专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5358928A High temperature superconductor step-edge Josephson junctions using Ti-Ca-Ba-Cu-O 失效
标题翻译：使用Ti-Ca-Ba-Cu-O的高温超导体步进约瑟夫逊结
公开(公告)号：US5358928A
公开(公告)日：1994-10-25
申请号：US949098
申请日：1992-09-22
申请人： David S. Ginley , Vincent M. Hietala , Gert K. G. Hohenwarter , Jon S. Martens , Thomas A. Plut , Chris P. Tigges , Gregory A. Vawter , Thomas E. Zipperian
发明人： David S. Ginley , Vincent M. Hietala , Gert K. G. Hohenwarter , Jon S. Martens , Thomas A. Plut , Chris P. Tigges , Gregory A. Vawter , Thomas E. Zipperian
IPC分类号： H01L39/22 , H01B12/00 , H01L27/12
CPC分类号： H01L39/225 , Y10S505/702 , Y10S505/783 , Y10S505/832
摘要： A process for formulating non-hysteretic and hysteretic Josephson junctions using HTS materials which results in junctions having the ability to operate at high temperatures while maintaining high uniformity and quality. The non-hysteretic Josephson junction is formed by step-etching a LaAlO.sub.3 crystal substrate and then depositing a thin film of TlCaBaCuO on the substrate, covering the step, and forming a grain boundary at the step and a subsequent Josephson junction. Once the non-hysteretic junction is formed the next step to form the hysteretic Josephson junction is to add capacitance to the system. In the current embodiment, this is accomplished by adding a thin dielectric layer, LaA1O.sub.3, followed by a cap layer of a normal metal where the cap layer is formed by first depositing a thin layer of titanium (Ti) followed by a layer of gold (Au). The dielectric layer and the normal metal cap are patterned to the desired geometry.
摘要翻译：使用HTS材料制备非迟滞和滞后的约瑟夫逊结的方法，其导致具有在高温下操作并且保持高均匀性和质量的能力的结。通过对LaAlO 3晶体衬底进行步骤蚀刻，然后在衬底上沉积TlCaBaCuO的薄膜，覆盖该步骤，并在该步骤和随后的约瑟夫逊结处形成晶界而形成非滞后约瑟夫逊结。一旦形成非滞后结，形成滞后约瑟夫逊结的下一步就是向系统增加电容。在当前的实施例中，这是通过添加薄的电介质层LaAlO3，其次是正常金属的覆盖层，其中通过首先沉积钛（Ti）的薄层，随后是金层 Au）。电介质层和普通金属帽被图案化成所需的几何形状。

2. 发明授权

US5350739A Reflective HTS switch 失效
标题翻译：反光HTS开关
公开(公告)号：US5350739A
公开(公告)日：1994-09-27
申请号：US950570
申请日：1992-09-24
申请人： Jon S. Martens , Vincent M. Hietala , Gert K. G. Hohenwarter
发明人： Jon S. Martens , Vincent M. Hietala , Gert K. G. Hohenwarter
IPC分类号： H01L39/18 , H01P1/10 , H03K17/92 , H01B12/02 , H01L39/12
CPC分类号： H01P1/10 , H01L39/18 , H03K17/92 , Y10S505/86 , Y10S505/866
摘要： A HTS switch includes a HTS conductor for providing a superconducting path for an electrical signal and an serpentine wire actuator for controllably heating a portion of the conductor sufficiently to cause that portion to have normal, and not superconducting, resistivity. Mass of the portion is reduced to decrease switching time.
摘要翻译： HTS开关包括用于提供用于电信号的超导路径的HTS导体和用于可控制地加热导体的一部分以使该部分具有正常而非超导电阻率的蛇形导线致动器。缩小部分的质量以减少切换时间。

