Electronics Forum: solder joint inspection (Page 1 of 372)

Post reflow solder joint inspection

Electronics Forum | Mon Feb 02 17:52:11 EST 2004 | swagner

We are not having a problem, we have a customer that would like us to use post reflow AOI to inspect the solder joints to class three. I would like to see if anyone is having sucess doing this.

Post reflow solder joint inspection

Electronics Forum | Wed Jan 28 14:35:12 EST 2004 | swagner

Has anyone in the industry had even a fair amount of success inspecting reflowed solder joints to IPC class 3 standards? I am not interested in hearing from system reps or people who work for an AOI manufacturer. Thanks,

Post reflow solder joint inspection

Electronics Forum | Mon Feb 02 12:36:41 EST 2004 | paul_bmc

90% of the assemblies our company produces are class 3 and we have no problem at all inspecting or getting class 3 quality through reflow. Rarely do we have touch up because of insufficient or poorly reflowed solder joints. What are the problems you

Post reflow solder joint inspection

Electronics Forum | Tue Feb 03 12:24:56 EST 2004 | swagner

Paul, do you have any kind of false failure data for the application you struggled with? Also what amount of manpower did you use to operate the system(s).

Post reflow solder joint inspection

Electronics Forum | Tue Feb 03 12:39:20 EST 2004 | paul_bmc

We had the data at the time and it was quite high. More false calls then anything. I do not have the data anymore it since has been archived. When the system was introduced we had 1 engineer and 2 operators trained for programming and running the

Post reflow solder joint inspection

Electronics Forum | Tue Feb 03 06:52:45 EST 2004 | paul_bmc

About 2 years ago our company tried to go with a post reflow AOI inspection. This AOI was suppose to be able to inspect to a level class 3 product. **It is impossible** You cannot inspect for a heel fillet and inspecting for poor wetting is a very

Post reflow solder joint inspection

Electronics Forum | Mon Feb 02 22:01:24 EST 2004 | Dean

I find this disturbing when customers dictate your process and equipment? Your responsibility is to deliver a quality product on time. Why would your customer care HOW you achieve this? Hence the success of Chinese manufacturing. I have one custo

AOI for solder inspection

Electronics Forum | Sat Nov 07 14:05:43 EST 2009 | doremi

Hi, I have 4 years as an AOI Process Engineer and we are working with 3 types of AOI - Marantz 22X, VI3000 and Omron (RNS & VT-WIN2). For solder joint inspection (solder meniscus quality, insufficient solder, wetting problems, shorts (bridges) Omron

Re: Insufficient solder joint

Electronics Forum | Tue Dec 14 11:08:59 EST 1999 | Wolfgang Busko

Hi Paul, you got to find the reason first before any measures can be taken. You have to determine wether it happend somehow at your site or at the boardhouse, you can�t blame them without reason. As long as it is suspected that more of those panels

Re: Insufficient solder joint

Electronics Forum | Tue Dec 14 11:13:43 EST 1999 | Chris May

Paul, I have (as many have) come across this problem due to misregistration of resist at the PCB fab. You didn't say if these boards are inexpensive double sided or costly multis. I know this shouldn't make a difference on quality but I would tend t

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