Electronics Forum: used equipment (Page 250 of 262)

Re: Air-Vac stuff

Electronics Forum | Thu Aug 19 22:59:48 EDT 1999 | Jeff Ferry

| I'm trying a second time to post this very important message, to me, concerning Air-Vac's following creation. Does any own and use this stuff successfully to remove solder from 20 layer and up MLB's with .020" diameter holes? Also, is any of the ad

Re: Air-Vac stuff

Electronics Forum | Thu Aug 19 23:56:49 EDT 1999 | Earl Moon

| | I'm trying a second time to post this very important message, to me, concerning Air-Vac's following creation. Does any own and use this stuff successfully to remove solder from 20 layer and up MLB's with .020" diameter holes? Also, is any of the

Re: BGA Voiding Problem

Electronics Forum | Sun Apr 25 11:50:08 EDT 1999 | Earl Moon

| | | We are just starting to manufacture a PCB with a .039" fine-line PBGA. We are currently seeing voids, mainly in the center, that are as much as 45%. We also intermittently see the corner balls of the PBGA smaller than the center balls. We are u

Re: How to measure N2 in reflow oven

Electronics Forum | Tue Mar 09 07:06:42 EST 1999 | Charles Stringer

| | | | I need to setup an oven to run with a nitrogen atmosphere for | | boards with BGA's, but our ovens do not have the optional atmosphere monitor and controller. Is there a good way to sample and control the atmosphere without the optional bui

Re: Lost Components

Electronics Forum | Mon Apr 13 16:37:26 EDT 1998 | Steve Gregory

| Wondering if anyone has information on percentage of components that we | can expect to "lose" during our SMT process. We are new to SMT, using | QUAD machines and feel we are losing to many parts during our process. | We are spending a lot of tou

Re: Why is The Forum so slow now?

Electronics Forum | Tue Mar 17 11:16:15 EST 1998 | Scott Cook

| Children, | Let's stop the squabbling. SMTNET is here for us to use. It may run slower but it is still a very effective and necessary tool. It's amazing, as we progress further into the information age, we become spoiled and frustrated about an

Re: PCB Warping.

Electronics Forum | Wed Mar 18 09:03:57 EST 1998 | Earl Moon

| Problem occurs because the glass transition temp for FR4 is lower than reflow temperature. Our company wrote an article which was printed in SMT magazine some years ago | that deals with this exact subject. Best way to deal with this is to use a ce

SMT EQUIPMENT FOR LOW VOLUME HIGH MIX

Electronics Forum | Tue Apr 29 14:13:52 EDT 2003 | stefwitt

My opinion to hold on to your machines was based on the current market situation. First of all, I don�t believe that a customer with ten boards will go to China for prototype production. Truth is, that the remaining market here is the prototyping mar

Solder Paste Thickness Measuring Device

Electronics Forum | Thu Mar 18 12:32:16 EST 2004 | steve_arneson

There are many low cost paste inspection systems on the market today. It really depends upon your overall needs for process improvement. The CyberOptics LSM series of inspection devices use a single laser stripe to calculate both Height, Area and V

New Pick and Place Operation

Electronics Forum | Tue Jan 17 12:25:56 EST 2006 | Cmiller

Pete C, this forum has no value if people do not share thier real world experience. We can all do research on our own. We can all make bad decisions or good decisions based on that research because most of the data we have access to comes from the pe


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