Dual Layer Coating Technology of DDS-3 and DDS-4 Data Tape Cartridge

AT-72 tape like the DDS-3 & DDS-4 also hasof data even tough the size of the tape cartridge is
the technology of “Dual layer coating”small.
and the tape reel magnetic layer is very thin. It isThe enterprises are using the Sony DDS DAT
obvious that for the recording of the High densitytechnology based products with confidence and are
data, the frequency of high range is needed. So, thegetting their desired results with reduced operational
noise is created in the high frequency. But the noisecost. The DDS tape was launched in the year 1990.
in the Sony DAT-72 tape is lowered down becauseStarting from the DDS-1 tape cartridge, Sony has
the magnetic layer is very thin and fine. The surfaceextended the DDS format to the 6th generation
of the tape reel of DAT72 is very smooth due toDAT-160 data tape cartridge. The DAT-160 is
the non-magnetic layer, this smooth tape surfacecompatible and performs efficiently with the previous
increases the tape’s durability along with thegenerations of DDS format. The Sony DAT 160 tape
tape stability.format performs stable operations and gives best
The magnetic layer of the Sony DAT72 tape isresults during repeated reading & writing of data.
considered as the thinnest in all of the other tapeIn the “high frequency” band, the
formats of Sony DDS DAT tapes. The magneticlevel of noise is very low like in the previous
layer is very thin due to the Sony’sgenerations of DDS tape format.
“coating technology”. TheThe tape is designed in such a way that it can
Sony’s DAT-72 tape cartridge has beensupport the other generations previous to it like the
tested many times under extreme conditions. TheDAT-72 and DDS-4. The DDS DAT tapes have been
results were very satisfying and the error rate wastested to check their reliability and performance. The
very low which confirms the reliability and stability ofmain reason that made the DDS DAT tape format
the Sony DGDAT72 DAT 72 backup tape cartridge.so popular is that they are backward compatible and
The cleaning tape DGD15CL of Sony Companysupport the previous generations. This backward
lowers down the threat of wear of the tape reel andcompatibility of DDS DAT tape technology saves the
enhances the performance. This Sony cleaning tape isadditional cost so, the companies all over the world
compatible and gives the best results in with all theprefer this format of backup tape.
Digital Data Storage drives belonging to the previousThe DDS DAT format offers the backup solutions in
generations. It is also very efficient in the drives ofthe long term and also saves the additional
DAT 72.operational cost for upgrading the system to fulfill the
The other data tape based on the DDS technology isfuture requirements. Research work is being done to
the Sony DAT-160 backup data tape. This tapeenhance and increase the storage capacity of the
version of DDS tape offers native capacity of 80 GBtapes along with their data transfer speed and
while the compressed capacity is 160 GB. The size ofefficiency.
the Sony DAT-72 is also small like the other SonyThe drive of DDS has 2 heads. One of the head is
tape versions of DDS tape cartridges. Theused for “reading” the data while the
“ear recording density” is enhanced inother head is to “write” the data onto
the DAT-160 tape and has the technology of thinthe tape reel of the DDS tape cartridge. The
coating. Therefore, with the help of these features,verification is done by the heads of the tape drive.
the Sony DAT 160 data tape can store large volume