Method for the preparation of mask for X-ray lithography
    221.
    发明授权
    Method for the preparation of mask for X-ray lithography 失效
    制备X射线光刻掩模的方法

    公开(公告)号:US5057388A

    公开(公告)日:1991-10-15

    申请号:US447752

    申请日:1989-12-08

    Applicant: Joseph Yahalom

    Inventor: Joseph Yahalom

    CPC classification number: G03F1/22 Y10S430/168

    Abstract: A method of obtaining a mask for X-ray lithography having a thin oxide film supported on an annular silicon base includes the following steps:(a) deposition of an oxide layer such as titania or zirconia, on a silicon or copper substrate;(b) etching selectively a portion of the backside of the substrate, obtaining a membrane on the etched portion; and(c) obtaining a pattern delineation through a photoresist on the membrane framed by the silicon or copper substrate.The mask prepared according to the present invention does not suffer from any distortion and preserves its accuracy even under the stresses incurred during the mask preparation and use.

    Abstract translation: 获得具有负载在环状硅基底上的薄氧化膜的X射线光刻用掩模的方法包括以下步骤:(a)在硅或铜基底上沉积二氧化钛或氧化锆等氧化物层; (b)选择性地蚀刻衬底背面的一部分,获得蚀刻部分上的膜; 和(c)通过由硅或铜基底构成的膜上的光致抗蚀剂获得图案描绘。 根据本发明制备的掩模即使在掩模制备和使用期间产生的应力下也不会遭受任何变形并保持其精度。

    Method for the interseparation of platinum group metals
    223.
    发明授权
    Method for the interseparation of platinum group metals 失效
    铂族金属分离方法

    公开(公告)号:US4885143A

    公开(公告)日:1989-12-05

    申请号:US220384

    申请日:1988-07-12

    CPC classification number: C01G55/001 C22B3/24 Y02P10/234 Y10S423/14

    Abstract: A method for the interseparation of platinum-group noble metals (PGMs) from a gold-free halide solution using at least one chromatographic column. The solution is passed through a column containing a solid absorbent having a Kd above 1 whereby the PGMs are absorbed. The loaded absorbent is eluted by a halide salt solution obtaining thereby well-spaced fractions, each containing only one single noble metal, coming out in the order: Ru, Rh, Pd, Pt, Ir and Cs. When gold is present with the PGMs, its prior removal is required by an additional chromatographic column containing an absorbent based on polystyrene divinyl.

    Abstract translation: 使用至少一个色谱柱从不含金的卤化物溶液中分离铂族贵金属(PGM)的方法。 将溶液通过含有Kd大于1的固体吸收剂的柱,由此吸收PGM。 负载的吸收剂被卤化物盐溶液洗脱,从而获得均匀分离的部分,每个部分仅含有一种单一的贵金属,其顺序为:Ru,Rh,Pd,Pt,Ir和Cs。 当金与PGM一起存在时,通过另外的含有基于聚苯乙烯二乙烯基的吸收剂的色谱柱需要其先前的去除。

    Method and apparatus for air-conditioning by means of a hydrogen heat
pump
    224.
    发明授权
    Method and apparatus for air-conditioning by means of a hydrogen heat pump 失效
    通过氢热泵空调的方法和装置

    公开(公告)号:US4436539A

    公开(公告)日:1984-03-13

    申请号:US309225

    申请日:1981-10-06

    CPC classification number: F25B17/12 B60H1/3201

    Abstract: Air-conditioning is carried out using a "hydrogen heat pump" driven by waste heat. The hydrogen heat pump includes at least two and preferably four units, wherein hydrogen passes between low-temperature and high-temperature porous metal hydride compacts, each unit having a pair of heat exchangers associated therewith.

    Abstract translation: 使用由废热驱动的“氢热泵”进行空调。 氢热泵包括至少两个并且优选四个单元,其中氢通过低温和高温多孔金属氢化物压块之间,每个单元具有一对与之相关联的热交换器。

    Hydrostatic transmission system
    226.
    发明授权
    Hydrostatic transmission system 失效
    静液压传动系统

