CN106504974B - Xenon flash lamp - Google Patents
Xenon flash lamp Download PDFInfo
- Publication number
- CN106504974B CN106504974B CN201610791602.2A CN201610791602A CN106504974B CN 106504974 B CN106504974 B CN 106504974B CN 201610791602 A CN201610791602 A CN 201610791602A CN 106504974 B CN106504974 B CN 106504974B
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- China
- Prior art keywords
- lamp
- tube body
- xenon flash
- diameter tube
- cathode
- 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.)
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- 229910052724 xenon Inorganic materials 0.000 title claims abstract description 47
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 claims abstract description 18
- 238000005286 illumination Methods 0.000 claims abstract description 14
- 230000009977 dual effect Effects 0.000 claims abstract description 10
- 238000007731 hot pressing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 2
- 208000003351 Melanosis Diseases 0.000 abstract description 11
- 206010001557 Albinism Diseases 0.000 abstract description 9
- 238000010304 firing Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 6
- 230000003760 hair shine Effects 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 1
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
The present invention provides a kind of xenon flash lamp.The object of the present invention is to provide the xenon flash lamps for the luminous efficiency for improving UV wave region.In addition, it is a further object of the present invention to provide the xenon flash lamps constructed as follows: in the xenon flash lamp of luminous efficiency for improving UV wave region, lamp startability is good and lights initial stage in lamp, and albinism or melanism does not occur on lamp tube wall.In the xenon flash lamp for the dual pipe construction being made of the electrode arrangement portion of the illumination region of major diameter portion tube body and the minor diameter tube body at the both ends of the major diameter tube body, at least the terminal part of cathode flushes on lamp axes direction with the end of above-mentioned minor diameter tube body.
Description
Technical field
The present invention relates to xenon flash lamps.
Background technique
Xenon lamp is one of high-intensity discharge lamp, is to utilize the luminous lamp generated by the electric discharge in xenon.
Wherein, xenon flash lamp is used as the light source based on light pulse.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2005-19131 " flash discharge lamp, flash discharge lamp igniting device and light irradiation
Device " (publication date: 2005/01/20) applicant: Harison Toshiba Lighting Corp.
Patent document 2: Japanese Unexamined Patent Publication 2005-56638 " flash lamp " (publication date: 2005/03/03) applicant: the rugged electricity of rock
Gas Co., Ltd.
Summary of the invention
Problems to be solved by the invention
Fig. 1 is the figure for showing the typical distribution that shines of xenon lamp.Xenon lamp with from ultraviolet range (UV wave region) to
The continuous spectrum of infrared spectral range (IR wave region) is characterized, and is distributed in approximately shining very much with sunlight.
The inventors of the present invention will improve specific wavelength region in such xenon flash lamp, be herein the hair in UV wave region
Light efficiency is as research topic.
Therefore, the purpose of the present invention is to provide the xenon flash lamps for the luminous efficiency for improving UV wave region.
In addition, it is an object of the present invention to provide the xenon flash lamps constructed as follows: in the luminous efficiency for improving UV wave region
Xenon flash lamp in, lamp startability is good and lights initial stage in lamp, and albinism does not occur on lamp tube wall or melanism is existing
As.
The means used to solve the problem
Xenon flash lamp of the invention is on the one hand, two of illumination region and the major diameter tube body by major diameter tube body
In the xenon flash lamp for the dual pipe construction that the electrode arrangement portion of the minor diameter tube body at end is constituted, at least the terminal part of cathode with it is upper
The end for stating minor diameter tube body flushes on lamp axes direction.
Above-mentioned xenon flash lamp can also be configured in the periphery of the above-mentioned minor diameter tube body for the terminal part for surrounding above-mentioned cathode
There is triggering band.
In above-mentioned xenon flash lamp, the end of the terminal part of anode and above-mentioned minor diameter tube body can also be in lamp axes side
It flushes upwards.
In above-mentioned xenon flash lamp, above-mentioned electrode arrangement portion can also be heated and welding for electrode and minor diameter tube body
Hot pressing construction.
