Unlike adhesive bandages, transdermal patches generally use a solid plastic backing, occasionally with a fabric covering on the outside to look like an adhesive bandage.
Not only were these modern absorbent materials lighter and less bulky, but they became available as an "all-in-one" solution with its own integral waterproof plastic backing.
Like most tape manufacturers, TDK is reticent about how this was done, but evidently a way was found to strengthen the plastic backing.
In the case of disposable diapers, this attraction would be to their crinkly plastic backing.
"Portable Hole" (apply it to a surface, peel off the plastic backing, make your stash or whatever, then remove)
Chen lifted each print off the picture with a piece of clear tape, then pressed the tape onto a clear plastic backing.
After a few years the magnetic recording particles on a diskette can begin to flake off the plastic backing, known as the substrate, causing data loss.
A new-style typeface for the car's model number was adopted on the tailgate, removing the black plastic backing.
This is done either by drilling holes in the bottom of the toy or by removing the entire plastic backing.
Instead the cushions are sewn with a zipper around the outer edge that connects them to a stiff plastic backing.