[Coco] CoCo cartridge PCB thickness

Gene Heskett gene.heskett at verizon.net
Fri Sep 7 09:50:35 EDT 2007


On Friday 07 September 2007, Robert Gault wrote:
>Roger Taylor wrote:
>> Does anyone know the exact thickness of a standard CoCo cartridge board?
>
>They may not all be the same.
>
>The Speech Sound Cart board is .067 inches except for the connection
>area that inserts into the Coco. That seems to be ground or just
>slightly smaller at about .065 inches. Perhaps the difference is caused
>by the paint layers.

I'm reasonably sure that was 1/16", or 0.0625", plus whatever the copper 
thickness may have been.  Back in those days, most copper was fairly robust, 
1 mill or more.  Now you can almost see through it.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Perhaps the world's second worst crime is boredom.  The first is being a bore.
		-- Cecil Beaton



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