Electronics Forum | Tue Jan 22 18:53:37 EST 2002 | barry
Hi all, or anyone. We recently purchased some smd equip. to do our own inhouse assy. Though we did purchase a training package it was short and sweet. What I was wonderin is their any tips on oven profiling, we were told that 90% of our product would
Electronics Forum | Mon Jan 12 14:54:58 EST 2015 | nkrcompany
Hi All, I would like to ask some help from you. It would be very important for me to identify a bad IC. It is located in a 2,4GHz radio frequency receiver, maybe the IC is some kind of low noise amplifier, but I'm not sure about it. It has 5-pin, see
Electronics Forum | Tue Nov 27 15:37:15 EST 2001 | Dave G
I've seen some glass melf's fall off in our facility due to the glue not adhering to the body very well. You could pick these off with your finger after they had cured. (With little or no effort - I never bothered to actually measure the force requir
Electronics Forum | Fri Oct 03 07:49:18 EDT 2003 | mk
Mask Musings. Soldermask (SM) and its functions have changed and evolved over the years. As an ex-solder mask applicator, I can remember screening Colonial High Gloss Epoxy soldermask on boards back in the early 80's, ending up with a thickness that
Electronics Forum | Sat Jan 16 03:06:36 EST 1999 | Wirat S.
| | Our spec on voids is 30% ball diameter in the center. On the component to ball and pad to ball interface, we use 25%. To determine this spec, we asked around. I don't know of any studies that have been done to verify if this is OK | | | | Regard
Electronics Forum | Mon Jun 12 22:00:51 EDT 2000 | Dave F
Could be. What are your profiles? 2) Au finish fail => Could be, but that the connections can be made with hand soldering makes this a low probability cause, assuming the activity of the flux used in hand soldering is not significantly different fr
Electronics Forum | Wed Jun 17 17:09:36 EDT 1998 | Gary Rojo
| I am involved in the purchasing decision (Technical side) of which placement machine to buy. One of the criteria we need to specify is how many feeders, and what sizes. I have a provitional parts list of a job that we are most likly going to build.
Electronics Forum | Wed Jun 17 08:28:51 EDT 1998 | Steve Schrader
| I am involved in the purchasing decision (Technical side) of which placement machine to buy. One of the criteria we need to specify is how many feeders, and what sizes. I have a provitional parts list of a job that we are most likly going to build.
Electronics Forum | Fri Feb 07 16:36:30 EST 2003 | jonfox
About as good as you are going to get for a general (broad) package download is from the two dummy component companies listed. If you want something better and corresponds to the parts that you are using (not dummy parts) download the data sheets fo
Electronics Forum | Mon Aug 14 10:08:00 EDT 2006 | Paul@Boxborough
sant, When I worked in contract manufacturing, I used Air Vac or SRT systems which are rather large units. They are great for larger boards and BGA's. In my OEM life, I prefer smaller desk top units, which are more adapted to small boards with small
