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公开(公告)号：US20230307844A1
公开(公告)日：2023-09-28
申请号：US17996704
申请日：2021-05-13
CPC分类号： H01Q17/00 , C08J5/18 , C08K3/041 , C08K3/22 , C08K3/34 , C08K3/38 , C09K5/14 , H05K9/0081 , C08J2375/06 , C08K2003/2227 , C08K2003/2265 , C08K2003/385 , C08K2201/001 , C08K2201/011 , C08K2201/014
摘要： A radio wave absorber with which it is possible to obtain both excellent radio wave absorption characteristics in a high-frequency band and excellent heat dissipation characteristics, and a radio wave absorber formation paste suitable for use in producing the radio wave absorber. The radio wave absorber includes a composite layer made of a radio wave absorption material and a thermally conductive material, the radio wave absorption material includes one or more types of an ε-Fe2O3 crystal; and a crystal in which the crystal and the space group are identical to those of ε-Fe2O3 and a part of an Fe site of the ε-Fe2O3 is substituted with an element M other than Fe, and that is represented by the formula ε-MxFe2-xO3 in which x is greater than 0 and less than 2.
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2.发明申请公开(公告)号：US20210227730A1
公开(公告)日：2021-07-22
申请号：US15734079
申请日：2019-05-30
摘要： A radio wave-absorbing laminate film in which both the top surface and the bottom surface have superior transmission attenuation properties and reflection attenuation capabilities in extremely high-frequency wave bands and higher, and which exhibits excellent radio wave absorption properties even when extremely thin; a production method for the film; and an element containing the film. A radio wave-absorbing laminate film having radio wave-absorbing layers, the radio wave-absorbing laminate film including a center layer, two substrate layers, and two radio wave-absorbing layers, the center layer containing at least one metal layer, and the two substrate layers being laminated on both surfaces of the center layer. With regard to each of the two substrate layers, the radio wave-absorbing layer is laminated on the surface opposite to the center layer, and, the two substrate layers are the same or different, the two radio wave-absorbing layers are the same or different, and at least one of the radio wave-absorbing layers contains a magnetic body.
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公开(公告)号：US20170288305A1
公开(公告)日：2017-10-05
申请号：US15468623
申请日：2017-03-24
发明人： Shin-ichi OHKOSHI , Asuka NAMAI , Marie YOSHIKIYO , Takashi ONO
CPC分类号： H01Q1/526 , H01Q1/2283 , H01Q1/36 , H01Q1/38 , H01Q1/405 , H01Q3/30 , H01Q9/0407
摘要： A high-frequency antenna element that is easily downsized even when an electromagnetic wave absorber is used, and is capable of protecting a receiving antenna unit by covering the receiving antenna unit, and provides a high-frequency antenna module including the high-frequency antenna element. The high-frequency antenna element includes a substrate, a dielectric layer, a receiving antenna unit, and a coating layer, in which the dielectric layer is laminated on the substrate, the receiving antenna unit is mounted on the dielectric layer, the coating layer covers a surface of the dielectric layer in a portion in which the receiving antenna unit is not mounted while the coating layer is in contact with entire side surfaces of the receiving antenna unit, and the coating layer covers at least a part of an upper surface of the receiving antenna unit.
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公开(公告)号：US20220288633A1
公开(公告)日：2022-09-15
申请号：US17635627
申请日：2020-07-30
摘要： A radio wave absorber film which is thin and exhibits excellent radio wave absorption performance; and a method for producing this radio wave absorber film. The radio wave absorber film formed on a base material layer contains a magnetic body and a binder resin in a radio wave absorption layer; and an aromatic ester-urethane copolymer is used as the binder resin. The glass transition temperature of the binder resin is 100° C. or less, and 0° C. or less. The magnetic body is at least one of an ε-iron oxide, a barium ferrite magnetic body and a strontium ferrite magnetic body
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公开(公告)号：US20160164187A1
公开(公告)日：2016-06-09
申请号：US14957235
申请日：2015-12-02
发明人： Shin-ichi OHKOSHI , Asuka NAMAI , Marie YOSHIKIYO , Takashi ONO
CPC分类号： H01Q17/007 , C01G49/0018 , C01G49/06 , C01P2004/16 , C01P2004/62 , C01P2004/64 , C09C1/24 , C09D5/32 , H01Q17/004
摘要： A radio wave absorber provided with a radio wave absorbing film formed on a substrate, the radio wave absorber being capable of absorbing radio waves over a broad frequency band and exhibiting superior radio wave absorbing properties even with a radio wave absorbing film thinner than 1 mm. A film forming paste suitable for forming a radio wave absorbing film that is provided in the radio wave absorber. In a radio wave absorber provided with a radio wave absorbing film formed on a substrate, a particular epsilon-type iron oxide is employed in the radio wave absorbing film and relative permittivity of the radio wave absorbing film is set to 6.5 to 65.
