13 Jan
2018
13 Jan
'18
4:32 p.m.
On 01/13/2018 11:28 AM, Al Kossow via cctalk wrote:
On 1/13/18 9:04 AM, Jon Elson via cctalk wrote:
Ah, looks like a 40 MICRO-Inch protective coating.
Certainly not a couple mils of Mylar on both sides of the Oxide.
Jon
I don't know what you are talking about with
Mylar on both sides. They were conventional magnetic tape, a clear mylar
film with oxide applied to one side.
the actual spec is here:
http://bitsavers.org/pdf/dec/dectape/3M_DECtape_Spec_Nov66.pdf