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- 2010-Oct-20: In 2010 Toshiba developed a 1TB optical disk prototype, this was done by leveraging Bluray technology and building a disk with 32 layers, each with 32GB capacity. Another large optical storage device that will never make it to market? 
- 2009-Nov-13: The DiamonDisc DVD media is claimed to hold data for 1000 years (which would be better than some Sanyo CDRs I burned in 1999 that had turned transparent - and unreadable - by 2009). Discussed here on Slashdot. 
- 2009-Jul-17: A Utah startup company called Millenniata is developing a modified DVD drive and special media with the objective of having a 1000 year life span (which is better that current writable DVDs by probably a factor of 100). 
- 2009-May-21: An Australian lab has developed a technique for five-dimensional optical encoding that could allow a single DVD-sized disk to hold 1.6TB of information. This would be great for backup if they can keep the cost per disk below $100. 
- 2008-May-28: Call/Recall claims it is going to build a 1TB optical drive based on their blue-violet laser diodes (which are used in Blu-Ray drives) and a 200-layer optical disk. Discussed here on Slashdot. 
- 2008-Jan-10: Kodak's professional grade CD-R and DVD-R disks are supposed to have a data storage lifetime of 100 years (their archival Gold Preservation CDs has a longer lifespan).  
In Sept'07 JVC announced the first rewritable single-sided
dual-layer DVDs, I guess these are DL
disks with 3-Layers have been shown in the lab, with a potential to
go to as many as 10 layers
BW1000, a dual layer Blu-Ray recorder capable of writing 50GB to a
single disc has been released in Japan.
Sept'06, LG's GBW-H10N Blu-ray burner gets reviewed
In June'06 a new technique for making narrower laser beams
(based on existing lasers) was announced
- this could result in another large step in optical disk storage
Build your own disk changer
to allow burning multiple disks without operator intervention, I wonder
if the mechanism in the Pioneer DRM-624 (6
disk CDROM change drive) could be grafted onto a different CD/DVD drive
to allow for burning multiple disks?
In Apr'06 TDK reported
that they have made a 200GB recordable Blu-Ray disk (using 6 layers)
In Apr'06 TDK began
shipping 25GB Blu-ray media in the $19-$25/disk price range.
It might be possible to increase
the storage of DVD (including Blu-ray) by about a factor of 3 by
First indications of pricing
on blank Blu-ray media: about US$25 for the 25GB and US$50 for the
50GB media. As well, Sony will be shipping their Viao RC computer with
a Blu-ray burner that will work with both the 25GB and 50GB media right
from the start. So roughly $1/GB to backup to Blu-ray, versus the
roughly $0.10/GB to backup to DVD-RW media, so initially Blu-ray will
be quite expensive, but give it a year and things should change
There may be a 40GB
version (called EVD) of the conventional DVD drive appearing to
compete with Blu-Ray. They are working on a single sided, 10-layer disk.
The first reviews of Blu-ray burners are starting to appear
in late Jan'06, this
one covers the Samsung SH-B033 which was able to burn a 25GB disc
in about 43 minutes and should be able to burn dual layer discs as well.
Hardware has an end of the year (2005) write up that does a good
job of covering all the available DVD burners and the various formats
and speed they support.
NEC (Sept'05) has announced the HR-1100A, a better HD-DVD
blue-ray burner is about to enter the market (Aug'05)
Sony is planning on taking the BlueRay disks to 8 layers for
200GB, that'll keep the pirates at bay.
the BR-PD 23U2
which is a Sony Professional Blu-Ray burner that can store 23GB of data
The HD-DVD spec was ratified
in June 2004, it defines a 15GB single layer and a 30GB dual layer
Pioneer is building a DVD recorder that uses an electron
beam instead of a laser to pass the 50GB mark. Panasonic is doing
Sony's Blue-ray technology is going to pack 25GB per side,
and now they are talking about further reducing the blank media's cost by
making the disks largely
Alternate firmware that
has been patched for universal region coding...
Tohiba has demoed
HD-DVD (possibly becoming available to consumers in 2005).
The single layer disks will hold 15GB in the read-only version and 20GB
in the rewritable version. This would be way better than a DDS-4 tape
your own DVDs
The DVD FAQ
Hot Hardware has a review of the TEAC
DV-W50D which is a 4x DVD+/-RW drive
has a comparison artical on the Plextor, Panasonic and Pioneer DVD
Burners (July 03)