Invention effect
In accordance with the invention it is possible to provide the xenon flash lamp for improving the luminous efficiency in UV wave region.
Moreover, in accordance with the invention it is possible to provide the xenon flash lamp constructed as follows: in the luminous effect for improving UV wave region
In the xenon flash lamp that rate improves, lamp startability is good and lights initial stage in lamp, and albinism or black does not occur on lamp tube wall
Change phenomenon.
Detailed description of the invention
Fig. 1 is the figure for showing the typical distribution that shines of xenon lamp.
Fig. 2 is the figure for illustrating currently used xenon flash lamp.
Fig. 3 is the figure for showing the characteristic of the light quantity (wavelength 254nm) and electric current opposite with the bore that shines shown in table 1.
Fig. 4 is the figure for illustrating the xenon flash lamp of dual pipe construction of present embodiment.
Fig. 5 A is the minor diameter tube body end for the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe, in place
Set the figure of the lamp in the intracorporal construction of minor diameter pipe.
Fig. 5 B is the minor diameter tube body end for the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe, in place
Set the figure of the lamp of the construction flushed.
Fig. 5 C is the minor diameter tube body end for the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe, in place
Set the figure of the lamp in the intracorporal construction of major diameter portion pipe.
Label declaration
2: electrode arrangement portion, 3: illumination region, 4: electrode arrangement portion, 5: cathode, 5a: cathode body portion, 5b: cathode chip
Portion, 6: anode, 8-1: firing line, 8-2: the firing line of major diameter portion tube body, 8-3: the triggering band of minor diameter tube body, 10: xenon
Flash lamp, lamp, 12: albinism, 14: melanism, 20: electrode arrangement portion, 30: illumination region, 40: electrode arrangement portion, 50: yin
Pole, 60: anode, 80-1: firing line, 80-2,80-3: circular firing line, 100: existing lamp
ID: shine bore, illumination region internal diameter, internal diameter, L: length of illumination
Specific embodiment
Hereinafter, the embodiment about xenon flash lamp of the invention, is described with reference to the accompanying drawings.In the figure to identical
Element mark identical reference marks, repeat description is omitted.In addition, these embodiments are of the invention for understanding
It illustrates, does not limit the range of technology of the invention at all.
Fig. 2 is the figure for illustrating existing xenon flash lamp 100.Existing lamp 100 is the bore of the illumination region 30 in center
The lamp of cylinder-shaped i.e. straight pipe type identical with the bore of electrode arrangement portion 20,40 at both ends.On an electrode arrangement portion 20
It is formed with cathode 50, is formed with anode 60 on another electrode arrangement portion 40.For the starting of auxiliary lamp, in the periphery of tube body
Portion is wound with several circular firing line 80-2, and each annular shape firing line is connected with each other by firing line 80-1.
The electrode arrangement portion 20 for being built in cathode 50 and the electrode arrangement portion 40 for being built in anode 60 can be respectively quilt
The adhesive construct of heating and sealing.Such adhesive construct is known as hot pressing construction.
Ignition condition is to be charged using applied voltage 3.3kV to capacitor, is filled to this is applied between the cathode anode of lamp
Piezoelectric voltage.
The dimensions of the existing lamp 100 is as so following.
Interelectrode distance (shine length): L=550~850mm
The internal diameter of luminous tube: ID=8mm, thickness of pipe wall (thickness): 1mm
Electrode diameter: 6.4mm or 7.5mm
The inventors of the present invention using the exploitation of the xenon flash lamp of acquisition " strong shines " as target, changed the rule of lamp originally respectively
Lattice and researched and developed.In the process, trial-production has studied lamp as follows, i.e., with existing lamp phase shown in Fig. 2
Than increasing the internal diameter of lamp, reducing the resistance value between electrode when lighting, flow more electric currents.
Measurement increased lamp internal diameter lamp luminescent spectrum as a result, confirmed compared with existing lamp, in UV wave area
Domain obtains stronger luminous situation.Obtain stronger luminous xenon flash lamp in UV wave region is for sterilization processing
Optimal lamp.
