Electronics Forum | Mon Apr 29 05:25:13 EDT 2002 | ianchan
Hi, we do Sn plated I/O pinning insertion into Ni/Au thru' holes. no problems here so far, as we cater for the "interference" (fit-allowances) of the I/O pin into the thru' diameter, via improved PCB thru' hole designs. before this cater/considerati
Electronics Forum | Tue Apr 23 13:51:03 EDT 2002 | Ken Bliss
We get inspected regularly and the only items we have had to ground where flammable liquid drums or a drum that had flammable or explosives fumes (partially full), I cannot see any reason why they would require grounding if no hazard was present. We
Electronics Forum | Fri Apr 19 07:50:24 EDT 2002 | pjc
I used to build flash memory products for M-Systems. Up to 30,000 per week. Nothing special in the process for these boards. 1mm and 0.4mm thick std. FR4 PCBs are used. Double-Sided reflow. The 0.4mm thin boards require process carriers. Panelized 24
Electronics Forum | Sun Apr 21 19:56:57 EDT 2002 | francis khoo
Hello Pete, Very true about the heel fillet. Looks like the pad at pcb has to be designed such that the pad should extend at heel but short at toe. About the encapsulation. I can understand the requirements. Can you provide me with a more detail proc
Electronics Forum | Mon Apr 22 02:48:55 EDT 2002 | ianchan
Hi, a did a study on a FMEA for a government project, and I do not relish going thru that S**T again! Aye laddie, as a QA skirt i must protest! its called a kilt, not a skirt! *grinz* and we dun keep FMEAs in the folder cabinet, there's only room f
Electronics Forum | Fri Apr 19 12:39:10 EDT 2002 | Yannick
Hi Our compagny is in a high Mix, low quantit� production, We have so much trouble with the IC because the buyers don't wnat to pay to have the IC in a reel so we use a vibratory. Some operator are very good to make the vibratory work well but so
Electronics Forum | Sat Apr 20 03:04:23 EDT 2002 | yngwie
I've just got a job in a new company and my 1st assignment is to draft the High Mix Low Volume Implementation plan. Currently this company is under a massive JIT process. It is impossible to balance capacity in a non-repetitive high-mix manufacturing
Electronics Forum | Wed Apr 24 21:30:31 EDT 2002 | davef
* Determine the separate things you have to accomplish. * Count the number of times you need to do those things. * Price the amount of work. If you need to inspect your work to meet your customer expectations, then inspect your work. [Some of our c
Electronics Forum | Mon Apr 29 10:42:47 EDT 2002 | Jim M.
I had problems with white residues on both WS609 and WS 3060.The WS 3060 turned out to be a carbonized material.The composition after analysis (Energy Dispersive X-ray spectrum) turned out to be tin,tin,phosphore and cloline and tin. Alpha also have
Electronics Forum | Wed Apr 24 10:32:47 EDT 2002 | dougt
BGA's are sometimes difficult for a camera to recogonize as your not looking for the dark outline of a part with white lighting behind it but rather the white balls with in that dark component. If you don't mind experimenting a little I would play wi
