公开(公告)号：EP1492143A3

公开(公告)日：2007-08-08

申请号：EP04253113.7

申请日：2004-05-27

Applicant: GENERAL ELECTRIC COMPANY

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

IPC: H01J1/14 ,  H01J9/04 ,  H01J61/06

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.

公开(公告)号：EP0395157B1

公开(公告)日：1994-08-17

申请号：EP90201001.6

申请日：1990-04-23

Applicant: Philips Electronics N.V.

Inventor： Derks, Petrus Jacobus Antonius Maria ,  Smets, Carolus Antonius

IPC: H01J1/14

CPC classification number: H01J1/144

公开(公告)号：EP2294604A4

公开(公告)日：2012-05-09

申请号：EP09758949

申请日：2009-05-14

Applicant: GEN ELECTRIC

Inventor： DEME ISTVAN ,  SZUCS ANNA ,  NEMETH ZSOLT

IPC: H01J61/067 ,  H01J1/144 ,  H01J9/02

CPC classification number: H01J61/0675 ,  H01J1/144 ,  H01J61/0737 ,  H01J61/12

公开(公告)号：EP2061064A4

公开(公告)日：2011-09-14

申请号：EP07806481

申请日：2007-08-31

Applicant: DENKI KAGAKU KOGYO KK

Inventor： TERUI YOSHINORI ,  SAKAWA SEIICHI

IPC: H01J1/304 ,  H01J37/073

CPC classification number: H01J1/144 ,  B82Y10/00 ,  B82Y40/00 ,  H01J37/065 ,  H01J37/3174 ,  H01J2237/0216 ,  H01J2237/06316 ,  H01J2237/28

公开(公告)号：EP0639848B1

公开(公告)日：1997-09-10

申请号：EP93310036.4

申请日：1993-12-13

Applicant: SAMSUNG DISPLAY DEVICES CO., LTD.

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

IPC: H01J1/14

CPC classification number: H01J1/144

公开(公告)号：EP2061064A1

公开(公告)日：2009-05-20

申请号：EP07806481.3

申请日：2007-08-31

Applicant: Denki Kagaku Kogyo Kabushiki Kaisha

Inventor： TERUI, Yoshinori ,  SAKAWA, Seiichi

IPC: H01J1/304 ,  H01J37/073

CPC classification number: H01J1/144 ,  B82Y10/00 ,  B82Y40/00 ,  H01J37/065 ,  H01J37/3174 ,  H01J2237/0216 ,  H01J2237/06316 ,  H01J2237/28

Abstract: The present invention provides an electron source that can produce a stable electron beam even if an apparatus employing the electron source receives vibration from the outside. An electron source comprising an insulator, a pair of conductive terminals attached to the insulator, a filament tensed between the pair of conductive terminals, a rod-shaped cathode having a sharp end portion performing as an electron emitting portion and joined with the filament, wherein the cathode has another end portion different from the electron emitting portion, fixed to the insulator. It is preferred that said another end portion of the cathode other than the electron emitting portion, is fixed to the insulator via a metal pin brazed with the insulator.

Abstract translation: 本发明提供即使使用电子源的装置从外部接收到振动也能够产生稳定的电子束的电子源。 一种电子源，包括绝缘体，连接到绝缘体的一对导电端子，在一对导电端子之间拉紧的细丝，具有作为电子发射部分进行作为电子发射部分并与灯丝连接的尖端部分的棒状阴极，其中 阴极具有不同于电子发射部分的另一端部，固定到绝缘体。 优选除电子发射部分之外的阴极的所述另一端部经由与绝缘体钎焊的金属针固定到绝缘体。

公开(公告)号：EP1492143A2

公开(公告)日：2004-12-29

申请号：EP04253113.7

申请日：2004-05-27

Applicant: GENERAL ELECTRIC COMPANY

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

IPC: H01J1/14 ,  H01J9/04 ,  H01J61/06

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约50至约95重量％的钽酸钡组合物和约5至约50重量％的铁电氧化物组合物，其中重量百分比基于钡的总重量 钽酸盐组成和铁电氧化物组成。 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：EP1108680A2

