Electronics Forum: defect automated equipment co.

AOI ( automated optical inspection) benchmark

Electronics Forum | Tue Feb 19 13:37:48 EST 2002 | PeteC

When evaluating AOI you must first define what type of inspections you want the system to perform, pre-solder or post-solder. What separates many mfgs. of these systems is how effective they are at finding post solder defects. This is where camera re

testing smt boards

Electronics Forum | Thu Dec 01 21:30:31 EST 2005 | davef

Primary methods used to test assembled circuit boards are: * Automated test equipment [ATE] * Manual bench-top functional test equipment Assembled printed circuit board ATE market segments are: * In-circuit ATE * Functional ATE * Boundary Scan AT

testing smt boards

Electronics Forum | Sat Dec 03 03:56:47 EST 2005 | hamidrezamaddah

Primary methods used to test circuit boards > are: * Automated test equipment [ATE] * Manual > bench-top functional test equipment > > Printed > circuit board ATE market segments are: * > In-circuit ATE * Functional ATE * Boundary > Scan ATE

ICT

Electronics Forum | Sat Mar 10 08:05:09 EST 2007 | davef

Here's your test definitions [clipped from the dictionary in the fine SMTnet Library]: * Test, Automated. Computer controlled electrical testing of parts, assemblies, or finished products. * Test, Built-In (BIT). An electrical testing technique whi

Re: un-tested assembled circuit reject rates

Electronics Forum | Tue Dec 07 14:21:41 EST 1999 | Brian W.

In my experience, the most commonly accepted theory is that 100% inspection is only 80% effective AT BEST. That means that if your inspoectors are happy, noy outside concerns, well-rested, etc, they will catch 80% of the defects. This number goes d

Process control, SMT inspection and rework

Electronics Forum | Tue Apr 09 15:23:05 EDT 2002 | Alan W.

I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i

Process control, SMT inspection and rework

Electronics Forum | Tue Apr 09 15:24:10 EDT 2002 | Alan W.

I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i

Process control, SMT inspection and rework

Electronics Forum | Tue Apr 09 15:24:29 EDT 2002 | Alan W.

I have recently signed onto a company with very little board assembly experience. I am trying to develop a process control and continuous process improvement program for a new surface mount line, but have run into several people who are not really i

SPI

Electronics Forum | Thu Apr 28 01:30:54 EDT 2022 | sophyluo1985

Achieving high reliability and high efficiency in SMT process (Surface Mount Technology) assembly has always been the goal of electronics manufacturers expecting consistency. It depends on the optimization of every detail of the whole process. For SM

Re: SPC on stencil printer/ what's important?

Electronics Forum | Tue Jan 12 21:42:33 EST 1999 | Jon Medernach

What's important in stencil printing (which differs from screen printing) is providing a consistant volume of paste at each interconnect. The process window varies in proportion to the pitch. More than 60% of all defects are related to solder depos

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