WO2002073636A1 - High-voltage electric apparatus - Google Patents
High-voltage electric apparatus Download PDFInfo
- Publication number
- WO2002073636A1 WO2002073636A1 PCT/JP2002/002078 JP0202078W WO02073636A1 WO 2002073636 A1 WO2002073636 A1 WO 2002073636A1 JP 0202078 W JP0202078 W JP 0202078W WO 02073636 A1 WO02073636 A1 WO 02073636A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pushing
- voltage
- terminal
- side flange
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/248—Components associated with high voltage supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/06—Sources
- H01J2237/063—Electron sources
Definitions
- the present invention relates to a high-voltage electric device to which a high voltage is applied to accelerate ions and charged particles, such as a focused ion beam processing observation device.
- Electrical equipment having a high voltage section of 20 [kV] or more such as a focused ion beam processing observation device, has a structure in which the main body of the vacuum vessel and the high-voltage power supply can be separated, so that the maintenance of the main body is convenient. Is being planned. In such high-voltage electrical equipment, the dielectric strength of the part that electrically connects the power supply side and the main body side is important.
- a transformer for a power supply is disclosed in Japanese Patent Application Laid-Open Nos. 5-190353, 5-2997, and 6-28. As described in Japanese Patent Publication No. 3299, it has been proposed to fill a winding portion to which a high voltage is applied with transformer oil having a high withstand voltage.
- An object of the present invention is to provide a highly reliable electrical device that can be reduced in size by suppressing an increase in leakage current due to dew condensation or moisture absorption on a high-voltage insulating surface, thereby improving dielectric strength. Disclosure of the invention In one aspect of the present invention, a pushing terminal connected to an electric wire for supplying a high voltage, a connection pushing holding the pushing terminal, a detachable fitting of the connection pushing, and a connection with the pushing terminal
- a high-voltage electrical device provided with a power receiving side flange having a flange terminal, when a connection bushing is mounted on the power receiving side flange, a gap formed between the connection bushing and the power receiving side flange has an insulating property. Characterized in that the liquid is sealed.
- the insulating liquid is an insulating liquid containing fluorine as a main component and having a water solubility of 50 [ppm] or less at 40 [° C].
- the insulating gas has a dew point temperature of ⁇ 40 [° C], a water content of less than 300 [ppm], and an insulating property equal to or higher than that of air (a breakdown electric field of 2 [k V / mm] or more is preferable.
- connection bushing facing the gap portion is subjected to a water-repellent treatment including a fluorine-based resin material.
- condensation or moisture absorption on the surface of the insulator can be suppressed in the gaps between the high-voltage connections, and the increase in leakage current can be suppressed even in a high-humidity environment.
- a highly miniaturized electric device can be obtained.
- These high-voltage electric devices are composed of an electron source such as an electron microscope or an ion source, and are suitably applied to an electronic device for processing and observing a sample with an accelerated ion beam.
- FIG. 1 is a schematic configuration diagram of a focused ion beam processing / observation pattern generation device which is a high-voltage device according to a first embodiment of the present invention.
- FIG. 2 is a longitudinal sectional view showing the vicinity of the high-voltage connection portion of the first embodiment.
- FIG. 3 is a characteristic diagram showing the effect of the first embodiment.
- FIG. 4 is another characteristic diagram showing the effect of the first embodiment.
- FIG. 5 is a longitudinal sectional view showing the vicinity of a high-voltage connection portion according to a second embodiment of the present invention.
- Figure 6 shows the second implementation It is a characteristic view showing the effect of an example.
- FIG. 7 is a longitudinal sectional view showing the vicinity of a high-voltage connecting portion according to a third embodiment of the present invention.
- FIG. 1 is a schematic configuration diagram of a focused ion beam machining observation pattern generation device, which is a high-voltage electric device according to a first embodiment of the present invention.
- 1 is a pattern generator
- 2 is an ion gun
- 2-1 is an ion source
- 2-2 is an electrode
- 3 is a deflection electrode
- 4 is an objective lens
- 5 is a sample
- 6 is a sample stage
- 7 is a sample moving mechanism
- 8 is a detector
- 9 is a gas gun for wiping assist gas
- 10 is a needle valve
- 11 is a gas source
- 12 is a vacuum exhaust device.
- 13 is a high voltage power supply
- 13-1 is a high voltage generator for ion acceleration
- 13-2 is an ion acceleration voltage controller
- 13-3 is a high voltage cable for transmitting the positive high voltage current (+ HV1) generated by the high voltage generator 13-1
- 13-4 is a high voltage generator for ion focusing
- 13-5 is a focusing control unit.
