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1. 发明申请

US20200313683A1 Atomic Oscillator And Frequency Signal Generation System 审中-公开
公开(公告)号：US20200313683A1
公开(公告)日：2020-10-01
申请号：US16832427
申请日：2020-03-27
申请人： Seiko Epson Corporation
发明人： Yukihiro HASHI , Kimio NAGASAKA , Yoshiyuki MAKI , Takemi YONEZAWA
IPC分类号： H03L7/26 , H03B17/00
摘要： An atomic oscillator includes an atom cell that includes walls defining an internal space in which alkali metal atoms are contained, a light emitting element that emits light for exciting the alkali metal atoms, and a light detecting element that detects the light transmitted through the atom cell, in which the atom cell includes a first portion in which gaseous alkali metal atoms are contained and through which light from the light emitting element passes along an x-axis, a second portion in which liquid or solid alkali metal atoms are contained, and a third portion that is positioned between the first portion and the second portion and couples the first portion and the second portion, and in the third portion, a distance between two walls facing each other along a y-axis orthogonal to the x-axis decreases from the first portion toward the second portion along the y-axis at a constant decrease rate.

2. 发明申请

US20160338608A1 MAGNETIC MEASUREMENT SYSTEM 审中-公开
标题翻译：磁力测量系统
公开(公告)号：US20160338608A1
公开(公告)日：2016-11-24
申请号：US15157929
申请日：2016-05-18
申请人： SEIKO EPSON CORPORATION
发明人： Kimio NAGASAKA , Mitsutoshi MIYASAKA
IPC分类号： A61B5/04 , A61B5/00
CPC分类号： A61B5/04007 , A61B5/0044 , A61B5/04008 , A61B5/7214 , A61B2562/0223 , A61B2562/04 , A61B2576/023 , G01R33/0023 , G01R33/028
摘要： A magnetic measurement system includes a heart magnetic field sensor that measures a first magnetic field and a second magnetic field, a noise magnetic sensor that measures the second magnetic field, and a magnetic measurement apparatus that computes an approximate value of the second magnetic field in the heart magnetic field sensor by using a measurement value in the noise magnetic sensor and a multi-variable polynomial. The magnetic measurement apparatus subtracts the approximate value of the second magnetic field from a measurement value in the heart magnetic field sensor.
摘要翻译：磁测量系统包括测量第一磁场和第二磁场的心脏磁场传感器，测量第二磁场的噪声磁传感器，以及计算第二磁场的第二磁场的近似值的磁测量装置心脏磁场传感器通过使用噪声磁传感器中的测量值和多变量多项式。磁测量装置从心脏磁场传感器的测量值中减去第二磁场的近似值。

3. 发明申请

US20160023401A1 GAS CELL SEALING METHOD 审中-公开
标题翻译：气体密封方法
公开(公告)号：US20160023401A1
公开(公告)日：2016-01-28
申请号：US14805834
申请日：2015-07-22
申请人： SEIKO EPSON CORPORATION
发明人： Eiichi FUJII , Kimio NAGASAKA
IPC分类号： B29C65/16 , G01R33/00 , G01R33/032 , B29C65/00
CPC分类号： G01R33/032 , B23K26/0648 , B23K26/0652 , B23K26/206 , B23K26/324 , B23K2103/54 , G01R33/0052
摘要： A gas cell sealing method includes bonding step in which a bonding portion of a gas cell main body having an opening and a lid for closing the opening where a sealant for bonding the gas cell main body and the lid is provided is heated by converging a laser beam from a laser light source through an optical element, and the lid is bonded to the gas cell main body by applying pressure in a direction that presses the lid against the gas cell main body, the pressure being applied while the laser beam is being converged to the bonding portion.
摘要翻译：气体电池密封方法包括：接合步骤，其中设置具有开口的气体电池主体的接合部分和用于封闭用于接合气体电池主体和盖子的密封剂的开口的盖子，通过会聚激光器通过光学元件从激光源射出的光束，并且通过在将盖压靠在气体电池主体上的方向施加压力而将盖接合到气室主体，在激光束会聚时施加的压力到粘合部分。

4. 发明申请

US20130230673A1 GAS CELL AND COATING METHOD OF GAS CELL 有权
标题翻译：气体细胞气体和涂层方法
公开(公告)号：US20130230673A1
公开(公告)日：2013-09-05
申请号：US13780273
申请日：2013-02-28
申请人： SEIKO EPSON CORPORATION
发明人： Kimio NAGASAKA , Shinobu YOKOKAWA
IPC分类号： A61B5/04
CPC分类号： A61B5/04005 , A61B5/04007 , A61B5/04008 , G01R33/032 , G01R33/26 , G01R33/282 , Y10T428/13
摘要： A gas cell to be filled with alkali metal atoms includes wall surfaces formed using a compound having polar groups or a material containing the compound, a first coating layer as a coating layer that coats the inner walls, formed using first molecules having functional groups to be chemically bonded to the polar groups and non-polar groups, and a second coating layer formed using non-polar second molecules on the first coating layer.
摘要翻译：填充有碱金属原子的气室包括使用具有极性基团的化合物或含有该化合物的材料形成的壁表面，作为涂覆内壁的涂层的第一涂层，使用具有官能团的第一分子形成化学键合到极性基团和非极性基团，以及在第一涂层上使用非极性第二分子形成的第二涂层。

