Datasheet

Blu-ray_2008_EN_page12-19 18.08.2008 17:29 Uhr Seite 4
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15.Technologies.
The recording layer of the Blu-ray Disc is located just under
the cover layer and is thus especially susceptible to
scratches. The cover layer is only 0.1mm thick and must
therefore be applied precisely and smoothly to the
Blu-ray Disc.
It’s vital to Blu-ray technology that the disc surface is
completely smooth and there are no protrusions which
could interfere with the laser reader.
High Precision Spin Coating:
for reliable performance
TDK recording media has optimised Spin Coating
technology in order to apply the cover layer smoothly and
precisely to the Blu-ray Disc. The curing resin protective
layer is applied in a liquid state to a rotating disc. As a result
of this coating process, a smooth cover layer with a precise
thickness of 0.1mm can be applied to the disc's entire
surface.
Thanks to the TDK recording media Spin Coating
technology, the coating of the TDK Life on Record Blu-ray
Disc is absolutely smooth.
tech01.
New Spin Coating Technology
A uniform protective coating.
Conventional Spin Coating Method
The outer section becomes uneven.