Electronics Forum | Tue Feb 06 10:55:58 EST 2001 | pjc
Larry, Our specification is 0.075% for our Fuji CP3 and IP2 machines. At or above that figure the Maintenance Dept. has to get to work. We typically see 0.03% to 0.05% on average. The Fuji machines are all vision centering. We have found feeders are
Electronics Forum | Wed Feb 07 12:56:00 EST 2001 | jax
I' ll have to agree with Dave on this one. Just get the information from the Suppliers. The Glass plate, Aluminum board, Glass slugs, etc... are all used to determine if a calibration is needed or if it was succesful.( they can also give you offset i
Electronics Forum | Wed Feb 07 21:51:49 EST 2001 | davef
You're correct that some folk have used microns and other folks have used u" when discribing their ENIG specification. It's likely the the micron folks misquoted their units and it's arguable that participants in the forum should have taken them to
Electronics Forum | Tue Mar 13 12:33:35 EST 2001 | Simply Anonymous
Try calling Quad, I know that they were in development of a feeder designed specifically for 0402. The problem has always been the pick of such a small part, but the placement is very reliable. By way, have you heard that Quad is being purchased by
Electronics Forum | Wed Mar 14 02:04:40 EST 2001 | pjc
zam, each paste mfg. has different "stencil life" times. check w/ your paste mfg's specification for stencil life. also, temp and humidity inside the printer's chamber effects "stencil life" time. we keep ours around 20C @ 50% RH. higher temps and l
Electronics Forum | Wed Dec 20 14:26:47 EST 2000 | Charles Harper
One of my chapter authors,Dr.Rolf Funer teaches a course specifically on evaluating and qualifying new PCB suppliers.Hence,he can give the best and most complete advice here.So,just click on his name in the list of chapter authors at the top of this
Electronics Forum | Thu Jul 20 16:08:18 EDT 2000 | Grant Baynham
Do you have any experience with flip chip applications using lead-free solder, and specifically do you have any information revealing how the process parameters for standard air reflow atmosphere can be modified to match the results for solder reflow
Electronics Forum | Fri May 04 08:38:40 EDT 2001 | gsmguru
In a Nut Shell.... Titration is used to maintain the Concentration level (Solids Content) of a liquid flux. Keeping the concentration level constent ensures repeatable fluxer & soldering performance. Specific gravity measurements can be used to do t
Electronics Forum | Thu May 31 10:40:30 EDT 2001 | davef
See, all those bad thoughts we had ... The guilt, how do we live with it? 3 Spec Fir Tree General Technical Specification 3a Design/Layout: IPC-2221 IPC-2222 3b PCB Fab: IPC-6011 IPC-6012 IPC-4101 IPC-A-600 3c PCB assembly: J-STD-001 IPC-A-6
Electronics Forum | Tue May 08 01:01:24 EDT 2001 | ilanl
The AOI suppliers are not tailoring the systems to the application but are defining the applicability of their system to a specific AOI segment �i.e. �leveraging� the limitation of the technology. Would a AOI supplier possess a technology that will a
