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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