WO2013120421A1 - 近红外光吸收玻璃、元件及滤光器 - Google Patents
近红外光吸收玻璃、元件及滤光器 Download PDFInfo
- Publication number
- WO2013120421A1 WO2013120421A1 PCT/CN2013/071338 CN2013071338W WO2013120421A1 WO 2013120421 A1 WO2013120421 A1 WO 2013120421A1 CN 2013071338 W CN2013071338 W CN 2013071338W WO 2013120421 A1 WO2013120421 A1 WO 2013120421A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- infrared light
- light absorbing
- glass
- absorbing glass
- content
- Prior art date
Links
- 239000011521 glass Substances 0.000 title claims abstract description 112
- 238000002834 transmittance Methods 0.000 claims abstract description 50
- 239000002253 acid Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001768 cations Chemical class 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims description 36
- 239000000126 substance Substances 0.000 abstract description 10
- 150000001450 anions Chemical class 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract description 7
- 230000008018 melting Effects 0.000 abstract description 7
- 239000005303 fluorophosphate glass Substances 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010949 copper Substances 0.000 description 33
- 230000003595 spectral effect Effects 0.000 description 16
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000004031 devitrification Methods 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000002386 leaching Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 238000001444 catalytic combustion detection Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- DWYMPOCYEZONEA-UHFFFAOYSA-L fluoridophosphate Chemical compound [O-]P([O-])(F)=O DWYMPOCYEZONEA-UHFFFAOYSA-L 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- 239000005365 phosphate glass Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- RHFUXPCCELGMFC-UHFFFAOYSA-N n-(6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydrochromen-4-yl)-n-phenylmethoxyacetamide Chemical compound OC1C(C)(C)OC2=CC=C(C#N)C=C2C1N(C(=O)C)OCC1=CC=CC=C1 RHFUXPCCELGMFC-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- -1 oxide Chemical compound 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
- C03C4/082—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths for infrared absorbing glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
- C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/226—Glass filters
Definitions
- the present invention relates to a near-infrared light absorbing glass, a near-infrared light absorbing element, and a near-infrared light absorbing filter. Specifically, the present invention relates to a near-infrared light absorbing glass for a near-infrared light absorbing filter suitable for color sensitivity correction, and a near-infrared light absorbing element composed of the glass and a filter.
- the spectral sensitivity of semiconductor imaging elements such as CCDs and CMOSs used in digital cameras and VTR cameras has spread to the near-infrared field around l lOOnm from the field of view, and can be approximated by using filters that absorb light in the near-infrared field.
- the degree of human vision Therefore, the demand for color sensitivity correction filters is increasing, which places higher demands on the near-infrared light absorbing functional glass used for manufacturing such filters, that is, it is required to be supplied in large quantities at low prices.
- Such glass, and glass has better stability.
- a near-infrared light absorbing glass is a near-infrared light absorbing glass by adding ClT to a phosphate glass or a fluorophosphate glass.
- phosphate glass is less chemically stable than fluorophosphate glass. If the glass is exposed to high temperature and high humidity for a long time, the surface of the glass will be cracked and white turbid.
- the technical problem to be solved by the present invention is to provide a near-infrared light absorbing glass, an element, and a filter which are environmentally friendly and have excellent transmission characteristics in a visible region.
- the technical solution adopted by the present invention to solve the technical problem is: a near-infrared light absorbing glass, wherein the near-infrared light absorbing glass has a thickness of 1 mm, a transmittance of more than 80% at a wavelength of 400 nm, and a transmittance of more than 85 at a wavelength of 500 nm.
- the near-infrared light absorbing glass contains P 5+ , Al 3+ , Li+, R 2+ and Cu 2+ represented by cations, and the R 2+ represents Mg 2+ , Ca 2+ , Sr 2+ and Ba 2+ , which also contains 0 2 - and F - represented by an anion, the water resistance stability of the near-infrared light absorbing glass is 0 diary1 grade, and the acid resistance stability D A is 4 or more.
- the transmittance at a wavelength of 400 nm shows more than 88%, and the transmittance at a wavelength of 500 nm shows more than 90%. Enter one;
- the F_ _0 2 — is 0. 1-20%.
