HP Forums
thickness of hp41 mag cards ? - Printable Version

+- HP Forums (https://archived.hpcalc.org/museumforum)
+-- Forum: HP Museum Forums (https://archived.hpcalc.org/museumforum/forum-1.html)
+--- Forum: Old HP Forum Archives (https://archived.hpcalc.org/museumforum/forum-2.html)
+--- Thread: thickness of hp41 mag cards ? (/thread-1395.html)



thickness of hp41 mag cards ? - mark french - 03-26-1999

making a repair to goo-ey pinch wheel of a hp41 reader, but don't have any hp cards, anybody know thickness of them so i can make a test strip (like, how thick are 50 of em stacked together, whatever)...or can anybody send me a spare one with a program on it that I can try, I can return it + $1.00 for your trouble...thanks!


Re: thickness of hp41 mag cards ? - Christopher B. Ladd - 03-26-1999

They are exactly .0085 in. thick each. Oddly enough I happen to have a few blank mag cards and a pair of micrometers right by my computer.