Electronics Forum | Mon Nov 27 17:47:23 EST 2000 | Dave F
Gyver: Lemme take a wack [if you�ll excuse the expression, given direction of the later discussion] at your questions. Q1. Will the baking of BGA or PCB cause more oxidation before the SMT process? A1. It certainly will not cause less oxidation,
Electronics Forum | Tue Oct 24 19:50:34 EDT 2000 | Dave F
In response to your questions: * Will a polyurethane squeegee blade help? NO * Will a Pro-Flow head help? NO, but it might be a cool excuse to buy one. Unfortunately, you will look like a jerk, if you talk your boss into buying one and then he /
Electronics Forum | Mon Oct 16 20:33:18 EDT 2000 | Dave F
MK: If you are getting good product with air, here�s what you should do: * Turn off the N2. * Sell that N2 cracker machine. * Pat yourself on the back. * Go out for beers. [Not any of that Canadian Fosters crap, tho][Did you know that Ozzies do
Electronics Forum | Mon Sep 11 04:10:46 EDT 2000 | Jim Arnold
I spent 25 years operating my own hybrid shop working with surface mount components, soldering materials and procedures. Dealing all the while with it's associated surprises and problems such as yours. Now-a-days I get paid to investigate and attemp
Electronics Forum | Wed Jul 26 10:06:19 EDT 2000 | Doug Philbrick
I have read many of the past threads on both topics and I still am not convinced I know the answer to the soldering problem we are encountering. I am hopping someone can help. I have a dense SMT board we are building and have been building for some
Electronics Forum | Mon Jun 26 20:34:14 EDT 2000 | Dave F
Gary: Allow expand on this topic a bit. Back in the gray skied past when people wore calculators on their belts, rather than pagers n Palms, and didn�t drink California spill, they used HASS that you mentioned and HALT (Highly Accelerated Life Test
Electronics Forum | Tue Jun 20 14:19:04 EDT 2000 | Chrys Shea
Hi Mike, The Hadco design guidelines are really good - I was just there. To expand on what Dave said, scoring is an option, but I've never had good luck with it, myself. The scores are either too shallow, and I can't break the boards easily enough
Electronics Forum | Tue Jun 06 14:05:22 EDT 2000 | Jeff Sanchez
Ray, I don't know for sure what exact data Ceeris used to come up with their figures. Did they account for shipping? Was the rework done by expensive equipment? When I read your thre
Electronics Forum | Mon May 15 14:42:27 EDT 2000 | John Thorup
Hi Sal I've used the Stevens product for about 5 years and have nothing but good to say about them. pallets? can't say. The gloves simply extent the finger length by about 0.04" They come in 15" sticks so the length is up to you. Print/reflow contam
Electronics Forum | Thu Apr 27 21:11:00 EDT 2000 | Dave F
Ken: There is no complete package solution to the concerns you have. You need to weave you way through this project. I�m generalizing when: Placement machine OEM: * Knows their machine (your interests are served if this is the proper machine for
