Seagate 1TB and 2TB Ultra Slim Models

I have got 4 of these new series needing head replacement.
Can someone please describe what the inside looks like ? and how to succefully replace heads. This would be highly appreciated.
And is this the future of HDD ? Am already getting worried..

Thank you guys.
 
Bankole ,
I am not a member in their secret section ,So i do not plan to release my secret info in public ,If you want details come on Skype and i will train you on this but make sure that info is and will remain with you
 
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