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    • 3. 发明申请
    • Method for bleaching teeth and bleaching agent for teeth
    • 用于牙齿漂白牙齿和漂白剂的方法
    • US20060222604A1
    • 2006-10-05
    • US11434871
    • 2006-05-17
    • Shin YamaguchiToshihiro SekiguchiKeisuke IkushimaShoji AkahaneKoyu AokiTakeshi MorikawaTakeshi OhwakiYasunori Taga
    • Shin YamaguchiToshihiro SekiguchiKeisuke IkushimaShoji AkahaneKoyu AokiTakeshi MorikawaTakeshi OhwakiYasunori Taga
    • A61K8/29
    • A61K8/29A61K2800/81A61Q11/00
    • A method for bleaching teeth comprises steps of applying a solution containing nitrogen-deeped titanium oxide powder on a surface of teeth, and irradiating the applied part with light to bleach the teeth based on a photocatalytic action thus produced, and a bleaching agent for teeth suitable for carrying out the method comprises a solution containing nitrogen deeped titanium oxide powder, in which the nitrogen-deeped titanium oxide is preferably a photocatalytic substance having a Ti—O—N structure having a titanium oxide crystalline lattice containing nitrogen and exhibiting a photocatalytic action in a visible light region, the bleaching agent contains preferably 0.01 to 5% by weight of the nitrogen-deeped titanium oxide powder, the nitrogen-deeped titanium oxide powder has a specific surface area of from 10 to 500 m2/g, the solution contains water and/or an alcohol as a solvent, and the bleaching agent further contains preferably 0.5 to 20% by weight of a thickener, 1 to 20% by weight of hydrogen peroxide, and 2 to, 45% by weight of urea peroxide.
    • 漂白牙齿的方法包括以下步骤:将含氮深二氧化钛粉末的溶液涂在牙齿表面上,并根据所产生的光催化作用照射所施用的部分以漂白牙齿,并且适合用于牙齿的漂白剂 用于实施该方法的方法包括含氮深氧化钛粉末的溶液,其中氮 - 深二氧化钛优选是具有Ti-ON结构的光催化物质,其具有含氮的氧化钛晶格并且在可见光中显示出光催化作用 亮区,漂白剂含氮优选为0.01〜5重量%,氮深二氧化钛粉末的比表面积为10〜500μm2 / g,溶液含有水和/或醇作为溶剂,漂白剂还优选含有0.5〜20重量%的增稠剂,1〜2 0重量%的过氧化氢和2〜45重量%的过氧化脲。
    • 5. 发明授权
    • Photocatalyst
    • 光催化剂
    • US06743749B2
    • 2004-06-01
    • US10181918
    • 2002-07-26
    • Takeshi MorikawaTakahiro ShigaRyoji AsahiTakeshi OhwakiYasunori Taga
    • Takeshi MorikawaTakahiro ShigaRyoji AsahiTakeshi OhwakiYasunori Taga
    • B01J2300
    • B01J21/063B01J21/06B01J23/26B01J27/24B01J35/002B01J35/004B01J37/347
    • A Ti—O—N film is formed on an SiO2 substrate by sputtering. For example, TiO2 is used as a target and nitrogen gas is introduced into the atmosphere. Crystallization is carried out by a post-sputtering heat treatment. Then a charge separation material such as Pt is supported on the Ti—O—N film. With the fabricated TiO2 crystals, the Ti—O—N film containing nitrogen exhibits a good catalytic reaction by using visible light as acting light. Since the charge separation material captures electrons or positive holes, recombination of electrons and positive holes is effectively prevented, and consequently more efficient photocatalytic reaction is performed. It is preferable to form a photocatalyst material film (Ti—Cr—O—N film) by sputtering the SiO2 substrate by use of TiO2 and Cr as the target in a nitrogen atmosphere. Crystallization is performed by a post-sputtering heat treatment.
    • 通过溅射在SiO 2衬底上形成Ti-O-N膜。 例如,将TiO 2用作靶,将氮气引入大气中。 通过后溅射热处理进行结晶。 然后在Ti-O-N膜上负载诸如Pt的电荷分离材料。 通过制备的TiO 2晶体,通过使用可见光作为光,含氮的Ti-O-N膜表现出良好的催化反应。 由于电荷分离材料捕获电子或正空穴,因此有效地防止电子和空穴的复合,因此进行更有效的光催化反应。 优选通过在氮气气氛中通过使用TiO 2和Cr作为靶来溅射SiO 2基板来形成光催化剂材料膜(Ti-Cr-O-N膜)。 通过后溅射热处理进行结晶。
    • 10. 发明授权
    • Ultra-high density memory device
    • 超高密度存储器件
    • US5940314A
    • 1999-08-17
    • US9304
    • 1998-01-20
    • Motofumi SuzukiTakeshi OhwakiYasunori TagaHiroshi TadanoTestu KachiYuichi TanakaKazuyoshi Tomita
    • Motofumi SuzukiTakeshi OhwakiYasunori TagaHiroshi TadanoTestu KachiYuichi TanakaKazuyoshi Tomita
    • G11B11/00G11B5/00G11B5/74G11B9/00G11B9/14G11B13/04H01L43/08G11C11/42
    • B82Y10/00G11B5/00G11B5/74G11B9/14G11B9/1409G11B13/04Y10S977/947
    • A ultra-high density memory device utilizing a photoinductive ferromagnetic thin film. A photoinductive ferromagnetic thin film is formed on a GaAs substrate, and a tip is arranged so as to face the photoinductive ferromagnetic thin film. The GaAs substrate is disposed on an xyz scanner, and the three-dimensional positional relationship between the GaAs substrate and the tip is changed by the xyz scanner. Blue light is radiated onto the thin film in order to make the magnetization orientation of molecules uniform. Through application of a relatively high voltage, a relatively large current is caused to flow between the tip and the substrate, so that randomization of the magnetization orientation of molecules of the photoinductive ferromagnetic thin film; i.e., writing operation is carried out. Also, through uniform radiation of circular polarized light onto the GaAs substrate and application of a relatively low voltage, tunneling current is caused to flow between the tip and the substrate, which tunneling current changes in accordance with the magnetization orientation of molecules of the photoinductive ferromagnetic thin film. Through detection of the tunneling current, the magnetization orientation of molecules of the photoinductive ferromagnetic thin film can be detected.
    • 一种利用感光铁磁性薄膜的超高密度存储器件。 在GaAs衬底上形成感光铁磁性薄膜,并且将顶端配置为面对感光性铁磁性薄膜。 GaAs衬底设置在xyz扫描器上,并且通过xyz扫描器改变GaAs衬底和尖端之间的三维位置关系。 将蓝光照射到薄膜上,以使分子的磁化取向均匀。 通过施加相当高的电压,使得相对较大的电流在尖端和衬底之间流动,从而使感光铁磁性薄膜的分子的磁化取向随机化; 即执行写入操作。 此外,通过将均匀的圆偏振光辐射到GaAs衬底上并施加相对低的电压,引起隧道电流在尖端和衬底之间流动,该隧道电流根据感光铁磁体的分子的磁化方向而改变 薄膜。 通过检测隧道电流,可以检测感光铁磁性薄膜的分子的磁化取向。