Electronics Forum: /09 (Page 1086 of 1640)

Excess Flux in uBGA rework

Electronics Forum | Tue Sep 25 09:56:09 EDT 2001 | nwyatt

Hi, thanks for your input. Yes, we do have a rework station - specifically a SRT Summitt 1000 station, but it causes us many problems and is down more than it's up...I do not think that using it would speed up the process at all. As far as accuracy

Researching placement machines - where do I start?!

Electronics Forum | Mon Nov 09 09:18:09 EST 2009 | meritajs

I absolute agree with Adlsmt that your subcontractor was slipshod worker. It’s impossible for normal subcontractor make such fault. For last 15 years I worked for subcontractor firm here in Riga Latvia. Our company was not very advanced. As I said be

IPC-J-STD 005 USER PERFORMANCE INSPECTIONS

Electronics Forum | Wed Sep 20 09:24:09 EDT 2017 | bstogsdill

Hi- I am attempting to determine if the "User Performance Inspections" on table 4-1 are required or are they just optional? Section 4 para 4.2 only refers to Qualification Inspection and Quality Conformance Inspections that are performed by the past

Re: N2 reflow

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

Re: EOS Issue...

Electronics Forum | Thu Sep 09 09:33:22 EDT 1999 | Dave F

| Hello everyone, | Anybody know how to prevent EOS problem? | Recently, we sent some defective IC components to original suppliers for further analysis, but the result is those parts were all damaged by EOS! | Please somebody help us to prevent thi

Re: EOS Issue...

Electronics Forum | Thu Sep 09 09:46:48 EDT 1999 | John Thorup

| | Hello everyone, | | Anybody know how to prevent EOS problem? | | Recently, we sent some defective IC components to original suppliers for further analysis, but the result is those parts were all damaged by EOS! | | Please somebody help us to pre

Re: Reflowing a thru-hole part

Electronics Forum | Thu Sep 09 10:09:15 EDT 1999 | John Thorup

| | | I have a board that has surface mount on both sides . On this board is a 22pin connector which is the only thru-hole part.This part is located on the component side. I would like to reflow this part. Can this be done? If so, how can this be don

Chip capacitor size - Fuji CP6

Electronics Forum | Sat Aug 19 21:06:09 EDT 2006 | mika

Hi all, At our Fuji CP-6 machines we place a lot of 0402:s, 0603:s and 0805:s chip capacitors. Our problem is that the height of the components can sometime be very extreme from different vendors. I am sure you all have experience of this phenomenon

Reflow help needed, Hotflow 5

Electronics Forum | Fri Sep 09 21:09:20 EDT 2011 | hegemon

Wow, a lot of questions here...and you are definitely doing some "tough sledding". To the point. If you have 3 - 22" zones you'll have to calc your belt speed and temperatures to match the solder paste requirements with regard to flux activation an

Re: HAL vs. Silver Coated

Electronics Forum | Fri Mar 10 09:01:44 EST 2000 | Wolfgang Busko

Hi John, we had one shot with silver coated PCBs. With "no clean" and no changes in process parameters ( we had no input on necessary changes from the boardhouse ) we encountered wetting problems in the first reflow soldering process. Later it was s


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