Electronics Forum | Mon Oct 05 13:15:05 EDT 2020 | proceng1
I am trying to replace the anti-backlash nuts for the moveable rail on my ACCUFLEX Printer. I have parts diagrams, but none show the Y-axis width lead screw assembly. I can't figure out how to disassemble the screws to get the nuts out. Does som
Electronics Forum | Thu Sep 01 18:53:08 EDT 2005 | Board House
Pr. I agree with some of the above responses. if you are seeing Delam issues with incoming PCB's the following should be check. 1) Check the OEM Print to what Material they are calling out to be manufactured with. 2) If they are calling out for S
Electronics Forum | Thu Jul 27 16:54:46 EDT 2006 | pjc
In-Circuit test, or ICT, is the most common method of electrical test for an assembled PCB. It is the most comprehensive and accurate method to ensure that both the PWB and components are working to specification. Not all components however can be el
Electronics Forum | Thu Jan 02 11:35:30 EST 2003 | Richard
Cleanliness test � �Area Grid Arrays�. Evaluation of residues� resistivity in a specific location on the board. (As compared to �Solvent Extract� evaluation.) We are: SMT assembly, using standard �water soluble� process with micro BGAs (example: C
Electronics Forum | Tue Feb 26 17:00:15 EST 2008 | slthomas
I haven't had the luxury of machine based pth assembly in quite a while, but when I did, given that the machines control which parts are inserted (and to a lesser degree where they are inserted) we decided not to perform inspection on that part of th
Electronics Forum | Mon Apr 23 09:37:20 EDT 2007 | davepick
Assuming you are going to build using a Leaded part on a Lead Free Process - beware of Weak Joints. I saw this at a large Multinational company - They had secondary reflow on a Top Side QFP when the PCB went over the wave. We did pull strength tests
Electronics Forum | Mon Feb 26 12:26:43 EST 2001 | CAM
I'm working a problem and looking for your input. Here the deal: Two sided mix technology board. Test is using unmasked via points on bottom for test points. Our fab drawing states tent via points on top side. First set of board came in with no tenti
Electronics Forum | Wed Jan 04 14:59:41 EST 2006 | AOI
I have used all of test and inspection techniques available out there: AOI, AXI, Flying Probe, ICT, and FCT. The reality is that they all have a place in manufacturing based on the type and complexity of product you bild, the industry it is intended
Electronics Forum | Fri Jul 29 06:45:27 EDT 2005 | davef
See: * The supplier guy says, "The assembler blanked the pooch." * The assembler guy says, "The supplier blanked the pooch." Cut the scomponent is half, do a failure analysis, and determine who is correct.
Electronics Forum | Thu Nov 02 17:15:48 EST 2006 | Mike Konrad
Asoe, The systems you are describing are Resistivity of Solvent Extract (ROSE) Testers. These systems are available using one of two technologies, Static or Dynamic. Both systems use a calibrated test solution comprised of IPA and DI water. The t
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