Preparation method of silicon dioxide nanosphere array-VO2 thin film composite structure
A silicon dioxide, -VO2 technology, applied in the direction of ion implantation plating, coating, metal material coating process, etc., to achieve large-area production, simple preparation process, and achieve the effect of offset
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Embodiment 1
[0027] (1) Substrate cleaning: The substrate used is a double-polished sapphire substrate with (001) crystal plane, 1×1cm 2 , with a thickness of 0.45mm; put the substrate into deionized water, acetone and absolute ethanol in order to ultrasonically clean it for 20 minutes respectively to remove organic impurities on the surface; after cleaning, put the substrate into absolute ethanol for later use.
[0028] (2) Preparation of monodisperse SiO 2 mask layer:
[0029] First, insert the clean drainage sheet obliquely into a certain amount of deionized water, and then use a pipette gun to dissolve SiO with a particle size of 600nm 2 The ball solution is added dropwise to the drainage sheet, and it slowly flows to the water surface, and spreads evenly to form a high-density, large-area single-layer SiO 2 Array, thus formulated as a lifting solution. After standing still until the liquid level is stable, slowly fix the substrate with a coating puller and immerse it in the pulling...
Embodiment 2
[0038] (1) Substrate cleaning: The substrate used is a double-polished sapphire substrate with (001) crystal plane, 1×1cm 2 , with a thickness of 0.45mm; put the substrate into deionized water, acetone and absolute ethanol in order to ultrasonically clean it for 30 minutes, respectively, to remove organic impurities on the surface; after cleaning, put the substrate into absolute ethanol for later use.
[0039] (2) Preparation of monodisperse SiO 2 mask layer:
[0040] First, insert the clean drainage sheet obliquely into a certain amount of deionized water, and then use a pipette gun to dissolve SiO with a particle size of 600nm 2 The ball solution is added dropwise to the drainage sheet, and it slowly flows to the water surface, and spreads evenly to form a high-density, large-area single-layer SiO 2 Array, thus formulated as a lifting solution. After standing still until the liquid level is stable, slowly immerse the substrate in the pulling liquid with a coating pulling ma...
Embodiment 3
[0046] (1) Substrate cleaning: The substrate used is a double-polished sapphire substrate with (001) crystal plane, 1×1cm 2 , with a thickness of 0.4mm; put the substrate into deionized water, acetone and absolute ethanol in order to ultrasonically clean it for 30 minutes, respectively, to remove organic impurities on the surface; after cleaning, put the substrate into absolute ethanol for later use.
[0047] (2) Preparation of monodisperse SiO 2 mask layer:
[0048] First, insert the clean drainage sheet obliquely into a certain amount of deionized water, and then use a pipette gun to dissolve SiO with a particle size of 600nm 2 The ball solution is added dropwise to the drainage sheet, and it slowly flows to the water surface, and spreads evenly to form a high-density, large-area single-layer SiO 2 Array, thus formulated as a lifting solution. After standing still until the liquid level is stable, slowly immerse the substrate in the pulling liquid with a coating pulling m...
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