CN102760506A - Phosphor sheet - Google Patents
Phosphor sheet Download PDFInfo
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- CN102760506A CN102760506A CN2012101304518A CN201210130451A CN102760506A CN 102760506 A CN102760506 A CN 102760506A CN 2012101304518 A CN2012101304518 A CN 2012101304518A CN 201210130451 A CN201210130451 A CN 201210130451A CN 102760506 A CN102760506 A CN 102760506A
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- luminescent material
- projection
- material plate
- extra play
- shape
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/62—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing gallium, indium or thallium
- C09K11/626—Halogenides
- C09K11/628—Halogenides with alkali or alkaline earth metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2012—Measuring radiation intensity with scintillation detectors using stimulable phosphors, e.g. stimulable phosphor sheets
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
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- Chemical & Material Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Measurement Of Radiation (AREA)
- Conversion Of X-Rays Into Visible Images (AREA)
Abstract
The phosphor sheet comprises a substrate (1) and an overlying additional layer (2), on which a phosphor layer is applied. The additional layer is gridded such that it forms nubs separated by grooves (3, 4, 5, 6, 7), where phosphor needles of the phosphor layer forming the phosphor is formed on the surface of the grooves. First nubs (8) have a first structure and second nubs (9) have a second structure, which is geometrically different from the first structure, and the second structure is disposed on the first structure. The phosphor sheet has good imaging quality even though the thickness of the phosphor layer is large.
Description
Technical field
The present invention relates to a kind of luminescent material plate; It has substrate and position extra play on it; On said extra play, be coated with luminous material layer; Wherein said extra play gridding as follows (rastem), the projection that leaves through the channel shaped composition thus, the luminescent material spicule that forms the luminescent material of luminous material layer is created on the surface of projection (Noppe).
Background technology
In this luminescent material plate, luminescent material can be accumulating type luminescent material (Speicherleuchtstoff) or scintillator (Szintillator).
Common scintillator comprises CsI:Tl, CsI:Na, NaI:Tl or similar material, and it contains alkali-halogenide, and wherein CsI is particularly suitable for as scintillator material, and this is because it can grow up to the spicule shape.Even when guaranteeing the bed thickness greatly of X ray optimal absorption, also obtained the good position resolution that X ray appears thus.Good position resolution is produced by so-called " photoconduction effect ", and this photoconduction effect realizes through the airspace between the scintillator spicule.
The scintillator that converts X ray and gamma-rays to light for example in medical imaging, uses when detecting goods with package body and in not having the destruction material tests.These luminescent substances should have high absorption at the X ray of " harder ", and the 3D that the X ray of said " harder " is increased in radiology by so-called C arc uses and causes.
As shown in Figure 1, with the radiation quality of common CsI:Tl-scintillator relatively, when " radiation hardness " increased, 44% during absorbance log (Absorption) 87% to RQA9 during from RQA3 almost reduced by half.
RQA representes the radiation quality based on the filtering agent that has added aluminium (from standard IEC 61267).
As a comparison, in Fig. 1, except the absorption curve that shows scintillator CsI:Tl, also shown the absorption curve of other four kinds of scintillators, wherein this measurement is carried out under the mixed radiation bundle condition of 20mm diameter respectively.
At absorption curve A1 to A5 shown in Fig. 1 and given RQA-value representation:
The absorption curve of the not structurized luminescent material UFC of A1,
The absorption curve of the structurized luminescent material UFC of A2,
The absorption curve of A3 luminescent material CsI:Tl (400 μ m),
The absorption curve of A4 luminescent material GOS and
The A5 bed thickness is less than the absorption curve of the luminescent material GOS of A4,
Wherein UFC representes that supper-fast pottery (Ultra Fast Ceramic) and GOS represent the oxygen gadolinium sulfide.
RQA3 50kV/10mmAl，
RQA5 70kV/21mmAl，
RQA7 90kV/30mmAl with
RQA9 120kV/40mmAl。
Scintillator material UFC must be structurized, thereby the light that reduces the side is propagated.This has reduced the absorbance log under the various radiation qualities.Although there is structuring, resolution is generally 1 line under the UFC situation right/mm (Linienpaar pro mm).Correspondingly, the resolution of CsI:Tl when 400 μ m is typically 4 lines right/mm, and be preferred therefore.
For the absorbance log that compensation under the situation that increases radiation hardness obviously reduces, under the situation of common CsI:Tl-scintillator, must significantly improve the thickness of luminous material layer.For the absorbance log of realization 90% under the situation of RQA9, bed thickness is necessary for about 1.8mm.
