Fujifilm Corporation

Udc Ireland Limited

Hidemasa Hosoda

Norihito Kasada

Takuto Kurokawa

Takahiro Iwamoto

Hiroyuki Mori

Takeharu Tani

Masanori Hikita

Provided are a magnetic tape comprising a magnetic layer containing a ferromagnetic powder and a binding agent on a non-magnetic support, in which the magnetic layer contains an oxide abrasive, an average particle diameter of the oxide abrasive obtained from a secondary ion image acquired by irradiating a surface of the magnetic layer with a focused ion beam is greater than 0.08 &#x3bc;m and 0.14 &#x3bc;m or smaller, and an absolute value &#x394;N of a difference between a refractive index Nxy measured with respect to an in-plane direction of the magnetic layer and a refractive index Nz measured with respect to a thickness direction of the magnetic layer is 0.25 to 0.40, and a magnetic recording and reproducing device including the magnetic tape.

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

Provided are a magnetic tape comprising a magnetic layer containing a ferromagnetic powder and a binding agent on a non-magnetic support, in which the magnetic layer contains an oxide abrasive, an average particle diameter of the oxide abrasive obtained from a secondary ion image acquired by irradiating a surface of the magnetic layer with a focused ion beam is 0.04 &#x3bc;m to 0.08 &#x3bc;m, and an absolute value &#x394;N of a difference between a refractive index Nxy measured with respect to an in-plane direction of the magnetic layer and a refractive index Nz measured with respect to a thickness direction of the magnetic layer is 0.25 to 0.40, and a magnetic recording and reproducing device including the magnetic tape.

The present invention provides an organic electroluminescence display device including an organic electroluminescence element which includes a transparent electrode, a counter electrode, and an organic compound layer provided between the transparent electrode and the counter electrode, the organic compound layer including a light emitting layer, and a fine particle-containing layer positioned in the optical path of light emitted from the light emitting layer and adjacent to the transparent electrode, wherein the fine particle-containing layer contain an organic resin material having a refractive index equal to or lower than the refractive index of the transparent electrode, and fine particles having a refractive index higher than the refractive index of the organic resin material and a weight average particle diameter of 0.5 &#x3bc;m to 5 &#x3bc;m, and the fine particle-containing layer has a thickness of 2 &#x3bc;m to 10 &#x3bc;m.

Organic electroluminescence display device

The present invention provides an organic electroluminescence display device including an organic electroluminescence element which includes a transparent electrode, a counter electrode, and an organic compound layer provided between these electrodes, the organic compound layer including a light emitting layer, and a fine particle containing layer positioned in the optical path of light emitted from the light emitting layer, wherein the fine particle containing layer contains an organic resin material, a first fine particle, and a second fine particle having a weight average particle diameter greater than that of the first fine particle, wherein a refractive index nof the organic resin material into which the first fine particle is added and an average refractive index nof the organic compound layer satisfy a relationship |n&#x2212;n|&#x3c;0.25, and wherein the refractive index nand a refractive index nof the second fine particle satisfy a relationship n&#x2212;n&#x3e;0.2.

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Minami-ashigara, Japan

Hidemasa Hosoda