- 1 3-6 is a high-voltage cable for sending the positive high-voltage current (+ HV2) generated by the high-voltage generator 13-4.
- Reference numeral 14 denotes an operation control unit
- 15 denotes a signal amplification processing unit
- 16 denotes an irradiation position control unit
- 17 denotes a sputtering Z-assist control unit
- 18 denotes a sample position control unit
- 19 denotes a vacuum exhaust system control unit
- 20 is an assist gas control unit
- 21 is a display
- 22 is a keyboard
- 23 is a disk.
- a configuration and an operation when a charged particle, for example, a secondary electron emitted from a sample irradiated with an ion beam, is displayed on the display 21 as a SIMO image will be described.
- the high-pressure generator for ion acceleration 13-1 applies a positive high voltage (+ HV 1) to the ion source 2-1 via the high-voltage connection 13-1 ⁇ .
- a needle-type ion source 2-1 having a sharp tip and containing a gallium emits a gallium 'ion' beam by electric field evaporation of the liquid gallium.
- This ion beam passes through a grounded electrode 2-2 having a hole on the axis to constitute an ion gun 2.
- the acceleration voltage for accelerating this gallium ion beam is controlled by the ion acceleration voltage controller 13-2. Is set.
- the emitted gallium ion beam is narrowed (imaged) on a sample 5 mounted on a sample table 6 by an objective lens 4 and scanned over the sample 5 by a deflection electrode 3.
- secondary electrons and the like emitted from the sample 5 are detected by the detector 8 and supplied to the signal amplification processing unit 15.
- the positive high voltage (+ HV 2) generated by the high voltage generator 13-4 based on the signal from the focusing control unit 13-5 is applied to the objective lens 4, and the high voltage
- the gallium / ion / beam is narrowed down to the sample 5 after passing through one bull 1 3-6.
- the signal supplied to the signal amplification processing unit 15 is amplified, processed, and the like, and displayed on the display 21 as, for example, a SIM image.
- the magnification of the displayed SIM image is determined by the magnitude of the scanning signal applied to the deflection electrode 3 by the scanning control unit 14.
- the position of the sample 5 observed on the display 21 is determined by moving the sample table 6 by the sample moving mechanism 7 according to an instruction from the sample position control unit 18 or via a manual mechanism (not shown).
- the sample moving mechanism 7 is controlled by moving the sample stage 6.
- the inside of the sample chamber and the like constituting the pattern generating apparatus 1 and the area where the gallium ion beam passes are evacuated to an ultra-high vacuum by the vacuum pumping apparatus 12 based on the instruction from the vacuum pumping system controller 19. There is an evacuated vacuum section 1a.
- the SIM image of the sample 5 can be observed. Although a detailed description is omitted, it is also possible to accurately determine a position necessary for laminating a conductive pattern and a new insulating pattern by an operation similar to the above operation.
- FIG. 2 shows, as a first embodiment of the present invention, a high-voltage connection for electrically connecting a high-voltage current generated by the high-voltage generator for ion acceleration 13-1 to the ion source 2-1. It is a longitudinal cross-sectional view which shows the vicinity of part 13-11.
- the high voltage applied from the high-voltage generator for ion acceleration 13-1 passes through the high-voltage cable 13-3 to the connection on the power transmission side to the pushing terminal 13-1 1 1 a of the pushing 13-1 1 1 Applied.
- This high voltage is applied to the flange terminal 1 3—1 1 2a of the receiving side flange 1 3—1 1 2 closely connected to the bushing terminal 1 3—1 1 1a. Guided to 1.
- the receiving flange 13-1 1 2 has a metal flange 13-1 1 2b at the top, and is at ground potential.
- the lower part is made of insulator 1 3—1 1 2 c. Insulate between the ground potential of the metal flange 13-1 12 b and the high voltage applied to the flange terminal 13-1 12 a. High voltage is applied between the pushing terminal 13-1 1 1a or the receiving flange terminal 13 3 1 1 2a and the metal flange 13 3 1 1 2b.
- a gap 1 3—1 1 3 of about 1 mm is provided between the connection pushing 13 1—1 1 1 on the power transmission side and the flange 13 1—1 1 2 on the power reception side.
- a part or almost all of 3 is filled with an insulating liquid 13-113a having a small amount of dissolved water, and is isolated from the outside air by an O-ring 13-114.
