Method of making ferroelectric-ferromagnetic composite materials
    1.
    发明授权
    Method of making ferroelectric-ferromagnetic composite materials 失效
    制备铁电 - 铁磁复合材料的方法

    公开(公告)号:US5601748A

    公开(公告)日:1997-02-11

    申请号:US626088

    申请日:1996-04-01

    CPC分类号: C04B35/47 C04B35/468

    摘要: Barium-strontium titanate ferroelectric materials and AFe.sub.2 O.sub.4 -type ferrite ferromagnetic materials may be consolidated into a ferroelectric-ferromagnetic composite having useful electromagnetic interference attenuation properties over a wide range of electromagnetic frequencies by fluxing the barium-strontium titanate with a combination of (1) a lithium compound and barium oxide or (2) copper oxide and barium oxide and thereafter mixing the fluxed ferroelectric with the ferromagnetic and sintering the combination at reduced temperature in the range of 1060.degree. C. to 1150.degree. C.

    摘要翻译: 钡钛酸锶铁电材料和AFe 2 O 4型铁氧体铁磁材料可以通过以下方式组合使用钛酸锶钛酸锶而将其固化成铁电铁磁性复合材料,该复合材料在广泛的电磁频率范围内具有有用的电磁干扰衰减特性:(1) 锂化合物和氧化钡或(2)氧化铜和氧化钡,然后将熔融的铁电体与铁磁体混合,并在1060℃至1150℃的温度范围内烧结组合。

    Ferroelectric-ferromagnetic composite materials
    3.
    发明授权
    Ferroelectric-ferromagnetic composite materials 失效
    铁电铁磁复合材料

    公开(公告)号:US5512196A

    公开(公告)日:1996-04-30

    申请号:US265899

    申请日:1994-06-27

    CPC分类号: H03H1/0007 H01R13/7197

    摘要: A material which possesses both capacitive and inductive properties for suppressing electromagnetic interference is provided, wherein the material is a composite of a ferroelectric material and a ferromagnetic material. The ferroelectric-ferromagnetic composite material is formulated and processed so as to retain the distinct electrical properties of the individual constituents according to the relative quantities of the constituents present in the ferroelectric-ferromagnetic composite material. As a unitary composite element, the ferroelectric-ferromagnetic composite is readily formable to provide a compact electrical filter whose filtering capability is highly suitable for suppressing electromagnetic interference from sources internal and external to an automotive environment. The sintered composite has a very low porosity; interconnectivity between the ferroelectric and ferromagnetic phases; and has no chemical reaction between the ferroelectric and ferromagnetic phases to produce a third phase.

    摘要翻译: 提供了具有用于抑制电磁干扰的电容和电感特性的材料,其中该材料是铁电材料和铁磁材料的复合材料。 铁电 - 铁磁复合材料被配制和加工,以便根据存在于铁电 - 铁磁复合材料中的组分的相对量来保持各个组分的不同电性能。 作为单体复合元件,铁电 - 铁磁性复合材料易于形成,以提供紧凑的滤波器,其滤波能力非常适合于抑制来自汽车环境内部和外部的源的电磁干扰。 烧结复合材料具有非常低的孔隙率; 铁电相和铁磁相之间的互连; 并且在铁电和铁磁相之间没有化学反应以产生第三相。

    Filter elements having ferroelectric-ferromagnetic composite materials
    4.
    发明授权
    Filter elements having ferroelectric-ferromagnetic composite materials 失效
    具有铁电 - 铁磁性复合材料的滤芯

    公开(公告)号:US5497129A

    公开(公告)日:1996-03-05

    申请号:US265897

    申请日:1994-06-27

    IPC分类号: H01R13/7195 H03H7/00

    CPC分类号: H01R13/7195

    摘要: A material which possesses both capacitive and inductive properties for suppressing electromagnetic interference is provided, wherein the material is a composite of a ferroelectric material and a ferromagnetic material. The ferroelectric-ferromagnetic composite material is formulated and processed so as to retain the distinct electrical properties of the individual constituents according to the relative quantities of the constituents present in the ferroelectric-ferromagnetic composite material. As a unitary composite element, the ferroelectric-ferromagnetic composite is readily formable to provide a compact electrical filter whose filtering capability is highly suitable for suppressing electromagnetic interference from sources internal and external to an automotive environment. The sintered composite has a very low porosity; interconnectivity between the ferroelectric and ferromagnetic phases; and has no chemical reaction between the ferroelectric and ferromagnetic phases to produce a third phase.

