KR19980015381U - Electron gun cathode - Google Patents
Electron gun cathode Download PDFInfo
- Publication number
- KR19980015381U KR19980015381U KR2019960028605U KR19960028605U KR19980015381U KR 19980015381 U KR19980015381 U KR 19980015381U KR 2019960028605 U KR2019960028605 U KR 2019960028605U KR 19960028605 U KR19960028605 U KR 19960028605U KR 19980015381 U KR19980015381 U KR 19980015381U
- Authority
- KR
- South Korea
- Prior art keywords
- sleeve
- support
- carbonate
- electron gun
- gun cathode
- Prior art date
Links
- 239000010953 base metal Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910021529 ammonia Inorganic materials 0.000 abstract description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 abstract description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 2
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 abstract description 2
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 abstract description 2
- 229910000018 strontium carbonate Inorganic materials 0.000 abstract description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052721 tungsten Inorganic materials 0.000 abstract description 2
- 239000010937 tungsten Substances 0.000 abstract description 2
- 238000001523 electrospinning Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
- H01J1/146—Solid thermionic cathodes characterised by the material with metals or alloys as an emissive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/04—Cathodes
Landscapes
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
전자방사물질(1)을 도포한 베이스메탈(3)과, 상기한 베이스메탈(3)을 지지하는 원통형상의 슬리브(2)와, 상기한 슬리브(2)의 안에 설치되는 히이터(6)와, 상기한 슬리브(2)를 보호하며 윗면에 복수의 고정홈(10)이 형성된 원통형상의 슬리브지지체(4)와, 상기한 슬리브(2)를 슬리브지지체(4)에 고정하는 복수의 지지부재(6)로 구성되는 전자총 음극을 제공한다.A base metal (3) coated with an electromagnetic radiation material (1), a cylindrical sleeve (2) for supporting the base metal (3), a heater (6) provided in the sleeve (2), A cylindrical sleeve support 4 which protects the sleeve 2 and has a plurality of fixing grooves 10 formed thereon, and a plurality of support members 6 which fix the sleeve 2 to the sleeve support 4. Provided is an electron gun cathode consisting of).
전자방사물질(1)은 탄산염이 주로 사용된다. 상기한 탄산염으로서는 주로 탄산바륨(BaCO3)이나 탄산스트론듐(SrCO3) 또는 탄산칼슘(CaCO3) 등의 3원염이 사용되고, 암모니아침전과 소다침전을 사용한다. 복수의 지지부재(6)는 봉형상 또는 띠판형상이 사용되고, 열팽창계수가 비교적 낮고 열용량이 적은 텅스텐 또는 텅스텐-몰리브덴계 합금으로 형성된다. 슬리브지지체(4)에 형성되는 고정홈(10)은 120°간격으로 3개를 형성하는 것이 바람직하고, 상기한 지지부재(6)도 3개를 사용하는 것이 바람직하다.Carbonate is mainly used for the electrospinning material 1. As the carbonate, ternary salts such as barium carbonate (BaCO 3 ), strontium carbonate (SrCO 3 ) or calcium carbonate (CaCO 3 ) are mainly used, and ammonia precipitation and soda precipitation are used. The plurality of support members 6 are rod-shaped or band-shaped, and are formed of tungsten or tungsten-molybdenum-based alloys having a relatively low thermal expansion coefficient and low heat capacity. It is preferable to form three fixing grooves 10 formed in the sleeve support 4 at intervals of 120 °, and it is preferable to use three of the supporting members 6 as well.
Description
본 고안은 슬리브지지체의 복수의 고정홈을 형성하고 지지부재를 각각 상기한 고정홈에 삽입하여 용접을 행한 전자총 음극에 관한 것이다.The present invention relates to an electron gun cathode formed by welding a plurality of fixing grooves of a sleeve support and inserting the supporting members into the fixing grooves, respectively.
일반적으로 전자총 음극은 전자를 방출하기 위한 것으로서 히이터로 직접 가열하는 직렬형 음극과 간접적으로 가열하는 방열형 음극으로 분류된다.In general, the electron gun cathode is classified into a series type cathode which directly heats a heater and a heat dissipating cathode that is indirectly heated, for emitting electrons.
상기한 방열형 음극은 전자방사물질을 도포한 베이스메탈과, 상기한 베이스메탈을 지지하는 원통형상의 슬리브와, 상기한 슬리브의 안에 설치되는 히이터와, 상기한 슬리브를 보호하는 원통형상의 슬리브지지체와, 상기한 슬리브를 슬리브지지체에 고정하는 봉형상 또는 띠판형상의 지지부재로 구성된다.The heat dissipation type negative electrode includes a base metal coated with an electromagnetic radiation material, a cylindrical sleeve for supporting the base metal, a heater installed in the sleeve, a cylindrical sleeve support for protecting the sleeve, and It consists of a rod-shaped or band-shaped support member which fixes one sleeve to a sleeve support.