- the F - -0 2 - is 0. 1- 10%.
- R 2+ content is 30-65%, the R 2+ represents Mg 2+ , Ca
- Ho ho eleven enter the 2211--2255 have %% ,, containing containing a P 5+; 10- 15% of Al 3+; 1- 10% of Li +;. 0 5-3% of Na + 0-3% K+; 1. 2-3% Cu 2 R 2+ content is greater than 50% but less than or equal to 65%; greater than 50% but less than or equal to 57% F-; : at or equal to 43 % but less than 50% of 0 2 —.
- a near-infrared light absorbing glass characterized by containing 15-35% of P 5+ ; 5-20% of Al 3+ ;
- R 2+ content is greater than 50% but less than or equal to 65%; greater than 50% but less than or equal to 57% of F-; greater than or equal to 43% but less than 50% of 0 2 —.
- P 5+ contains 21-25% P 5+ ; 10-15% Al 3+ ; 1-10% Li + ; 0 . 5-3% Na + ; 0-3% K + ; 2-3% Cu 2+ ; 3-7% Mg 2+ ; 7-11% Ca 2+ ; 23-28% Sr 2+ ; 21-30% of Ba 2+ ; greater than 50% but less than or equal to 57% of F-; greater than or equal to 43% but less than 50% of 0 2 -.
- the near-infrared light absorbing element is composed of the above-described near-infrared light absorbing glass.
- the near-infrared light absorbing filter is composed of the above-described near-infrared light absorbing glass.
- the invention has the beneficial effects that: the fluorophosphate glass is used as the matrix glass, and the specific component design can effectively reduce the melting temperature of the glass, and can also make the glass have excellent chemical stability, and the main performance is stable water resistance.
- the property D w reaches the first grade, the acid resistance stability 3 ⁇ 4 reaches the grade 4 or better than the grade 4;
- the present invention preferably increases the content of the fluorophosphate matrix glass anion component F-, and the F-content is greater than 0 2 - content, which can be effective Decreasing the melting temperature of the glass to make the glass chemically excellent;
- the invention increases the basic content of the glass by increasing the R 2+ content in the fluorophosphate matrix glass composition, and inhibits the reduction of CiT to Cu + , so that the glass The near-infrared light absorption performance is excellent.
- the transmittance at a wavelength of 400 nm is more than 80%
- the transmittance at a wavelength of 500 nm is more than 85%
- the transmittance in a wavelength range of 500 to 700 nm is a transmittance.
- the corresponding wavelength at 50% i.e., ⁇ 5 . corresponding wavelength value
- Fig. 1 is a graph showing the spectral transmittance of a near-infrared light absorbing glass of Example 1 of the present invention. detailed description
- the near-infrared light absorbing glass of the present invention is obtained by adding a fluorophosphoric acid glass as a base and adding a CiT having a near-infrared light absorbing effect.
- the content of the cationic component is expressed as a percentage of the weight of the cation to the total weight of all the cations
- the content of the anionic component is expressed as a percentage of the total weight of the anion by the weight of the anion.
- P 5+ is an essential component of fluorophosphate glass and is an important component for generating absorption in the infrared region of ClT.
- the content is less than 15%, the color correction function is deteriorated and is greenish; when it exceeds 35%, the weather resistance and the devitrification resistance are deteriorated, so the content of P 5+ is limited to 15-35%, preferably 20-30%. More preferably, it is 21-25%.
- Al 3+ is a component that improves the devitrification resistance, weather resistance, thermal shock resistance, mechanical strength and chemical resistance of fluorophosphate glass.
- the Al 3+ content is less than 5%, the above effects are not obtained; when the Al 3+ content exceeds 20%, the near-infrared absorption characteristics are lowered. Therefore, the Al 3+ content is 5-20%, more preferably 10-15%.
- Li + , Na + and K + are components which increase the meltability, glass-forming and transmittance in the visible light region of the glass. Compared to Na + and K + , the introduction of a small amount of Li + has a better effect on the chemical stability of the glass. However, when the Li + content exceeds 30%, the durability and processability of the glass deteriorate. Therefore, the Li + content is from 1 to 30%, preferably from 1 to 15%, more preferably from 1 to 10%, and most preferably from 2 to 5%.
