Neither. What you don't seem to understand is neither how physically data gets stored nor how data rescue works.

On your very picture a magnetic disk is visible - that's where the storage is. You don't need the original case, head or even platine.

Now don't get me wrong please: I highly doubt that w complete reconstruction is feasible. Instead what I'm trying to convey is that the amount of data still on a trash heap that you transformed this disk into is for me utterly impressive.