JP6692419B2 - 固体レーザ装置 - Google Patents
固体レーザ装置 Download PDFInfo
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- JP6692419B2 JP6692419B2 JP2018519651A JP2018519651A JP6692419B2 JP 6692419 B2 JP6692419 B2 JP 6692419B2 JP 2018519651 A JP2018519651 A JP 2018519651A JP 2018519651 A JP2018519651 A JP 2018519651A JP 6692419 B2 JP6692419 B2 JP 6692419B2
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- 230000003287 optical effect Effects 0.000 claims description 32
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 11
- 230000005284 excitation Effects 0.000 description 8
- 239000002826 coolant Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
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- 238000005259 measurement Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/061—Crystal lasers or glass lasers with elliptical or circular cross-section and elongated shape, e.g. rod
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0615—Shape of end-face
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/0804—Transverse or lateral modes
- H01S3/0805—Transverse or lateral modes by apertures, e.g. pin-holes or knife-edges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08054—Passive cavity elements acting on the polarization, e.g. a polarizer for branching or walk-off compensation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/02208—Mountings; Housings characterised by the shape of the housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0233—Mounting configuration of laser chips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0235—Method for mounting laser chips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02469—Passive cooling, e.g. where heat is removed by the housing as a whole or by a heat pipe without any active cooling element like a TEC
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08004—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1123—Q-switching
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Lasers (AREA)
Description
レーザチャンバは、レーザロッドの長軸長よりも短い柱状の孔部を備え、
レーザロッドは、レーザチャンバの孔部に挿通され、レーザロッドの両端部が孔部から露出した状態で支持されており、
レーザロッドの両端部のうちの少なくとも一方の端部の、レーザチャンバからの露出根元にOリングが設けられており、
レーザロッドの側面であってOリングよりも端面側の側面に、筐体内で生じた迷光のOリングへの入射を妨げるカバー部材を備えている。
11 出力ミラー
12 リアミラー
13 レーザロッド
13a ロッド端部
13b ロッド端面
13c ロッド側面
15 アパーチャ部材
15a アパーチャ部材の開口
16 ポラライザ
17 シャッタ
18 Qスイッチ
19 ウェッジプリズムペア
20 フラッシュランプ
21 端子
23 支持台
25〜29 ホルダ
30 レーザチャンバ
31 第1の部分
32 第2の部分
33、34 孔部
36 Oリング
37 Oリング押さえ板
38、39 カバー部材
39a テープ
42、44 配管
45 冷却機器
50 筐体
51 基台
53 側壁部
55 蓋部
56 出射開口
Claims (6)
- 1対のミラーからなる共振器、該共振器中に配置されたレーザロッド、および該レーザロッドの少なくとも一部を収容するレーザチャンバを備え、前記共振器および前記レーザロッドが筐体内に配置されてなる固体レーザ装置において、
前記レーザチャンバは、前記レーザロッドの長軸長よりも短い柱状の孔部を備え、
前記レーザロッドは、前記レーザチャンバの前記孔部に挿通され、該レーザロッドの両端部が前記孔部から露出した状態で支持されており、
前記両端部のうちの少なくとも一方の端部の、前記レーザチャンバからの露出根元にOリングが設けられており、
前記レーザロッドの側面であって前記Oリングよりも端面側の側面に、前記筐体内で生じた迷光の前記Oリングへの入射を妨げるカバー部材を備え、
前記共振器の光路上の、前記1対のミラーのうちの一方と前記レーザロッドとの間に、
前記筐体内で生じる迷光の、前記一方のミラー側から前記レーザロッド側への進行を抑制し、かつ、前記迷光が前記レーザチャンバに当たることを防止する、前記光路に開口を有するアパーチャ部材を備え、
前記アパーチャ部材の前記開口の直径は前記レーザロッドの直径よりも大きい固体レーザ装置。 - 前記カバー部材は、セラミック、ガラス、およびフッ素樹脂の少なくとも1つからなる請求項1記載の固体レーザ装置。
- 前記Oリングはフッ素樹脂からなる請求項1または2記載の固体レーザ装置。
- 前記カバー部材と前記Oリングとの間に更にOリング押さえ板を備え、該Oリング押さえ板はセラミック、ガラス、およびフッ素樹脂のうち少なくとも1つからなる請求項1から3いずれか1項記載の固体レーザ装置。