3. 发明授权

US5239269A Apparatus and method for measuring and imaging surface resistance 失效
标题翻译：用于测量和成像表面电阻的装置和方法
公开(公告)号：US5239269A
公开(公告)日：1993-08-24
申请号：US789225
申请日：1991-11-07
申请人： Jon S. Martens , Vincent M. Hietala , Gert K. G. Hohenwarter
发明人： Jon S. Martens , Vincent M. Hietala , Gert K. G. Hohenwarter
IPC分类号： G01R27/06
CPC分类号： G01R27/06
摘要： Apparatus and method for determining and imaging superconductor surface resistance. The apparatus comprises modified Gaussian confocal resonator structure with the sample remote from the radiating mirror. Surface resistance is determined by analyzing and imaging reflected microwaves; imaging reveals anomalies due to surface impurities, non-stoichiometry, and the like, in the surface of the superconductor.
摘要翻译：用于确定和成像超导体表面电阻的装置和方法。该装置包括具有远离辐射镜的样本的改进的高斯共焦共振器结构。通过分析和成像反射微波来确定表面电阻; 在超导体的表面中，成像显示由于表面杂质，非化学计量等引起的异常。

4. 发明授权

US5389837A Superconducting flux flow digital circuits 失效
标题翻译：超导磁通流数字电路
公开(公告)号：US5389837A
公开(公告)日：1995-02-14
申请号：US051103
申请日：1993-04-21
申请人： Vincent M. Hietala , Jon S. Martens , Thomas E. Zipperian
发明人： Vincent M. Hietala , Jon S. Martens , Thomas E. Zipperian
IPC分类号： H03K3/38 , H03K19/195
CPC分类号： H03K3/38 , H03K19/195 , Y10S505/701
摘要： A NOR/inverter logic gate circuit and a flip flop circuit implemented with superconducting flux flow transistors (SFFTs). Both circuits comprise two SFFTs with feedback lines. They have extremely low power dissipation, very high switching speeds, and the ability to interface between Josephson junction superconductor circuits and conventional microelectronics.
摘要翻译： NOR /反相器逻辑门电路和用超导磁通流量晶体管（SFFT）实现的触发电路。两个电路都包括两个带反馈线的SFFT。它们具有极低的功耗，非常高的开关速度，以及在约瑟夫逊结超导体电路和传统微电子之间进行接口的能力。

5. 发明授权

US5440238A Surface property detection apparatus and method 失效
标题翻译：表面特性检测装置及方法
公开(公告)号：US5440238A
公开(公告)日：1995-08-08
申请号：US948535
申请日：1992-09-21
申请人： Jon S. Martens , David S. Ginley , Vincent M. Hietala , Neil R. Sorensen
发明人： Jon S. Martens , David S. Ginley , Vincent M. Hietala , Neil R. Sorensen
IPC分类号： G01R27/06 , G01N22/00
CPC分类号： G01R27/06 , Y10T117/1004
摘要： Apparatus and method for detecting, determining, and imaging surface resistance corrosion, thin film growth, and oxide formation on the surface of conductors or other electrical surface modification. The invention comprises a modified confocal resonator structure with the sample remote from the radiating mirror. Surface resistance is determined by analyzing and imaging reflected microwaves; imaging reveals anomalies due to surface impurities, non-stoichiometry, and the like, in the surface of the superconductor, conductor, dielectric, or semiconductor.
摘要翻译：用于检测，确定和成像表面电阻腐蚀，薄膜生长和导体表面上的氧化物形成或其他电气表面改性的装置和方法。本发明包括具有远离辐射镜的样品的改进的共焦共振器结构。通过分析和成像反射微波来确定表面电阻; 在超导体，导体，电介质或半导体的表面中，成像显示由于表面杂质，非化学计量等引起的异常。

6. 发明授权

US5262395A Superconducting active impedance converter 失效
标题翻译：超导有源阻抗转换器
公开(公告)号：US5262395A
公开(公告)日：1993-11-16
申请号：US850475
申请日：1992-03-12
申请人： David S. Ginley , Vincent M. Hietala , Jon S. Martens
发明人： David S. Ginley , Vincent M. Hietala , Jon S. Martens
IPC分类号： H01L39/14 , H03F19/00 , H03F3/00
CPC分类号： H01L39/145 , H03F19/00 , H03F2200/372
摘要： A transimpedance amplifier for use with high temperature superconducting, other superconducting, and conventional semiconductor allows for appropriate signal amplification and impedance matching to processing electronics. The amplifier incorporates the superconducting flux flow transistor into a differential amplifier configuration which allows for operation over a wide temperature range, and is characterized by high gain, relatively low noise, and response times less than 200 picoseconds over at least a 10-80 K. temperature range. The invention is particularly useful when a signal derived from either far-IR focal plane detectors or from Josephson junctions is to be processed by higher signal/higher impedance electronics, such as conventional semiconductor technology.
摘要翻译：用于高温超导，其他超导和常规半导体的跨阻放大器允许对处理电子器件进行适当的信号放大和阻抗匹配。放大器将超导磁通流量晶体管纳入差分放大器配置，允许在宽温度范围内工作，其特征在于高增益，相对低的噪声和响应时间在至少10-80K之间小于200皮秒。温度范围。当来自远红外焦平面检测器或约瑟夫逊结的信号将被诸如常规半导体技术的较高信号/高阻抗电子器件处理时，本发明特别有用。

