Electronics Forum | Sat Mar 28 16:32:23 EST 1998 | Frank Cumbow
Manny, I have serious interest in the 382's that you have to offer. Please contact me at my work number (1-800-969-1331)between the hours of 9:00-6:00 on Monday March 30. If all is in order, my intent is to buy multiple units for delivery ASAP. Tha
Electronics Forum | Thu Feb 12 16:50:40 EST 1998 | Igmar
I would appreciate any information concerning the wash and bake of blank Printed Circuit Boards before assembly. + Is it necessary to wash and bake PCB�s before assembly? + If any, what is the reason for wash and bake of PCB�s? + If any, what type of
Electronics Forum | Wed Mar 11 00:09:13 EST 1998 | Fabian Morales
I haven't worked with Protecto but I have seen very good results using a no-clean flux and a nitrogen atmosphere in the reflow oven. | Entek or Protecto? | I've hear Kester's Protecto is a very good OSP that may be more assembly process-friendly th
Electronics Forum | Fri Jan 30 12:57:19 EST 1998 | Rin Or
| We are facing some placement problems with | our QUAD 4-C. | Program was running fine last week, Next week | program will be off (placement, pickup,vision files | etc, | Any help, any idea,??? | Thanks This could cause by the xy table clamping.May
Electronics Forum | Thu Jan 29 23:07:37 EST 1998 | Scott
| We are facing some placement problems with | our QUAD 4-C. | Program was running fine last week, Next week | program will be off (placement, pickup,vision files | etc, | Any help, any idea,??? | Thanks I had the same problem on a trio of Quads at m
Electronics Forum | Tue Jan 27 03:06:35 EST 1998 | Vanessa Munoz
I am just implementing a Statistical Process Control to the SMD. A few simple questions: 1. Is it necessary to perform a sampling plan for suppliers inspection? 2. What are the basical points to control ourself and inspection at a supplier? I mean th
Electronics Forum | Fri Jan 23 14:26:25 EST 1998 | Greg Rust
Has anyone experianced Core Dump errors with their MYDATA TP9? My machine (2/96) has 26 million placements and my operators have recorded 253 core dumps in 1996, 238 in 1997, and 18 in January of 1998. We run one job on the machine, period. Our prev
Electronics Forum | Mon Feb 23 21:27:20 EST 1998 | fxb
| I have the following questions with regards to the solder printing stencil design : | 1) Is the Electro-polish process recommended for laser cut stencil ? | 2) Should the aperture walls be slanted at an angle or straight wall, i.e. trapezoidal |
Electronics Forum | Thu Jan 22 12:21:54 EST 1998 | Michael Allen
Is there a standard (JEDEC or other) for "lead sweep" errors on fine pitch (eg, 0.5mm) gull wing leads? Parts from one of my suppliers has a sweep error up to 6 mils; the mechanical drawing does not address lead sweep error, nor is there a true posi
Electronics Forum | Wed Jan 28 10:25:20 EST 1998 | Chris Fontaine
I have not been able to find a standard which governs component lead sweep. We use an internal standard of 4 mils here at Sanders, and your 6 mil sweep would definitely be unacceptable. I believe the reason there is no standard governing sweep is b
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