1956 ibm model 350 hard drive
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1956 IBM Model 350 Hard Drive. 5MB ! 2000 lbs $ 3,000/ month. Just like Moore’s Law. exponentially. GBs. 1980. 1990. 2000. 2010. T ime. Just like Moore’s Law. $1,000,000. exponentially. $/GB. $1,000. $1. 1980. 1990. 2000. 2010. T ime. Trillions of tiny magnets. 100 nm. - PowerPoint PPT Presentation
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1956IBM Model 350 Hard Drive
5MB!2000 lbs
$3,000/month
Just like Moore’s Law
1980 20101990 2000
Time
GBs exponentially
$/GB
Just like Moore’s Law
1980 20101990 2000
$1,000,000
$1,000
$1
Time
exponentially
Trillions of tiny magnets
50 nm
100nm
tinyelectromagnet
7200 rpm
Flying at 10 m/s
2 nm
Electromagnet
Hard Disk
Ground
600 mph
50 nm
Next technology =Heat-Assisted Magnetic Recording
Scientific American Not so scientific
20 nm
laser beam
200 nm
10,000 nm
diffractionlimit
1 Bit
My research:focus light to 20 nm for $1
20 nm
laser beam
200 nm
10,000 nm
diffractionlimit
1 Bit
λ = 800 nmLight
Antennas(really tiny ones)
Most efficient antenna?
commercial in 2 – 3 years
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