会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • 온도 보상용 박막 콘덴서
    • 온도보상용박막콘덴서
    • KR100450331B1
    • 2004-10-01
    • KR1020010050657
    • 2001-08-22
    • 알프스 덴키 가부시키가이샤
    • 기따가와히또시사사끼마꼬또사사끼요리히꼬
    • H01G4/33
    • H01G4/258H01L21/0212H01L21/02126H01L21/312H01L21/3127H01L21/3143H01L27/0805H01L28/40H01L28/56
    • A thin film capacitor with an arbitrary temperature coefficient of capacitance can be obtained by using only two kinds of dielectric thin film capacitor, wherein the dielectric thin film (3) having a prescribed temperature coefficient of capacitance is formed on the surface of a lower electrode (2) formed on a substrate (1), a second dielectric film (4) having a different temperature coefficient of capacitance from the temperature coefficient of capacitance of the prescribed temperature coefficient of capacitance is formed so as to cover from the upper edge of the dielectric thin film to the step portion of the dielectric thin film, and an upper electrode (5) is formed so as to cover the dielectric thin film and second dielectric film, and wherein the temperature coefficient of capacitance is determined by adjusting the overlap area of the lower electrode and upper electrode between the lower electrode and upper electrode.
    • 具有任意电容温度系数的薄膜电容器可以仅使用两种介质薄膜电容器来获得,其中具有规定的电容温度系数的介质薄膜(3)形成在下电极的表面上( 2)形成在基板(1)上时,形成具有与所述规定的电容温度系数的电容的温度系数不同的电容温度系数的第二电介质膜(4),以覆盖所述电介质的上边缘 在所述电介质薄膜的台阶部分上形成薄膜,并且形成上电极(5)以覆盖所述电介质薄膜和第二电介质膜,并且其中所述电容的温度系数通过调节 下电极和上电极在下电极和上电极之间。 <图像>
    • 3. 发明公开
    • 온도 보상용 박막 콘덴서 및 전자 기기
    • 温度补偿薄膜电容器和电子器件
    • KR1020020050734A
    • 2002-06-27
    • KR1020010081832
    • 2001-12-20
    • 알프스 덴키 가부시키가이샤
    • 아오끼마사히로사사끼마꼬또기따가와히또시후꾸이히로후미
    • H01G4/33
    • H01G4/18
    • PURPOSE: A temperature-compensating thin-film capacitor is provided to realize smaller, thinner, and lighter capacitor and to have a function of temperature compensation by using dielectric materials which have a low specific inductive capacity and of which temperature dependence is controllable. CONSTITUTION: The temperature-compensating thin-film capacitor(1) includes a first dielectric thin-film(5) having a specific inductive capacity of 4.0 or less and a linear thermal expansion coefficient of 50ppm/°C or more, and includes a second dielectric thin-film(4) having capacitance-temperature coefficient with an absolute value of 50 ppm/°C or less, in which the first and the second dielectric thin-films are placed between electrodes. Difference in capacitance of such a thin-film capacitor is reduced, in which the difference is due to processing accuracy.
    • 目的:提供一种温度补偿薄膜电容器,以实现更小,更薄和更轻的电容器,并通过使用具有低的电感率和可控温度依赖性的介电材料来实现温度补偿的功能。 构成:温度补偿薄膜电容器(1)包括具有4.0或更小的电感率和50ppm /℃或更高的线性热膨胀系数的第一介电薄膜(5),并且包括第二介电薄膜 具有绝缘值为50ppm /℃以下的电容 - 温度系数的电介质薄膜(4),其中第一和第二介电薄膜位于电极之间。 这种薄膜电容器的电容差减小,其中差异是由于加工精度。
    • 4. 发明公开
    • 온도 보상용 박막 콘덴서
    • 薄膜电容器用于温度补偿
    • KR1020020017983A
    • 2002-03-07
    • KR1020010050657
    • 2001-08-22
    • 알프스 덴키 가부시키가이샤
    • 기따가와히또시사사끼마꼬또사사끼요리히꼬
    • H01G4/33
    • H01G4/258H01L21/0212H01L21/02126H01L21/312H01L21/3127H01L21/3143H01L27/0805H01L28/40H01L28/56
    • PURPOSE: A thin film capacitor for temperature compensation is provided to make it easy to provide a thin film capacitor having an arbitrary temperature coefficient of capacitance using only two kinds of dielectric thin film materials. CONSTITUTION: A dielectric thin film(3) having a temperature coefficient of capacitance is formed on the surface of a lower electrode(2) formed on a substrate(1), a second dielectric film(4) having a different temperature coefficient of capacitance from the temperature coefficient of capacitance is formed so as to cover from the upper edge of the dielectric thin film to the step portion of the dielectric thin film, and an upper electrode(5) is formed so as to cover the dielectric thin film and second dielectric film, and wherein the temperature coefficient of capacitance is determined by adjusting the overlap area of the lower electrode and upper electrode between the lower electrode and upper electrode.
