | cyber_wolf
We are currently producing a board for a customer that has about 400 gold fingers that get wire bonded after the assy. leaves our facility. We have tried many different approaches to ensure that we are not getting solder on the gold fingers. Nothing
Electronics Forum | Fri Mar 13 17:09:49 EDT 2009 | kmorris
We have found very small solder deposits on the gold fingers of some PCI boards after assembly at our CM. In the IPC-A-610, it says that no contamination or solder is allowed in the critical contact area. 1. I'm looking for feedback on what others
Electronics Forum | Fri Dec 22 10:29:49 EST 2000 | CAL
I searched the internet to find out more on your plastic fingers and came up with a little info. http://thinkingproductivity.com is the only link I could find for "plastic Fingers" Here is the clip from there site:"We represent Jafco's full line of
Electronics Forum | Fri Oct 22 11:25:03 EDT 1999 | Boca
I understand what you're looking for, criteria which determmines a good or bad finger. I have not found anything as cut and dried at that, we just eyeball them. If they are very bad they should stick out like a sore thumb. We check for them each s
Electronics Forum | Tue Jan 21 13:40:00 EST 2014 | rgduval
If you're using the Kapton tape to protect the gold fingers from solder splatter, my first instinct is to say,yes, you do need it. I've had the pleasure of paying to have gold fingers reworked in the past. It is not in-expensive; certainly not equa
Electronics Forum | Thu Dec 21 17:17:36 EST 2000 | Lee
I was talking to a field rep. for Electrovert when they installed my last machine about bent fingers. He told me there was a aftermarket source for rigid fingers that were made out of a thermoplastic that would shear off rather than bend. Is there
Electronics Forum | Tue Sep 05 03:09:57 EDT 2000 | Gyver
Hi Dave, Thanks for your great help! Well, gold fingers are always on any kind of cards, right? Or you were confused by my poor English...sorry!:-( Now we are going to implement some kind of method to prevent the gold fingers from being contaminated
Electronics Forum | Mon Oct 18 11:42:04 EDT 1999 | Dave F
Each month: 1 Follow your regimen of inspection and replacement of pathetic looking fingers 2 Routinely replace every Xth finger each month. (Or something like that) Select the "X" based on your local conditions. Obviously, the replacements shoul
Electronics Forum | Fri Nov 13 20:17:35 EST 1998 | Chuck Garth
| | I believe that gold fingers on my circuit boards are being | | contaminated and need to clean them with some chemical | | solution. Any recommendations. | | | Chuck: What is the type and source of your contamination? Dave F | We are using a s
