ExtremeTech
Graphene Could Radically Improve Hard Drives, If We Could Only Make the Stuff By Joel Hruska on June 9, 2021 at 7:30 am
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It’s been a while since we talked about graphene. While the substance drove a wave of innovation and discovery some years ago, practical problems with manufacturing have kept it out of most products. Researchers have discovered that it could be phenomenal for hard drives, but we’ll have to solve a lot of problems with the material before that can happen.
Hard drive manufacturers have turned to increasingly esoteric methods of improving performance and capacities. Helium-filled hard drives are common in data centers and enterprise markets. Using helium inside these drives reduced their operating temperatures and allowed manufacturers to fit more platters into the same physical space, partly by reducing the space between each platter. More recentl
Магнитные пластины с графеновым покрытием позволят вдесятеро увеличить ёмкость жёстких дисков
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Жесткий диск с графеном сохранит в 10 раз больше данных
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The study, published in Nature Communications, was carried out in collaboration with teams at the University of Exeter, India, Switzerland, Singapore, and the US.
HDDs first appeared in the 1950s, but their use as storage devices in personal computers only took off from the mid-1980s. They have become ever smaller in size, and denser in terms of the number of stored bytes. While solid state drives are popular for mobile devices, HDDs continue to be used to store files in desktop computers, largely due to their favourable cost to produce and purchase.
HDDs contain two major components: platters and a head. Data are written on the platters using a magnetic head, which moves rapidly above them as they spin. The space between head and platter is continually decreasing to enable higher densities.