Transparent conductive film
First Claim
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1. A transparent conductive film comprising:
- a film base; and
a polycrystalline layer of indium tin oxide formed on the film base,the polycrystalline layer as a whole being formed by crystal grains,the polycrystalline layer having a gradient of a concentration of tin oxide in a thickness direction thereof,a maximum value of the concentration of tin oxide in the thickness direction of the polycrystalline layer being 6 wt % to 12 wt %,the polycrystalline layer having a thickness of 10 nm to 35 nm,an average value of maximum sizes of the crystal grains composing the polycrystalline layer being 380 nm to 730 nm.
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Abstract
A transparent conductive film includes a film base, and a polycrystalline layer of indium tin oxide formed on the film base. The polycrystalline layer has a gradient of a concentration of tin oxide in a thickness direction thereof. A maximum value of the concentration of tin oxide in the thickness direction of the polycrystalline layer is 6 wt % to 12 wt %. The polycrystalline layer has a thickness of 10 nm to 35 nm. An average value of maximum sizes of crystal grains composing the polycrystalline layer is 380 nm to 730 nm.
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Citations
6 Claims
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1. A transparent conductive film comprising:
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a film base; and a polycrystalline layer of indium tin oxide formed on the film base, the polycrystalline layer as a whole being formed by crystal grains, the polycrystalline layer having a gradient of a concentration of tin oxide in a thickness direction thereof, a maximum value of the concentration of tin oxide in the thickness direction of the polycrystalline layer being 6 wt % to 12 wt %, the polycrystalline layer having a thickness of 10 nm to 35 nm, an average value of maximum sizes of the crystal grains composing the polycrystalline layer being 380 nm to 730 nm. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification
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Current AssigneeNitto Denko Corporation
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Original AssigneeNitto Denko Corporation
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InventorsTakeyasu, Tomohiro, Yamamoto, Yusuke, Kanatani, Minoru, Sasa, Kazuaki
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Primary Examiner(s)Ferre, Alexandre
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Application NumberUS14/055,251Publication NumberTime in Patent Office1,469 DaysField of SearchNoneUS Class CurrentCPC Class CodesG06F 3/044 by capacitive meansH01B 1/08 oxidesY10T 428/265 1 mil or less
