公开(公告)号：US10998157B2

公开(公告)日：2021-05-04

申请号：US16504485

申请日：2019-07-08

Applicant: KABUSHIKI KAISHA TOSHIBA ,  TOSHIBA MATERIALS CO., LTD.

Inventor： Shinichi Yamamoto ,  Kayo Nakano ,  Hiromichi Horie

IPC: C22C27/04 ,  H01J1/144 ,  B22F5/12 ,  C22C1/04 ,  C22C1/10 ,  C22C32/00 ,  H01J23/05 ,  H01J61/073

Abstract: It is an object to provide a tungsten alloy exhibiting characteristics equal to or higher in characteristics than those of a thorium-containing tungsten alloy, without using thorium which is a radioactive material, and a discharge lamp, a transmitting tube, and a magnetron using the tungsten alloy. According to the present invention, a tungsten alloy includes 0.1 to 5 wt % of Zr in terms of ZrC.

公开(公告)号：US10910211B2

公开(公告)日：2021-02-02

申请号：US16430004

申请日：2019-06-03

Applicant: Seongsik Chang

Inventor： Seongsik Chang

IPC: H01J61/16 ,  H01J1/144 ,  H01J1/20 ,  H01J61/20

Abstract: Embodiments of the present invention describe electrical potential energy to electrical kinetic energy converters, ozone generators, and light emitters. A system for energy conversion from electrical potential energy to electrical kinetic energy may include a discharge device and a power supply. The power supply can be coupled with the discharge device, and supplies energy to the discharge device to form an initial electric field. The discharge device may further include at least two electrodes that are either mesh electrodes or wire-array electrodes. Furthermore, a space between the at least two electrodes is filled with a gas medium and an electric field is created by the power supply in a normal direction relative to planes formed by the elements of electrodes.

公开(公告)号：US10727021B2

公开(公告)日：2020-07-28

申请号：US16316026

申请日：2017-07-14

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Katsumi Adachi ,  Hiroyuki Hirakawa ,  Tadashi Iwamatsu

IPC: H01J1/312 ,  H01J1/304 ,  H01J1/146 ,  H01J1/144 ,  H01J9/02 ,  H01J29/04

Abstract: An electron emission element (20) includes a first electrode (30a) and a second electrode (40) which are arranged facing each other, an intermediate layer (50) that is provided between the first electrode (30a) and the second electrode (40), and an insulating layer (60) that is formed with a thickness d1 on a substrate (30). A level difference between the insulating layer (60) and the first electrode (30a) is smaller than the thickness d1 of the insulating layer (60).

公开(公告)号：US20120169210A1

公开(公告)日：2012-07-05

申请号：US13394703

申请日：2010-09-24

Applicant: Toshiyuki Morishita

Inventor： Toshiyuki Morishita

IPC: H01J1/144

CPC classification number: H01J37/073 ,  H01J1/14 ,  H01J1/3044 ,  H01J2237/06316

Abstract: An electron source is provided that operates at lower temperature and has a low work function and a narrower energy width. The electron source includes a porcelain insulator, two conductive terminals connected to the porcelain insulator, a filament formed between the conductive terminals, and a orientation single crystal rod of at least one metal selected from the group consisting of tungsten, molybdenum, tantalum and rhenium connected to the filament. The rod has an electron-emitting face formed in at its tip region with its {100} crystal face exposed. The rod further includes a diffusion source in its central region that is made of a composite oxide formed from barium oxide and scandium oxide wherein the proportion of barium oxide being 50 mol % or more of BaO and the proportion of scandium oxide being 10 to 50 mol % as Sc2O3 when the mixed oxide is prepared.

Abstract translation: 提供了在较低温度下工作并具有低功函数和较窄能量宽度的电子源。 电子源包括瓷绝缘体，连接到瓷绝缘体的两个导电端子，形成在导电端子之间的细丝和选自钨，钼，钽的至少一种金属的<100>取向单晶棒 铼连接到灯丝上。 该棒具有在其尖端区域形成的电子发射面，其{100}晶面露出。 该棒还包括由氧化钡和氧化钪形成的复合氧化物构成的中心区域的扩散源，其中氧化钡的比例为50摩尔％以上的BaO，氧化钪的比例为10〜50摩尔 当制备混合氧化物时为Sc2O3。

公开(公告)号：US20110243184A1

公开(公告)日：2011-10-06

申请号：US13133338

申请日：2009-12-08

Applicant: Seiji Nakabayashi ,  Masahiro Katoh ,  Yoshiharu Yamamoto ,  Toshihiko Yoshida ,  Norihiko Hasegawa

Inventor： Seiji Nakabayashi ,  Masahiro Katoh ,  Yoshiharu Yamamoto ,  Toshihiko Yoshida ,  Norihiko Hasegawa

IPC: G01K13/00 ,  G01R13/20 ,  H01J1/144 ,  B22F5/12

CPC classification number: H01J1/146 ,  H01B1/08 ,  H01J9/42 ,  H01J61/0735 ,  H01J61/0737

Abstract: Provided is a tungsten electrode material that can improve the life of an electrode than conventional by the use of a material in place of thorium oxide. The tungsten electrode material includes a tungsten base alloy and oxide particles dispersed in the tungsten base alloy, wherein the oxide particle is an oxide solid solution in which a Zr oxide and/or a Hf oxide and an oxide of at least one or more kinds of rare earth elements selected from Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu are solid-dissolved.

