Ignoring the compromises that would need to be made in other design parameters, what factors can be varied to optimise data writability (reduce the write field) in hard disk drive designs?
(Tick all that apply, incorrect answers will lower mark)

Question

Ignoring the compromises that would need to be made in other design parameters, what factors can be varied to optimise data writability (reduce the write field) in hard disk drive designs? 
 (Tick all that apply, incorrect answers will lower mark)

Answer

Increasing the anisotropy constant

Answer

Increasing the number of grains per bit and making the bit edges less ‘fuzzy’

Answer

Decreasing the anisotropy constant

Answer

Increasing saturation magnetization

Answer

Decreasing the grain volume

Answer

Decreasing saturation magnetization

Answer

Increasing the grain volume

Answer

Decreasing the number of grains per bit and making the bit edges less ‘fuzzy’

Crowdly

Ignoring the compromises that would need to be made in other design parameters, ...

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