The problem of this moment is; Although in base reservoir temperature is not along with the increase of bed thickness under the too high situation; The diameter of scintillator-spicule (luminescent material spicule) can keep less than 10 μ m, but in luminous material layer, has formed required crackle indefinitely around each scintillator-spicule.Between scintillator-spicule, produced limited interval through these crackles, this spacing that has at interval of ideal situation is the half the of scintillator emission wavelength.Under the situation of cesium iodide (CsI), this spacing is about 250nm to 300nm.
On the contrary, because expansion coefficient is low when the substrate of cooling vapor deposition, in luminous material layer, produced check crack.This has caused the irregular crackle structure of the stack of crackle width more than 1 μ m, and it has wrapped up whole spicule core bags (Nadelpakete), as shown in Figure 2, has shown that wherein known CsI-layer amplifies 50 times photo under the grating electron microscope.The crack spacing of this moment is on the size progression of 0.5mm to 1.5mm, and this crackle has the width that is up to about 10 μ m.
In crystal boundary, interval and cracks, known (auskoppeln) the more light that is coupled from the luminous material layer ratio from luminescent material spicule output itself.Therefore, the halation of focused beam (Lichthof) as shown in Figure 3, demonstrates clearly halation (Halo, the i.e. excessively variation (Verlauf) of irradiation uniformly in the non-direct irradiation environment with " blast " spicule border.This problem is also significantly aggravation when increasing bed thickness, because need more energy to separate the luminescent material spicule.
Luminous material layer is for example known by DE10242006A1 by the luminescent material plate that the accumulating type luminescent material constitutes.Be used for different thermal expansivity between balance substrate and the luminous material layer at the extra play that applies on the substrate, and therefore constitute, and have rule, preferred n-corner structure by polymkeric substance (for example polyimide or parylene (Parylen)).
In luminescent material plate according to DE10242006A1, owing to have the polygonal structure of rule, produced " line ", form crackle and continuation along this line, and do not separated into single structural detail (linear flaws expansion).Because the increase of the bed thickness of accumulating type luminescent material has aggravated the formation of stack crackle structure.This not only relates to accumulating type luminous material layer such as cesium bromide (CsBr), and relates to the situation of scintillator layers such as cesium iodide (CsI).
In Fig. 4 and Fig. 5, be clearly visible in the luminous material layer of 500 μ m at the thickness that the stack crackle structure (square among Fig. 4 and the sexangle among Fig. 5) at for example two different polygonal structures places is being made up of cesium iodide.The structuring of extra play causes the canalization (Kanalisierung) of crackle, although avoided the wide crackle do not expected thus, crackle is gone up clearly visible in preferred orientation (Vorzugsrichtung).
In addition, in DE68906478T2, put down in writing a kind of luminescent material plate (scintillator panel) with scintillator as luminescent material.This scintillator is coated on the aluminium substrate.This aluminium substrate has the surface structure of honeycomb shape, and it is implemented through Eloxal-method (electrolytic oxidation of aluminium).
Be independent of the type of luminescent material, promptly under the situation of accumulating type luminescent material plate and under the situation at scintillator panel, for the above reasons, the formation of the crackle structure of should avoiding as far as possible superposeing.
Summary of the invention
The objective of the invention is to; A kind of luminescent material plate is provided, and it also has good image quality
under the big situation of luminescent material layer thickness
This purpose is able to solve through the luminescent material plate according to claim 1 according to the present invention.Be respectively the theme of other claims according to the advantageous embodiment of luminescent material plate of the present invention.
The luminescent material plate of claim 1 comprises substrate and position extra play on it; On this extra play, be coated with luminous material layer; The gridding as follows of wherein said extra play: through the projection that the channel shaped composition leaves, the luminescent material spicule that forms the luminescent material of luminous material layer is created on the surface of projection, and wherein first projection forms first structure; Second projection forms second structure that is different from first structure on how much, and said second structure is arranged between first structure.
The present invention program is characterised in that first projection forms first structure, and second projection forms second structure, and wherein said first structure goes up different modes with second structure with how much and forms, and said second structure is arranged between first structure.Thus, first projection and second projection have the distance shorter each other with second projection each other than first projection respectively.
This extra play make structuring of the present invention simply mode through the common structural method of polymkeric substance, oxide and metal is realized.
Term " form how much go up various structure " is appreciated that to formed structure to have for example different size and/or different shapes.This can be first inside configuration and/or in the situation of second inside configuration, and can be the situation (claim 8 and/or claim 9) that first structure and second structure compare.
Because first projection and the direct neighbor setting each other of second projection, so the groove that is formed by first projection is by second projection " interference ".