- the present invention can also preferably incorporate a small amount of Na + and Li + mixed, which can effectively improve the weather resistance of the glass. 5 ⁇ 3% ⁇
- the Na + content is 0-10%, preferably 0-5%, more preferably 0. 5_3%.
- the K + content is 0 to 3%, and if the content exceeds 3%, the durability of the glass is rather lowered.
- R 2+ is a component effective for improving the glass forming property, devitrification resistance and workability of the glass, where R 2+ represents Mg 2+ , Ca 2+ , Sr 2+ and Ba 2+ .
- R 2+ represents Mg 2+ , Ca 2+ , Sr 2+ and Ba 2+ .
- the introduced copper ions are not Cu + and must be Cu 2+ .
- CiT becomes Cu + , and as a result, the transmittance near a wavelength of 400 nm is lowered.
- the invention increases the basic content of the glass liquid by increasing the total amount of Mg 2+ , Ca 2+ , Sr 2+ and Ba 2+ , and can suppress the reduction of CiT to Cu + , so that the near-infrared light absorption property of the glass is improved. Excellent.
- the total content of Mg 2+ , Ca 2+ , Sr 2+ , and Ba 2+ is less than 30%, the devitrification resistance tends to be deteriorated, and if it exceeds 65%, the devitrification resistance tends to be deteriorated.
- the total content of Mg 2+ , Ca 2+ , Sr 2+ , and Ba 2+ is 30-65%, preferably the total content is 40-65%, and more preferably the total content is more than 50% but less than or equal to 65%.
- the total content is 54-65%, and most preferably the total content is 54-60%.
- Mg 2+ and Ca 2+ have an effect of improving the resistance to devitrification, chemical stability, and processability of the glass.
- the Mg 2+ content is from 0.1 to 10%, more preferably from 2 to 8%, further preferably from 3 to 7%.
- the Ca 2+ content is preferably from 1 to 20%, more preferably from 5 to 15%, further more preferably from 7 to 11%.
- the present invention mainly introduces a high content of Sr 2+ and Ba 2+ , which effectively increases the R 2+ content and brings about an increase in light transmittance while Sr 2+ And Ba 2+ also has an effect of improving glassability, glass resistance to devitrification, and meltability.
- the Sr 2+ content is preferably from 15 to 35%, more preferably from 21 to 30%, further preferably from 23 to 28%.
- the Ba 2+ content is preferably from 10 to 30%, more preferably from 15 to 30%, further preferably from 21 to 30%, and most preferably from 2 to 25%.
- CiT near-infrared absorption characteristics
- the Cu 2+ content is 0. 1-8%, preferably 1. 2-5%, more preferably 1. 2-3%
- the glass of the present invention contains 0 2 - and F- as an anion component.
- CiT In the near-infrared absorbing glass, when the melting temperature is raised, CiT is easily reduced to Cu + , and the color of the glass changes from blue to green, thereby impairing the characteristics necessary for applying color sensitivity correction to the semiconductor imaging element.
- F - is an important anionic component that lowers the melting temperature of the glass and increases chemical stability.
- the chemical stability is lowered; when the F-content is more than 60%, since the content of 0 2 - is decreased, the reduction of CiT is not suppressed, and the Cu + content in the glass is When it rises, the short-wave partial absorption increases and the infrared absorption decreases.
- the F-content is 45-60%, preferably 48-57%, more preferably more than 50% but less than or equal to 57%, further preferably 51-55%, most preferably 51-53%.
- 0 2 — is an important anion component in the glass of the present invention.
- the content of 0 2 - is 40-55%, preferably 43-52%, more preferably 43% or more but less than 50%, further preferably 45-49%, more preferably 47- 49%.
- the present invention preferably increases the content of F- in an appropriate amount, and the F-content is greater than 0 2 - content, which can effectively lower the melting temperature of the glass, and an appropriate amount of F- can also make the glass chemically excellent.
