Electronics Forum | Wed Dec 14 10:19:56 EST 2016 | jaktechie
Hello, I am new to this forum but I have a question. We use an Orbotech Discovery Ultra to inspect our photo-tools. We currently use this lint free paper as a contrast material underneath the phototool since the vacuum bed on the AOI is black and ou
Electronics Forum | Thu Feb 09 10:13:37 EST 2017 | swag
Agreed. We machine all our pallets in coolant. No dust but a big mess still results in the bottom of the CNC. You'll burn through a thousand cutters if you try it on a router table. Just doesn't seem feasible. You'd have to take like 0.020" dept
Electronics Forum | Fri Jul 01 17:52:45 EDT 2022 | madisreivik
Hello ! I got very strange problem with Fuji IP3 (year 2000 something) MTU picks up the part and puts it on carrier conveyor Conveyor moves the part into main machine. All the positions are correct, centers etc.. But now, the main machine pick th
Electronics Forum | Thu Nov 03 02:16:55 EDT 2022 | spacecase
Hey I'm having an issue with a samsung 421f component placer. The machine is fine on the first 5 boards then on the 6th or so it just throws them wherever. The problem is the smallest flat components start sticking to the nozzle even after hitting th
Electronics Forum | Mon Nov 20 06:51:00 EST 2000 | Daniel Carlsson
Does anyone have information regarding: -Moisture level (wt%) that may cause delamination in PCB�s. -Baking time and temperature if using a Vacuum Drying Cabinett and if using an air oven. (What I�m most interested of is Poly-Imid-Aramid.) -Are ther
Electronics Forum | Fri Apr 07 10:26:01 EDT 2000 | Ashok Dhawan
I have come across a number of cases where Solder Mask is chipped off or scratched. I was wondering this has anything to do with : **Packing of PCBs in stacks and vacuum sealed **Stacking of PCBs prior to print operation What is general practice i
Electronics Forum | Wed May 30 15:40:14 EDT 2001 | davef
Slappy, Most of our discussions about flex came before the last great SMTnet.com server transition that destroyed the archives. Consider custom building carriers with tooling holes, vacuum line holes, alignment pins, multiple layers, etc. from uncl
Electronics Forum | Fri Dec 17 01:21:54 EST 1999 | Victor Salazar
Weare using a Home plate design on 1210 or larger, 20% reduction on pkgs from 1206 to 1210, 10% reduction on 1206 or smaller, 0 reduction on all leaded components(sot-23, IC's) with a 6 mil stencil. For fine pitch we are using 4mil stencils. We h
Electronics Forum | Thu Jun 10 04:52:36 EDT 1999 | Gyver
Hello all! Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it's the proble
Electronics Forum | Thu Jun 10 04:54:10 EDT 1999 | Gyver
| Hello all! | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it's the pr
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