Can prevent the stack crackle structure do not expected in the extra play reliably through scheme of the present invention, and therefore prevent to be broken to picture character reliably, the substitute is and guarantee that favourable crackle forms around the luminescent material spicule.Therefore luminescent material plate of the present invention also has good image quality when the big situation of the bed thickness of luminous material layer.
Advantageously, first structure that is formed by first projection constitutes cell structure, and/or constitutes cell structure (claim 2 and 3) by second structure that second projection forms.
Within the scope of the invention, on projection, can form the luminescent material spicule (claim 4) of one or more separation.
According to an advantageous embodiment of luminescent material plate, the thickness of extra play is about 10 μ m to 50 μ m (claim 5).
The grid size of said structure is preferably in the scope of 10 μ m to 100 μ m, preferably between 20 μ m to 50 μ m (claim 6).
According to an advantageous embodiment of luminescent material plate of the present invention, the width of groove wherein is separated from each other through each projection of this groove in the scope (claim 7) of 10 μ m to 50 μ m.
In having the extra play of shortcoming mentioned above, can avoid the formation of the stack crackle structure that (erreichen) do not expect in the following manner:
-the first structure part at least has regular shape, and second structure part at least has regular shape (claim 10), and/or
-the first structure part at least has irregular shape, and second structure part at least has irregular shape (claim 11), and/or
-the first structure part at least has regular shape, and second structure part at least has irregular shape (claim 12), and/or
-the first structure part at least has irregular shape, and second structure part at least has regular shape (claim 13).
The structure and/or the projection itself that are formed by projection can have for example (n-eckig) structure or the shape at n-angle.This all sets up (claim 14 to 17) to first projection and first structure and second projection and second structure.
Scheme of the present invention can advantageously realize at accumulating type luminescent material plate (claim 18), can realize at scintillator panel (claim 19) equally.
Extra play can for example apply through PVD-method (physical vapour deposition (PVD)) or through CVD-method (chemical vapor deposition).In addition, sol-gal process and spin-coating method (Spin-On-Verfahren) (centrifugal coating (Lack)) are suitable for preparing the middle layer.
The structuring of extra play can for example generate through the photoetching process with follow-up decomposition
.According to the composition of extra play, by the structural method that is structured as other of laser or corrosion.
Description of drawings
Explain exemplary embodiment of the present invention below in greater detail with reference to the attached drawings, but the present invention is not had restriction.In the accompanying drawings:
Fig. 1 has shown that under the situation of different scintillators X ray depends on the absorbance log of radiation quality,
Fig. 2 has shown that known CsI:Tl-layer amplifies 50 times photo under the grating electron microscope, is used to show crack spacing,
Fig. 3 has shown the microphoto of CsI:Tl-layer halation,
Fig. 4 has shown that the known CsI:Tl-layer with tetragonal structureization amplifies 50 times photo under the grating electron microscope,
Fig. 5 has shown that the known CsI:Tl-layer with hexgonal structureization amplifies 50 times photo under the grating electron microscope,
Fig. 6 has shown according to the present invention the part vertical view of structurized first embodiment,
Fig. 7 has shown according to the present invention the part vertical view of structurized second embodiment.
Embodiment
In the situation of CsI:Tl-scintillator, because the reason of the absorbance log of having explained (Fig. 1), bed thickness must increase significantly.This increase has caused the irregular splitting structure (Fig. 2) and the tangible halation (Fig. 3) of stack.Although the extra play of the n-corner structureization of advising among the DE10242006A1 has suppressed the wide crackle do not expected when n=4 and n=6, crackle still clearly visible (Figure 4 and 5) on preferred orientation.
Fig. 6 has shown the vertical view of first embodiment of the substrate 1 of luminescent material plate of the present invention.This luminescent material plate comprises substrate 1, in this substrate 1, is coated with extra play 2.This extra play 2 gridding as follows forms the projection 8 of separating through groove 3 to 7, in its surface the luminescent material spicule of the luminescent material of vapor deposition formation luminous material layer in another processing step.This extra play 2 makes and can realize structuring provided by the invention with simple mode by common structural method.
In described embodiment, projection 8 respectively has the octagon basal plane.
According to the present invention, the projection 8 of separating through groove 3 to 7 has formed first projection, and defines first structure.Second projection 9 for example respectively has tetragonal basal plane in the illustrated embodiment, has formed second structure.