상기한 지지부재는 3개를 사용하고, 일정한 간격으로 배치하여 원통형상의 슬리브 아래부분에 한쪽끝을 용접하고, 다른쪽끝은 원통형상의 슬리브지지체 윗면에 용접한다.The supporting member is used in three and arranged at regular intervals to weld one end to the lower portion of the cylindrical sleeve, the other end is welded to the upper surface of the cylindrical sleeve support.
상기와 같이 구성되는 종래의 전자총 음극은 슬리브지지체에 지지부재를 용접할 때에 용접위치가 이동되어 음극의 중심위치가 벗어나게 되거나 용접불량이 자주 발생한다는 문제가 있다.The conventional electron gun cathode configured as described above has a problem in that the welding position is shifted when the support member is welded to the sleeve support, so that the center position of the cathode is deviated or the welding defect is frequently generated.
본 고안의 목적은 상기한 문제점을 해결하기 위한 것으로서, 슬리브지지체에 고정홈을 형성하여 지지부재의 끝부분을 상기한 고정홈에 삽입하여 용접하므로서 항상 일정하게 용접을 행할 수 있는 전자총 음극을 제공하는 것이다.An object of the present invention is to solve the above problems, by forming a fixed groove in the sleeve support body to provide an electron gun cathode which can always perform a constant welding by inserting the end of the support member into the fixed groove. will be.
본 고안 전자총 음극은 전자방사물질을 도포한 베이스메탈과, 상기한 베이스메탈을 지지하는 원통형상의 슬리브와, 상기한 슬리브의 안에 설치되는 히이터와, 상기한 슬리브를 보호하며 윗면에 복수의 고정홈이 형성된 원통형상의 슬리브지지체와, 상기한 슬리브를 슬리브지지체에 고정하는 복수의 지지부재로 구성된다.The electron gun cathode of the present invention has a base metal coated with an electromagnetic radiation material, a cylindrical sleeve supporting the base metal, a heater installed in the sleeve, and a plurality of fixing grooves formed on the upper surface thereof to protect the sleeve. A cylindrical sleeve support formed, and a plurality of support members for fixing the sleeve to the sleeve support.
상기한 전자총 음극은 슬리브의 바깥면 아래부분에 상기한 복수의 지지부재를 일정한 간격으로 배치하여 한쪽끝부분을 용접하고, 상기한 지지부재의 다른쪽 끝부분은 상기한 슬리브지지체에 형성된 복수의 고정홈에 각각 삽입한 다음 용접하여 슬리브를 슬리브지지체에 고정한다.The electron gun cathode is arranged to weld the one end portion by arranging the plurality of support members at regular intervals below the outer surface of the sleeve, and the other end of the support member is a plurality of fixed formed on the sleeve support Each insert into the groove and then weld to secure the sleeve to the sleeve support.
도 1은 본 고안에 따른 전자총 음극의 일실시예를 나타내는 부분단면도.1 is a partial cross-sectional view showing an embodiment of an electron gun cathode according to the present invention.
도 2는 슬리브지지체를 나타내는 사시도.2 is a perspective view showing a sleeve support;
* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
2:슬리브4:슬리브지지체6:지지부재8:히이터10:고정홈2: sleeve 4: sleeve support 6: support member 8: heater 10: fixing groove
다음으로 본 고안에 따른 전자총 음극의 가장 바람직한 실시예를 도면을 참조하여 상세하게 설명한다.Next, the most preferred embodiment of the electron gun cathode according to the present invention will be described in detail with reference to the drawings.
먼저 도 1~도 2에 나타낸 바와 같이, 본 고안에 따른 전자총 음극의 일실시예는 전자방사물질(1)을 도포한 베이스메탈(3)과, 상기한 베이스메탈(3)을 지지하는 원통형상의 슬리브(2)와, 상기한 슬리브(2)의 안에 설치되는 히이터(6)와, 상기한 슬리브(2)를 보호하며 윗면에 복수의 고정홈(10)이 형성된 원통형상의 슬리브지지체(4)와, 상기한 슬리브(2)를 슬리브지지체(4)에 고정하는 복수의 지지부재(6)로 구성된다.First, as shown in FIGS. 1 and 2, one embodiment of the electron gun cathode according to the present invention includes a base metal 3 coated with an electron radiating material 1 and a cylindrical shape supporting the base metal 3. A sleeve (2), a heater (6) installed in the sleeve (2), a cylindrical sleeve support (4) protecting the sleeve (2) and having a plurality of fixing grooves (10) formed on the upper surface thereof; And a plurality of support members 6 for fixing the sleeve 2 to the sleeve support 4.