    • 目的:提供用于温度补偿的薄膜电容器,使得仅使用两种电介质薄膜材料便于提供具有任意温度系数的薄膜电容器。 构成:在形成在基板(1)的下电极(2)的表面上形成具有电容温度系数的电介质薄膜(3),具有不同的电容温度系数的第二电介质膜(4) 电容的温度系数形成为从电介质薄膜的上边缘到电介质薄膜的台阶部分覆盖,并且形成上电极(5)以覆盖电介质薄膜和第二电介质 膜,并且其中通过调节下电极和上电极之间的下电极和上电极的重叠面积来确定电容的温度系数。
    • 5. 发明授权
    • 온도 보상용 박막 콘덴서
    • 온도보상용박막콘덴서
    • KR100450101B1
    • 2004-09-24
    • KR1020010048689
    • 2001-08-13
    • 알프스 덴키 가부시키가이샤
    • 기따가와히또시사사끼마꼬또
    • H01G4/33
    • H01G4/20H01L28/40
    • The present invention provides a thin-film capacitor (1) which can easily meet requirements of reduction in size, thickness, and weight and which can perform temperature compensation. In addition to the features described above, the present invention provides a thin-film capacitor having a superior Q factor in a high frequency band. The thin-film capacitor of the present invention has at least one first dielectric thin-film (4) and at least one second dielectric thin-film (5) having a dielectric constant different from that of the first dielectric thin-film, wherein these thin-films are provided between a pair of electrodes (3,7). In addition, in the present invention, the absolute value of the temperature coefficient of capacitance of the first dielectric thin-film is 50 ppm/ DEG C or less, and the temperature coefficient of capacitance of the second dielectric thin-film is a negative value and has an absolute value of 500 ppm/ DEG C or more.
    • 本发明提供一种薄膜电容器(1),其能够容易地满足减小尺寸,厚度和重量的要求并且能够执行温度补偿。 除了上述特征之外,本发明还提供一种在高频带中具有优良Q因子的薄膜电容器。 本发明的薄膜电容器具有至少一个第一电介质薄膜(4)和至少一个具有与第一电介质薄膜的介电常数不同的介电常数的第二电介质薄膜(5),其中这些 在一对电极(3,7)之间设置薄膜。 另外,在本发明中,第1电介质薄膜的电容的温度系数的绝对值为50ppm /℃以下,第2电介质薄膜的电容的温度系数为负值 并具有500ppm /℃或更高的绝对值。 <图像>
    • 6. 发明授权
    • 온도 보상용 박막 콘덴서 및 전자 기기
    • 온도보상용박막콘덴콘덴서및전자기기
    • KR100428225B1
    • 2004-04-28
    • KR1020010081832
    • 2001-12-20
    • 알프스 덴키 가부시키가이샤
    • 아오끼마사히로사사끼마꼬또기따가와히또시후꾸이히로후미
    • H01G4/33
    • H01G4/18
    • A temperature-compensating thin-film capacitor (1) includes a first dielectric thin-film (5) having a specific inductive capacity of 4.0 or less and a linear thermal expansion coefficient of 50 ppm/ DEG C or more, and includes a second dielectric thin-film (4) having capacitance-temperature coefficient with an absolute value of 50 ppm/ DEG C or less, in which the first and the second dielectric thin-films are placed between electrodes. Difference in capacitance of such a thin-film capacitor is reduced, in which the difference is due to processing accuracy. Also, miniaturization, thinning, and lightening of the thin-film capacitor is achieved. An electronic device having the temperature-compensating thin-film is provided. The temperature stability of the electronic device such as a portable electronic device, microwave communication equipment, or the like is excellent.
    • 本发明提供一种温度补偿型薄膜电容器(1),其具有介电常数为4.0以下且线热膨胀系数为50ppm /℃以上的第一电介质薄膜(5),并且包含第二电介质 具有绝对值为50ppm /℃或更小的电容 - 温度系数的薄膜(4),其中第一和第二电介质薄膜放置在电极之间。 这种薄膜电容器的电容差异减小了,其中差异是由加工精度引起的。 此外,实现了薄膜电容器的小型化,薄型化和轻量化。 < ??>提供一种具有温度补偿薄膜的电子装置。 诸如便携式电子设备,微波通信设备等的电子设备的温度稳定性非常好。 <图像>
    • 7. 发明公开
    • 온도 보상용 박막 콘덴서
    • 用于补偿温度的薄膜电容器
    • KR1020020016508A
    • 2002-03-04
    • KR1020010048689
    • 2001-08-13
    • 알프스 덴키 가부시키가이샤
    • 기따가와히또시사사끼마꼬또
    • H01G4/33
    • H01G4/20H01L28/40
    • PURPOSE: To provide a thin-film capacitor, capable of facilitating reductions in size, thickness and weight and compensating temperature and to provide a thin film capacitor satisfying the above features and further having a superior Q-value in a high frequency band. CONSTITUTION: The thin-film capacitor comprises two or more first dielectric thin films 4 and 4 and second dielectric thin films 5, having different permittivities between a pair of electrodes 3 and 7. In this capacitor, the absolute value of a capacity temperature coefficient of the first thin film can be set to 50 ppm/°C or less, and a capacity temperature coefficient of the second thin film is negative, and its absolute value can be set to 500 ppm/°C or more.
    • 目的:提供一种能够减小尺寸,厚度和重量以及补偿温度的薄膜电容器,并提供满足上述特征并且在高频带中具有优异Q值的薄膜电容器。 构成:薄膜电容器包括在一对电极3和7之间具有不同介电常数的两个或更多个第一介电薄膜4和4以及第二介电薄膜5。在该电容器中,容量温度系数的绝对值 第一薄膜可以设定为50ppm /℃以下,第二薄膜的容量温度系数为负,其绝对值可以设定为500ppm /℃以上。