WO2012127963A1 - 電子銃又はイオン銃の取扱方法および収容体 - Google Patents
電子銃又はイオン銃の取扱方法および収容体 Download PDFInfo
- Publication number
- WO2012127963A1 WO2012127963A1 PCT/JP2012/054119 JP2012054119W WO2012127963A1 WO 2012127963 A1 WO2012127963 A1 WO 2012127963A1 JP 2012054119 W JP2012054119 W JP 2012054119W WO 2012127963 A1 WO2012127963 A1 WO 2012127963A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gun
- electron gun
- anode
- cathode
- container
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000012856 packing Methods 0.000 description 7
- 239000012212 insulator Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000010894 electron beam technology Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
-
- 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
-
- 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/065—Construction of guns or parts thereof
-
- 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/07—Eliminating deleterious effects due to thermal effects or electric or magnetic fields
-
- 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/08—Ion sources; Ion guns
-
- 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/067—Replacing parts of guns; Mutual adjustment of electrodes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
Definitions
- the present invention relates to an electron gun or ion gun handling method and container when storing or transporting an electron gun or ion gun.
- an electron gun or an ion gun is composed of an electrically insulated anode and cathode pair.
- ZrO / W Schottky electron sources that have become popular in recent years, an integrated electron source and anode (extraction electrode) have been put into practical use for ease of handling. (See Patent Document 1).
- a method is generally used in which the electron gun or ion gun is stored in a cardboard box together with a resin packaging after being fixed to a plastic container such as an acrylic container.
- the present invention has been made in view of the above problems, and an object thereof is to prevent the electrodes from being damaged due to discharge between the cathode and the anode due to static electricity.
- the present invention relates to an electron gun or ion gun handling method characterized in that an electron gun or ion gun having a cathode and an anode is stored or transported in a state where both electrodes are connected by a conductor.
- the present invention also relates to an electron gun or ion gun container characterized in that an electron gun or ion gun having a cathode and an anode is housed in a container in a state where both electrodes are connected by a conductor.
- the electron gun or ion gun handling method of the present invention it is possible to prevent discharge between the anode and the cathode due to static electricity by storing or transporting the cathode portion and the anode portion connected with a conductor. Therefore, it is possible to prevent the cathode tip from being damaged.
- the electron gun or ion gun container of the present invention it is possible to prevent discharge between the anode and the cathode due to static electricity, not only during storage or transportation, so that the cathode tip is damaged. Can be prevented.
- an electron gun or ion gun storage method and transport method suitable for electron beam application equipment such as a scanning electron microscope, Auger electron spectroscopy, an electron beam exposure machine, and a wafer inspection apparatus will be described. It is not limited to this.
- FIG. 1 shows a schematic diagram of an electron gun EG.
- the electron gun EG insulates and holds a cathode 1 serving as an electron emission source, a filament 3 for heating and holding the cathode 1, a conductive terminal 4 for holding the filament 3, and a conductive terminal 4
- an insulator 9 for controlling the emitted electrons, an anode 9 for extracting electrons from the cathode 1, and an insulator 8 for insulating the anode 9 and the control electrode 6 from each other. It is common.
- the ion gun also has the same structure as the electron gun EG except that the tip of the cathode 1 is located below the control electrode 6.
- the electron gun EG When storing and transporting the electron gun EG, as shown in FIG. 2, the electron gun EG is fixed to a base portion 10a of a plastic container such as an acrylic container 10 and then sealed with a lid 10b. It is common to wrap the film together with the material and store and transport it in a cardboard box. In many cases, a resinous material is used for the packing material, and static electricity is generated in the packing system due to friction caused by vibration.
- the cathode 1 and the anode 9 are connected by a conductor, so that the discharge between the anode 9 and the cathode 1 due to static electricity caused by friction of a packing material or the like can be prevented.
- the conductor preferably has a volume resistivity of 100 ⁇ cm or less, and more preferably short-circuited using a metal material.
- FIG. 3 shows a schematic diagram of the electron gun EG of the present embodiment.
- the electron gun EG is accommodated in the container 10, and the conductor connecting the two electrodes contacts the anode 9 by the metal member for fixing the conductive terminal 4 to the container 10 and the elastic restoring force.
- An example of the elastic metal member 11 is shown.
- the cathode 1 and the anode 9 have the same potential. Therefore, in the case of the conventional electron gun EG, the discharge between the anode 9 and the cathode 1 caused by static electricity accumulated in the anode 9 is eliminated by the structure of this embodiment.