상기한 전자방사물질(1)은 탄산염이 주로 사용된다. 상기한 탄산염으로서는 주로 탄산바륨(BaCO3)이나 탄산스트론듐(SrCO3) 또는 탄산칼슘(CaCO3) 등의 3원염이 사용되고, 암모니아침전과 소다침전을 사용한다.As the electron-emitting material 1, carbonate is mainly used. As the carbonate, ternary salts such as barium carbonate (BaCO 3 ), strontium carbonate (SrCO 3 ) or calcium carbonate (CaCO 3 ) are mainly used, and ammonia precipitation and soda precipitation are used.
상기한 복수의 지지부재(6)는 봉형상 또는 띠판형상이 사용되고, 열팽창계수가 비교적 낮고 열용량이 적은 텅스텐 또는 텅스텐-몰리브덴계 합금으로 형성된다.The plurality of support members 6 are formed in a tungsten or tungsten-molybdenum-based alloy having a rod or strip shape and having a relatively low thermal expansion coefficient and a low heat capacity.
상기한 슬리브지지체(4)에 형성되는 고정홈(10)은 120°간격으로 3개를 형성하는 것이 바람직하고, 상기한 지지부재(6)도 3개를 사용하는 것이 바람직하다.It is preferable to form three fixing grooves 10 formed in the sleeve support 4 at intervals of 120 °, and it is preferable to use three of the support members 6 as well.
상기와 같이 구성되는 본 고안에 따른 전자총 음극은 슬리브(2)의 바깥면 아래부분에 상기한 지지부재(6)를 일정한 간격으로 배치하여 한쪽끝부분을 용접하고, 상기한 지지부재(6)의 다른쪽 끝부분은 상기한 슬리브지지체(4)에 형성된 고정홈(10)에 각각 삽입한 다음 용접하여 슬리브(2)를 슬리브지지체(4)에 고정한다.Electron gun cathode according to the present invention configured as described above is arranged at a predetermined interval to the support member 6 in the lower portion of the outer surface of the sleeve (2) to weld one end portion, of the support member (6) The other ends are respectively inserted into the fixing grooves 10 formed in the sleeve support 4 and then welded to fix the sleeve 2 to the sleeve support 4.
상기에서는 본 고안의 바람직한 실시예에 대하여 설명하였지만, 본 고안은 이에 한정되는 것이 아니고 실용신안등록 청구의 범위와 고안의 상세한 설명 및 첨부한 도면의 범위 안에서 여러 가지로 변형하여 실시하는 것이 가능하고 이 또한 본 고안의 범위에 속하는 것은 당연하다.In the above description of the preferred embodiment of the present invention, the present invention is not limited to this, but can be implemented in various ways within the scope of the utility model registration claims and the detailed description of the invention and the scope of the accompanying drawings. It is also natural to fall within the scope of the present invention.
상기와 같이 구성되는 본 고안 전자총 음극은 상기한 고정홈에 지지부재의 끝부분이 삽입되어 용접되므로 음극의 중심위치가 항상 일정한 위치에 고정되고, 용접도 확실하게 이루어지므로 용접불량이 발생하지 않는다.The electron gun cathode of the present invention configured as described above is welded by inserting the end portion of the supporting member into the fixing groove so that the center position of the negative electrode is always fixed at a constant position, and welding is made reliably, so that welding failure does not occur.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960028605U KR200244558Y1 (en) | 1996-09-09 | 1996-09-09 | Electron gun cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960028605U KR200244558Y1 (en) | 1996-09-09 | 1996-09-09 | Electron gun cathode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980015381U true KR19980015381U (en) | 1998-06-25 |
| KR200244558Y1 KR200244558Y1 (en) | 2001-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960028605U KR200244558Y1 (en) | 1996-09-09 | 1996-09-09 | Electron gun cathode |
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| Country | Link |
|---|---|
| KR (1) | KR200244558Y1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022128629A (en) * | 2021-02-24 | 2022-09-05 | 日鉄鉱業株式会社 | Semi-hard magnetic powder having high value of color and method for synthesizing the same |
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1996
- 1996-09-09 KR KR2019960028605U patent/KR200244558Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR200244558Y1 (en) | 2001-12-17 |
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