Electronics Forum: 140 (Page 5 of 19)

Flux appearance

Electronics Forum | Fri Mar 17 07:42:51 EST 2006 | vicknesh28

Copper is the base material for the lead. It's tin/lead plated. I finally got profile. Here are the parameters" Peak : 219 Max (+) Slope : 2.29 Max (-) Slope : -1.94 Time above 200 deg. C : 50s Time 140C - 160C : 126s Additional info : Stencil thic

VIP98N settings

Electronics Forum | Tue Dec 11 16:55:11 EST 2007 | dman97

Hi, I am using a 7 zone Conceptronics oven and Indium 3.1 lead free clean paste. Our profile is as follows, 130 140 150 180 200 240 260 with a belt speed of 36 inches per minute. I dont know if that will help you out though...

Affordable Inspection Microscopes?

Electronics Forum | Tue Jan 15 16:50:44 EST 2008 | gregoryyork

Try Digitus - Microscope Camera with built in LED Lighting. Probably around 140 Dollars we just purchased three not tried mine yet but my reps like them and they go to 200X mag - incredible I think it is http://www.digitus.info thats what it says on

Ultrasonic Cleaners

Electronics Forum | Mon Jun 16 16:18:44 EDT 2008 | dphilbrick

We have used good industrial dish washers in the past. We washed very dense SMT boards with mulitiple BGA's. they always passed Ionic tests. You can buy these for as little as $500. The less expensive ones won't hold up to 140F water and suponifier b

Water soluble mask for wave

Electronics Forum | Sat Dec 19 16:54:43 EST 2009 | edmentzer

We use WSM-90 which is a red water wash off solder mask from Contronic Devices, Huntington Beach, CA, 714-897-2266. We bake the bare board at 150 F for 30 minutes after applying the mask. We run 130 to 140 F DI water in the inline cleaner which rem

Mixing No-clean and water soluble processes

Electronics Forum | Thu Feb 25 15:24:58 EST 2010 | jdumont

We use the OM-5100 and wash it with relatively good results. Just dont let it sit longer than a few days before wash. We've used Zestron AC200 and A-250 in a batch cleaner set to 140 wash temp for 8-10 min @ the recommended concentrations. We have h

Mechanical Delamination at de-panel

Electronics Forum | Thu Jun 12 12:35:52 EDT 2014 | clydestrum

I didn't even think of running a blade down those scores. I will give it a shot and see. The laminate they're using is Nanya NP-140, if anyone has ever used it or has any info regarding it's issues around something like this. We can see resin weave

Water in TH cap sleeves

Electronics Forum | Wed Nov 26 13:20:47 EST 2014 | kkay

We have a lot of large through hole caps and we run everything through a wash process. Unfortunately water makes it's way inside the sleeves that the caps are shrink wrapped in. Has anyone found a way to prevent this from happening? We are running at

Shoot Up Reflow Zone

Electronics Forum | Fri Dec 09 06:33:01 EST 2016 | cyber_wolf

Hold on Carlo, You are saying two different things, you are saying "(Zones 3,4,5,7 & even Cooling Zone). PV exceeds about 5-10 degrees with the SP. (ex: SP=140deg, actual PV = 145deg & higher). " Then you say: "the board reach up to 145 deg. 5 deg

QFN Rework Issues

Electronics Forum | Wed Feb 13 16:38:56 EST 2019 | spitkis2

BTW - in our testing on housings with Sn42Bi57 paste, it took 240 seconds to reach 140C on an aluminum module with a mass of 0.75 lbs. This was from ambient and only using machine preheating before having the top heater turn on to peak at 162C. Sa


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