For existing lamp 100 shown in Fig. 2, the lamp for increasing the bore ID that shines, lamp when lighting to measure have been manufactured experimently
UV wave region light quantity and electric current.Table 1 is the luminous bore ID and ultraviolet light light quantity for increasing the lamp after shining bore ID
Between relationship experimental data.As ultraviolet light light quantity, the UV wave region for example as sterilizing use with effect is determined
Wavelength 254nm light quantity.The variation of the electric current opposite with illumination region internal diameter ID is also shown together.Fig. 3 is illustrated and table 1
Shine bore opposite light quantity and peak point current.
[table 1]
The relationship of the light quantity (wavelength 254nm) and electric current opposite with luminous bore
As shown in figure 3, as inventor etc. is desired, as luminous bore ID increases to 6~20mm, peak value electricity
Stream (is indicated in figure with.) increase generally proportionately.At this point, the light quantity in UV wave region (is indicated in figure with ■.)
Also it is significantly increased.It is therefore to be understood that in order to increase light quantity (wavelength 254nm), as long as further increasing the luminous tube of existing lamp
Internal diameter 8mm both may be used.
The electrode diameter of existing lamp 100 shown in Fig. 2 be 7.5mm and 6.4mm both.Here, increasing luminous tube
In the case where internal diameter, existing lamp 100 as shown in Figure 2 is such, it is also contemplated that discharge part is made to become identical with electrode arrangement portion
Bore the case where.But in the case where becoming identical bore, generate following such problems.
(1) when the bore of the electrode arrangement portion of luminous tube becomes larger, the triggering band/firing line and electrode cores of assistant starting
Interval between piece becomes larger, and does not obtain adequately triggering effect, and lamp startability deteriorates.
(2) when the bore of the electrode arrangement portion of luminous tube becomes larger, the gap between electrode and pipe inner peripheral surface becomes larger,
In the case where hot pressing construction, bonding operation spends the time.Moreover, the precision for sealing itself is also deteriorated, the qualification rate of product
Also it is deteriorated, reliability also reduces.
(3) the case where also contemplating the bore with the electrode arrangement portion for increasing luminous tube accordingly, using being suitble to the pipe
The electrode of the new major diameter of internal diameter.But the electrode of major diameter will lead to cost increase, in addition, producing workshop in batches in lamp
In, it is undesirable to the increase of variety of components.
Therefore, the inventors of the present invention develop the electrode arrangement portion structure of illumination region and minor diameter tube body by major diameter portion tube body
At dual pipe construction lamp.That is, using construction identical with existing lamp 100 about electrode arrangement portion.
Fig. 4 is the figure for illustrating the xenon flash lamp 10 of present embodiment.Lamp 10, which is that engagement bore is relatively large, to shine
Portion 3 with the both ends of illumination region around electrode portion the relatively small electrode arrangement portion 2,4 of bore and formed.Match in electrode
A upper configuration cathode 5 in portion is set, anode 6 is configured on another.Electrode arrangement portion, can also be with either hot pressing constructs
It is non-hot pressing construction.For the starting of auxiliary lamp, the several circular firing line 8-3 of winding in the periphery of electrode arrangement portion 2,4,
The periphery of illumination region 3 winds circular firing line 8-2, these circular firing lines are connected with each other by firing line 8-1.
The ignition condition of lamp 10 is identical as existing lamp 100.
The dimensions of the lamp 10 of present embodiment is as follows.
Interelectrode distance (length of illumination): L=550mm
The major diameter portion IDa=16mm of luminous tube, minor diameter IDb=10mm, thickness of pipe wall (thickness): 1mm
Electrode diameter: 6.4mm or 7.5mm
Enclosed gas: xenon 58.2Pa (is equivalent to 437torr)
It is tested after the xenon flash lamp 10 for manufacturing experimently multiple dual pipes shown in Fig. 4 constructions, it is known that several
Poor starting occurs in a lamp.Melanism or albinism occurs moreover, being also aware of in the luminous inside pipe wall of several lamps.