- a metal plate with a hole is used as the elastic metal member 11, one end side of the elastic metal member 11 is electrically connected to the conductive terminal 4 through the screw 13, and the other end side is brought into contact with the anode 9. ing.
- the elastic restoring force of the metal plate is used.
- the elastic metal member 11 is configured to be detachable with respect to the electron gun EG or the ion gun.
- an elastic metal member 11 that contacts the upper surface of the anode 9 is provided.
- one surface of the metal plate is brought into surface contact with the anode 9, so that the connection by the conductor can be performed more reliably.
- one end side of the elastic metal member 11 has a shape that makes contact with the screw 13 that fixes the conductive terminal 4 to the base portion 10 a by elastic restoring force, and the other end side by elastic restoring force.
- the shape is in contact with the anode 9.
- Such an elastic metal member 11 is fixed to the lid 10 b of the container 10. According to this configuration, it is possible to connect the two electrodes with a conductor simply by covering the base 10a of the container 10 with the lid 10b. Any method may be used for fixing the elastic metal member 11 to the lid 10b, and examples thereof include bonding with an adhesive, heat fusion, and fixing with a screw.
- the elastic metal member 11 is fixed to the base portion 10a of the container 10, one end side of the elastic metal member 11 is in contact with the conductive terminal 4 by elastic restoring force, and the other end side is elastic.
- the shape comes into contact with the anode 9 by the restoring force.
- the conductive terminal 4 of the electron gun EG is inserted into the fixing hole of the base portion 10a, and the electron gun EG is fixed to the base portion 10a.
- the two electrodes can be connected by the conductor only by inserting the conductive terminal 4 of the electron gun EG into the fixing hole of the base portion 10a.
- Any method may be used to fix the elastic metal member 11 to the base portion 10a, and examples thereof include bonding with an adhesive, thermal fusion, and fixing with a screw.
- the conductive terminal portion of the electron gun EG is fixed to the acrylic container.
- the fixing method is performed by making a hole in the holding portion 10 a of the acrylic container 10, inserting one end 4 a of the conductive terminal 4 there, and tightening with a screw 13 from the side.
- a metal plate having a hole is used as the elastic metal member 11, and the hole of the elastic metal member 11 is inserted into the screw 13. While fixing the elastic metal member 11 with the nut 12, the screw 13 is fastened to bring the conductive terminal 4 and the screw 13 into contact.
- the metal plate is preferably a SUS plate having a thickness of about 0.1 mm, but is not limited thereto.
- the acrylic container 10 is sealed, wrapped in a film together with a resin packing material, and placed in a plastic container.
- the plastic container is put in a cardboard box, and the gap is filled with foamed polystyrene to complete the packaging (see FIG. 4).
- the corrugated cardboard box was installed in a vibration generator, and vibration with a frequency of 3 Hz and an amplitude of 40 mm was continuously applied for 17.5 hours.
- the vibration generator is a shaker used for an analysis experiment, but is not limited to this.
- FIG. 5 shows an example of an image of the cathode tip that has been damaged by electric discharge.
- Table 1 shows that in the examples, no cathode tip was damaged in 60 of the examples. On the other hand, in Comparative Example 1, 57 of the 60 cathodes were damaged, and the effects of the present invention were confirmed.
- Comparative Example 2 it was confirmed that 23 of 60 cathode tips were damaged. From this, it was found that the cathode tip damage was not eliminated only by changing the electron gun fixed container to a conductive metal container.
- the present invention is suitable for storage and transportation of an electron gun or ion gun characterized in that the cathode or anode has a sharp end, and further, an electron gun or ion gun comprising a tungsten or anode made of tungsten. Suitable for storage method and transportation.
