Electronics Forum | Fri Oct 06 09:16:10 EDT 2000 | Kev Head
All, We are planning to place a daughter board that has a surface mount relay reflowed onto it already. The reason for doing this is a bit complicated and not worth noting here. The process would consist of first placing the SMT relays onto a mult
Electronics Forum | Sat Sep 30 11:59:30 EDT 2000 | jarnopy
Hi! What kind is perfect smt line? It's difficult question. First you must know what kind your production is. Do you have a serial production or do you have a lot of proto series? If you have only few different pcb then you must get placemant machine
Electronics Forum | Wed Sep 27 17:24:08 EDT 2000 | Wolfgang Busko
Ashok: Plating thickness and ductility of the copper are things to look for. If it�s a crack where two layers are pressed together one possible cause could be bad process parameters while pressing these layers together at the PCB shop with the resul
Electronics Forum | Wed Sep 27 13:45:35 EDT 2000 | Bill Schreiber
Dear Dreamsniper, A big hidden cost in any cleaning system is the cost of diminished production and rework. I assume you are cleaning the adhesive stencils manually since there is no equipment cost in your formula. Manual cleaning of adhesive sten
Electronics Forum | Tue Sep 26 15:48:32 EDT 2000 | Dave Hulbert
I'm a bit confused about reading IPC-275 (I know I should have IPC-2221/2222) but I'm sure they are similar. Anyway, I am doing a: Military, less than 100V, non-conformal coated PCB, External Etch Sec 5.3.1.4 Edge Spacing.. (Pg 61) says use Tabl
Electronics Forum | Wed Sep 27 05:15:49 EDT 2000 | Wolfgang Busko
Donna: Independent from your machine capabilities, for I don�t know a Contact 3SX, one thing that I encountered is that it�s often a nozzle related problem when trying to pick a smaller part like in your case. Although a nozzle was specified for a ce
Electronics Forum | Thu Sep 28 15:57:49 EDT 2000 | Chris
Donna, Please email me at nolefthere@yahoo.com and I will give you my work #. I would like to talk to you on this subject. I have been placing 0402s with a Contact 3AV machine since Nov 96. I have too many suggestions and comments to tell you her
Electronics Forum | Mon Sep 25 17:42:40 EDT 2000 | Steve Thomas
Back in October a post went up re: the fact that a solder manufacturer quit recycling paste, and the responses then weren't encouraging, so I'm gonna stir it up again. I haven't figured out what we're going to do with ours yet and it's piling up. N
Electronics Forum | Sat Sep 30 23:57:11 EDT 2000 | DL
I have to agree with Geo. I've a number of years exp. with Quad Machines and currently waiting for the Installation of the APS-1H so I can be trained. However, the quad techs take no prisoners when it comes to chasing down bugs. The Meridian is Quads
Electronics Forum | Fri Sep 22 05:33:59 EDT 2000 | Wolfgang Busko
That "C - it doesn�t matter" choice sounds good because it doesn�t give you a headache when profiling but it gives me a headache when I read the article in the current "newsletter" about profiling where I found this: "If soldering to gold over nick