- 1-3% ⁇ The preferred range of F - -0 2 - is 0. 1-20%, further preferably 0. 1-10%, the most preferred range is 0. 1-3%
- the invention is designed by specific components, and the chemical stability characteristics of the glass are as follows: Water resistance stability 0 niethacy can reach level 1; acid resistance stability D A reaches level 4, preferably reaches 3 Level, more preferably up to level 2.
- the optical glass is stable in water resistance D w is divided into 6 categories.
- D A is divided into 6 categories.
- the preferred transmittance characteristics of the glass of the present invention are as follows:
- the spectral transmittance in the wavelength range of 400 to 1200 nm has More preferably, it is greater than or equal to 88%.
- the spectral transmittance at a wavelength of 500 nm is greater than or equal to 85%, preferably greater than or equal to 88%, more preferably greater than or equal to 90%.
- the spectral transmittance at a wavelength of 600 nm is greater than or equal to 58%, preferably greater than or equal to 61%, more preferably greater than or equal to 64%.
- the spectral transmittance at a wavelength of 700 nm is less than or equal to 12%, preferably less than or equal to 10%, more preferably less than or equal to 9%.
- the spectral transmittance at a wavelength of 800 nm is less than or equal to 5%, preferably less than or equal to 3%, more preferably less than or equal to 2.5%, still more preferably less than or equal to 2%.
- the spectral transmittance at a wavelength of 900 nm is less than or equal to 5%, preferably less than or equal to 3%, more preferably less than or equal to 2.5%.
- the spectral transmittance at a wavelength of lOOOnm is less than or equal to 7%, preferably less than or equal to 6%, more preferably less than or equal to 5%.
- the spectral transmittance at a wavelength of l lOOnm is less than or equal to 15%, preferably less than or equal to 13%, more preferably less than or equal to 11%.
- the spectral transmittance at a wavelength of 1200 nm is less than or equal to 24%, preferably less than or equal to 22%, more preferably less than or equal to 21%.
- the absorption in the wavelength range of the near-infrared region of 700 nm to 1200 nm is large, and the absorption in the wavelength range of the visible light region of 400 nm to 600 nm is small.
- the corresponding wavelength i.e., ⁇ 5 . corresponding wavelength value
- the range of 50% transmittance is 615 ⁇ 10 nm.
- the transmittance of the glass of the present invention refers to the value obtained by the spectrophotometer in the manner described: Assuming that the glass sample has two planes parallel to each other and optically polished, the light is incident perpendicularly from one parallel plane and exits from the other parallel plane. The intensity of the emitted light divided by the intensity of the incident light is the transmittance, which is also referred to as the external transmittance.
- color correction of a semiconductor imaging element such as CCD or CMOS can be excellently achieved.
- the near-infrared light absorbing element according to the present invention is composed of the near-infrared light absorbing glass, and may be a thin plate-shaped glass element or a lens used in a near-infrared light absorbing filter, etc. It is used for color correction of solid-state imaging devices, and has good transmission performance and chemical stability.
- the near-infrared filter according to the present invention is a near-infrared light absorbing element composed of near-infrared light absorbing glass, and thus has good light transmission performance and chemical stability.
- fluoride, metaphosphate, oxide, nitrate and carbonate are used as glass raw materials, and the raw materials are weighed to have a composition having the compositions shown in Tables 1-3. After thorough mixing, the raw materials are mixed. It is put into a platinum crucible sealed with a lid, heated and melted at a temperature of 700-90 CTC, and clarified by oxygen protection while homogenizing, and then the molten glass is continuously discharged from the temperature control pipe at a constant flow rate, and the optical of the present invention is obtained after molding. glass.
- the above glass was processed into a plate shape, and both surfaces opposed to each other were optically polished to prepare a sample for measuring transmittance, and the spectral transmittance of each sample was measured using a spectroscopic transmissor to obtain a sample having a thickness of 1 mm. Transmittance of typical wavelengths.
- the transmittance values of the glass of the present invention at a thickness of 1 mm are shown in Table 4-6, and it can be confirmed that the glass has excellent properties as a color sensitivity correction glass for a semiconductor imaging element.
- Fig. 1 is a graph showing the spectral transmittance of the first embodiment, in which the abscissa represents the wavelength and the ordinate represents the transmittance.
