Electronics Forum | Sun Jun 30 20:00:56 EDT 2002 | redmary
the SOIC encounter solder crack after reliability test, the common process is: SMT---manual soldering---IPT(in process test)---potting---T/C(thermal cycling,only add current and voltage)---B/T and F/T (burn in and functional test). the condition is 2
Electronics Forum | Thu Jul 09 08:14:48 EDT 2009 | rway
We are looking into purchasing a Falcon ICT/FCT from Digital Test. Does anyone have any experience with this company or the machine? 1) How would you rate their technical support? 2) What are the functional test capabilities of their machines (pr
Electronics Forum | Tue Feb 05 14:35:30 EST 2013 | rway
In order to test a reed switch on the Teradyne, you will need an electro-magnet mounted inside the fixture. It will need to be mounted directly under the reed. First perform the passive testing (TVSV or Cont), then the active test. Drive the coil
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
Electronics Forum | Tue Jun 30 15:03:18 EDT 2009 | Geo
Dave, We have both situations where the grounded electrical equipment on the mat has insulative pads or does not have insulative pads. The workstations we have this problem with are test stations where electrical equipment is used on the test bench
Electronics Forum | Fri Sep 12 18:19:59 EDT 2008 | davef
Questions are: * Why aren't the defective LED blinking? * Do the defective LED blink when removed from the board and tested according to the functional test that you used prior to assembling the boards? * Do the defective LED blink after the solder i
Electronics Forum | Thu Jan 08 10:56:13 EST 2009 | aj
Hi, Is there any PTH Assembly after reflow, we found cracked joints on some BGAs which was caused by operators ing Oupin connectors which were a tight fit. This caused the PCB to flex hence cracking joints. One way of checking for this during test
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
Electronics Forum | Wed Jul 18 07:30:18 EDT 2018 | ir11
Dear SMT Experts, Just want to seek for expert advice regarding Ceramic PCB. Our Customer want to run ceramic PCB and want to understand the challenges that we might encounter. Anyone have their experienced running or dealing with Ceramic PCB, what
Electronics Forum | Wed Jun 10 13:26:53 EDT 1998 | Justin Medernach
| If i want to set up an assembly line, what would be the approximate cost for testers? Appreciate any replies. Yuan Yuan, Expect to pay about 300k for a decent ICT system. This price does not include fixtures. You can probably find something chea
