Electronics Forum | Wed Jun 02 20:36:48 EDT 2004 | Ken
I personally would not get involved with any technology as old as the Q4C. I worked in a factory that had about 20 of those and was not impressed. It seemed like there was always some problem (electro/mechanical) and their service was not "world cl
Electronics Forum | Fri Mar 04 10:04:14 EST 2005 | jbrower
We use Alpha UP-78 (Older paste formula) and it works well for what we do. We standardized our stencils at 5mil with a 10% reduction on IC apetures and a home plate design on passive components. Additionally we use laser cut electro-polished stenci
Electronics Forum | Wed Mar 26 20:48:22 EDT 2008 | davef
Sealing clip, clamps used in semiconductor, hybrid packaging * Connor Manufacturing Services; 16233 N.E. Cameron Blvd., Portland, OR 97230; 503-256-0230 F503-256-0246 connorms.com * Electro Assembly Source; 602 Sciandro Dr, Greensburg PA 15601; 724-8
Electronics Forum | Thu Sep 11 16:14:59 EDT 2008 | adamcrum
Our DI system has a carbon cylinder and a mixed bed cylinder. This is from the Mfgr website: "The Technical Devices' Nu/Clean Recirculating Water Deionizing System is engineered to remove all organics, chemicals, and heavy metals via particle
Electronics Forum | Thu Mar 05 22:13:16 EST 2009 | davef
There is no IPC specification on carbon ink. Consider talking to your ink supplier to develop the proper quality definition that you require. Most suppliers have a good understanding of their product performance, for instance: http://www.coates.com/
Electronics Forum | Tue Nov 08 19:25:14 EST 2011 | isd_jwendell
I do not have a answer for you, but it sounds like electro-static charge is making air-borne particles stick to the machine. What are the air handling conditions? Could be you need a better filtration system. I use a HEPA filter system. I've always w
Electronics Forum | Wed Nov 09 09:09:27 EST 2011 | swag
By no means clean room but pretty clean environment. We have ultrasonic air humidifiers maintaining our air at about 45 RH. I agree with you about airborne stuff attaching to electro-static. It's a mystery why it is isolated to four machine, thoug
Electronics Forum | Thu Nov 01 12:58:40 EDT 2012 | bburn
My company is looking to purchase a new selective solder system. We're currently looking at the ACE KISS 205 and the ERSA Versaflow3. I am hoping to get some feedback from anyone who has worked with either of these machines or the companies themsel
Electronics Forum | Wed Apr 09 03:32:49 EDT 2014 | sarason
Place a Digital CRO on that 24V rail. Watch the output. trigger on voltage drop lets say 18V picking a figure out of the air. You may well have another rail in your supply or nearby pulling your 240V //110V rail. Most likely a shot Electro either on
Electronics Forum | Thu Dec 17 06:22:37 EST 2015 | sarason
AN inductor probably 22uH 5A. Check a TDK catalogue http://en.tdk.eu/inductors Another approach is identify the power control IC next to it and look up the App note associated with it, 9 times out of 10 it will be the same as recommended. Are you s