According to the present invention, go up different modes by first projection 8 first structure that forms and second structure that forms by projection 9 with how much and form.In addition, second structure is arranged between first structure.Thus first projection 8 and second projection 9 have respectively be shorter than first projection 8 each other with second projection 9 spacing each other.For this reason, said second projection 9 is arranged in the groove 3 to 7.Thus, the groove 3 to 7 that is formed by projection 8 is by second projection 9 " interference ".
Fig. 7 has shown the vertical view of second embodiment of the substrate 1 of luminescent material plate of the present invention.The structure basically identical of substrate 1 shown in the structure of this substrate 1 and Fig. 6.Only be that second projection 9 is with respect to the angle that for the substrate 1 of Fig. 6, has rotated 45 °.Thus, the angle of projection 9 is near projection 8.
Is that example has been described the present invention at Fig. 6 and 7 with projection 8 with octagon basal plane and the projection 9 with tetragonal basal plane (two polygons that rule is provided with).In scope of the present invention,, can also realize other structure through second projection 9 of first projection 8 of otherwise moulding and/or otherwise moulding to said first structure and said second structure.At this, said first projection 8 can have arbitrary structures with said second projection 9, and can rule or irregular setting.In addition, first projection 8 and/or second projection 9 can also be set to a structure, and it changes on the whole surface of extra play 2.
The present invention program through these two embodiment explanations has prevented the stack crackle structure of not expecting in the extra play 2 reliably, and has therefore prevented to be broken to picture character reliably, the substitute is and guarantees that favourable crackle forms and the luminescent material spicule.Therefore, even luminescent material plate of the present invention also has good image quality when the bed thickness of luminous material layer is big.
Thereby in the situation of extra play 2, noticed " line degree of freedom (Linienfreiheit) " through measure of the present invention.This shows that for example " interference element " (being formed by second projection 9) between the polygonal structure (being formed by first projection 8) that rule is provided with hindered " approach " of linear flaws expansion, and forces crackle to change direction thus.Therefore prevented in extra play 2, to form stack crackle structure reliably.
Be coated in the extra play 2 in the substrate 1 multi-form polygon or irregular structure can be set arbitrarily.In scope of the present invention, term " polygon " comprises the n-angle with length of side a of random molding, wherein n >=3.When n → ∞ (being a → 0), can obtain subcircular.Under the situation that is formed first structure by first projection 8 and formed under the situation of second structure by second projection 9, the present invention also comprises other geometric configuratioies, like ellipse or star structure.
Can structurized in this way luminescent material not only be confined to scintillator (for example, CsI:Tl, CsF, CsI:Na NaI:Tl), also expands to accumulating type luminescent material (for example CsBr:Eu).
Through in substrate 1, selecting suitable structuring extra play 2, when can cooling off behind vapor deposition under the suitable parameters (pressure, base reservoir temperature), scintillator layers or accumulating type luminous material layer not only when the coarse textureization of first projection 8 and/or second projection 9 is provided with but also when the fine textureization of first projection 8 and/or second projection 9 is provided with, realize in a desired manner.
Claims (19)
1. luminescent material plate; It has substrate (1) and position extra play (2) on it; On said extra play (2), be coated with luminous material layer, wherein said extra play (2) gridding as follows generates the projection (8) of separating through groove (3-7); The luminescent material spicule that forms the luminescent material of luminous material layer is created on the surface of projection (8); Wherein first projection (8) forms first structure, and second projection (9) forms second structure that is different from first structure on how much, and said second structure is arranged between first structure.
2. according to the luminescent material plate of claim 1, it is characterized in that said first structure that is formed by first projection (8) constitutes cell structure.
3. according to the luminescent material plate of claim 1 or 2, it is characterized in that said second structure that is formed by second projection (9) constitutes cell structure.
4. according to the luminescent material plate of claim 1, it is characterized in that, in projection (8,9) but go up to form the luminescent material spicule of the separation of predetermined quantity.
5. according to the luminescent material plate of claim 1, it is characterized in that thick about 10 μ m to the 50 μ m of said extra play (2).
6. according to the luminescent material plate of claim 1 or 2, it is characterized in that the grid size of said structure is in the scope of 10 μ m to 100 μ m, preferably between 20 μ m to 50 μ m.
7. according to the luminescent material plate of claim 1, it is characterized in that the width of said groove (3-7) is in the scope of 10 μ m to 50 μ m.
8. according to the luminescent material plate of claim 1, it is characterized in that said first structure and second structure are of different sizes.
9. according to the luminescent material plate of claim 1, it is characterized in that said first structure has different shapes with second structure.
10. according to the luminescent material plate of claim 1, it is characterized in that said first structure part at least has regular shape, and said second structure at least partly has the shape of rule.
