Feeds

HAMR knocks perpendicular recording down a notch

TDK orders deposition tool

Reducing the cost and complexity of web vulnerability management

A manufacturer in the hard disk drive industry has ordered a Heat-Assisted Magnetic Recording (HAMR) deposition tool from Veeco - another sign of the end of perpendicular magnetic recording.

Perpendicular recording won't run out of steam for some years but disk drive manufacturers are already investigating alternatives to increase areal density beyond its recording limit of around 800-900Gbit/sq in. Two approaches have been identified to enable very small magnetised areas of a recording medium to preserve their polarity in the face of surrounding interference.

One is to surround them with a ring of insulating material - the patterned media approach. The other, HAMR, is to use a recording medium which needs localised heating to make a polarity change practicable.

Veeco supplies tools for the manufacture of thin film magnetic heads, and its products include "ion beam etch and deposition, physical vapor deposition, optical and atomic force metrology, lapping and slicing/dicing equipment". It has just announced its first order for a HAMR deposition tool.

TDK, a disk drive head supplier, demonstrated a HAMR head in October last year. There is no collective hard disk drive industry view about whether patterned media or HAMR is the right follow-on technology for perpendicular recording. Seagate has been associated with HAMR more than, for example, Western Digital, and Hitachi GST is thought to be examining both technologies.

Patterned media tool makers such as Molecular Imprints and Intevac have previously reported sales into the disk drive industry. ®

Reducing the cost and complexity of web vulnerability management

More from The Register

next story
Wanna keep your data for 1,000 YEARS? No? Hard luck, HDS wants you to anyway
Combine Blu-ray and M-DISC and you get this monster
US boffins demo 'twisted radio' mux
OAM takes wireless signals to 32 Gbps
Apple flops out 2FA for iCloud in bid to stop future nude selfie leaks
Millions of 4chan users howl with laughter as Cupertino slams stable door
No biggie: EMC's XtremIO firmware upgrade 'will wipe data'
But it'll have no impact and will be seamless, we're told
Students playing with impressive racks? Yes, it's cluster comp time
The most comprehensive coverage the world has ever seen. Ever
Run little spreadsheet, run! IBM's Watson is coming to gobble you up
Big Blue's big super's big appetite for big data in big clouds for big analytics
prev story

Whitepapers

Secure remote control for conventional and virtual desktops
Balancing user privacy and privileged access, in accordance with compliance frameworks and legislation. Evaluating any potential remote control choice.
WIN a very cool portable ZX Spectrum
Win a one-off portable Spectrum built by legendary hardware hacker Ben Heck
Intelligent flash storage arrays
Tegile Intelligent Storage Arrays with IntelliFlash helps IT boost storage utilization and effciency while delivering unmatched storage savings and performance.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Beginner's guide to SSL certificates
De-mystify the technology involved and give you the information you need to make the best decision when considering your online security options.