- the power receiving device or electronic device including the gas source 11 is housed in the vacuum section 1a in the vacuum container.
- the connection bushing 1 3—1 1 1 and the receiving-side flange 1 3—1 1 2 Is held at one.
- the connection bushing 13-11 is detachably fitted to the power receiving flange 13-11 provided on the container. By this fitting, the bushing terminal 13-1 1 la provided on the connection pushing 13-1 1 1 and connected to the cable 13-3 and the power receiving side flange 13-1 1 2 are provided.
- the flange terminals 13-11 a that conduct electricity to the power receiving device are detachably connected. This fitting or detaching connection work is performed when the connection pushing 13-1 11 is attached to or detached from the power receiving device.
- connection pushing 13-1 1 1 is attached to the power receiving side flange 13-1 1 2, the connection pushing 13-1 1 1 and the receiving side flange 13-1 1 2 The liquid is filled so that the insulating liquid 1 3 1 1 3 a with a small amount of dissolved water is present in the gap 13-1 13 formed in the gap.
- 13--11 lb indicates a bushing flange
- 13-111d indicates a push insulating surface.
- the pushing pin 1 3 1 1 1 a which is connected to the electric wire 1 3 3 for feeding the high voltage electricity, the connection bushing for holding the pushing pin 1 3- 1 1 1 and this connection pushing is removably fitted and
- the high-voltage electrical equipment 1 including the power receiving flange 13-1 12 having the flange terminal 13-1 12 a connected to the bushing terminal, when the connection pushing is attached to the power receiving flange.
- An insulating liquid containing fluorine as the main component and having a water solubility of 40 or less [50 pm] is formed in the gap 13-1 13 formed between the connection pushing and the power receiving flange. 1 3— 1 1 3 a is enclosed.
- the insulating liquid 1 3—1 1 3 is placed in the gap 1 3—1 1 3 near the high-voltage connection where the pushing terminal 1 3—1 1 1a and the flange terminal 1 3—1 1 2a are connected. Since 3a exists, it is possible to suppress an increase in leakage current due to condensation or moisture absorption and a decrease in dielectric strength due to the increase. In other words, when the maintenance work of the main body of the pattern generator 1 is performed, the surroundings are in a high humidity atmosphere, and the connection bushing 13-1 11 1 is condensed on the bushing insulating surface 13-11 Even if moisture absorption occurs, an increase in leakage current is suppressed by the insulating liquid, and insulation resistance and reliability can be improved.
- FIG. 3 is a diagram for explaining the effect of the present embodiment, and shows the relationship between applied voltage and leakage current under high humidity.
- the temperature and humidity are assumed to be the maximum temperature and humidity conditions during maintenance work, and the power transmission side bushing 1 3—1 1 1 and the power receiving side flange 1 1 2 are separated and the temperature is 90 ° C at 40 ° C. Exposure to a% RH atmosphere for 10 minutes, and then both were assembled and connected in that atmosphere.
- the applied voltage is expressed as the rated voltage value of 100%
- the leak current value is expressed as the first conventional example C1 when the gap 13-1 13 is not filled, and the above-mentioned rated voltage is applied.
- the increase in the leakage current that occurs when is applied is set to 100%.
- the characteristic P1 according to the present embodiment is, as an insulating liquid 13-114 with a small amount of dissolved water, a liquid having an amount of dissolved water of 11 [p pm] and a volume resistance of 8 X 1015 [[ ⁇ -cm]].
- a fluorine-based insulating liquid C8H16: Sumitomo 3M FC-75
- the first conventional example has the characteristic C 1 when the gap 13-1 13 is not filled
- the second conventional example has the characteristic C when the transformer oil is filled. 2 types.
- the measured increase in leakage current is indicated by the current flowing in HV1 when the DC voltage is applied up to the rated voltage.
- LT indicates the limit value of the occurrence of partial destruction.
- the insulating liquid 13-1 13 a is located at a position beyond the boundary between the power receiving metal flange 13-1 1 2 b and the power receiving flange insulation surface 13-1 1 2 d. It is preferable to fill up to.
- FIG. 4 is a diagram illustrating the insulating liquid according to the present invention when the gap 13-1 13 is filled with four types of insulating liquids of No. 1 to 4 having different amounts of dissolved water as the insulating liquid of the present embodiment.
- FIG. 8 shows the relationship P2 between the amount of water dissolved in various insulating liquids and the increase in leak current.
