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公开(公告)号:CN205303414U
公开(公告)日:2016-06-08
申请号:CN201620034299.7
申请日:2016-01-14
Applicant: 成都国光电气股份有限公司
Inventor: 陈旗
Abstract: 本实用新型公开了一种真空规管,所述真空规管包括电阻规管、冷阴极电离规管、置于真空规管外侧的永磁组件、用以连接真空测量设备与真空规管的高压插座,所述真空规管还包括法兰组件、阳极组件;所述法兰组件包括刀口法兰和焊接于刀口法兰上的管体,所述管体设有安装电阻规管和阳极组件的腔室;所述阳极组件包括压板、已金属化的陶瓷件和焊接于陶瓷组件上的阳极杆,所述压板上设有用以焊接陶瓷组件的焊接槽和用以安装电阻规管、陶瓷组件的腔室;采用所述真空规管其测量范围可以达到105Pa-10-7Pa,拓展了冷阴极电离规管的测量上限。
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公开(公告)号:CN203367219U
公开(公告)日:2013-12-25
申请号:CN201320375690.X
申请日:2013-06-27
Applicant: 成都国光电气股份有限公司
Abstract: 一种磁铁型冷阴极电离真空规管及包含其的真空测量系统,一种磁铁型冷阴极真空电离规管,其特征在于,所述磁铁型冷阴极真空电离规管包括电极、磁系统;所述一个电极是所述磁铁型冷阴极真空电离规管的金属外壳,所述金属外壳围成的内部空间与金属外壳外部被测空间相连通,另一个电极为呈棒状结构的电极,所述呈棒状结构电极置于所述金属外壳围成的内部空间中;所述磁系统为多个同性磁极相邻的方式置于磁铁型冷阴极真空电离规管的金属外壳表面的磁铁,所述磁系统能提供与棒状结构的电极的轴向一致的磁场。所述的磁铁型冷阴极电离真空规管及包含所述磁铁型冷阴极真空电离规管的真空测量系统,能够提高测量精度和测量范围。
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公开(公告)号:JPH076925A
公开(公告)日:1995-01-10
申请号:JP1666194
申请日:1994-02-10
Applicant: BOC GROUP PLC
Inventor: POORU GUREIAMU RESUBURITSUJI
Abstract: PURPOSE: To provide a magnetic structure for use in a vacuum gauge, wherein a magnetic field does not exist outside the gauge as much as possible. CONSTITUTION: A magnetic structure for use in a vacuum gauge, particularly a cold cathode ionization gauge, has a sheath 8 made of a ferromagnetic material. The sheath 8 holds therein a first magnetic array 9 and a second magnetic array 10. Each array has a plurality of magnet components to form a complete array. Magnet components are magnetized such that their poles lie substantially on lines emanating radially from the main axis of the magnetic structure. Each magnetic array has a polarity opposite to that of the other array and is longitudinally spaced apart from the other array.
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公开(公告)号:JP3648246B2
公开(公告)日:2005-05-18
申请号:JP51944596
申请日:1995-09-09
Applicant: ライボルト ヴァークウム ゲゼルシャフト ミット ベシュレンクテル ハフツング
Inventor: キュスター ゲルハルト
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公开(公告)号:JPH0922678A
公开(公告)日:1997-01-21
申请号:JP17392896
申请日:1996-07-03
Applicant: COMMISSARIAT ENERGIE ATOMIQUE
Inventor: ROBEERU BATEISU
Abstract: PROBLEM TO BE SOLVED: To provide a cold cathode vacuum gauge which can resume and maintain discharge with high reliability regardless of a vacuum rate and a value to be determined. SOLUTION: A device can be installed in an enclosure 16 in which a discharge area to be shut in by an electromagnetic field is positioned, and is formed to start and/or maintain discharge. The device is provided with a microchip electron source 20 positioned in the vicinity of the discharge area and a means 23 to polarize the microchip electron source so as to emit an electron in the direction of the discharge area to start and/or maintain the discharge.
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