    摘要翻译: 提供了具有用于抑制电磁干扰的电容和电感特性的材料,其中该材料是铁电材料和铁磁材料的复合材料。 铁电 - 铁磁复合材料被配制和加工,以便根据存在于铁电 - 铁磁复合材料中的组分的相对量来保持各个组分的不同电性能。 作为单体复合元件,铁电 - 铁磁性复合材料易于形成,以提供紧凑的滤波器,其滤波能力非常适合于抑制来自汽车环境内部和外部的源的电磁干扰。 烧结复合材料具有非常低的孔隙率; 铁电相和铁磁相之间的互连; 并且在铁电和铁磁相之间没有化学反应以产生第三相。

    Systems and methods for determining a temperature of a ferroelectric sensor
    7.
    发明授权
    Systems and methods for determining a temperature of a ferroelectric sensor 有权
    用于确定铁电传感器的温度的系统和方法

    公开(公告)号:US07553077B2

    公开(公告)日:2009-06-30

    申请号:US11761110

    申请日:2007-06-11

    IPC分类号: G01K7/36

    摘要: Systems and methods for determining a temperature of a ferroelectric sensor are provided. The ferroelectric sensor has operational characteristics defined by a polarization versus voltage hysteresis loop. In one exemplary embodiment, the method includes applying a symmetrical periodic voltage waveform to the ferroelectric sensor so as to induce the ferroelectric sensor to traverse the polarization versus voltage hysteresis loop. The method further includes monitoring voltages across the ferroelectric sensor and polarization states of the ferroelectric sensor over a first time interval to determine a first zero field polarization state and a first coercive field voltage. The method further includes determining a first temperature value indicative of the temperature of the ferroelectric sensor based on the first coercive field voltage.

    摘要翻译: 提供了用于确定铁电传感器的温度的系统和方法。 铁电传感器具有由极化对电压滞后回路定义的操作特性。 在一个示例性实施例中,该方法包括向铁电传感器施加对称的周期性电压波形,以便诱导铁电传感器穿过偏振相对电压磁滞回线。 该方法还包括在第一时间间隔内监测铁电传感器两端的电压和铁电传感器的极化状态,以确定第一零场极化状态和第一矫顽场电压。 该方法还包括基于第一矫顽场电压来确定指示铁电传感器的温度的第一温度值。

    Patterning thin film superconductors using focused beam techniques
    8.
    发明授权
    Patterning thin film superconductors using focused beam techniques 失效
    使用聚焦光束技术构图薄膜超导体

    公开(公告)号:US4952556A

    公开(公告)日:1990-08-28

    申请号:US226220

    申请日:1988-07-29

    IPC分类号: C23C18/12 H01L39/24

    摘要: Patterned films of superconducting materials are formed using focused beam techniques, such as electron beam, ion beam, and laser beam techniques. A solution comprising the neodecanoates of yttrium, barium, and copper is formed which is soluble in an organic solvent. The solution is spun onto an appropriate substrate. The solution is dried and subsequently selectively exposed using focused beam techniques, so that the exposed regions are no longer soluble in the organic solvent. The solution is immersed in the organic solvent, so that the only the exposed, insoluble regions remain on the substrate. The solution is then heated at a temperature sufficient to decompose the neodecanoates, about 500.degree. C., and then heated again, preferably using rapid thermal annealing techniques, to promote recrystallization and grain growth of the remaining metal oxides. The resulting patterned film exhibits superconductive characteristics.