- the handling method and container of the electron gun or ion gun of the present invention can prevent discharge between both electrodes due to static electricity by connecting the cathode and the anode with a conductor, and the productivity is improved. It is suitable for use in storage and transportation of an electron gun or ion gun suitable for an electron beam application device such as an exposure machine, a wafer inspection device, and an electron beam LSI tester, and is very useful industrially.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electron Sources, Ion Sources (AREA)
- Elimination Of Static Electricity (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
以下、実施例について説明する。
電子銃EGの導電端子部をアクリル容器に固定する。固定方法は、図3に示すようにアクリル容器10の保持部10aに穴を開け、そこに導電端子4の一端4aを挿入し、側面からネジ13で締めこむことで行う。弾性金属部材11として、穴を開けた金属板を使用し、弾性金属部材11の穴をネジ13に挿入しておく。この弾性金属部材11をナット12で固定しつつ、ネジ13を締結して導電端子4とネジ13を接触させる。
実施例に用いた金属板を使用しなかったこと以外は、実施例と同じ方法で梱包した電子銃を、実施例と同様の方法で振動を与え、開封後走査型電子顕微鏡による陰極先端観察を実施した。
固定容器をアクリル容器10から金属製容器に変更し、それ以外は比較例1と同様の方法で試験を実施した。
電子銃から陽極を取り外した、いわゆる電子源を用いて、それ以外は比較例1と同様の方法で試験を実施した。
2:拡散源
3:フィラメント
4:導電端子
5:絶縁碍子
6:制御電極
7:ねじ
8:絶縁碍子
9:陽極(引き出し電極)
10:アクリル容器
11:弾性金属部材(導体)
12:ナット
EG:電子銃
Claims (9)
- 陰極と陽極を有する電子銃又はイオン銃を、両極間を導体で接続した状態で保管又は輸送することを特徴とする電子銃又はイオン銃の取扱方法。
- 前記陰極、又は前記陽極が先鋭端を有する請求項1記載の電子銃又はイオン銃の取扱方法。
- 前記陰極、又は前記陽極がタングステンからなる請求項2記載の電子銃又はイオン銃の取扱方法。
- 前記電子銃又はイオン銃が容器に収容されていると共に、前記両極間を接続する導体が前記電子銃又はイオン銃の端子を前記容器に固定するための金属部材を含む請求項1記載の電子銃又はイオン銃の取扱方法。
- 前記両極間を接続する導体が、弾性復元力により前記陰極又は前記陽極に接触する弾性金属部材を含む請求項1記載の電子銃又はイオン銃の取扱方法。
- 前記電子銃又はイオン銃が容器に収容されていると共に、前記弾性金属部材が前記容器に固着されている請求項4記載の電子銃又はイオン銃の取扱方法。
- 陰極と陽極を有する電子銃又はイオン銃を、両極間を導体で接続した状態で、容器に収容していることを特徴とする電子銃又はイオン銃の収容体。
- 前記陰極、又は前記陽極が先鋭端を有する請求項7記載の電子銃又はイオン銃の収容体。
- 前記陰極、又は前記陽極がタングステンからなる請求項8記載の電子銃又はイオン銃の収容体。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/005,469 US9496673B2 (en) | 2011-03-18 | 2012-02-21 | Enclosure and method for handling electron gun or ion gun |
JP2013505853A JP5925764B2 (ja) | 2011-03-18 | 2012-02-21 | 電子銃又はイオン銃の取扱方法および収容体 |
DE112012001287.9T DE112012001287B4 (de) | 2011-03-18 | 2012-02-21 | Gehäuse und Verfahren zum Handhaben einer Elektronenkanone oder Ionenkanone |
CN201280013818.6A CN103430275B (zh) | 2011-03-18 | 2012-02-21 | 电子枪或离子枪的处理方法及收纳体 |
IL228286A IL228286A (en) | 2011-03-18 | 2013-09-03 | Device and method for holding electron cannon or ion cannon |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2011060615 | 2011-03-18 | ||
JP2011-060615 | 2011-03-18 |
Publications (1)
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WO2012127963A1 true WO2012127963A1 (ja) | 2012-09-27 |
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Family Applications (1)
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PCT/JP2012/054119 WO2012127963A1 (ja) | 2011-03-18 | 2012-02-21 | 電子銃又はイオン銃の取扱方法および収容体 |
Country Status (7)
Country | Link |
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US (1) | US9496673B2 (ja) |
JP (1) | JP5925764B2 (ja) |
CN (1) | CN103430275B (ja) |
DE (1) | DE112012001287B4 (ja) |
IL (1) | IL228286A (ja) |
TW (1) | TWI558631B (ja) |
WO (1) | WO2012127963A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106816350B (zh) * | 2017-03-24 | 2019-06-14 | 中国工程物理研究院流体物理研究所 | 一种电子枪 |
WO2021117226A1 (ja) * | 2019-12-13 | 2021-06-17 | 株式会社日立ハイテク | 荷電粒子銃、荷電粒子線装置 |
