WO2015033239A1 - Discharge lamp, method for producing discharge lamp, and electrode for discharge lamp - Google Patents
Discharge lamp, method for producing discharge lamp, and electrode for discharge lamp Download PDFInfo
- Publication number
- WO2015033239A1 WO2015033239A1 PCT/IB2014/062847 IB2014062847W WO2015033239A1 WO 2015033239 A1 WO2015033239 A1 WO 2015033239A1 IB 2014062847 W IB2014062847 W IB 2014062847W WO 2015033239 A1 WO2015033239 A1 WO 2015033239A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- end side
- groove
- side member
- discharge lamp
- rear end
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
Abstract
Description
12 放電管
20 陰極
30 陽極
S1 接合面
R 溝部
r 微細溝
rr 幅広溝 DESCRIPTION OF
Claims (11)
- 放電管と、
前記放電管内に配置される一対の電極とを備え、
少なくとも一方の電極が、先端側部材と、前記先端側部材よりも展延性の高い後端側部材とを固相接合させた電極であり、
溝部が、前記先端側部材と前記後端側部材との接合面を跨いで電極側面に形成されていることを特徴とする放電ランプ。 A discharge tube;
A pair of electrodes disposed in the discharge tube,
At least one of the electrodes is an electrode obtained by solid-phase bonding a front end side member and a rear end side member having higher extensibility than the front end side member,
A discharge lamp characterized in that a groove is formed on the side surface of the electrode across the joint surface between the front end side member and the rear end side member. - 前記溝部の後端側部材側面において、むしれのある微細溝が形成されていることを特徴とする請求項1に記載の放電ランプ。 2. The discharge lamp according to claim 1, wherein a microscopic groove is formed on a side surface of the rear end side member of the groove portion.
- 前記微細溝が、後端側部材側面において、先端側部材側面よりも深いことを特徴とする請求項1乃至2のいずれかに記載の放電ランプ。 3. The discharge lamp according to claim 1, wherein the fine groove is deeper on the side surface of the rear end side member than on the side surface of the front end side member.
- 前記溝部が、固相接合後の切削加工において形成されることを特徴とする請求項1に記載の放電ランプ。 The discharge lamp according to claim 1, wherein the groove is formed by cutting after solid phase bonding.
- 前記溝部において、前記微細溝よりもピッチおよび深さが大きい幅広溝が、接合面を跨いで形成されることを特徴とする請求項1に記載の放電ランプ。 2. The discharge lamp according to claim 1, wherein in the groove portion, a wide groove having a larger pitch and depth than the fine groove is formed across the joining surface.
- 前記溝部において、後端側部材側面の表面粗さRaが、1.2μm以上であることを特徴とする請求項1に記載の放電ランプ。 2. The discharge lamp according to claim 1, wherein the groove has a surface roughness Ra of 1.2 μm or more on the side surface of the rear end side member.
- 前記溝部において、先端側部材側面の表面粗さRaが、0.7μm以下であることを特徴とする請求項1に記載の放電ランプ。 2. The discharge lamp according to claim 1, wherein a surface roughness Ra of the side surface of the tip end side member is 0.7 μm or less in the groove portion.
- 前記溝部において、後端側部材側面の反射率が、先端側部材側面の反射率よりも小さいことを特徴とする請求項1に記載の放電ランプ。 2. The discharge lamp according to claim 1, wherein, in the groove portion, the reflectance of the side surface of the rear end side member is smaller than the reflectance of the side surface of the front end side member.
- 先端側部材と、前記先端側部材よりも展延性の高い後端側部材とを固相接合させ、
固相接合させた電極部材側面を切削加工する放電ランプの製造方法であって、
前記切削加工において、前記先端側部材と前記後端側部材との接合面を跨ぐように電極部材側面に溝部を形成することを特徴とする放電ランプの製造方法。 Solid-phase joining the front end side member and the rear end side member having higher extensibility than the front end side member,
A method of manufacturing a discharge lamp for cutting a side surface of an electrode member subjected to solid phase bonding,
In the cutting process, a groove portion is formed on a side surface of the electrode member so as to straddle a joint surface between the front end side member and the rear end side member. - 前記切削加工において、後端側部材側面において、むしれによる微細溝を形成することを特徴とする請求項9に記載の放電ランプの製造方法。 10. The method of manufacturing a discharge lamp according to claim 9, wherein in the cutting process, fine grooves due to peeling are formed on a side surface of the rear end side member.
