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    • 3. 发明专利
    • Composition for forming thin dielectric film, method for forming thin dielectric film, and thin dielectric film formed by this method
    • 用于形成薄介电膜的组合物,形成薄膜的方法和通过该方法形成的薄膜电介质
    • JP2014172778A
    • 2014-09-22
    • JP2013046245
    • 2013-03-08
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • SAKURAI HIDEAKIFUJII JUN
    • C01G25/00C04B35/491H01B3/00H01B3/12H01G4/12H01G4/33
    • PROBLEM TO BE SOLVED: To provide a composition for forming a thin PLZT dielectric film capable, at the time of the use thereof as a dielectric layer for a thin film capacitor, etc., of simultaneously improving, among various characteristics specific to the thin film capacitor, the capacitance variation ratio, insulation voltage resistance, and electrostatic capacitance characteristic in a case where the voltage is varied, in particular; a method for forming a thin dielectric film; and a thin dielectric film formed by this method.SOLUTION: In a case where, within an organometallic compound-containing composition for forming a thin PLZT dielectric film, the sum of Zr atoms and Ti atoms included within the composition is defined as 100, the atomic ratio Zr/Ti of Zr atoms and Ti atoms is 55/45-80/20, the sum of Pb atoms and La atoms is 103-115, and the La atoms number in 8-12.
    • 要解决的问题:提供一种用于形成薄PLZT电介质膜的组合物,其能够在用作薄膜电容器等的电介质层时同时改善薄膜中特有的各种特性 特别是在电压变化的情况下,电容器,电容变化率,绝缘电压电阻和静电电容特性; 形成薄电介质膜的方法; 以及通过该方法形成的薄电介质膜。溶解性:在用于形成薄PLZT电介质膜的有机金属化合物的组合物内,包含在组合物内的Zr原子和Ti原子之和定义为100的情况下, Zr原子和Ti原子的原子比Zr / Ti为55 / 45-80 / 20,Pb原子和La原子之和为103-115,La原子数为8-12。
    • 6. 发明专利
    • Method for producing ferroelectric thin film
    • 生产薄膜薄膜的方法
    • JP2013203611A
    • 2013-10-07
    • JP2012075448
    • 2012-03-29
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • IIDA SHINTAROSAKURAI HIDEAKI
    • C01G25/00H01B3/00H01B3/12H01L21/31H01L21/316H01L21/8246H01L27/105
    • H01L21/02104B05B5/1608B05B5/1675B05D1/06B05D3/007C23C18/1216C23C18/1245C23C18/1254C23C18/127C23C18/1279C23C18/1283H01L41/314H01L41/318
    • PROBLEM TO BE SOLVED: To obtain a dense and crack-free ferroelectric thin film after firing a thin film ejected and formed using electrostatic spray.SOLUTION: A method for producing a ferroelectric thin film on a lower electrode includes electrostatically spraying a ferroelectric thin film-forming electrostatic spray solution from a spout of a capillary toward a lower electrode of a substrate having the lower electrode so as to coat the electrostatic spray solution on the lower electrode and form a coated film, drying, calcining, and then firing the coated film so as to crystallize the coated film. In this method, the electrostatic spray solution is a mixed solution in which a ferroelectric thin film-forming sol-gel solution and powder having the same composition as the solid content of the sol-gel solution and having a particle diameter that can be ejected from the spout are uniformly mixed, and, when the mass of the metallic compound, which is converted into a mass of a metal oxide, dissolved in the sol-gel solution is represented by A and the mass of the powder is represented by B, the ratio of B with respect to (A+B) is in a range of ≥5% and ≤40%.
    • 要解决的问题:在烧制使用静电喷涂形成的薄膜之后获得致密且无裂纹的铁电薄膜。解决方案:在下电极上制造铁电薄膜的方法包括静电喷涂铁电薄膜 - 从毛细管的喷口形成静电喷雾溶液到具有下电极的基板的下电极,以便将下电极上的静电喷雾溶液涂覆在其上,形成涂膜,干燥,煅烧,然后焙烧涂膜 以使涂膜结晶。 在该方法中,静电喷雾溶液是其中形成铁电薄膜的溶胶 - 凝胶溶液和具有与溶胶 - 凝胶溶液的固体成分相同组成并且具有可从 喷口均匀混合,当溶解在溶胶 - 凝胶溶液中的转化成金属氧化物的金属化合物的质量由A表示时,粉末的质量用B表示, B相对于(A + B)的比例在≥5%和≤40%的范围内。
    • 7. 发明专利
    • Surface-coated cutting tool exhibiting superior chipping resistance, peeling resistance and wearing resistance
    • 表面涂层切割工具展示超高阻抗电阻,耐电流和耐磨损性
    • JP2013188852A
    • 2013-09-26
    • JP2012058156
    • 2012-03-15
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • KAKINUMA HIROAKITAKAOKA HIDEMITSUOSADA AKIRASAKURAI HIDEAKIKUROMITSU YOSHIO
    • B23B27/14
    • PROBLEM TO BE SOLVED: To provide a surface-coated cutting tool having an excellent hard coating layer which exhibits superior chipping resistance, peeling resistance and wearing resistance in high speed intermittent cutting of carbon steel, stainless steel and the like.SOLUTION: There is provided a surface-coated cutting tool in which a substrate layer is formed on the surface of a tool base, and furthermore, the substrate layer is covered with an AlOhard coating layer comprising a lower layer and an upper layer. In the surface-coated cutting tool, the lower layer comprises a crystalline AlOlayer and the upper layer comprises a non-crystalline SiOlayer, the lower layer has recessed parts formed therein, and the non-crystalline SiOlayer of the upper layer is subjected to filling film deposition to fill the recessed parts, an average depth of the recessed parts is 0.5-10.0 μm, an average aspect ratio of the recessed parts is 1.0-40, and an average horizontal spacing between the recessed parts is 0.5-15 μm.
    • 要解决的问题:提供一种具有优异的硬涂层的表面涂层切削工具,其在碳钢,不锈钢等的高速间歇切削中表现出​​优异的耐切削性,耐剥离性和耐磨性。解决方案:提供 表面涂覆的切削工具,其中在工具基体的表面上形成基底层,此外,基底层被包括下层和上层的AlOhard涂层覆盖。 在表面涂覆的切削工具中,下层包含结晶AlO层,上层包含非晶SiO层,下层具有形成在其中的凹部,上层的非晶SiO层经受填充膜 沉积以填充凹部,凹部的平均深度为0.5〜10.0μm,凹部的平均纵横比为1.0〜40,凹部的平均水平间隔为0.5〜15μm。