Electronics Forum: timely (Page 921 of 1077)

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Wed Jan 06 04:51:16 EST 1999 | Earl Moon

| | A question for you all! | | | | Back in the good old days, we didn't always know how clean was clean. Much has changed. Much hasn't. | | | | My question concerns cleaning under, through, and around tight spaces. Way back when, we could not clea

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Wed Jan 06 14:54:42 EST 1999 | Steve Gregory

| Steve, | | So good to see you back, old boy! Where ya been???? | | Chrys Hi ya' Chrys! Oh, I've been around...just haven't had a whole lot of time like I used to. The place I'm working at now is a start-up (as you may know, I think I ment

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Tue Oct 12 17:40:01 EDT 1999 | Brian W.

| | | A question for you all! | | | | | | Back in the good old days, we didn't always know how clean was clean. Much has changed. Much hasn't. | | | | | | My question concerns cleaning under, through, and around tight spaces. Way back when, we coul

Re: OA core solder stranded wires

Electronics Forum | Tue Jan 05 18:07:53 EST 1999 | Dave F

| I am looking for information regarding post wave soldering of stranded wires into a circuit board using OA core wire solder. We do a final pass thru the cleaner after the hand soldering but I'm concerned about any OA flux residue that may have wic

Re: Why so little interest in Bulk Fed passives?

Electronics Forum | Wed Jan 06 19:28:35 EST 1999 | Michael Allen

Actually, the capability does exist, even on chip shooters w/ feeder carriages. We've been using Sanyo's cassette feeder on their turret machine (TCM3500) for over a year with 0603 caps. I don't know about Fuji or Panasonic. | I'm not sure I'm off

Re: Why so little interest in Bulk Fed passives?

Electronics Forum | Fri Jan 08 09:25:40 EST 1999 | H. van Leeuwen

| If passive componets are cheaper why aren't they more popular? Manufacturers like Murata and AVX claim availability and substantial cost savings but little interest seems to exist. Why? Your input is greatly appreciated. | Good question... I work

Re: Simultaneous Double Sided Reflow

Electronics Forum | Tue Dec 29 10:36:38 EST 1998 | Earl Moon

| I have been working on this process for a couple of weeks and I know that there are a few other companies in Europe and Japan who are also playing. | | Is there any one who has been running this process in production ? | | Yes I do mean reflowing

Re: Simultaneous Double Sided Reflow

Electronics Forum | Tue Dec 29 12:18:17 EST 1998 | Ryan Jennens

| | I have been working on this process for a couple of weeks and I know that there are a few other companies in Europe and Japan who are also playing. | | | | Is there any one who has been running this process in production ? | | | | Yes I do mean

Re: Wavesolder Bridging - glue dots

Electronics Forum | Mon Jan 04 11:03:14 EST 1999 | Chrys

| | | We have a new PTH board that utilizes lap pads on the B/S. Some of the pads are paired closely together and are aligned at angles (30,45,60 degrees)to the boards direction of travel through the wave. The pads most always bridge together. I rea

Re: uBGA Stencil Thickness

Electronics Forum | Tue Dec 22 14:29:08 EST 1998 | Earl Moon

| | I have a mixed technology board ranging from 50 mil pitch devices to 20mil Qfp's to PBGA-352 at 1.27mm, and 6 Intel uBGA-48 at 30 mil pitch. With all these different package types i'm torn between using a 4 or 5mil thick stencil. The ball dia. is


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