    摘要翻译: 使用聚焦束技术形成超导材料的图案化膜,例如电子束,离子束和激光束技术。 形成了可溶于有机溶剂的包含钇,钡和铜的新癸酸的溶液。 将溶液旋转到合适的底物上。 将溶液干燥并随后使用聚焦束技术选择性地暴露,使得暴露区域不再溶于有机溶剂。 将溶液浸入有机溶剂中,使得仅有暴露的不溶性区域保留在基材上。 然后将溶液在足以分解约500℃的新癸酸酯的温度下加热,然后再次加热,优选使用快速热退火技术,以促进剩余金属氧化物的再结晶和晶粒生长。 所得到的图案化膜表现出超导特性。

    SYSTEMS AND METHODS FOR DETERMINING A TEMPERATURE OF A FERROELECTRIC SENSOR
    9.
    发明申请
    SYSTEMS AND METHODS FOR DETERMINING A TEMPERATURE OF A FERROELECTRIC SENSOR 有权
    用于确定电磁传感器温度的系统和方法

    公开(公告)号:US20080304545A1

    公开(公告)日:2008-12-11

    申请号:US11761110

    申请日:2007-06-11

    IPC分类号: G01K7/36

    摘要: Systems and methods for determining a temperature of a ferroelectric sensor are provided. The ferroelectric sensor has operational characteristics defined by a polarization versus voltage hysteresis loop. In one exemplary embodiment, the method includes applying a symmetrical periodic voltage waveform to the ferroelectric sensor so as to induce the ferroelectric sensor to traverse the polarization versus voltage hysteresis loop. The method further includes monitoring voltages across the ferroelectric sensor and polarization states of the ferroelectric sensor over a first time interval to determine a first zero field polarization state and a first coercive field voltage. The method further includes determining a first temperature value indicative of the temperature of the ferroelectric sensor based on the first coercive field voltage.

    摘要翻译: 提供了用于确定铁电传感器的温度的系统和方法。 铁电传感器具有由极化对电压滞后回路定义的操作特性。 在一个示例性实施例中,该方法包括向铁电传感器施加对称的周期性电压波形,以便诱导铁电传感器穿过偏振相对电压磁滞回线。 该方法还包括在第一时间间隔内监测铁电传感器两端的电压和铁电传感器的极化状态,以确定第一零场极化状态和第一矫顽场电压。 该方法还包括基于第一矫顽场电压来确定指示铁电传感器的温度的第一温度值。

    Method of producing a miniature internal reference gas chamber within an
automotive, internal reference, solid electrolyte, lean oxygen sensor
    10.
    发明授权
    Method of producing a miniature internal reference gas chamber within an automotive, internal reference, solid electrolyte, lean oxygen sensor 失效
    在汽车,内部参考,固体电解质,贫氧传感器内制造微型内部参考气体室的方法

    公开(公告)号:US4810529A

    公开(公告)日:1989-03-07

    申请号:US135578

    申请日:1987-12-21

    CPC分类号: G01N27/4076 G01N27/4071

    摘要: A method of producing a miniaturized, fixed volume, internal reference gas chamber comprising the pores of a porous material, suitable for use in a rapid response, highly precise, internal reference, solid electrolyte electrochemical-type oxygen sensor capable of detecting oxygen partial pressures in internal combustion engines operating within lean air/fuel mixtures is accomplished using a four step technique. A thin film layer of material is deposited onto a supporting substrate and patterned, said material comprises at least one component resistant to a subsequent removal step and at least one sacrificial component not resistant to the same subsequent removal step. The said material is then sealed everywhere except at an external orifice. The sacrificial component of said material is then decomposed and removed during a removal step, providing an interlocking network of porosity comprised within the porous component of said material. The internal reference gas chamber is positioned adjacent to the electrodes of the sense and pump cells comprised within the oxygen sensing device.

    摘要翻译: 一种小型化,固定体积的内部参考气体室的方法,其包括适合用于快速响应的多孔材料的孔,高精度的内部参考,能够检测氧分压的固体电解质电化学型氧传感器 在稀空气/燃料混合物内运行的内燃机使用四步技术完成。 材料的薄膜层沉积在支撑衬底上并被图案化,所述材料包括至少一个抵抗随后的去除步骤的部件和至少一个对相同的随后的去除步骤不耐受的牺牲部件。 然后将所述材料密封在任何地方,除了在外部孔口处。 然后在去除步骤期间将所述材料的牺牲组分分解和除去,从而提供包含在所述材料的多孔组分内的孔隙的互锁网络。 内部参考气体室邻近包含在氧气感测装置内的感测和泵电池的电极定位。