Electronics Forum | Mon Jun 26 12:39:48 EDT 2000 | Matt McKinley
My facility is getting swamped with new products. We are spending a LOT of time doing PDs. We generally use calipers for this operation. I understand Fuji has a PD developer tool that helps automate PD generation. Has anyone had any luck with thi
Electronics Forum | Wed May 10 22:53:18 EDT 2000 | Tan Kheng Beng
The Cpk collected by placement on glass boards and calibration has been done. All has been fine until we actually try on actual boards with printing. We have problems like insufficient solder due to closed aperture, improper flow of solder on the pad
Electronics Forum | Tue Mar 07 13:21:03 EST 2000 | Tuan Bui
Hi John, Aerofeed,Inc. has the "Dry box" nitrogen cabinets. 215-257-1152 and they are in PA. I purchased one last year and it has been doing a wonderful job for our operations. I use it to store BGAs and micro BGAs after baking. To reduce the cost, I
Electronics Forum | Mon Feb 28 08:18:03 EST 2000 | Engineer
I'm currently researching new rework equipment, and was wondering if anyone had any recommendations. We currently have an older PACE hot air system that has had mixed results. It tends to overheat the board and IC. Is the IR any better, or has hot ai
Electronics Forum | Tue Feb 22 19:21:05 EST 2000 | Peter
I like MPM's 500 machine. I purchased the predecessor model when it was made by SMTech. This machine has programmable pin supports which made setting up for double sided boards really easy. For auto alignment, I think only in-line machines have th
Electronics Forum | Wed Jan 17 20:08:23 EST 2001 | John Dwinell
Hello All, I am looking for any insight RE: reworking the Xilinx 4044XL 40x40 BGA chip. A customer of mine has no trouble removing it, however, when installing with their BGA rework station, the corner solderballs consistently collapse. Has anyone
Electronics Forum | Tue Feb 13 06:43:44 EST 2001 | jackofalltrades
We use AOI in-line on most our SMT lines, and still getting them for the rest our lines. It has cut down on Inspection Time considerablly, justifing the cost. They do take a trained technician to program and that is a little time consuming, but worth
Electronics Forum | Mon Feb 26 07:19:47 EST 2001 | PeteC
Has anybody ever seen round solder lands for 0603 chip components? I've got a new board to build and it has round lands. I've asked the design enegineer why he chose round lands. Waitin for the answer. And the funny thing is all the 0603 chips don't
Electronics Forum | Wed Feb 28 17:42:43 EST 2001 | lileubie
I've used round and optimized ovate pads for the majority of boards used in prior companies. Study after study has proven excellent reliability. Why your sample has both apertures, I could only guess that your customer is testing both. Have you e
Electronics Forum | Wed Mar 14 14:03:19 EST 2001 | mzaboogie
Hello, I have been told to look for open BGA connections, the open ball would appear larger than the others due to the fact that it has not columnized. I have also been told that it will look smaller due to the fact that it has not collapsed. Could
