Electronics Forum: low (Page 238 of 348)

Low VOC stencil cleaning fluid

Electronics Forum | Wed May 21 14:44:38 EDT 2003 | blnorman

We currently use Vigon SC-202 in our spray in air system. SC-202 has 830g/l VOC content, so I don't know if that will help reduce your VOC's or not. We used Smart Sonic 440-R in ultrasonic application with great results, but we haven't tried it in

"New" pick and place ?

Electronics Forum | Wed Jun 04 06:37:10 EDT 2003 | cdowny

I am looking into pick and place for medium to medium-high production with semi frequent changeovers. I have been looking for a little while and nosed around at APEX also. I am not interested in any used products, I have been down that road before

Another Lead Free question ?

Electronics Forum | Tue Jun 10 08:27:18 EDT 2003 | davef

Q1: Suppose I want to qualify a SMT product for lead free, do I need to use a lead free solder paste or any other normal solder paste will do ? A1: Today, most solder pastes contain lead [Pb]. Q2: What are the impact of using a lead free solder past

Wave soldering profiling

Electronics Forum | Thu May 06 19:56:30 EDT 2004 | bruceatknoll

Here is some more info with regarding my Wave. 1. PCB .065" thick 2. leed length .20" (.135" protrution) I know this is high but we use many thousands and cutting each is not practical. 3. no clean flux by way of foam fluxer 4. wave machine is a HOL

Wave soldering profiling

Electronics Forum | Fri May 07 12:39:01 EDT 2004 | rontdc

Bruce, Using a foam fluxer with no-clean flux is a very touchy situation. It is imperative that the specific gravity of any flux be maintained within the manufacturers recommendations. If it is not, you will get icicles and bridging. Maintaining the

Reflow process

Electronics Forum | Thu Jun 12 03:34:23 EDT 2003 | sanjeevc

I would like to ask a question about SMT reflow > process. I did 10 pcs samples but all is fail. > The sample is double faces to have components > (up-side has 4 pcs of BGA and down-side has 3 BGA > and 2 QFP). And I saw some of BGA which is > t

Cracks on ceramic capacitors.

Electronics Forum | Mon Jul 07 11:45:45 EDT 2003 | lromero

Do you know what the maximum temperature rating is for the devices. But in my past experience you could be seeing the following. Excess thermal ramp rates typically you would like to see 2 to 3C/sec in the reflow oven, if it is greater than this i wo

Parts information from Gerber files

Electronics Forum | Mon Jul 14 17:18:28 EDT 2003 | davef

good - check low cost - check getting part position info - check getting part rotation info - ooops, dang!!! Hey, 3 otta 4 aint bad, especially when you consider it's FREE!!! 3 Drawing viewers 3a Gerber viewing (viewer) View Mate (View only) -

Samsung Placement Machines

Electronics Forum | Tue Sep 23 07:44:24 EDT 2003 | Peter VanHeusden

Shortlisted a Samsung machine CP45FV for purchase > for a medium speed application. Any feedback on > your impressions of Samsung machines in general > and also in terms of company, service, support, > software etc. that you would like to share w

Has anyone looked into Vacuum storage on moisture sensitive devi

Electronics Forum | Tue Aug 19 12:15:37 EDT 2003 | D Peter

Again, that is for packaging, rather than moisture removal or storage. Those guidlines are for several reasons, preventing low pressure outgassing or disassociation of the dessicants, damage to parts or wafer tray due to forces on the evacuated pack


low searches for Companies, Equipment, Machines, Suppliers & Information