- the insulating liquids No. 1 and No. 2 are fluorine-based insulating liquids having different amounts of dissolved water, No. 3 is the transformer oil, and No. 4 is a silicone oil.
- the leakage current measurement conditions are the same as in Fig. 3, and show the increase in leakage current when the applied voltage is at the rated voltage.
- an insulating liquid in this case, a transformer oil having a water dissolution amount of about 50 [p pm] or more, the increase of the leak current becomes remarkable.
- the leakage current becomes about 15 [% ⁇ A] or more, a dielectric breakdown that becomes a partial carbide path occurs on the bushing insulating surface 13-1 11 c.
- the water solubility of 1 13a must be 50 [p pm] or less.
- the insulating liquid 13-1 13 a in the first embodiment has a breakdown voltage of about 10 [kV / mm] or more and a volume insulation resistance of 1 X 1 Ois [ ⁇ -cm] or more. It is preferable that the insulating property has a certain value. If the insulating property is smaller than this, the leak current becomes about 15 [% [] or more under conditions lower than the above-mentioned exposure conditions, and partial insulation breakdown occurs.
- FIG. 5 is a sectional view showing the vicinity of a high-voltage connection portion 13-11 corresponding to FIG. 2 as a second embodiment of the present invention.
- valves 13-1 11 e and 13-11 1 f are provided on the pushing flange 13-1 1 1 d, and a gap is externally provided through the valve 13-1 11 e.
- Part 13-1 13 is filled with insulating gas 13-1 13 b with low moisture content, and both valves are closed and sealed.
- the insulating gas 13-1 13 b dry nitrogen (water content: 126 [p pm] at a dew point of 140 []) is used. Filled and sealed.
- the power supply is connected to electric wires 13-3 for supplying high-voltage electricity.
- a high-voltage electrical device provided with a power receiving flange 13 a having a 1 3-1 1 2, between the connection bushing and the power receiving flange when the connection pushing is attached to the power receiving flange.
- the gap formed is sealed in the space between 1 3 and 1 13 and has a dew point of 140 [° C], a water content of 300 ppm or less, and at least as high as air. 2 [kV / mm] or more), which is composed of an insulating gas having an insulating property, for example, dry nitrogen, dry air, or dry carbonic acid gas.
- the gap 13-1 13 is filled with dry nitrogen 13-11 13 b having a small moisture content, moisture is adsorbed on the bushing insulating surface 13-1 11 c. Even if the moisture is absorbed, the moisture of the bushing is absorbed by the dry nitrogen 13-1 13 b, so that the insulation of the bushing insulation surface 13-1 11 c maintains the specified insulation resistance and suppresses the increase in leak current. can do.
- Fig. 6 shows the relationship between moisture content and leakage current at a dew point temperature of 140 [° C] when nitrogen gas with different moisture content is filled in the gap 13-11 is there.
- the leak current measurement conditions are the same as in FIGS.
- the water content exceeds about 300 [ppm] the increase in leakage current becomes 15 [ ⁇ ] or more. Therefore, the water content of the nitrogen gas to be filled is about 300 [p pm] or less. It is preferable.
- the gap 13-1 13 was formed by filling with dry nitrogen.
- the insulation was not more than about 300 [pm].
- the same effect can be obtained not only with dry nitrogen but also with insulating gas such as dry air or dry carbon dioxide gas and a mixed gas of these gases 13-11b.
- FIG. 7 is a sectional view showing the vicinity of the high-voltage connection portions 13-11 corresponding to FIG. 2 as another embodiment of the present invention.
- the surface 13-1 11 c of the connection pushing 13-1 11 1 facing the gap 13-1 13 is subjected to a water-repellent treatment. That is, a material having high water repellency, for example, coating with a fluororesin coating agent Water-repellent layer 13-1 1 1 c.
- the absolutely green surface of the pushing is formed of the water-repellent layer 13—11c having high water repellency. Diffusion of moisture is suppressed, and the insulating property of the pushing insulating surface is maintained at a predetermined dielectric strength, and an increase in leak current can be suppressed.
- a coating 13-1 11 c of a material having high water repellency is applied to the insulating insulating surface of the pushing.
- the coating is applied to the insulating surface 13-1-12 d of the power receiving side, the effect is more improved. Notable.
- each of the first to third embodiments has been described as a single embodiment, but a configuration in which these embodiments are combined may be used.
- the present invention is directed to filling an insulating liquid or gas, which hardly causes dew condensation or moisture absorption, into a gap near a high-voltage connection part of an electric device, and a method of forming an insulating surface facing the gap with a water-repellent material.