- 前記レーザロッドはアレキサンドライト結晶からなる請求項1から4いずれか1項記載の固体レーザ装置。
- 前記レーザロッドの直径は3mm以下である請求項1から5いずれか1項記載の固体レーザ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016105870 | 2016-05-27 | ||
JP2016105870 | 2016-05-27 | ||
PCT/JP2017/019804 WO2017204356A1 (ja) | 2016-05-27 | 2017-05-26 | 固体レーザ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017204356A1 JPWO2017204356A1 (ja) | 2019-03-28 |
JP6692419B2 true JP6692419B2 (ja) | 2020-05-13 |
Family
ID=60411442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018519651A Active JP6692419B2 (ja) | 2016-05-27 | 2017-05-26 | 固体レーザ装置 |
Country Status (4)
Country | Link |
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US (1) | US10608405B2 (ja) |
EP (1) | EP3467970B1 (ja) |
JP (1) | JP6692419B2 (ja) |
WO (1) | WO2017204356A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3467971B1 (en) * | 2016-05-27 | 2020-07-08 | FUJIFILM Corporation | Solid-state laser device |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5766682A (en) * | 1980-10-13 | 1982-04-22 | Toshiba Corp | Mounting device for solid state laser rod |
JPS6182488A (ja) * | 1984-09-29 | 1986-04-26 | Hoya Corp | 固体レ−ザ装置 |
US4858243A (en) * | 1987-06-12 | 1989-08-15 | Raycon Corporation | Laser pumping cavity |
JPH0334588A (ja) * | 1989-06-30 | 1991-02-14 | Hoya Corp | 固体レーザ媒体、その固体レーザ媒体の製造方法及び固体レーザ装置 |
JPH05218530A (ja) * | 1992-01-31 | 1993-08-27 | Hoya Corp | レーザ光学部品保持装置及び固体レーザ装置 |
US5805625A (en) | 1994-02-09 | 1998-09-08 | Walter Langner | Laser |
JP2000091670A (ja) | 1998-09-07 | 2000-03-31 | Nec Corp | 固体レーザ発生装置 |
EP1313181B1 (en) * | 2001-11-19 | 2006-04-19 | GSI Group Limited | Crimped rod tube in a laser assembly |
DE10297656T5 (de) * | 2002-02-15 | 2005-02-17 | Mitsubishi Denki K.K. | Festkörper-Laservorrichtung vom Stabtyp |
JP2004241488A (ja) * | 2003-02-04 | 2004-08-26 | Japan Science & Technology Agency | 固体レーザ装置 |
JP2004363296A (ja) * | 2003-06-04 | 2004-12-24 | Matsushita Electric Ind Co Ltd | 固体レーザ装置 |
JP2005216458A (ja) * | 2004-02-02 | 2005-08-11 | Sharp Corp | 光ピックアップ装置 |
US20060238958A1 (en) * | 2005-04-25 | 2006-10-26 | Power Systems Co., Ltd. | Positive electrode for electric double layer capacitors and method for the production thereof |
JP2009117881A (ja) | 2009-03-04 | 2009-05-28 | Ihi Corp | アパーチャ |
JP2011018815A (ja) * | 2009-07-10 | 2011-01-27 | Toshiba Corp | Yagレーザ発振器 |
JP6114516B2 (ja) * | 2012-08-21 | 2017-04-12 | キヤノン株式会社 | 光学装置、露光装置、および物品製造方法 |
JP6254887B2 (ja) | 2014-03-28 | 2017-12-27 | 富士フイルム株式会社 | 固体レーザ装置及び光音響計測装置 |
JP6203111B2 (ja) * | 2014-04-24 | 2017-09-27 | 株式会社東芝 | 画像形成装置 |
JP6246945B2 (ja) * | 2014-09-30 | 2017-12-13 | 富士フイルム株式会社 | 固体レーザ装置 |
-
2017
- 2017-05-26 JP JP2018519651A patent/JP6692419B2/ja active Active
- 2017-05-26 WO PCT/JP2017/019804 patent/WO2017204356A1/ja unknown
- 2017-05-26 EP EP17802942.7A patent/EP3467970B1/en active Active
-
2018
- 2018-11-26 US US16/200,130 patent/US10608405B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20190097386A1 (en) | 2019-03-28 |
JPWO2017204356A1 (ja) | 2019-03-28 |
EP3467970A4 (en) | 2019-05-22 |
US10608405B2 (en) | 2020-03-31 |
WO2017204356A1 (ja) | 2017-11-30 |
EP3467970A1 (en) | 2019-04-10 |
EP3467970B1 (en) | 2020-07-08 |
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