Sujet : Re: Proof of principle demonstration of 3-D magnetic recording
De : jrwalliker (at) *nospam* gmail.com (John R Walliker)
Groupes : sci.electronics.designDate : 10. Apr 2024, 00:19:29
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <uv4eri$2es1$1@dont-email.me>
References : 1 2 3 4 5
User-Agent : Mozilla Thunderbird
On 09/04/2024 09:46, Jan Panteltje wrote:
On a sunny day (Tue, 9 Apr 2024 10:07:12 +0200) it happened Jeroen Belleman
<jeroen@nospam.please> wrote in <uv2svn$3p4r$1@dont-email.me>:
On 4/9/24 09:49, Jan Panteltje wrote:
On a sunny day (Tue, 9 Apr 2024 09:19:46 +0200) it happened Arie de Muijnck
<noreply@ademu.com> wrote in <nnd$16a4abad$09e25412@0ec9ca3c539ad932>:
>
On 2024-04-09 06:42, Jan Panteltje wrote:
Proof-of-principle demonstration of 3-D magnetic recording
Possibility of ultra-high density hard disk drives with areal densities exceeding 10 Tbit/in² using multi-level magnetic
recording
https://www.sciencedaily.com/releases/2024/04/240408130543.htm
>
Picture of layers:
https://www.nims.go.jp/eng/news/press/2024/03/202403270.html
>
>
Great idea for recording.
Now we just have to invent a reading system...
>
Arie
>
>
correlation of 2 magnetic sensors pointing down in an angle?
>
MS1 MS MS2
\ \/ /
=========== top layer
\ /
\/
=========== second layer
>
Use fixed font.
>
Have not tried it...
>
They seem to have three distinguishable levels of magnetization,
so about 1.5 bits per cell.
>
Jeroen Belleman
I once did read about 3D storage with lasrs in some crystal or something..
No idea if that ever came to market.
And storage in DNA...
Here are a couple of early review papers on holographic recording:
https://downloads.bbc.co.uk/rd/pubs/reports/1973-39.pdfhttp://downloads.bbc.co.uk/rd/pubs/reports/1973-40.pdfJohn
Proof of principle demonstration of 3-D magnetic recording
Re: Proof of principle demonstration of 3-D magnetic recording