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    • 2. 发明授权
    • Apparatus for forming organic polymer thin films utilizing microwave
induced plasmas
    • 利用微波诱导等离子体形成有机聚合物薄膜的装置
    • US4365587A
    • 1982-12-28
    • US191242
    • 1980-03-24
    • Masahiko HiroseYoshimi Akai
    • Masahiko HiroseYoshimi Akai
    • C08F2/00B01J19/12C08F2/46C08F2/52C08F2/54C08J7/00
    • C08F2/52B01J19/126B01J2219/0894
    • An apparatus for forming a thin organic film on a substrate which includes a reaction chamber for receiving a substrate on which a thin organic film is to be formed; a microwave discharge tube for supplying the reaction chamber with a carrier gas activated by microwave discharge; a microwave-generating mechanism provided with a hollow resonator for a microwave discharge; and a mechanism for supplying a carrier gas to the microwave discharge tube and a mechanism for supplying the reaction chamber with an organic compound monomer to be polymerized. That region of the microwave discharge tube where a plasma is produced by discharge does not extend to the reaction chamber, but is completely separated therefrom.
    • PCT No.PCT / JP79 / 00193 Sec。 371日期1980年3月24日 102(e)1980年3月24日PCT PCT。1979年7月25日PCT公布。 出版物WO80 / 日本1980年3月6日。一种用于在基板上形成薄有机膜的设备,其包括用于接收要在其上形成有机薄膜的基板的反应室; 微波放电管,用于向反应室供应由微波放电激活的载气; 微波发生机构,其设置有用于微波放电的中空谐振器; 以及用于向微波放电管提供载气的机构以及用于向反应室供给待聚合的有机化合物单体的机构。 通过放电产生等离子体的微波放电管的区域不延伸到反应室,而是完全分离。
    • 5. 发明授权
    • X-ray detector
    • X射线探测器
    • US4914301A
    • 1990-04-03
    • US182233
    • 1988-04-15
    • Yoshimi Akai
    • Yoshimi Akai
    • G01T1/20H01L31/0216H01L31/0232
    • G01T1/2018H01L31/02164H01L31/02322
    • In an X-ray detecting device, a plurality of scintillator elements are arranged and assembled in a array which is located on a semiconductor structure. In a semiconductor structure, a plurality of photo-detecting structures are formed in a substrate and are arranged in an array corresponding to the scintillator element array. A trap region is formed in an intermediate region of the substrate surface between the adjacent photo-detecting structures so that an electrical signal which is produced in the intermediate region by light rays generated in the scintillator element is trapped in the trapped region.
    • 在X射线检测装置中,多个闪烁体元件以位于半导体结构的阵列的方式排列组装。 在半导体结构中,在基板上形成多个光检测结构,并且以对应于闪烁体元件阵列的阵列排列。 在相邻的光检测结构之间的衬底表面的中间区域中形成陷阱区域,使得通过在闪烁器元件中产生的光线在中间区域中产生的电信号被捕获在被捕获的区域中。
    • 6. 发明授权
    • X-ray computed tomograph detector
    • X射线计算机断层扫描仪
    • US4734588A
    • 1988-03-29
    • US898393
    • 1986-08-20
    • Yoshimi Akai
    • Yoshimi Akai
    • A61B6/03G01T1/20G01T1/22
    • G01T1/2018
    • An X-ray CT detector is disclosed which detects the intensity of X-rays emitted from an X-ray source and transmitted through a subject. The detector comprises a multi-channel scintillator element array and a multi-channel photo-semiconductor element array. The scintillator element array and photo-semiconductor element array are bonded together in an arcular form. The scintillator element array consists of a plurality of polycrystalline pieces each constituting a scintillator element which emits light according to X-ray incidence. The photo-semiconductor element array is provided on the outer side of the scintillator element array and consists of an amorphous silicon film. The photo-semiconductor element array has a plurality of photo-semiconductor element sections each corresponding to each scintillator element and detecting the intensity of light emitted from each scintillator element.
    • 公开了一种X射线CT检测器,其检测从X射线源发射并透射通过被摄体的X射线的强度。 检测器包括多通道闪烁体元件阵列和多通道光电半导体元件阵列。 闪烁体元件阵列和光电半导体元件阵列以弧形形式结合在一起。 闪烁体元件阵列由多个多晶片组成,每个多晶片构成根据X射线入射发光的闪烁体元件。 光半导体元件阵列设置在闪烁体元件阵列的外侧,由非晶硅膜构成。 光半导体元件阵列具有多个光电半导体元件部,各自对应于每个闪烁体元件,并且检测从每个闪烁体元件发射的光的强度。
    • 7. 发明授权
    • Radiation detector having high efficiency in conversion of absorbed
X-rays into light
    • 辐射检测器具有高吸收X射线转换成光的效率
    • US4694177A
    • 1987-09-15
    • US793860
    • 1985-11-01
    • Yoshimi Akai
    • Yoshimi Akai
    • G01T1/20G01T1/202
    • G01T1/2018G01T1/202
    • A light transmitting member is disposed between a scintillator element array consisting of a plurality of scintillator elements and a multichannel photodiode including a plurality of photodiode elements. Light transmitting elements of the light transmitting member are formed of a material whose light transmission factor is higher than that of the scintillator elements and which absorbs radiation (X-rays). Absorbed by the scintillator elements and the light transmitting elements, therefore, incident X-rays are prevented from being projected on the photodiode. On the other hand, light emitted from the scintillator elements is transmitted through the light transmitting member with high light transmission factor, and detected by the photodiode. Thus, the detectable quantity of light is large.
