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Old 15th Aug 2019, 6:35 pm   #121
Maarten
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Default Re: When did PCB tracks become 'traces'?

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Originally Posted by kalee20 View Post
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To drift slightly, I've seen PCBs (or whatever you want to call them) with one part number in the etch and a different part number in the silkscreen. Turned out that the former was the part number for the bare board, the latter for the populated board.
I've been commissioned to do that! Seems daft - as the silk-screen legend is applied by the PCB manufacturer so by the time the bare board arrives at Goods Inwards it already has the number for the populated board on it, even though it is still unpopulated!
Every manufacturer has their own way of doing that, very interesting.

Philips mostly (very few exceptions, notably Philips France I think) only printed the numbers of the bare PCB and often also of the sketches for the individual layers on the PCB. The assembly number was on a label or omitted altogether.

Sharp printed both numbers on the silkscreen, sometimes with a space to have the last digits (default value ZZ) of the assembly number filled in by stamp or by hand.
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Old Yesterday, 12:23 pm   #122
Lancs Lad
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Default Re: When did PCB tracks become 'traces'?

I'm listening to Just a Minute on R4 at the moment.

One of the subjects given was 'Train Stations'.

It sounded wrong - it should have been 'Railway Stations'!
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Old Yesterday, 2:00 pm   #123
M0FYA Andy
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Default Re: When did PCB tracks become 'traces'?

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I'm listening to Just a Minute on R4 at the moment.

One of the subjects given was 'Train Stations'.

It sounded wrong - it should have been 'Railway Stations'!
Well said!
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Old Yesterday, 5:08 pm   #124
kalee20
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Default Re: When did PCB tracks become 'traces'?

I'll find that on Listen Again, thanks!

Would be interesting if next week the subject is 'PCB Traces!'

Last edited by kalee20; Yesterday at 5:08 pm. Reason: Punctuation
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Old Yesterday, 9:45 pm   #125
rambo1152
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Default Re: When did PCB tracks become 'traces'?

I thought a good game for its sister programme "I'm Sorry, I haven't a Clue" would be to navigate yourself between Arqiva transmitter sites, the first team to arrive at Bristol Ilchester Crescent would be declared the winner.
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Old Today, 10:49 am   #126
DonaldStott
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Default Re: When did PCB tracks become 'traces'?

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I thought a good game for its sister programme "I'm Sorry, I haven't a Clue" would be to navigate yourself between Arqiva transmitter sites, the first team to arrive at Bristol Ilchester Crescent would be declared the winner.
Great idea for a game - I'll start you off with Darvel, East Ayrshire ... !
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