摘要翻译： 一种具有形成在基板上的无线电波吸收膜的无线电波吸收体，该无线电波吸收体能够在宽的频带上吸收无线电波，即使使用比1mm小的无线电波吸收膜也具有优异的电波吸收特性。 适用于形成设置在无线电波吸收体中的无线电波吸收膜的成膜糊剂。 在设置有形成在基板上的无线电波吸收膜的无线电波吸收体中，在无线电波吸收膜中使用特定的ε型氧化铁，将无线电波吸收膜的相对介电常数设定为6.5〜65。
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6.发明申请公开(公告)号：US20160237331A1
公开(公告)日：2016-08-18
申请号：US15026290
申请日：2014-10-06
发明人： Shin-ichi OHKOSHI , Hiroko TOKORO , Marie YOSHIKIYO , Asuka NAMAI
CPC分类号： C09K5/063 , C01G23/04 , C01P2002/72 , C01P2002/76 , C01P2002/77 , C01P2006/32 , C01P2006/36 , C09K5/02 , F28D20/0034 , F28D20/02 , Y02E60/142
摘要： A heat storage/dissipation material has a constitution in which heat storage/dissipation titanium oxide made of Ti3O5 is dispersed in heat transfer oil in a liquid form, the heat storage/dissipation titanium oxide not undergoing phase transition into a β-phase that has properties of a non-magnetic semiconductor and maintaining a state of a paramagnetic metal as long as the heat storage/dissipation titanium oxide is not subjected to pressure or light for heat dissipation. The heat storage/dissipation material is capable of maintaining a state of storing heat as long as the heat storage/dissipation material is not subjected to the pressure or the light for heat dissipation and is capable of releasing heat when subjected to the pressure or the light for heat dissipation, and therefore is capable of releasing the stored heat at a desired timing.
摘要翻译： 储热耗散材料具有将由Ti 3 O 5构成的储热·散发氧化钛以液体形式分散在传热油中的结构，不会进入相转变为具有性质的β相的储热/ 的非磁性半导体，并且保持顺磁性金属的状态，只要蓄热/耗散氧化钛不经受用于散热的压力或光。 只要蓄热/散热材料不受到压力或散热的光的影响，散热材料就能够保持蓄热状态，并且当受到压力或光线时能够释放热量 用于散热，因此能够在期望的时间释放所存储的热量。
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公开(公告)号：US20230301047A1
公开(公告)日：2023-09-21
申请号：US18137142
申请日：2023-04-20
发明人： Keiko KASHIHARA , Rei FUJIWARA , Shin-ichi OHKOSHI , Asuka NAMAI
CPC分类号： H05K9/0081 , B32B15/09 , B32B15/20 , B32B27/08 , B32B27/36 , H01Q17/00 , B32B2255/10 , B32B2255/20 , B32B2307/204 , B32B2307/212 , B32B2605/00
摘要： An electromagnetic wave absorbing sheet includes a metallic base and an electromagnetic wave absorption film formed on the metallic base. The electromagnetic wave absorption film contains MTC-substituted ε—Fe2O3, black titanium oxide, a conductive filler, and a resin. The MTC-substituted ε—Fe2O3 is a crystal belonging to the same space group as an ε—Fe2O3 crystal and containing Ti, Co, Fe, and at least one element selected from the group consisting of Ga, In, Al, and Rh. The proportion of the conductive filler to the electromagnetic wave absorption film is equal to or greater than 0.1% by volume and equal to or less than 10% by volume.