- 先端側部材と、
前記先端側部材と固相接合した後端側部材とを備え、
溝部が、前記先端側部材と前記後端側部材との接合面を跨いで電極側面に形成されていることを特徴とする放電ランプ用電極。 A tip side member;
A rear end side member solid-phase bonded to the front end side member,
An electrode for a discharge lamp, wherein a groove is formed on a side surface of the electrode so as to straddle a joint surface between the front end side member and the rear end side member.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015535169A JP6483020B2 (en) | 2013-07-22 | 2014-07-04 | Discharge lamp, discharge lamp manufacturing method, and discharge lamp electrode |
KR1020157036298A KR102206779B1 (en) | 2013-07-22 | 2014-07-04 | Discharge lamp, method for producing discharge lamp, and electrode for discharge lamp |
CN201480041336.0A CN105431922B (en) | 2013-07-22 | 2014-07-04 | Discharge lamp, the manufacture method of discharge lamp and electrode for discharge lamp |
Applications Claiming Priority (2)
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---|---|---|---|
JP2013151647 | 2013-07-22 | ||
JP2013-151647 | 2013-07-22 |
Publications (1)
Publication Number | Publication Date |
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WO2015033239A1 true WO2015033239A1 (en) | 2015-03-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2014/062847 WO2015033239A1 (en) | 2013-07-22 | 2014-07-04 | Discharge lamp, method for producing discharge lamp, and electrode for discharge lamp |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6483020B2 (en) |
KR (1) | KR102206779B1 (en) |
CN (1) | CN105431922B (en) |
TW (1) | TWI621151B (en) |
WO (1) | WO2015033239A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160117190A (en) * | 2015-03-31 | 2016-10-10 | 가부시키가이샤 오크세이사쿠쇼 | Discharge lamp |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP1673314S (en) | 2020-02-20 | 2020-11-24 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007287705A (en) * | 2000-08-03 | 2007-11-01 | Ushio Inc | Short arc type high pressure discharge lamp |
JP2010086855A (en) * | 2008-10-01 | 2010-04-15 | Ushio Inc | Short arc type discharge lamp |
JP2011216442A (en) * | 2010-04-02 | 2011-10-27 | Ushio Inc | Short arc type discharge lamp |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4512968B2 (en) * | 2000-08-03 | 2010-07-28 | ウシオ電機株式会社 | Short arc type high pressure discharge lamp |
TW523780B (en) * | 2000-08-03 | 2003-03-11 | Ushio Electric Inc | Short-arc high-pressure discharge lamp |
JP4484958B1 (en) | 2009-09-24 | 2010-06-16 | 株式会社オーク製作所 | Discharge lamp |
JP5365799B2 (en) * | 2009-10-23 | 2013-12-11 | ウシオ電機株式会社 | High pressure discharge lamp and method of manufacturing high pressure discharge lamp |
JP5316436B2 (en) * | 2010-01-28 | 2013-10-16 | ウシオ電機株式会社 | Discharge lamp |
JP5580136B2 (en) * | 2010-08-11 | 2014-08-27 | 株式会社オーク製作所 | Discharge lamp |
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2014
- 2014-07-04 CN CN201480041336.0A patent/CN105431922B/en active Active
- 2014-07-04 WO PCT/IB2014/062847 patent/WO2015033239A1/en active Application Filing
- 2014-07-04 JP JP2015535169A patent/JP6483020B2/en active Active
- 2014-07-04 KR KR1020157036298A patent/KR102206779B1/en active IP Right Grant
- 2014-07-21 TW TW103124880A patent/TWI621151B/en active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007287705A (en) * | 2000-08-03 | 2007-11-01 | Ushio Inc | Short arc type high pressure discharge lamp |
JP2010086855A (en) * | 2008-10-01 | 2010-04-15 | Ushio Inc | Short arc type discharge lamp |
JP2011216442A (en) * | 2010-04-02 | 2011-10-27 | Ushio Inc | Short arc type discharge lamp |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160117190A (en) * | 2015-03-31 | 2016-10-10 | 가부시키가이샤 오크세이사쿠쇼 | Discharge lamp |
CN106024577A (en) * | 2015-03-31 | 2016-10-12 | 株式会社Orc制作所 | Discharge lamp |
JP2016192325A (en) * | 2015-03-31 | 2016-11-10 | 株式会社オーク製作所 | Discharge lamp |
CN106024577B (en) * | 2015-03-31 | 2019-07-09 | 株式会社Orc制作所 | Discharge lamp |
TWI697937B (en) * | 2015-03-31 | 2020-07-01 | 日商奧克製作所股份有限公司 | Discharge lamp |
KR102469050B1 (en) * | 2015-03-31 | 2022-11-22 | 가부시키가이샤 오크세이사쿠쇼 | Discharge lamp |
Also Published As
Publication number | Publication date |
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TWI621151B (en) | 2018-04-11 |
KR102206779B1 (en) | 2021-01-22 |
JP6483020B2 (en) | 2019-03-13 |
KR20160033663A (en) | 2016-03-28 |
JPWO2015033239A1 (en) | 2017-03-02 |
TW201511080A (en) | 2015-03-16 |
CN105431922B (en) | 2017-07-14 |
CN105431922A (en) | 2016-03-23 |
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