5. 发明申请

US20180128886A1 MAGNETIC SENSOR AND CELL UNIT 审中-公开
公开(公告)号：US20180128886A1
公开(公告)日：2018-05-10
申请号：US15796004
申请日：2017-10-27
申请人： SEIKO EPSON CORPORATION
发明人： Kimio NAGASAKA
IPC分类号： G01R33/032 , A61B5/04
CPC分类号： G01R33/032 , A61B5/0059 , A61B5/04007 , A61B5/04008 , A61B2562/0223
摘要： A magnetic sensor includes a light flux emitting unit, a first cell onto which a light flux, which propagates in a first direction, is incident and that accommodates a medium which changes optical characteristics of the light flux depending on a magnitude of a magnetic field, a first light flux bender that bends some of the plurality of light fluxes in a second direction different from the first direction, a second cell onto which the light flux, which is bent in the second direction in the first light flux bender, is incident and that accommodates a medium which changes optical characteristics of the light flux depending on the magnitude of the magnetic field, a first light detection element that detects optical characteristics of the light flux emitted from the first cell, and a second light detection element that detects optical characteristics of the light flux emitted from the second cell.

6. 发明申请

US20160154072A1 MAGNETIC FIELD MEASUREMENT METHOD AND MAGNETIC FIELD MEASUREMENT APPARATUS 有权
标题翻译：磁场测量方法和磁场测量装置
公开(公告)号：US20160154072A1
公开(公告)日：2016-06-02
申请号：US14953122
申请日：2015-11-27
申请人： SEIKO EPSON CORPORATION
发明人： Kimio NAGASAKA , Mitsutoshi MIYASAKA , Satoshi TAKAHASHI
IPC分类号： G01R33/26 , A61B5/00 , A61B5/05
CPC分类号： G01R33/26 , A61B5/04005 , G01R33/0322
摘要： In a magnetic field measurement apparatus, a light source irradiates a gas cell with linearly polarized light serving as pump light and probe light in a Z axis direction, and a magnetic field generator applies alternating magnetic fields which have the same cycle and different phases to the gas cell in each of X axis and Y axis directions. A calculation controller calculates a magnetic field C (Cx, Cy, Cz) of a measurement region using X axis and Y axis components Ax and Ay of the alternating magnetic fields, and a spin polarization degree Mx corresponding to a measurement value W− from a magnetic sensor.
摘要翻译：在磁场测量装置中，光源照射具有作为泵浦光的线偏振光和Z轴方向的探测光的气室，并且磁场发生器将具有相同周期和不同相位的交变磁场施加到在X轴和Y轴方向各自的气室。计算控制器使用X轴和交变磁场的Y轴分量Ax和Ay来计算测量区域的磁场C（Cx，Cy，Cz）以及与来自a的测量值W-相对应的自旋极化度Mx 磁传感器

7. 发明申请

US20160131723A1 MAGNETIC FIELD MEASUREMENT METHOD AND MAGNETIC FIELD MEASUREMENT DEVICE 有权
标题翻译：磁场测量方法和磁场测量装置
公开(公告)号：US20160131723A1
公开(公告)日：2016-05-12
申请号：US14928320
申请日：2015-10-30
申请人： SEIKO EPSON CORPORATION
发明人： Kimio NAGASAKA
IPC分类号： G01R33/032 , G01R33/02
CPC分类号： G01R33/0322 , A61B5/04007 , A61B5/04008 , G01R33/0206 , G01R33/26
摘要： A light source unit irradiates a gas cell disposed in a measurement region with linearly polarized light in which the direction of travel is a z-axis direction and the vibration direction of an electric field is a y-axis direction. A polarimeter detects optical characteristics of light passing through the gas cell. A magnetic field generator applies an artificial magnetic field, capable of varying an x-axis component, a y-axis component, and a z-axis component, to the measurement region. A calculation control unit generates a plurality of artificial magnetic fields, calculates a magnetization value or a value corresponding to the magnetization value on the basis of the detection results of the polarimeter, and calculates an original magnetic field present in the measurement region, using an artificial magnetic field when the magnetization value or the value corresponding to the magnetization value satisfies a condition for external value.
摘要翻译：光源单元以设置在测量区域中的气流单元照射行进方向为z轴方向并且电场的振动方向为y轴方向的直线偏振光。偏振仪检测通过气室的光的光学特性。磁场发生器将能够改变x轴分量，y轴分量和z轴分量的人造磁场施加到测量区域。计算控制单元产生多个人造磁场，根据偏光计的检测结果计算磁化值或与磁化值对应的值，并使用人造磁场计算测量区域中存在的原始磁场当磁化值或对应于磁化值的值满足外部条件时，磁场。

