Microstructures and Recording Mechanism of Mo/Si Bilayer Applied for Write-Once Blue Laser Optical Recording

Table 1

Dynamic test conditions.

User capacity	25 GB
Thickness of substrate	1.1 mm
Wavelength	405 nm
Numerical aperture (N.A.)	0.85
Modulation code	(1, 7) RLL
Track pitch	0.32 𝜇m
Linear velocity	4.92 m/s (1×), 19.68 m/s (4×)
Recording format	On groove