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JPS6149965U (ja) * | 1984-09-05 | 1986-04-03 | ||
JPS63168956U (ja) * | 1987-04-24 | 1988-11-02 | ||
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JPH04190547A (ja) * | 1990-11-22 | 1992-07-08 | Jeol Ltd | 電界放出型電子銃 |
JPH0545887U (ja) * | 1991-11-20 | 1993-06-18 | 株式会社日立製作所 | 荷電粒子銃 |
JPH0982255A (ja) * | 1995-09-11 | 1997-03-28 | Denki Kagaku Kogyo Kk | 電界放射型荷電粒子銃 |
WO2008123338A1 (ja) * | 2007-03-27 | 2008-10-16 | Denki Kagaku Kogyo Kabushiki Kaisha | 荷電粒子装置用部品とその製造方法 |
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US4020318A (en) * | 1975-01-24 | 1977-04-26 | The Welding Institute | Electron beam generators |
US5834781A (en) * | 1996-02-14 | 1998-11-10 | Hitachi, Ltd. | Electron source and electron beam-emitting apparatus equipped with same |
US6238582B1 (en) * | 1999-03-30 | 2001-05-29 | Veeco Instruments, Inc. | Reactive ion beam etching method and a thin film head fabricated using the method |
JP4210131B2 (ja) * | 2003-02-03 | 2009-01-14 | 電気化学工業株式会社 | 電子源及び電子源の使用方法 |
EP1947674B1 (en) * | 2005-11-08 | 2015-06-17 | Advantest Corporation | Electron gun, electron beam exposure system and exposure method |
JP4782736B2 (ja) * | 2007-07-12 | 2011-09-28 | 電気化学工業株式会社 | 電子源 |
JP5074879B2 (ja) * | 2007-10-16 | 2012-11-14 | 双葉電子工業株式会社 | 電子放出素子及び表示素子 |
JP2009100540A (ja) | 2007-10-16 | 2009-05-07 | Nippon Densan Corp | チャッキング装置を備えたモータ、およびこのモータを搭載したディスク駆動装置 |
GB2460855B (en) * | 2008-06-11 | 2013-02-27 | Kratos Analytical Ltd | Electron spectroscopy |
FR2957455B1 (fr) * | 2010-03-09 | 2012-04-20 | Essilor Int | Enveloppe de protection pour canon a ions, dispositif de depot de materiaux par evaporation sous vide comprenant une telle enveloppe de protection et procede de depot de materiaux |
-
2012
- 2012-02-21 DE DE112012001287.9T patent/DE112012001287B4/de active Active
- 2012-02-21 WO PCT/JP2012/054119 patent/WO2012127963A1/ja active Application Filing
- 2012-02-21 US US14/005,469 patent/US9496673B2/en active Active
- 2012-02-21 CN CN201280013818.6A patent/CN103430275B/zh active Active
- 2012-02-21 JP JP2013505853A patent/JP5925764B2/ja active Active
- 2012-02-29 TW TW101106576A patent/TWI558631B/zh active
-
2013
- 2013-09-03 IL IL228286A patent/IL228286A/en active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6149965U (ja) * | 1984-09-05 | 1986-04-03 | ||
JPS63168956U (ja) * | 1987-04-24 | 1988-11-02 | ||
JPH0294238A (ja) * | 1988-09-29 | 1990-04-05 | Denki Kagaku Kogyo Kk | 荷電粒子放射源構造体の保管方法 |
JPH04190547A (ja) * | 1990-11-22 | 1992-07-08 | Jeol Ltd | 電界放出型電子銃 |
JPH0545887U (ja) * | 1991-11-20 | 1993-06-18 | 株式会社日立製作所 | 荷電粒子銃 |
JPH0982255A (ja) * | 1995-09-11 | 1997-03-28 | Denki Kagaku Kogyo Kk | 電界放射型荷電粒子銃 |
WO2008123338A1 (ja) * | 2007-03-27 | 2008-10-16 | Denki Kagaku Kogyo Kabushiki Kaisha | 荷電粒子装置用部品とその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US9496673B2 (en) | 2016-11-15 |
TW201238868A (en) | 2012-10-01 |
DE112012001287T5 (de) | 2014-06-26 |
CN103430275A (zh) | 2013-12-04 |
IL228286A (en) | 2016-10-31 |
CN103430275B (zh) | 2018-01-16 |
US20140000104A1 (en) | 2014-01-02 |
TWI558631B (zh) | 2016-11-21 |
JPWO2012127963A1 (ja) | 2014-07-24 |
DE112012001287B4 (de) | 2016-01-21 |
JP5925764B2 (ja) | 2016-05-25 |
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