8. 发明申请

US20160097824A1 METHOD FOR MANUFACTURING MAGNETISM MEASUREMENT DEVICE, METHOD FOR MANUFACTURING GAS CELL, MAGNETISM MEASUREMENT DEVICE, AND GAS CELL 审中-公开
标题翻译：制造磁性测量装置的方法，制造气体细胞的方法，磁性测量装置和气体细胞
公开(公告)号：US20160097824A1
公开(公告)日：2016-04-07
申请号：US14870599
申请日：2015-09-30
申请人： SEIKO EPSON CORPORATION
发明人： Eiichi FUJII , Kimio NAGASAKA
IPC分类号： G01R33/032 , G01R33/00
CPC分类号： G01R33/032 , G01R33/0052
摘要： A method for manufacturing a magnetism measurement device which measures a magnetic field generated from a living body, includes: arranging an ampoule made of borosilicate glass and having a hollow part filled with a solid alkali metal, in a void in a cell section made of quartz glass, and then sealing the cell section; and casting a pulse laser beam on the ampoule through the cell section and thus forming a penetration hole in the ampoule. The pulse laser beam has an energy of 20 μJ/pulse to 200 μJ/pulse. The absorption coefficient of quarts glass for the pulse laser beam is lower than the absorption coefficient of borosilicate glass for the pulse laser beam.
摘要翻译：一种测量从生物体产生的磁场的磁测量装置的制造方法，包括：在由石英制成的电池部分的空隙中，设置由硼硅酸盐玻璃制成的安瓿，并且填充有固体碱金属的中空部玻璃，然后密封细胞部分; 并通过细胞部分在安瓿上投射脉冲激光束，从而在安瓿中形成穿透孔。脉冲激光束具有20μJ/脉冲至200μJ/脉冲的能量。脉冲激光束的石英玻璃的吸收系数低于脉冲激光束的硼硅酸盐玻璃的吸收系数。

9. 发明申请

US20140206981A1 MAGNETIC FIELD MEASUREMENT APPARATUS 有权
标题翻译：磁场测量装置
公开(公告)号：US20140206981A1
公开(公告)日：2014-07-24
申请号：US14159925
申请日：2014-04-02
申请人： SEIKO EPSON CORPORATION
发明人： Kimio NAGASAKA
IPC分类号： A61B5/04
CPC分类号： A61B5/04008 , G01R33/032
摘要： A magnetic field measurement apparatus includes a probe beam irradiating unit that radiates a probe beam. A gas cell is arranged on an optical axis of the probe beam and shows a linear dichroism with respect to the probe beam between a first axis and a second axis. Another gas cell is arranged on the optical axis of the probe beam on the opposite side of the probe beam irradiating unit with respect to the gas cell, and shows a linear dichroism with respect to the probe beam between a third axis and a fourth axis, which are different from the first and the second axes. A measuring unit measures a difference between magnetic fields in the gas cells and on the basis of amounts of change of a plane of polarization of the probe beam that has passed through the gas cell and the gas cell.
摘要翻译：磁场测量装置包括辐射探测光束的探测光束照射单元。在探针光束的光轴上布置气室，并且在第一轴和第二轴之间显示相对于探测光束的线性二色性。在探针光束照射单元相对于气室的相反侧的另一个气室被布置在探测光束的光轴上，并且在第三轴和第四轴之间示出了相对于探测光束的线性二色性，它们与第一和第二轴不同。测量单元测量气室中的磁场之间的差异，并且基于已经通过气室和气室的探测光束的偏振面的变化量。

10. 发明申请

US20210063970A1 Quantum Interference Device 有权
公开(公告)号：US20210063970A1
公开(公告)日：2021-03-04
申请号：US17004179
申请日：2020-08-27
申请人： Seiko Epson Corporation
发明人： Kimio NAGASAKA
IPC分类号： G04F5/14 , H03L7/26 , H03B17/00
摘要： A quantum interference device includes a light emitting element; and an atomic cell on which light from the light emitting element is incident. The atomic cell accommodates alkali metal atoms therein, and a coating film containing a polydiyne compound or a polydiene compound is disposed on an inner wall of the atomic cell.

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