Electronics Forum: /09 (Page 1526 of 1632)

Re: Minimizing Board Warpage During Reflow

Electronics Forum | Wed Jun 03 09:04:19 EDT 1998 | Steve Gregory

Hi Anthony! Earl's right, things can get rather involved when you start discussing ALL the things that affect whether or not a board is going to warp. The way I look at the issue is try to separate the warp issue into two catagories; 1. The board bei

Re: technical stuff review

Electronics Forum | Mon Jun 01 09:32:29 EDT 1998 | Dave F

| This message is to Cunli and his great staff who keep us flying straight and level while reminding us always to keep our nose down in the turns. (can't keep from doing some of that pilot "s__t" Mav. | I, I mean we, would like to post some tempters

Re: CCGA

Electronics Forum | Sat May 30 18:09:17 EDT 1998 | Earl Moon

| Got handed an assignment for which I'm not totally qualified. Don't expect this forum to had me all the answers. Some answers are obvious as the device types are fairly self explanatory. | As everyone knows, IBM had problems with their ceramic BGA

Re: SMT Pick and Place

Electronics Forum | Wed Jun 10 06:36:09 EDT 1998 | RogerB

Were in similar situation last year and opted for the Mydata. Very satisfied ! | | Our company is currently looking to implement a SMT production line. What I am looking for is feedback on people's experiences with various machines. | | Here's what

Re: 1206 Jumper

Electronics Forum | Thu May 28 09:30:42 EDT 1998 | Chrys

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Re: QP2 vs GSM

Electronics Forum | Tue Jun 09 00:31:56 EDT 1998 | Dave McDermid

| We are currently comparing the Fuji QP2 machine to the Universal GSM. The primary use will be for QFP's down to .4 mm pitch and for 300+I/O BGAs. My initial input has been that you spend alot of time tweeking PD's on the QP because the vision sys

Re: Posting technical articles

Electronics Forum | Fri May 22 09:19:12 EDT 1998 | Chrys

| | We applaude you for your fine efforts and providing us all a place to lodge our intelectual information. Some of us were talking and wondered if you might help us with a place to park some of our past technical (non commercial) articles as a way

Re: Furthermore:

Electronics Forum | Fri May 15 21:09:14 EDT 1998 | Steve Gregory

| | If you have a chance check out the MSD artical (Page 69) in April Electronic Packaging & Production. It is one of the worst articals with unsubstantiated conclusions I have ever seen. Notice Figure 3 on page 72, Caption indicates two simular co

Re: Update on Rotary Chip Waves

Electronics Forum | Tue Jun 09 00:53:06 EDT 1998 | Dave M

| | | Last week I posted a message on rotary chip waves that stated that the drive shaft had a protective boot around a u-joint that degraded and exposed the joint. | | | Someone from the manufacturer read it and contacted me. He told me the problem

Re: Wrong Forum ?

Electronics Forum | Thu May 07 10:09:24 EDT 1998 | Cunli Jia @ SMTnet

| I thought this was a forum for equipment only. We were asked to take OUR messages off of the other SMTNet forum. I see many messages concerning process related issues that don't have anything to do about buying, selling or servicing SMT equipment


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