- the transmittance at a wavelength of 400 nm is preferably 80% or more.
- the corresponding wavelength range is 615 ⁇ 10 nm when the transmittance is 50%.
- the transmittance in the wavelength region of the wavelength of 800 to 1000 nm is the lowest.
- this region is a near-infrared region, the sensitivity of the semiconductor image pickup element in this region is not so low, and therefore it is necessary to suppress the transmittance of the color correction filter to a sufficiently low level.
- the wavelength is in the region of 1000 to 1200 nm, the sensitivity of the semiconductor imaging element is relatively lowered, so that the transmittance of the glass of the present invention is increased.
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Glass Compositions (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020147025860A KR20140135987A (ko) | 2012-02-17 | 2013-02-04 | 근적외선 흡수유리, 근적외선 흡수 컴포넌트 및 근적외선 흡수필터 |
US14/379,113 US9546105B2 (en) | 2012-02-17 | 2013-02-04 | Near-infrared light absorbing glass, element and filter |
JP2014556909A JP6357109B2 (ja) | 2012-02-17 | 2013-02-04 | 近赤外光吸収ガラス、近赤外光吸収素子、及び近赤外光吸収光学フィルタ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CN201210036840.4 | 2012-02-17 | ||
CN2012100368404A CN102557434B (zh) | 2012-02-17 | 2012-02-17 | 近红外光吸收玻璃、元件及滤光器 |
CN201210036873.9 | 2012-02-17 | ||
CN201210036873.9A CN102603189B (zh) | 2012-02-17 | 2012-02-17 | 近红外光吸收玻璃、元件及滤光器 |
Publications (1)
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WO2013120421A1 true WO2013120421A1 (zh) | 2013-08-22 |
Family
ID=48983553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2013/071338 WO2013120421A1 (zh) | 2012-02-17 | 2013-02-04 | 近红外光吸收玻璃、元件及滤光器 |
Country Status (4)
Country | Link |
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US (1) | US9546105B2 (zh) |
JP (2) | JP6357109B2 (zh) |
KR (1) | KR20140135987A (zh) |
WO (1) | WO2013120421A1 (zh) |
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US5242868A (en) * | 1988-02-29 | 1993-09-07 | Hoya Corporation | Fluorophosphate glass |
JPH10101370A (ja) * | 1996-10-02 | 1998-04-21 | Toshiba Glass Co Ltd | 近赤外線カットフィルタガラスの分光特性調整方法 |
WO2011071157A1 (ja) * | 2009-12-11 | 2011-06-16 | 旭硝子株式会社 | 近赤外線カットフィルタガラス |
CN102557434A (zh) * | 2012-02-17 | 2012-07-11 | 成都光明光电股份有限公司 | 近红外光吸收玻璃、元件及滤光器 |
CN102603188A (zh) * | 2012-02-17 | 2012-07-25 | 成都光明光电股份有限公司 | 近红外光吸收玻璃、元件及滤光器 |
CN102603189A (zh) * | 2012-02-17 | 2012-07-25 | 成都光明光电股份有限公司 | 近红外光吸收玻璃、元件及滤光器 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0643254B2 (ja) * | 1988-02-29 | 1994-06-08 | ホーヤ株式会社 | 弗燐酸塩ガラス |
JP2726078B2 (ja) * | 1989-01-31 | 1998-03-11 | ホーヤ株式会社 | 近赤外線吸収フィルターガラス |
JPH11209144A (ja) * | 1998-01-21 | 1999-08-03 | Hoya Corp | 近赤外吸収フィルター用ガラスおよびそれを用いた近赤外吸収フィルター |
JP3965352B2 (ja) * | 2002-10-16 | 2007-08-29 | Hoya株式会社 | 銅含有ガラス、近赤外光吸収素子および近赤外光吸収フィルター |
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US9546105B2 (en) | 2017-01-17 |
JP6357109B2 (ja) | 2018-07-11 |
JP6161767B2 (ja) | 2017-07-12 |
US20150329411A1 (en) | 2015-11-19 |
JP2016155758A (ja) | 2016-09-01 |
KR20140135987A (ko) | 2014-11-27 |
JP2015512847A (ja) | 2015-04-30 |
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