Optical memory element
Optical multilayer film and optical semiconductor device...
Optical recording medium
Optical recording medium
Optical recording medium
Optical recording medium
Optical recording medium
Optical recording medium
Optical recording medium with an aluminum alloy metallic layer c
Optical resonator type organic electroluminescent element
Optical transparent member and optical system using the same
Optical unit and method for making the same
Optical-magnetic recording medium
Optical-thermal magnetic storage medium
Optically functional element and production method and...
Opto-electroactive device comprising a metallocene and method
Opto-magnetic recording medium
Optoelectric articles and a process for producing the same
Ordered corundum magnesium tantalum niobium oxide x-ray intensif
Organic boron compound, process for producing the compound...