On 02/15/2012 01:45 PM, dave wrote: > On Wed, 15 Feb 2012 12:26:20 -0500 > gene heskett<ghesk...@wdtv.com> wrote: > >> On Wednesday, February 15, 2012 12:21:07 PM kqt4a...@gmail.com did >> opine: >> >>> On Wed, 15 Feb 2012, gene heskett wrote: >>> A hardrive disk? >> Glass? That doesn't sound like it would be easily worked. Really old >> ones, alu maybe as I expect there's nothing gummy about that alloy. >> I do have a drive or 6 that could be sacrificed on that altar >> though. Packratitis is a serious disease, you could get killed in an >> earthquake that way. :) >> > Ah! yes, but chrome plated glass is perfect for a photoetch job. > If the disc is Al or steel with a chrome/nickel layer on top then > machining should not be too difficult.
It may be harder than you think... When I was maintaining sputtering machines, the first thing we did, was sputter the glass disks with nickel, and then a alloy called CNRPPPT, then pure carbon. After failure analysis, long chain polymer was applied to cut down on air resistance, and provide minimal protection from head crashes. The CNRPPPT is a proprietary blend of metals that I'm still under NDA. I can tell you that the C is Chrome, the N is Nickel, one of the P's is Platinum, and that's all I can tell you. -- -Mark Ne M'oubliez ---Family Motto Hope for the best, plan for the worst ---Personal Motto ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
