Electronics Forum | Tue Dec 07 14:21:41 EST 1999 | Brian W.
In my experience, the most commonly accepted theory is that 100% inspection is only 80% effective AT BEST. That means that if your inspoectors are happy, noy outside concerns, well-rested, etc, they will catch 80% of the defects. This number goes d
Electronics Forum | Sat Oct 09 09:07:48 EDT 1999 | Brian
| | | Can anyone tell me the formula/method to determine | | | the amount of weight that solder's surface tension can support. | | | (ie: Maximum weight of components soldered onto a bottom side | | | of a board during a top side reflow on a Paste/Pa
Electronics Forum | Sat Oct 09 09:18:21 EDT 1999 | Dave F
| | | | Can anyone tell me the formula/method to determine | | | | the amount of weight that solder's surface tension can support. | | | | (ie: Maximum weight of components soldered onto a bottom side | | | | of a board during a top side reflow on a
Electronics Forum | Fri Oct 01 05:03:28 EDT 1999 | Wolfgang Busko
| | | I am having problems processing immersion gold boards. The achieved solder joints appear acceptable a la IPC-A-610, but the resultant joint does not fully cover the land, i.e. you can still see an outline of gold pad. | | | What is the best way
Electronics Forum | Thu Sep 30 07:03:05 EDT 1999 | Scott Cook
| Hi everyone, | | Greetings! | | I�ve got a 2-layered through-hole PCB�s having the following problems: | | Solder Mask peels after wave soldering at random locations and only at the bootom side of the PCB | Insufficient Solder and some solder ne
Electronics Forum | Wed Sep 29 08:08:53 EDT 1999 | Earl Moon
| | GUYS THANKS FOR THE INFO YOU SENT ME . NOW FOR MY | | NEXT QUESTION. HOW DO I MARKET MY COMPANY? WHERE | | DO I BEGIN TO LOOK FOR NEW CUSTOMERS WILLING TO TAKE | | A CHANCE ON A NEW COMPANY WITH NO PROVEN TRACK RECORD? | | WHAT ARE SOME OF THE Q
Electronics Forum | Wed Sep 29 08:51:34 EDT 1999 | Wolfgang Busko
| | GUYS THANKS FOR THE INFO YOU SENT ME . NOW FOR MY | | NEXT QUESTION. HOW DO I MARKET MY COMPANY? WHERE | | DO I BEGIN TO LOOK FOR NEW CUSTOMERS WILLING TO TAKE | | A CHANCE ON A NEW COMPANY WITH NO PROVEN TRACK RECORD? | | WHAT ARE SOME OF THE Q
Electronics Forum | Fri Sep 24 10:57:18 EDT 1999 | Earl Moon
| Hi Folks: | | We've been having bridging problems on our fine-pitch QFP's, despite thorough inspection of paste height, volume, and placement accuracies....profiles look good also. | | The bridging is happening after coming out of reflow...one la
Electronics Forum | Tue Aug 10 07:28:49 EDT 1999 | Brian
| | | I am having cleaning problems when processing PCB's which have | | | TAIYO solder mask on them. After processing, hand soldering and | | | cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide marks etc. Other
Electronics Forum | Tue Aug 10 15:19:55 EDT 1999 | Earl Moon
| | | | I am having cleaning problems when processing PCB's which have | | | | TAIYO solder mask on them. After processing, hand soldering and | | | | cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide marks etc.