Abstract translation: 提供了一种钨电极材料，其可以通过使用替代氧化钍的材料来改善电极的寿命。 所述钨电极材料包含钨基合金和分散在所述钨基合金中的氧化物粒子，其中，所述氧化物粒子是氧化物固溶体，其中，Zr氧化物和/或Hf氧化物和至少一种以上的氧化物 选自Sc，Y，La，Ce，Pr，Nd，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb和Lu的稀土元素是固体溶解的。

公开(公告)号：US20100277051A1

公开(公告)日：2010-11-04

申请号：US12661786

申请日：2010-03-24

Applicant: John J. Manura ,  Christopher W. Baker ,  Ronald E. Shomo, II

Inventor： John J. Manura ,  Christopher W. Baker ,  Ronald E. Shomo, II

IPC: H01J1/144 ,  C22C28/00 ,  H01J1/16 ,  H01J9/02

CPC classification number: H01J1/144 ,  B22F1/004 ,  B22F1/02 ,  B22F2998/10 ,  C22C27/00 ,  H01J1/16 ,  H01J9/04 ,  B22F3/02 ,  B22F3/10 ,  B22F3/20

Abstract: A new Rhenium alloy usable for improving the performance of emission filaments used in mass spectrometers or other similar scientific instruments, which is made by adding low level concentrations of Yttrium Oxide to Rhenium of less than 10%. This new alloy has demonstrated superior performance characteristics compared to pure Rhenium for this purpose. Filaments made from the Yttria/Rhenium alloy exhibit the same voltage, current and emission properties as Rhenium but have the added advantage of greatly decreasing warping during use. The Rhenium alloy filaments are usable with various shapes and configurations including straight filaments, multiple coiled filaments and pin shaped filaments. Electron microscopy and microscopy studies verify that the Yttria/Rhenium material of the new alloy has a smaller grain size and increased strength when compared to pure Rhenium, which accounts for the enhanced structural strength.

Abstract translation: 一种新的铼合金，可用于提高质谱仪或其他类似科学仪器中使用的发射丝的性能，这是通过向低于10％的铼添加低浓度的氧化钇而制成的。 与此相比，这种新型合金具有优异的性能特征。 由钇/铼合金制成的丝具有与铼相同的电压，电流和发射特性，但具有在使用过程中大大降低翘曲的附加优点。 铼合金丝可用于各种形状和构型，包括直丝，多丝线和针形丝。 电子显微镜和显微镜研究证实，与纯铼相比，新合金的氧化钇/铼材料具有更小的晶粒尺寸和增加的强度，这增加了结构强度。

公开(公告)号：US06879091B2

公开(公告)日：2005-04-12

申请号：US10452017

申请日：2003-05-30

Applicant: Shankar Madras Venugopal ,  Alok M. Srivastava ,  Holly Ann Comanzo ,  Vikas Midha ,  William Winder Beers ,  Gopi Chandran Ramachandran ,  Mukunda Srinivas Adyam

Inventor： Shankar Madras Venugopal ,  Alok M. Srivastava ,  Holly Ann Comanzo ,  Vikas Midha ,  William Winder Beers ,  Gopi Chandran Ramachandran ,  Mukunda Srinivas Adyam

IPC: H01J1/144 ,  H01J61/067 ,  H01J61/073 ,  H01J1/38

CPC classification number: H01J1/144 ,  H01J61/0677 ,  H01J61/0737

Abstract: An electron emissive composition comprises a barium tantalate composition in an amount of about 50 to about 95 wt %; and a ferroelectric oxide composition in an amount of about 5 to about 50 wt %, wherein the weight percents are based on the total weight of the barium tantalate composition and the ferroelectric oxide composition. A method for manufacturing an electron emissive composition comprises blending a barium tantalate composition in an amount of about 50 to about 95 wt % with a ferroelectric oxide composition in an amount of about 5 to about 50 wt % to form an electron emissive precursor composition, wherein the weight percents are based on the total weight of the barium tantalate composition and the ferroelectric oxide composition; and sintering the composition at a temperature of about 1000° C. to about 1700° C.