11. the luminescent material plate according to claim 1 is characterized in that, said first structure part at least has irregular shape, and said second structure at least partly has irregular shape.
12. the luminescent material plate according to claim 1 is characterized in that, said first structure part at least has regular shape, and said second structure at least partly has irregular shape.
13. the luminescent material plate according to claim 1 is characterized in that, said first structure part at least has irregular shape, and said second structure at least partly has the shape of rule.
14. the luminescent material plate according to claim 1 is characterized in that, said first structure that is formed by first projection (8) has the structure at n-angle.
15. the luminescent material plate according to claim 1 is characterized in that, said second structure that is formed by second projection (9) has the structure at n-angle.
16. the luminescent material plate according to claim 1 is characterized in that, said first projection (8) has the n-angular shape.
17. the luminescent material plate according to claim 1 is characterized in that, said second projection (9) has the n-angular shape.
18. the luminescent material plate according to claim 1 is characterized in that said luminous material layer is made up of the accumulating type luminescent material.
19. the luminescent material plate according to claim 1 is characterized in that said luminous material layer is made up of scintillator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110017789 DE102011017789B3 (en) | 2011-04-29 | 2011-04-29 | Phosphor sheet comprises a substrate and an overlying additional layer, on which a phosphor layer is applied, where the additional layer is girdded such that it forms first and second nubs separated by grooves |
| DE102011017789.2 | 2011-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102760506A true CN102760506A (en) | 2012-10-31 |
Family
ID=45832821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101304518A Pending CN102760506A (en) | 2011-04-29 | 2012-04-28 | Phosphor sheet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102760506A (en) |
| DE (1) | DE102011017789B3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217778A (en) * | 2013-05-30 | 2014-12-17 | 柯尼卡美能达株式会社 | Radiographic image conversion panel and radiographic image detector |
| CN106459743A (en) * | 2014-06-23 | 2017-02-22 | 圣戈班晶体及检测公司 | Luminescent material with a textured photonic layer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171996A (en) * | 1991-07-31 | 1992-12-15 | Regents Of The University Of California | Particle detector spatial resolution |
| EP0573879A2 (en) * | 1992-06-12 | 1993-12-15 | Siemens Aktiengesellschaft | Manufacturing process of a structured phosphor layer |
| DE4219347A1 (en) * | 1992-06-12 | 1993-12-16 | Siemens Ag | Alkali metal halide phosphor layer prodn. - by inclined vapour deposition to obtain layer island regions |
| CN1422441A (en) * | 2000-04-04 | 2003-06-04 | 浜松光子学株式会社 | Semiconductor energy detector |
| JP2011137665A (en) * | 2009-12-26 | 2011-07-14 | Canon Inc | Scintillator panel, radiation imaging apparatus, method of manufacturing scintillator panel and radiation imaging apparatus, and radiation imaging system |
| CN201966252U (en) * | 2011-02-23 | 2011-09-07 | 华映视讯（吴江）有限公司 | Organic light-emitting diode packaging structure |
-
2011
- 2011-04-29 DE DE201110017789 patent/DE102011017789B3/en not_active Expired - Fee Related
-
2012
- 2012-04-28 CN CN2012101304518A patent/CN102760506A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171996A (en) * | 1991-07-31 | 1992-12-15 | Regents Of The University Of California | Particle detector spatial resolution |
| EP0573879A2 (en) * | 1992-06-12 | 1993-12-15 | Siemens Aktiengesellschaft | Manufacturing process of a structured phosphor layer |
| DE4219347A1 (en) * | 1992-06-12 | 1993-12-16 | Siemens Ag | Alkali metal halide phosphor layer prodn. - by inclined vapour deposition to obtain layer island regions |
| CN1422441A (en) * | 2000-04-04 | 2003-06-04 | 浜松光子学株式会社 | Semiconductor energy detector |
| JP2011137665A (en) * | 2009-12-26 | 2011-07-14 | Canon Inc | Scintillator panel, radiation imaging apparatus, method of manufacturing scintillator panel and radiation imaging apparatus, and radiation imaging system |
| CN201966252U (en) * | 2011-02-23 | 2011-09-07 | 华映视讯（吴江）有限公司 | Organic light-emitting diode packaging structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217778A (en) * | 2013-05-30 | 2014-12-17 | 柯尼卡美能达株式会社 | Radiographic image conversion panel and radiographic image detector |
| CN106459743A (en) * | 2014-06-23 | 2017-02-22 | 圣戈班晶体及检测公司 | Luminescent material with a textured photonic layer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011017789B3 (en) | 2012-04-05 |
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Application publication date: 20121031 |