2.5 inch harddrives mostly use ceramic platters with a vapor-deposited magnetizable metal surface that holds the data. But if there is a headcrash...
![](https://blog.noq2.net/content/images/headcrash2-0002.jpg)
...your data can leave the platter in a very permanent, translucent-glass-platter-like way...
![](https://blog.noq2.net/content/images/headcrash2-0003.jpg)
The data layer has become fine dust.
greetings noq2
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