<s>
Electronic	B-Algorithm
quantum	I-Algorithm
holography	I-Algorithm
(	O
also	O
known	O
as	O
quantum	O
holographic	B-Algorithm
data	I-Algorithm
storage	I-Algorithm
)	O
is	O
an	O
information	B-General_Concept
storage	I-General_Concept
technology	O
which	O
can	O
encode	O
and	O
read	O
out	O
data	O
at	O
unprecedented	O
density	O
storing	O
as	O
much	O
as	O
35	O
bits	O
per	O
electron	O
.	O
</s>
<s>
In	O
2009	O
,	O
Stanford	O
University	O
's	O
Department	O
of	O
Physics	O
set	O
a	O
new	O
world	O
record	O
for	O
the	O
smallest	O
writing	O
using	O
a	O
scanning	O
tunneling	O
microscope	O
and	O
electron	O
waves	O
to	O
write	O
the	O
initials	O
"	O
SU	O
"	O
at	O
0.3	O
nanometers	O
,	O
surpassing	O
the	O
previous	O
record	O
set	O
by	O
IBM	O
in	O
1989	O
using	O
xenon	B-Protocol
atoms	O
.	O
</s>
<s>
Researchers	O
of	O
electronic	B-Algorithm
quantum	I-Algorithm
holography	I-Algorithm
however	O
were	O
able	O
to	O
push	O
the	O
limit	O
to	O
35	O
bits	O
per	O
electron	O
or	O
20	O
bits	O
nm−2	O
.	O
</s>
