Electronics Forum | Sat Oct 04 00:07:46 EDT 2003 | Dean
" few software bugs"....many software bugs. May I remind you of version 6.10, 6.32 and the still-born 6.34!!! MPM has worked very hard to repair these, though it has taken some time. I have 5 machines from the SM Tech era, mpm500 and mpm1500 era (v
Electronics Forum | Fri Feb 24 14:10:16 EST 2006 | rsmith@z-mar.com
My company is an ESD firm. I have tested many different floors and sell ESD flooring and other products. With that said, here are my thoughts. Unsealed concrete is porous and tests in the 10 6th-8th range here in the southeast where we have decent hu
Electronics Forum | Mon Nov 20 19:49:03 EST 2006 | davef
Sorry for stating this incorrectly. It should been: Bow & twist for bare boards and panels: IPC-A-610 Acceptability of Electronic Assemblies, 10.6: 1.5% for PTH only and 0.75% for SMT, acording to test method TM-650, method 2.4.22 IPC-6012, par. 3.
Electronics Forum | Tue Apr 28 19:43:25 EDT 1998 | Michael Allen
I'd like to find a buyer for the following used equipment: Make: Universal Instruments Model: 4713D Adhesive Dispenser Options: Rotatable dual-dot head (0deg, 90deg) Price: Asking $4K (No reasonable offer refused) I should note that this d
Electronics Forum | Mon Oct 28 18:59:25 EST 2002 | tkenny007
Specs for Bow and Twist for PCBs (IPC-A-610C, 10.6. There may be an update by now). I also have a note in our quality guide referencing (IPC-TM-650, 2.4.22) and (MIL-STD-105D). In summary, a PCB should not bow more than 0.040" with all four corner
Electronics Forum | Tue Nov 09 12:00:41 EST 2004 | Dreamsniper
Problem: PQFP208 Pad Width specified as 11.8 thou, PCB came and they are 9.5 thou. Component Lead Width is 10 thou to 10.6 thou. Operators have difficulty aligning and inspecting. Issue: Fed back to PCB Fab House and they said IPC accepts +/- 20% fo
Electronics Forum | Thu Sep 26 15:28:16 EDT 2013 | joeherz
I know - A stimulating topic.... IPC-TM-650 2.3.28 method calls for a PCBA or PCB to be placed into a bag with solution, shake, analyze. Great. There is a method of doing this testing that focuses on a specific area of a PCB or a component where r
Electronics Forum | Wed Jul 21 20:52:52 EDT 1999 | Scott
| | I have pcb's in which i am experiencing warping. | | the boards are 12.8125" on a diagonal measurement. | | they are out approximatley .010". | | the boards are combination thru-hole,smt, they also have 3ounce copper.what is acceptable,and what i
Electronics Forum | Thu Jul 22 06:54:45 EDT 1999 | Earl Moon
| | | I have pcb's in which i am experiencing warping. | | | the boards are 12.8125" on a diagonal measurement. | | | they are out approximatley .010". | | | the boards are combination thru-hole,smt, they also have 3ounce copper.what is acceptable,an
Electronics Forum | Tue Apr 28 23:48:20 EDT 1998 | Jojo
| I'd like to find a buyer for the following used equipment: | Make: Universal Instruments | Model: 4713D Adhesive Dispenser | Options: Rotatable dual-dot head (0deg, 90deg) | Price: Asking $4K (No reasonable offer refused) | I should note
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