Electronics Forum: electrical and test and engineer (Page 1 of 5)

silicone conformal coat and electrical contacts

Electronics Forum | Fri Jan 26 13:26:30 EST 2007 | rw

We are developing a new product that requires conformal coating on the motor controller. We selected a silicone based conformal coat due to its ease of use. There has been disagreement among engineers as to its impact on the motor. We have contact

silicone conformal coat and electrical contacts

Electronics Forum | Tue Jan 30 20:38:32 EST 2007 | davef

NASA Internal Advisory: NASA-Issued Return to Flight Wristbands Contaminated with Silicone [snip] 10. PROBLEM DESCRIPTION: Recently we have been made aware of a silicone problem associated with the "Return to Flight" wristbands. These wristbands are

Test process and test product engineer...

Electronics Forum | Mon Dec 18 01:25:47 EST 2006 | seety1981

test engineer and product engineer... Hi all, Sorry if this topic is not suitable to be in this forum.. anyway,... i would like to know what the different of the jobs scope between the Test Process and Test Product engineer in semiconductor manufac

Automatic Optical Inspection in production -Which test and where

Electronics Forum | Sat Feb 01 04:49:59 EST 2003 | testing

Hi, We currently have several AOIs on our production/test line which I feel as an engineer, are not being used to their true potential. Does anyone have any ideas on how I can improve their use i.e SPC, Placement in the production line etc since we

Tp9 and Tp9 ufp

Electronics Forum | Thu Oct 27 20:37:49 EDT 2011 | tech1

the calibration error sounds like it is an electrical verifier issue. Are you testing parts before you place them? It could be that your centering electrodes are worn or dirty, or it could be the ribbon cables from the centering unit. If you are usin

QFN's and LGA's

Electronics Forum | Wed May 20 17:56:51 EDT 2009 | dyoungquist

I have attached a pdf showing the dimensions for the QFN we placed. First, The pins on the part are not only on the bottom side but also wrap around to come up each of the 4 sides of the part as shown in the side view in the attached pdf. This i

PDBE and PBB replacements???

Electronics Forum | Fri Mar 11 18:30:50 EST 2005 | davef

Russ: In December 2003, the European Commission released the following statement: �The commission services have prepared a draft Commission decision establishing maximum concentration values pursuant to Article5(1)(a) of Directive 2002/95/EC. The pr

UPS and ROHS Compliance

Electronics Forum | Thu Jun 15 18:15:34 EDT 2006 | nickel

If you have time, download the free Practical Guide to Understanding the Scope of the WEEE and RoHS, you will find what they say about UPS. They consider UPS out from the field of application of RoHS. ORGALIME (Bruxelles)is the European Engineering

Geometric Dimensioning and Tolerancing

Electronics Forum | Sat Jun 06 09:53:59 EDT 1998 | Earl Moon

GEOMETRIC DIMENSIONING AND TOLERANCING (GDT) Using and applying GDT to printed circuitry and assemblies is very much like applying it to any other design for manufacturing (DFM) or design for assembly (DFA) requirement using concurrent engineering (C

Affordable VisionBot Pick and Place Machine

Electronics Forum | Tue May 05 18:37:08 EDT 2015 | visionbot

Hi! I am Alexandru and I am a maker. Right now I am trying to build VisionBot which is a Surface Mount Technology assembly shooter that can be used to place SMD chips onto Printed Circuit Boards for PCBA. Practically the Vision Bot machine will ena

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