Electronics Forum: environmental controls (Page 1 of 9)

Re: Solder paste temp Humidity controls

Electronics Forum | Wed Mar 10 09:52:22 EST 1999 | justin medernach

| We are starting up an SMT line with a printer and convection oven.... The area we are considering for the printer is totally uncontrolled for humidity, temperature and even cleanliness. | | We are working on the filters to keep particulates down,

Printing Problem

Electronics Forum | Fri Nov 19 18:02:03 EST 2004 | valuems

If it is a MPM printer you can install the environmental control unit. But it isn't as simple as most people thinks. You also have to install a thermostat inside the machine. Then there is a wire that is used to turn it on and off, this wire is fr

Re: Handling of moisture sensitive IC's

Electronics Forum | Mon Dec 28 14:57:07 EST 1998 | Earl Moon

| Looking for additional handling and baking information of moisture sensitive IC'c beyond/or inadditotn to IPC - SM - 786 A. Publications, guidelines, baking experience. | Much depends on your environmental controls and those of your suppliers. PB

Solder hole found after reflow

Electronics Forum | Tue Jul 18 09:57:17 EDT 2006 | slthomas

You might try baking the boards before using them. If the problem goes away you might want to look at what sort of environmental controls your board fab guys are using/stuck with/wishing they had.

ECU unit for MPM

Electronics Forum | Fri May 04 11:53:41 EDT 2007 | chrisgriffin

Sorry to post here, but I really need two Environmental Control Units for an MPM AP-25. Does anyone have 1 or 2 they can sell me, or know anyone that does.? Thanks

New PCBA mfg site

Electronics Forum | Thu Mar 21 11:08:59 EDT 2019 | scotceltic

We are setting up a PCBA mfg facility in China. Is there a document that exists (maybe IPC spec) that shows overall facilities setup that is recommended ? Ex. ESD flooring, environmental controls etc. Thanks, Alan

MPM3000 vs 3050

Electronics Forum | Sat Dec 06 23:54:49 EST 2003 | Dean

3000 base model 3010 adds feature 3020 adds features 3030 adds features 3040 adds features 3050...top of the line Sorry I don't have the feature list. It's things like Environmental control unit, under stencil wiper, stencil exchanger, 2d inspe

room for SMT

Electronics Forum | Sat Feb 28 08:15:50 EST 2004 | davef

J-STD-001 has what you need. 3.6 Facilities ......................... 4 3.6.1 Environmental Controls ........... 4 3.6.2 Temperature and Humidity ......... 4 3.6.3 Lighting ......................... 4 3.6.4 Field Assembly Operations ........ 4 3.6.5

Motherboard become NO POST when humidity increase to 90%

Electronics Forum | Fri Nov 20 14:50:13 EST 2009 | davef

One of our instruments has a high impedance front-end. We: * Passed functional test in the environmentally controlled shop. * Failed test, on the same unit, while carrying it to burn-in chambers in an uncontrolled part of the plant. Solder flux resi

FOD

Electronics Forum | Mon May 24 19:43:46 EDT 2010 | jry74

Can anyone share some good practices to reduce FOD in the conformal coat area? I am new and trying to get my hands around a serious FOD issue. We get red, black, blue, and white fibers that gets trapped in our conformal coat, causing a lot of scopi

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