公开(公告)日：2001-06-20

申请号：EP00306987.9

申请日：2000-08-16

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Srivistava, Alok Mani ,  Comanzo, Holly Ann ,  Bigio, Laurence ,  Beers, William Winder ,  Soules, Thomas Frederick ,  Abasari, Emoke

IPC: C01F11/02 ,  C01G41/02 ,  C01G35/00 ,  H01J1/142 ,  H01J9/04 ,  H01J61/067

CPC classification number: H01J9/042 ,  C01G35/00 ,  C01G35/006 ,  C01G41/006 ,  C01P2002/52 ,  C01P2002/54 ,  H01J1/144

Abstract: There is provided an emissive mixture for cathodes (3) of fluorescent lamps (11) comprising a ceramic material having a formula (A 1-x Ca x ) 6 (Ta 1-y W y ) 2 O 11+y , where A is barium or a combination of barium and strontium, 0≤ x

Abstract translation: 提供了一种用于荧光灯（11）的阴极（3）的发射混合物，其包括具有式（A1-xCax）6（Ta1-yyy）2 O11 + y）的陶瓷材料，其中A是钡或其组合 钡和锶，0≤x<0.5，O≤y<1，x或y中的一个大于零。 通过优化陶瓷材料中存在的Ca和W的量，可以提高灯效率与灯启动次数的比率。

公开(公告)号：EP1228521A1

公开(公告)日：2002-08-07

申请号：EP00979705.1

申请日：2000-11-10

Applicant: UNIVERSITE CLAUDE BERNARD - LYON 1

Inventor： PLENET, Jean-Claude ,  VU THIEN, Binh

IPC: H01J9/02 ,  H01J9/04 ,  H01J1/30 ,  H01J1/144

CPC classification number: H01J9/022 ,  H01J1/144 ,  H01J1/30 ,  H01J9/04

Abstract: The invention concerns a cathode emitting electrons comprising a substrate (1) produced in the form of a metal filament having a diameter ranging between 50 and 400 νm and, preferably, of the order of 100 νm, or a planar metal chip whereof the emitting surface ranges between 0.01 mm2 and 100 mm2, the metal substrate (1) being coated with a metal oxide layer (4) obtained from a sol containing a metal alkoxide (M - (OR)¿n? wherein M represents a metal and R an alkyl group), the metal oxide layer (4) defining with the metal substrate (1), an electronic junction having a potential barrier height of a few tenths of electrons volts and having a thickness ranging between 1 and 10 nm and, preferably, of the order of 5 nm.

公开(公告)号：EP0639848A1

公开(公告)日：1995-02-22

申请号：EP93310036.4

申请日：1993-12-13

Applicant: SAMSUNG DISPLAY DEVICES CO., LTD.

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

IPC: H01J1/14

CPC classification number: H01J1/144

Abstract: In an oxide cathode comprising a metal base, an electron emissive material layer containing at least Ba formed on the metal base, and a means for heating the electron emissive material layer, the electron emissive material layer further comprises at least one of a lanthanum oxide and a terbium oxide, and forms a needle-shaped crystal structure, or the electron emissive material layer further comprises at least one of a lanthanum oxide and a terbium oxide, and the metal base is subject to a heat treatment under vacuum. The oxide cathode has an effect on lengthening the lifetime, and has a manufacturing procedure interchangeable with a conventional one.

Abstract translation: 在包含金属基底的氧化物阴极中，至少包含形成在金属基底上的Ba的电子发射材料层和用于加热电子发射材料层的装置，电子发射材料层还包括至少一种氧化镧和 氧化铽，并形成针状晶体结构，或者电子发射材料层还包含氧化镧和氧化铽中的至少一种，金属基体在真空下进行热处理。 氧化物阴极具有延长使用寿命的效果，并且具有与常规的可互换的制造程序。