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**Rene Lamontagne**

On 1/15/2016 8:53 AM, Paul wrote:
Mr. Man-wai Chang wrote:
On 1/15/2016 2:11 AM, Paul wrote:

Such a drive, wants to keep the helium inside.
(No need for a breather hole :-) )

I barely remember that Hitachi? Toshina? made a big hard disk that
needs helium inside the drive.

The Hitachi He6 was the first. It took quite a while,
from the first paper launch, until regular users
could find these for sale.

http://www.newegg.com/Product/Produc...9SIA22F3HF7988

The cover on it, is rather plain looking. You would think there
would be a big gas spigot on the side, so you can refill it :-)

http://images10.newegg.com/productim...9555218053.jpg

In this picture, have a look at the head stack. Impressive.
Use the zoom, to get a good look. The other detail which
is rather interesting - almost zero clearance between the
platter and the HDA. And the design doesn't look like it went
overboard in trying to keep the gas inside either. Notice how
the HDA has all those screw holes, and yet the "lid" in the
Newegg picture, shows no screw heads. I almost want to buy
one now, and take it apart :-)

http://www.amazon.com/HGST-0F20577-U.../dp/B00M1YPVX4

Paul

Found some info here on HE6 helium drive

http://www.tomsitpro.com/articles/hg...d,2-921-2.html

Regards, Rene