Abstract translation: 电子发射组合物包含量为约50至约95重量％的钽酸钡组合物; 和铁电氧化物组合物，其量为约5至约50重量％，其中重量百分比基于钽酸钡组合物和铁电氧化物组合物的总重量。 制造电子发射组合物的方法包括将约50至约95重量％的钽酸钡组合物与约5至约50重量％的量的铁电氧化物组合物混合以形成电子发射前体组合物，其中 重量百分比基于钽酸钡组合物和铁电氧化物组合物的总重量; 并在约1000℃至约1700℃的温度下烧结该组合物。

公开(公告)号：US6051165A

公开(公告)日：2000-04-18

申请号：US258990

申请日：1999-02-26

Applicant: Garth W. Billings

Inventor： Garth W. Billings

IPC: H01B1/06 ,  H01J1/14 ,  H01J1/142 ,  H01J1/144 ,  H01J1/148 ,  H01J1/304 ,  H01B1/02 ,  H01J1/00 ,  H01J1/02

CPC classification number: B82Y10/00 ,  H01B1/06 ,  H01J1/14 ,  H01J1/142 ,  H01J1/144 ,  H01J1/148 ,  H01J1/304 ,  H01J2201/19

Abstract: Electron emission materials consisting of carbides, borides, and oxides, and related mixtures and compounds, of Group IVB metals Hf, Zr, and Ti, Group IIA metals Be, Mg, Ca, Sr, and Ba, and Group IIIB metals Sc, Y, and lanthanides La through Lu are used in electrodes. The electron emission materials include ternary Group IVB-IIIB and IVB-IIA oxides. These electron emission materials are typically contained in a refractory metal matrix formed of tungsten, tantalum, rhenium, and their alloys, but may also be used by themselves. These materials and electrodes have high melting points, low vapor pressures, low work functions, high electrical and thermal conductivity, and high thermionic electron emission and field emission properties.

Abstract translation: 由ⅣB族金属Hf，Zr和Ti，IIA族金属Be，Mg，Ca，Sr和Ba以及IIIB族金属组成的由碳化物，硼化物和氧化物组成的电子发射材料及相关混合物和化合物Sc，Y ，镧系元素La-Lu用于电极。 电子发射材料包括IVB-IIIB族和IVB-IIA族三元氧化物。 这些电子发射材料通常包含在由钨，钽，铼及其合金形成的难熔金属基体中，但也可以自己使用。 这些材料和电极具有高熔点，低蒸汽压力，低功函数，高导热性和高热电子发射和场发射性能。

公开(公告)号：US5548184A

公开(公告)日：1996-08-20

申请号：US511838

申请日：1995-08-07

Applicant: Kwi-seok Choi ,  Jong-seo Choi ,  Kyung-cheon Shon ,  Gyu-nam Ju ,  Sang-won Lee

Inventor： Kwi-seok Choi ,  Jong-seo Choi ,  Kyung-cheon Shon ,  Gyu-nam Ju ,  Sang-won Lee

IPC: H01J1/20 ,  H01J1/13 ,  H01J1/14 ,  H01J1/144 ,  H01J29/04 ,  H01J29/48 ,  H01J19/06

CPC classification number: H01J1/144

Abstract: An oxide cathode is provided including a metal base, an electron emissive material layer formed on the metal base and having barium as a main component, a heater for heating the electron emissive material layer, and a Ba evaporation restraining layer having a thickness ranging from 10.ANG. to 10,000.ANG. and consisting of at least one titanium compound formed on the electron emissive material layer.

Abstract translation: 提供了一种氧化物阴极，其包括金属基底，形成在金属基底上并具有钡作为主要成分的电子发射材料层，用于加热电子发射材料层的加热器和厚度范围为10的Ba蒸发抑制层 ANGSTROM至10,000 ANGSTROM并由在电子发射材料层上形成的至少一种钛化合物组成。

公开(公告)号：US5121027A

公开(公告)日：1992-06-09

申请号：US746902

申请日：1991-08-19

Applicant: N., Hwan-Chul ,  Jong-In Jeong ,  Jong-Seo Choi ,  Jong-Ho Oh ,  Kyu-Nam Ju

Inventor： N., Hwan-Chul ,  Jong-In Jeong ,  Jong-Seo Choi ,  Jong-Ho Oh ,  Kyu-Nam Ju

IPC: C23C14/08 ,  H01J1/144 ,  H01J9/04

CPC classification number: H01J9/042 ,  H01J1/144

Abstract: This invention relates to an oxide-coated cathode for CRT and a manufacturing method thereof, where Scandium (Sc) or Scandium Oxide (Sc.sub.2 O.sub.3) is vaporized and ionized into a gas state under the oxygen existing environment, and is accelerated onto the surface of a base of Ni containing small amounts of a reducing element such as Mg or Si to form an implantation layer in a certain depth within the base, thereby enhancing the electron emissive characteristics and lengthening the longevity of the cathode.

Abstract translation: 本发明涉及一种用于CRT的氧化物涂覆阴极及其制造方法，其中钪（Sc）或氧化钪（Sc 2 O 3）在氧存在环境下蒸发并电离成气态，并被加速到 含有少量诸如Mg或Si的还原元素的Ni的基底以在基底内形成一定深度的注入层，从而增强电子发射特性并延长阴极的寿命。