The inventors of the present invention are after analyzing this reason, according to electrode end portion relative to minor diameter tube body end (that is, small
The boundary portion of diameter tube body and major diameter portion tube body) position, it is known that there is a situation where melanism or albinism.And
And the melanism or albinism of the inside pipe wall that shines mostly occur near cathode compared near anode.
Therefore, the inventors of the present invention's production changes the terminal part of cathode relative to minor diameter tube body and major diameter portion tube body
The lamp of the position of boundary portion, to investigate occur the to shine melanism of inside pipe wall or the situation of albinism.
Fig. 5 A is that the minor diameter tube body end for the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe is in
The figure of the lamp of the intracorporal construction of minor diameter pipe.Fig. 5 B is the construction for illustrating cathode end portion and flushing relative to minor diameter tube body end
Lamp figure.Fig. 5 C is to illustrate that cathode end portion is in the lamp of the intracorporal construction of major diameter portion pipe relative to minor diameter tube body end
Figure.
Table 2 indicates the result of the startability of the lamp of Fig. 5 A~Fig. 5 B and the appearance of luminous inside pipe wall.
[table 2]
The result of the startability of lamp and the appearance of luminous inside pipe wall
Here, it is evaluated about startability, makes two lamps respectively and tested.Experimental condition is the electricity to apply to lamp
Capacity charge voltage 2.5kV is evaluated to be tested by starting light repeatedly 1000 times.
About the ocular estimate of luminous inside pipe wall, two lamps are made respectively and are tested.Experimental condition is to apply to lamp
The capacitor charging voltage 3.6kV added is tested (used 600 μ F of capacitor), is lighted with 30 seconds 1 time ratio, into
It is evaluated after row 10000 times.
Shown in Fig. 5 A, using the lamp axes right direction observed in figure as just and by minor diameter tube body end on the basis of,
Cathode end position is in the lamp of Sa=-5mm, and there are inactive lamps.Moreover, being sent out in the presence of the luminous inside pipe wall near cathode
The lamp of raw albinism 12.In the case where cathode 5 is in minor diameter tube body, because the electric arc and quartz that generate from electrode are made
Tube body contact, it is known that tube body due to electric arc heat and albefaction occurs.
In the lamp for the Sb=0mm that minor diameter tube body end is flushed with cathode end position shown in Fig. 5 B, there is no open
It moves bad.Moreover, the luminous inside pipe wall near cathode does not change, it is beautiful state.
On the basis of shown in Fig. 5 C by minor diameter tube body end, making cathode end position is deposited in the lamp of Sc=+5mm
In inactive lamp.Moreover, the lamp of melanism 14 occurs in the presence of the luminous inside pipe wall near cathode.Cathode 5 is by by tungsten
The cathode chip portion 5b of the cathode body portion 5a of composition and the transmitter containing the electronics releasing engaged with main part end
To be formed.Cathode chip portion 5b is made of the compound of tungsten and barium monoxide.It is intracorporal to be located at major diameter portion pipe in cathode end portion
In the case where construction, electric arc is not generated from cathode chip portion 5b, is generated from cathode body portion 5a, and the tungsten of main part is a large amount of
The reason of dispersing and becoming melanism 14.
It is aware of following situation: the lamp structure that minor diameter tube body end is flushed with cathode end position according to the above results
It is best for making in terms of startability and the appearance of luminous inside pipe wall.
About anode, although having rated the startability and hair for the lamp that minor diameter tube body end is flushed with cathode end position
The appearance of light pipe inner wall, but there is no problem for startability and the appearance of luminous inside pipe wall.
(the advantages of present embodiment/effect)
(1) because making electrode arrangement portion minor diameter tube body, the interval of electrode end and triggering between can be with
Proximity state maintains, and obtains adequately triggering effect, it can be ensured that good startability.
(2) in particular, about cathode, triggering band can be configured near cathode chip portion 5b, always from cathode chip portion 5b
Generate electric arc.That is, can prevent to generate electric arc from cathode body portion 5a.Therefore, electric arc is not generated from cathode body portion 5a, led
Cause that tungsten disperses and that there is a situation where melanisms is such.