7. 发明授权

US5378999A Hybrid matrix amplifier 失效
标题翻译：混合矩阵放大器
公开(公告)号：US5378999A
公开(公告)日：1995-01-03
申请号：US108941
申请日：1993-08-16
申请人： Jon S. Martens , Vincent M. Hietala , Thomas A. Plut
发明人： Jon S. Martens , Vincent M. Hietala , Thomas A. Plut
IPC分类号： H03F3/60 , H03F3/68 , H03K3/38
CPC分类号： H03F3/604 , Y10S505/855
摘要： The present invention comprises a novel matrix amplifier. The matrix amplifier includes an active superconducting power divider (ASPD) having N output ports; N distributed amplifiers each operatively connected to one of the N output ports of the ASPD; and a power combiner having N input ports each operatively connected to one of the N distributed amplifiers. The distributed amplifier can included M stages of amplification by cascading superconducting active devices. The power combiner can include N active elements. The resulting (N.times.M) matrix amplifier can produce signals of high output power, large bandwidth, and low noise.
摘要翻译：本发明包括一种新颖的矩阵放大器。矩阵放大器包括具有N个输出端口的有源超导功率分配器（ASPD）; N个分布式放大器各自可操作地连接到ASPD的N个输出端口之一; 以及具有N个输入端口的功率组合器，每个输入端口可操作地连接到所述N个分布式放大器之一。分布式放大器可以通过级联超导有源器件包括M级放大。功率组合器可以包括N个有源元件。得到的（NxM）矩阵放大器可以产生高输出功率，大带宽和低噪声的信号。

8. 发明授权

US5229655A Dual control active superconductive devices 失效
标题翻译：双控制有源超导装置
公开(公告)号：US5229655A
公开(公告)日：1993-07-20
申请号：US816395
申请日：1991-12-26
申请人： Jon S. Martens , James B. Beyer , James E. Nordman , Gert K. G. Hohenwarter
发明人： Jon S. Martens , James B. Beyer , James E. Nordman , Gert K. G. Hohenwarter
IPC分类号： H01L39/14 , H03K3/38 , H03K17/92
CPC分类号： H03K17/92 , H01L39/145 , H03K3/38
摘要： A superconducting active device has dual control inputs and is constructed such that the output of the device is effectively a linear mix of the two input signals. The device is formed of a film of superconducting material on a substrate and has two main conduction channels, each of which includes a weak link region. A first control line extends adjacent to the weak link region in the first channel and a second control line extends adjacent to the weak link region in the second channel. The current flowing from the first channel flows through an internal control line which is also adjacent to the weak link region of the second channel. The weak link regions comprise small links of superconductor, separated by voids, through which the current flows in each channel. Current passed through the control lines causes magnetic flux vortices which propagate across the weak link regions and control the resistance of these regions. The output of the device taken across the input to the main channels and the output of the second main channel and the internal control line will constitute essentially a linear mix of the two input signals imposed on the two control lines. The device is especially suited to microwave applications since it has very low input capacitance, and is well suited to being formed of high temperature superconducting materials since all of the structures may be formed coplanar with one another on a substrate.
摘要翻译：超导有源器件具有双重控制输入，并且被构造成使得器件的输出实际上是两个输入信号的线性混合。该器件由衬底上的超导材料膜形成，并且具有两个主要导电通道，每个导电通道包括弱连接区域。第一控制线在第一通道中相邻于弱连接区延伸，第二控制线在第二通道中与弱连接区相邻延伸。从第一通道流出的电流流过也与第二通道的弱连接区相邻的内部控制线。弱连接区域包括由空隙隔开的超导体的小环节，电流在每个通道中流过。通过控制线的电流导致磁通量涡流传播穿过弱连接区域并控制这些区域的电阻。通过输入到主通道的设备的输出和第二主通道和内部控制线的输出将基本上构成施加在两个控制线上的两个输入信号的线性混合。该器件特别适用于微波应用，因为它具有非常低的输入电容，并且非常适合于由高温超导材料形成，因为所有的结构可以在基板上彼此共面形成。