- the coated structure it is possible to suppress an increase in leak current due to condensation or moisture absorption on the surface of the insulator and a decrease in dielectric strength due to the increase, thereby providing a high-voltage electric device that can be reduced in size.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Insulators (AREA)
- Electron Sources, Ion Sources (AREA)
- Testing Relating To Insulation (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02705086A EP1367609B1 (en) | 2001-03-07 | 2002-03-06 | High-voltage electric apparatus |
| US10/469,643 US6815608B2 (en) | 2001-03-07 | 2002-03-06 | High-voltage electric apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001062988A JP2002270125A (ja) | 2001-03-07 | 2001-03-07 | 高電圧電気機器 |
| JP2001-62988 | 2001-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002073636A1 true WO2002073636A1 (en) | 2002-09-19 |
Family
ID=18922047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2002/002078 Ceased WO2002073636A1 (en) | 2001-03-07 | 2002-03-06 | High-voltage electric apparatus |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6815608B2 (ja) |
| EP (1) | EP1367609B1 (ja) |
| JP (1) | JP2002270125A (ja) |
| WO (1) | WO2002073636A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9409986B2 (en) | 2010-05-14 | 2016-08-09 | Abbvie Inc. | IL-1 binding proteins |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4385048B2 (ja) | 2006-12-12 | 2009-12-16 | 株式会社日立ハイテクノロジーズ | 荷電ビーム銃 |
| JP4940053B2 (ja) * | 2007-08-16 | 2012-05-30 | 株式会社日立ハイテクノロジーズ | 荷電粒子線装置 |
| US8492656B2 (en) * | 2010-09-07 | 2013-07-23 | General Electric Company | High voltage bushing |
| CN102184829B (zh) * | 2011-01-28 | 2013-01-16 | 北京航空航天大学 | 电子显微镜用高压箱的换气装置 |
| EP3008782B1 (en) * | 2013-06-14 | 2017-05-31 | ABB Schweiz AG | A power converter with oil filled reactors |
| CN105161394A (zh) * | 2015-08-13 | 2015-12-16 | 北京中科科仪股份有限公司 | 一种场发射电子枪高压电缆的引入装置 |
| US20240242917A1 (en) * | 2021-05-17 | 2024-07-18 | Hitachi High-Tech Corporation | High-Voltage Insulating Structure, Charged Particle Gun, and Charged Particle Beam Device |
| DE102021129521B3 (de) * | 2021-11-12 | 2023-03-30 | VON ARDENNE Asset GmbH & Co. KG | Magnetsystem, Sputtervorrichtung und Verfahren |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51121158U (ja) * | 1975-03-20 | 1976-10-01 | ||
| JPS56160719A (en) * | 1980-05-15 | 1981-12-10 | Tokyo Shibaura Electric Co | Bushing |
| JPH08179000A (ja) * | 1994-12-26 | 1996-07-12 | Fujikura Ltd | 電力ケーブルの試験用端末構造 |
| JPH09259801A (ja) * | 1996-03-21 | 1997-10-03 | Jeol Ltd | 電子銃 |
| JPH10134659A (ja) * | 1996-10-28 | 1998-05-22 | Ngk Insulators Ltd | 吸着剤入り油入電気機器 |
| JPH11275720A (ja) * | 1998-03-25 | 1999-10-08 | Hitachi Ltd | ガス絶縁開閉装置 |
| JP2000090843A (ja) * | 1998-09-11 | 2000-03-31 | Nissin High Voltage Co Ltd | イオン源電源回路 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1004082A (en) * | 1961-01-10 | 1965-09-08 | Ass Elect Ind | Improvements in and relating to high-voltage bushings |
| US3809794A (en) * | 1971-09-07 | 1974-05-07 | Aluminum Co Of America | Fluid sheathed electrode lead for use in corrosive environment |
| JPS51121158A (en) | 1975-04-15 | 1976-10-22 | Mitsubishi Electric Corp | Transformer protection relay means |
| FR2534069B1 (fr) * | 1982-09-30 | 1986-04-04 | Jeumont Schneider | Traversee etanche pour enceinte contenant notamment des semi-conducteurs |
| DE3904195A1 (de) * | 1989-02-13 | 1990-08-23 | Forschungszentrum Juelich Gmbh | Stromdurchfuehrung fuer rezipienten mit heisser wandung |
