Electronics Forum: pcb and touchup (Page 6 of 57)

Re: SMD Inspection and Touch-up

Electronics Forum | Mon Jul 26 10:44:08 EDT 1999 | Boca

| There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not performing

small and good pick and place machine

Electronics Forum | Thu Sep 05 23:18:03 EDT 2013 | feiyangniao

There is a new toy I received today: a NeoDen TM-240A automatic desktop pick and place machine! I’ve kept my eyes on this baby for a quite a while, and finally decided to make a purchase last week. The shipping was very fast: DHL from China, a total

PCB Thickness and BLR

Electronics Forum | Tue Jun 25 01:24:25 EDT 2019 | sssamw

That is possibley CTE mismatch between QFN and PCB material, the thicker PCB the higher fail rate.

Re: SMD Inspection and Touch-up

Electronics Forum | Fri Jul 23 13:49:29 EDT 1999 | Bob Neverosky

| | There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not performin

SMT and PCB

Electronics Forum | Thu Nov 12 23:09:30 EST 1998 | Lynn Lai

I want to find information about SMT and PCB: Process Manufacturing How it work

BGA rework and inspection

Electronics Forum | Thu May 30 10:31:03 EDT 2002 | robbied

Hi Yannick. This is an issue that we are just recently getting into but here is some ifo that I have gathered so far. I have seen/ used 2 different rework machines. The one we have bought is a 'PACE TF2000' which was at the lower cost end of the mar

Gold and Palladium Plating

Electronics Forum | Fri May 17 05:12:51 EDT 2013 | ultimatejoker

What is the disadvantage of palladium plating instead of gold plating? I saw many advantage of palladium plating in term of hardness, wear resistance, and price but why most of the PCB Industries still use gold in PCB pad? Thank you

warp and twist

Electronics Forum | Mon Feb 13 23:05:02 EST 2017 | swestheimer

I have been asked a very good question but have not been able to find a good answer. IPC for both PCB and PCBA refer to the X & Y dimensions to measure warp and twist but how would you determine the warp and twist for a round PCB or PCBA?

Re: SMD Inspection and Touch-up

Electronics Forum | Fri Jul 23 23:47:03 EDT 1999 | Scott McKee

| | | There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not perform

Re: SMD Inspection and Touch-up

Electronics Forum | Sat Jul 24 00:04:55 EDT 1999 | Scott McKee

| | | There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not perform


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