    公开(公告)号:US4016719A

    公开(公告)日:1977-04-12

    申请号:US672019

    申请日:1976-03-30

    Applicant: Amotz Yavnai

    Inventor: Amotz Yavnai

    CPC classification number: F16H43/00 F02B71/045 F02G1/0435 F02B2075/025

    Abstract: An hydraulic power transmission circuit comprises a high-pressure section and a low-pressure section, which together include (a) an internal or external combustion free-piston engine to each of whose pistons is attached one piston pump, the pump piston and the engine piston being rigidly connected for the purpose of joint axial motion; (b) at least one rotary motor or linear actuator adapted to be driven by the hydraulic fluid pressurized by the said piston pumps; (c) valve means for directing the hydraulic fluid to and from the motors or actuators; (d) a charge pump; (e) accumulator means for balancing the fluctuations of pressure and quantity of the hydraulic fluid; and (f) means for controlling the operation of the free-piston engine, said means comprising a rotary auxiliary hydraulic motor of the positive displacement type in the low-pressure section of the circuit, which motor is provided with transmission means for driving a rotary distributor at a number of revolutions governed by the frequency of the free-piston engine.

    Abstract translation: 一个液压动力传动回路包括一个高压段和一个低压段,它们一起包括(a)一个内部或外部燃烧的自由活塞发动机,其中每个活塞都安装有一个活塞泵,泵活塞和发动机 活塞刚性连接,用于联合轴向运动; (b)适于由所述活塞泵加压的液压流体驱动的至少一个旋转马达或线性致动器; (c)用于将液压流体引导到电动机或致动器的阀装置; (d)电荷泵; (e)用于平衡液压流体的压力和数量的波动的蓄能器装置; 和(f)用于控制自由活塞发动机的操作的装置,所述装置包括在电路的低压部分中的正位移式的旋转辅助液压马达,该马达设置有用于驱动旋转 分配器以由自由活塞发动机的频率决定的转数。

    X-RAY RADIATION SOURCE SYSTEM AND METHOD FOR DESIGN OF THE SAME

    公开(公告)号:US20230369004A1

    公开(公告)日:2023-11-16

    申请号:US17641987

    申请日:2020-09-10

    CPC classification number: H01J35/10 G21K1/062 H01J2235/081

    Abstract: An energy converter unit and X-ray source system are presented. The energy converter unit comprises a multilayered crystal structure having a selected layers' arrangement comprising at least first and second of layers of at least first and second material compositions. The layers-arrangement is formed of a pattern of n1 layers of said first layer type and n2 layers of said second layer type generating a selected lattice periodicity of said layers. The lattice periodicity is selected such that said multilayered crystal structure responds to the charged particle beam of predetermined parameters by coherent emission of X-ray radiation having selected spectral content and emission direction.

    PRODUCTION OF EXTRACELLULAR VESICLES FROM MUSCLE CELLS

    公开(公告)号:US20230287350A1

    公开(公告)日:2023-09-14

    申请号:US18005879

    申请日:2021-08-16

    CPC classification number: C12N5/0658 C12M35/04 C12M25/14 C12N2513/00

    Abstract: The present invention provides methods and systems for enhanced production and/or secretion of extracellular vesicles (EVs) from muscle cells utilizing various dynamic mechanical loading profiles thereon, cultured on three-dimensional (3D) scaffolds. The scaffolds may comprise a plurality of layers, wherein each layer comprises a plurality of elastic microfibers, and wherein the microfibers are aligned in parallel to a longitudinal axis and to each other. The elastic 3D scaffold may be configured to undergo dynamic mechanical loading profiles and support an expansion of a population of muscle cells cultured thereon into a 3D multi-layer structure of muscle cells, wherein said 3D multi-layer structure is configured to produce and/or secret extracellular vesicles into a medium.

    AMBIPOLAR TRANSISTOR STRUCTURE AND ELECTRONIC DEVICE

    公开(公告)号:US20230240088A1

    公开(公告)日:2023-07-27

    申请号:US17819061

    申请日:2022-08-11

    CPC classification number: H10K10/466 H10K19/10

    Abstract: A transistor structure is presented comprising: an organic semiconductor channel region, and source and drain electrodes in electrical contact with said organic semiconductor channel region, wherein at least one of said source and drain electrodes is formed by spaced apart regions of a first metallic material separated by regions of a second metallic material such that regions of the first and second metallic materials are in contact with the organic semiconductor channel region, said first metallic material being selected as having work function substantially similar to HOMO energy level of said organic semiconductor channel region and said second metallic material being selected as having work function substantially similar to LUMO energy level of said organic semiconductor channel region, thereby enabling selective injections of electrons or holes into said channel region.

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