| JPH05190353A (ja) | 1992-01-10 | 1993-07-30 | Toshiba Corp | 電気機器 |
| JP3203267B2 (ja) | 1992-04-20 | 2001-08-27 | 日本真空技術株式会社 | イオン加速装置 |
| JPH06283299A (ja) | 1993-03-25 | 1994-10-07 | Ulvac Japan Ltd | イオン加速装置 |
-
2001
- 2001-03-07 JP JP2001062988A patent/JP2002270125A/ja active Pending
-
2002
- 2002-03-06 WO PCT/JP2002/002078 patent/WO2002073636A1/ja not_active Ceased
- 2002-03-06 EP EP02705086A patent/EP1367609B1/en not_active Expired - Lifetime
- 2002-03-06 US US10/469,643 patent/US6815608B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51121158U (ja) * | 1975-03-20 | 1976-10-01 | ||
| JPS56160719A (en) * | 1980-05-15 | 1981-12-10 | Tokyo Shibaura Electric Co | Bushing |
| JPH08179000A (ja) * | 1994-12-26 | 1996-07-12 | Fujikura Ltd | 電力ケーブルの試験用端末構造 |
| JPH09259801A (ja) * | 1996-03-21 | 1997-10-03 | Jeol Ltd | 電子銃 |
| JPH10134659A (ja) * | 1996-10-28 | 1998-05-22 | Ngk Insulators Ltd | 吸着剤入り油入電気機器 |
| JPH11275720A (ja) * | 1998-03-25 | 1999-10-08 | Hitachi Ltd | ガス絶縁開閉装置 |
| JP2000090843A (ja) * | 1998-09-11 | 2000-03-31 | Nissin High Voltage Co Ltd | イオン源電源回路 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1367609A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9409986B2 (en) | 2010-05-14 | 2016-08-09 | Abbvie Inc. | IL-1 binding proteins |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1367609A1 (en) | 2003-12-03 |
| EP1367609A4 (en) | 2007-06-06 |
| US6815608B2 (en) | 2004-11-09 |
| EP1367609B1 (en) | 2008-09-10 |
| JP2002270125A (ja) | 2002-09-20 |
| US20040094327A1 (en) | 2004-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1222980C (zh) | 带电粒子束设备的光学柱 | |
| US10886101B2 (en) | Charged particle beam device | |
| WO2002013227A1 (en) | Sheet beam test apparatus | |
| JP2004134379A (ja) | 電子顕微鏡システム用対物レンズおよび電子顕微鏡システム | |
| WO2002073636A1 (en) | High-voltage electric apparatus | |
| US6180954B1 (en) | Dual-walled exhaust tubing for vacuum pump | |
| US6452173B1 (en) | Charged particle apparatus | |
| JP4262158B2 (ja) | 低真空走査電子顕微鏡 | |
| TW201443966A (zh) | 高處理量掃描致偏器及其製造之方法 | |
| US7804066B2 (en) | Charged-particle beam apparatus | |
| US6897450B2 (en) | Electromagnetic field superimposed lens and electron beam device using this electromagnetic field superimposed lens | |
| US7601971B2 (en) | Charged beam gun | |
| US6740888B2 (en) | Electron beam apparatus | |
| US12283452B2 (en) | Charged particle beam apparatus | |
| JP4940053B2 (ja) | 荷電粒子線装置 | |
| JP3814095B2 (ja) | 高電圧導入機構 | |
| JP3405161B2 (ja) | イオンビーム照射装置 | |
| JP2889872B1 (ja) | 電子顕微鏡 | |
| Hernandez-Garcia et al. | Inverted geometry ceramic insulators in high voltage DC electron guns for accelerators | |
| JP3955447B2 (ja) | 荷電粒子ビーム制御装置及びそれを用いた荷電粒子ビーム光学装置、ならびに荷電粒子ビーム欠陥検査装置 | |
| JP2001110286A (ja) | 真空絶縁開閉装置の真空排気素子 | |
| JP3349642B2 (ja) | イオンビーム加工装置の点検方法 | |
| JP2004362936A (ja) | 管内ガスの放電防止構造及びその構造を備えるガスイオン源 | |
| Matsunaga et al. | High-voltage engineering in vacuum and with electron beams for scanning electron microscope | |
| KR100746261B1 (ko) | 하전입자 발생장치의 고압전원 인가장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN KR US |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
| DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 2002705086 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 10469643 Country of ref document: US |
|
| WWP | Wipo information: published in national office |
Ref document number: 2002705086 Country of ref document: EP |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2002705086 Country of ref document: EP |