    • 透光构件设置在由多个闪烁体元件组成的闪烁体元件阵列和包括多个光电二极管元件的多通道光电二极管之间。 透光构件的透光元件由透光率高于闪烁体元件的材料形成,并吸收辐射(X射线)。 因此,由闪烁体元件和透光元件吸收,入射的X射线被防止投射在光电二极管上。 另一方面,从闪烁体元件发出的光以高透光率透过透光部件,并由光电二极管检测。 因此,可检测的光量很大。
    • 8. 发明授权
    • X-ray detector including scintillator channel separator capable of
improving sensitivity of X-ray detector
    • X射线检测器包括能够提高X射线检测器灵敏度的闪烁体通道分离器
    • US5378894A
    • 1995-01-03
    • US985298
    • 1992-12-04
    • Yoshimi Akai
    • Yoshimi Akai
    • A61B6/03G01T1/20G01T1/202
    • G01T1/202G01T1/2002
    • A novel scintillator channel separator is constructed of a metal thin film and at least two polymer sheets for sandwiching the metal thin film. The scintillator channel separator is used in a scintillator type X-ray detector employed in a third-generation, or fourth-generation X-ray CT system. This scintillator channel separator optically separates scintillation light emitted from scintillator elements from each other within a plurality of scintillator element channels of an X-ray scintillator array. The scintillator channel separator includes at least a first thin film capable of blocking transmission of the scintillation light occurring in the adjoining scintillator element channels; and first and second polymer sheets each having first and second major surfaces, and capable of reflecting the scintillation light. The first thin film is sandwiched between the first major surfaces of the first and second polymer sheets, and the second major surfaces of the first and second polymer sheets are stuck to corresponding side surfaces of the respective adjoining scintillator elements, so that the thin film and the first and second polymer sheets constitute the scintillator channel separator.
    • 一种新颖的闪烁体通道分离器由金属薄膜和至少两个聚合物片构成,用于夹持金属薄膜。 闪烁体通道分离器用于第三代或第四代X射线CT系统中使用的闪烁体型X射线检测器。 该闪烁体通道分离器在X射线闪烁体阵列的多个闪烁体元件通道内将从闪烁体元件发出的闪烁光线相互光学分离。 闪烁体通道分离器至少包括能够阻挡在相邻闪烁体元件通道中发生的闪烁光的透射的第一薄膜; 以及第一和第二聚合物片材,其每个具有第一和第二主表面,并且能够反射闪烁光。 第一薄膜夹在第一和第二聚合物片的第一主表面之间,第一和第二聚合物片的第二主表面粘附到相邻的闪烁体元件的相应的侧表面上,使得薄膜和 第一和第二聚合物片构成闪烁体通道分离器。
    • 9. 发明授权
    • Procurement system which automatically calls for bids on predetermined subjects
    • 采购系统,自动要求对预定科目进行出价
    • US07483853B2
    • 2009-01-27
    • US10274911
    • 2002-10-22
    • Kiyoshi YamashitaYoshimi AkaiMutsuo Innami
    • Kiyoshi YamashitaYoshimi AkaiMutsuo Innami
    • G06Q40/00
    • G06Q30/08G06Q40/025G06Q40/04
    • A procurement system for procuring a plurality of subjects, comprises a storage, a relation processor, a determining processor, and a bidding processor. The storage is configured to store information on a price, a function, and a quantity of each of the subjects. The relation processor is configured to obtain a relation between prices and functions of the subjects, based on the information stored in the storage. The determining processor is configured to determine a priority, for at least one of the subjects each of whose price is higher than a reference value which corresponds to the function of the each subject. The priority is obtained from the relation obtained by the relation processor. Further, the priority is determined based on the quantity of the each subject stored in the storage and a divergence between the price and the reference value of the each subject. The bidding processor is configured to automatically call for a bid on the at least one of the subjects in accordance with the priority determined by the determining processor.
    • 采购多个科目的采购系统包括存储器,关系处理器,确定处理器和投标处理器。 存储器被配置为存储关于每个主题的价格,功能和数量的信息。 关系处理器被配置为基于存储在存储器中的信息来获得对象的价格和功能之间的关系。 确定处理器被配置为对于每个对象中的至少一个的价格高于对应于每个对象的功能的参考值来确定优先级。 从关系处理器获得的关系获得优先权。 此外,基于存储在存储器中的每个对象的数量和每个对象的价格和参考值之间的差异来确定优先级。 投标处理器被配置为根据由确定处理器确定的优先级自动地对所述至少一个对象要求出价。
    • 10. 发明授权
    • Radiation detector for limiting effects of shading
    • 用于限制阴影效果的辐射探测器
    • US5373162A
    • 1994-12-13
    • US29590
    • 1993-03-11
    • Yoshimi Akai
    • Yoshimi Akai
    • A61B6/03G01T1/20
    • G01T1/20G01T1/2018
    • A radiation detector comprises a large number of detector elements each having its detecting surface directed toward a source of radiation and collimator plates each standing in the direction of emission of radiation from the source and placed over a gap between adjacent detector elements. The gap is made greater than the thickness of the collimator plates, reducing the area of the shade of a collimator plate on the radiation detecting surface of the corresponding detector element. Thus, the variations in sensitivity of channels due to variations in the area of the shade of the collimator plates are reduced. The gap permits an adverse effect of the misalignment of the collimator plate on the channel sensitivity to be reduced.
    • 辐射检测器包括大量的检测器元件,每个检测器元件的检测表面指向辐射源和准直器板,每个放射源和准直器板均放置在从源极发射辐射的方向上并放置在相邻检测器元件之间的间隙上。 使间隙大于准直板的厚度,减小相应检测器元件的辐射检测表面上的准直板的阴影面积。 因此,由于准直板的阴影区域的变化导致的通道的灵敏度的变化减小。 间隙允许准直器板的未对准对通道灵敏度的不利影响减小。