(3) by constructing electrode arrangement portion as hot pressing, it can inhibit the rising of electrode temperature.Therefore, can inhibit due to
Melanism caused by the dispersing of electrode material.
[summary]
More than, the xenon flash lamp about present embodiment of the present invention is illustrated, but the present invention is not limited only to this.This
Field technical staff, which can easily be done present embodiment, add/to be eliminated/changes.Improvement also belongs to the scope of the present invention
It is interior.Technical scope of the invention is determined according to the record of claim.
Claims (3)
1. a kind of xenon flash lamp is the minor diameter at the both ends with the illumination region and major diameter tube body by major diameter tube body
The dual pipe that the electrode arrangement portion of tube body is constituted is constructed and is utilized to be dodged by the luminous xenon that the electric discharge in xenon generates
Light lamp, wherein
The interelectrode distance L of the xenon flash lamp is in the range of 550mm~850mm,
The internal diameter ID of the illumination region of the major diameter tube body is in the range of 8mm < ID≤20mm,
At least the terminal part of cathode flushes on lamp axes direction with the end of the minor diameter tube body,
Triggering band is configured in the periphery of the minor diameter tube body for the terminal part for surrounding the cathode.
2. xenon flash lamp according to claim 1, wherein
The terminal part of anode flushes on lamp axes direction with the end of the minor diameter tube body.
3. xenon flash lamp according to claim 1 or 2, wherein
The electrode arrangement portion is that electrode and minor diameter tube body are heated and the hot pressing of welding construction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-174371 | 2015-09-04 | ||
| JP2015174371A JP6628208B2 (en) | 2015-09-04 | 2015-09-04 | Xenon flash lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106504974A CN106504974A (en) | 2017-03-15 |
| CN106504974B true CN106504974B (en) | 2019-03-22 |
Family
ID=58279568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791602.2A Active CN106504974B (en) | 2015-09-04 | 2016-08-31 | Xenon flash lamp |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6628208B2 (en) |
| CN (1) | CN106504974B (en) |
| TW (1) | TWI597450B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553466A (en) * | 2003-12-19 | 2004-12-08 | �й���ѧԺ�Ϻ���ѧ���ܻ�е�о��� | High-power composite function quartz glass tube pulse xenon lamp |
| CN101364520A (en) * | 2008-09-17 | 2009-02-11 | 徐川 | Recording flash lamp tube for vehicle mounted road detection apparatus |
| JP4258313B2 (en) * | 2003-08-01 | 2009-04-30 | 岩崎電気株式会社 | Flash lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4177720B2 (en) * | 2003-06-25 | 2008-11-05 | ハリソン東芝ライティング株式会社 | Flash discharge lamp, flash discharge lamp lighting device and light irradiation device |
| JP5112025B2 (en) * | 2007-11-28 | 2013-01-09 | 株式会社小糸製作所 | Discharge lamp for vehicle |
-
2015
- 2015-09-04 JP JP2015174371A patent/JP6628208B2/en active Active
-
2016
- 2016-08-10 TW TW105125403A patent/TWI597450B/en active
- 2016-08-31 CN CN201610791602.2A patent/CN106504974B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4258313B2 (en) * | 2003-08-01 | 2009-04-30 | 岩崎電気株式会社 | Flash lamp |
| CN1553466A (en) * | 2003-12-19 | 2004-12-08 | �й���ѧԺ�Ϻ���ѧ���ܻ�е�о��� | High-power composite function quartz glass tube pulse xenon lamp |
| CN101364520A (en) * | 2008-09-17 | 2009-02-11 | 徐川 | Recording flash lamp tube for vehicle mounted road detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6628208B2 (en) | 2020-01-08 |
| TWI597450B (en) | 2017-09-01 |
| JP2017050226A (en) | 2017-03-09 |
| CN106504974A (en) | 2017-03-15 |
| TW201710616A (en) | 2017-03-16 |
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