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8.发明申请公开(公告)号：US20170213624A1
公开(公告)日：2017-07-27
申请号：US15324353
申请日：2015-07-08
发明人： Shin-ichi OHKOSHI , Asuka NAMAI , Marie YOSHIKIYO , Kenji TANAKA , Tomomichi NASU , Yasuto MIYAMOTO , Takuma TAKEDA , Kenta MATSUMOTO , Yasushi MASAHIRO , Junichi TANIUCHI
IPC分类号： H01F1/03 , B22F1/00 , B22F9/30 , C22C5/04 , G11B5/65 , C22C38/00 , C22F1/14 , C22F1/10 , C21D9/00 , C21D6/00 , B22F1/02 , C22C19/07
CPC分类号： H01F1/0306 , B22F1/0018 , B22F1/02 , B22F9/26 , B22F9/30 , B22F2301/15 , B22F2301/25 , B22F2301/35 , B22F2302/45 , B22F2304/054 , B22F2998/10 , B22F2999/00 , B82Y25/00 , B82Y40/00 , C03C15/00 , C21D6/00 , C21D9/0068 , C22C5/04 , C22C19/07 , C22C38/00 , C22F1/10 , C22F1/14 , G11B5/653 , G11B5/656 , G11B5/712 , G11B5/714 , H01F1/0054 , H01F1/068 , B22F2201/013
摘要： The present invention relates to a magnetic material containing a magnetic alloy particle having an ordered crystal structure. The magnetic material according to the present invention is the one composed of a magnetic alloy particle having crystal magnetic anisotropy and being composed of an FePt alloy, a CoPt alloy, an FePd alloy, a Co3Pt alloy, an Fe3Pt alloy, a CoPt3 alloy, an FePt3 alloy, or the like, and a silica carrier covering the magnetic alloy, in which the silica carrier contains an alkali-earth metal compound such as an oxide, hydroxide or silicate compound of Ba, Ca, or Sr. The magnetic material according to the present invention is excellent in magnetic properties such as coercive force.
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9.发明申请公开(公告)号：US20160104560A1
公开(公告)日：2016-04-14
申请号：US14787186
申请日：2014-04-24
发明人： Shin-ichi OHKOSHI , Marie YOSHIKIYO , Asuka NAMAI , Hiroko TOKORO , Waka TARORA , Takayuki YOSHIDA , Manabu TANAKA
CPC分类号： H01F1/0551 , C01G49/06 , C01P2002/72 , C01P2004/03 , C01P2004/04 , C01P2004/64 , C01P2004/84 , C01P2006/42 , H01F1/0054
摘要： There is provided an iron oxide magnetic nanoparticle powder having a ferromagnetic property even if the particles have an average particle size of 15 nm or less, preferably 10 nm or less, and a method of producing the same, an iron oxide magnetic nanoparticle thin film containing the iron oxide magnetic nanoparticle powder and a method of producing the same, wherein the iron oxide magnetic nanoparticles having an ε-Fe2O3 single phase, having the average particle size of 15 nm or less, and further 10 nm or less, are generated by using β-FeO(OH) (iron oxide hydroxide) nanoparticles as a starting material, and coating the (iron oxide hydroxide) nanoparticles with silicon oxide, and applying heat treatment thereto under an atmospheric air, and further the iron oxide magnetic nanoparticle thin film is obtained by using the iron oxide magnetic nanoparticles.
摘要翻译： 即使粒子的平均粒径为15nm以下，优选为10nm以下，也提供具有铁磁特性的氧化铁磁性纳米粒子粉末及其制造方法，含有氧化铁磁性纳米粒子薄膜 氧化铁磁性纳米粒子粉末及其制造方法，其中具有平均粒径为15nm以下，进一步为10nm以下的具有“Fe”-Fe 2 O 3单相的氧化铁磁性纳米粒子，由 使用Fe（OH）（铁氧化物氢氧化物）纳米粒子作为起始材料，并用氧化硅涂覆（铁氧化物氢氧化物）纳米粒子，并在大气下进行热处理，进一步将氧化铁磁性纳米粒子薄 通过使用氧化铁磁性纳米粒子获得膜。
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公开(公告)号：US20240271880A1
公开(公告)日：2024-08-15
申请号：US18565291
申请日：2022-03-18
IPC分类号： F28D20/02
CPC分类号： F28D20/025 , F28D20/028
摘要： A heat absorption and radiation system uses a heat medium containing a rubidium-manganese-iron cyano complex, and is configured to release heat from the heat medium by applying a pressure to the heat medium and causing phase transition of the rubidium-manganese-iron cyano complex from a high-temperature phase to a low-temperature phase, absorb heat into the heat medium by releasing the pressure applied to the heat medium and causing phase transition of the rubidium-manganese-iron cyano complex from the low-temperature phase to the high-temperature phase, and repeat application of the pressure to and release of the pressure from the heat medium. Thus, it is possible to efficiently absorb and release heat through effective utilization of the characteristics of the rubidium-manganese-iron cyano complex.
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