9. 发明授权

US5019721A Active superconducting devices formed of thin films 失效
标题翻译：由薄膜形成的有源超导器件
公开(公告)号：US5019721A
公开(公告)日：1991-05-28
申请号：US395965
申请日：1989-08-18
申请人： Jon S. Martens , James B. Beyer , James E. Nordman , Gert K. G. Hohenwarter
发明人： Jon S. Martens , James B. Beyer , James E. Nordman , Gert K. G. Hohenwarter
IPC分类号： H01L39/14 , H01L39/22 , H03K3/38 , H03K17/92
CPC分类号： H01L39/225 , H01L39/145 , H03K17/92 , H03K3/38 , Y10S505/865 , Y10S505/874
摘要： Active superconducting devices are formed of thin films of superconductor which include a main conduction channel which has an active weak link region. The weak link region is composed of an array of links of thin film superconductor spaced from one another by voids and selected in size and thickness such that magnetic flux can propagate across the weak link region when it is superconducting. Magnetic flux applied to the weak link region will propagate across the array of links causing localized loss of superconductivity in the links and changing the effective resistance across the links. The magnetic flux can be applied from a control line formed of a superconducting film deposited coplanar with the main conduction channel and weak link region on a substrate. The devices can be formed of any type to superconductor but are particularly well suited to the high temperature superconductors since the devices can be entirely formed from coplanar films with no overlying regions. The devices can be utilized for a variety of electrical components, including switching circuits, amplifiers, oscillators and modulators, and are well suited to microwave frequency applications.
摘要翻译：有源超导器件由超导体的薄膜形成，其包括具有有源弱连接区域的主导通道。弱连接区域由薄膜超导体的连接阵列组成，薄壁超导体通过空隙彼此间隔开并且在尺寸和厚度上选择，使得当超导时磁通量可以在弱连接区域上传播。施加到弱连接区域的磁通量将传播到连接的阵列上，导致链路中的超导性的局部损失并且改变跨越链路的有效电阻。磁通量可以由与基板上的主导电通道和弱连接区共面共面的超导膜形成的控制线施加。器件可以由任何类型的超导体形成，但是特别适合于高温超导体，因为器件可以由没有上覆区域的共面膜完全形成。这些器件可用于各种电气元件，包括开关电路，放大器，振荡器和调制器，并且非常适合于微波频率应用。

10. 发明授权

US5411937A Josephson junction 失效
标题翻译：约瑟夫逊结
公开(公告)号：US5411937A
公开(公告)日：1995-05-02
申请号：US62672
申请日：1993-05-17
申请人： Joel R. Wendt , Thomas A. Plut , Jon S. Martens
发明人： Joel R. Wendt , Thomas A. Plut , Jon S. Martens
IPC分类号： H01L39/24 , H01L21/00
CPC分类号： B82Y10/00 , H01L39/2496 , Y10S505/702 , Y10S505/728
摘要： A novel method for fabricating nanometer geometry electronic devices is described. Such Josephson junctions can be accurately and reproducibly manufactured employing photolithographic and direct write electron beam lithography techniques in combination with aqueous etchants. In particular, a method is described for manufacturing planar Josephson junctions from high temperature superconducting material.
摘要翻译：描述了一种用于制造纳米几何电子器件的新颖方法。这样的约瑟夫逊结可以使用光刻和直接写入电子束光刻技术与水性蚀刻剂组合来精确和可重复地制造。特别地，描述了用于制造来自高温超导材料的平面约瑟夫逊结的方法。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式