CN212009008U - NBP578 nanometer narrow-band filter for glucometer - Google Patents
NBP578 nanometer narrow-band filter for glucometer Download PDFInfo
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- CN212009008U CN212009008U CN202020234464.XU CN202020234464U CN212009008U CN 212009008 U CN212009008 U CN 212009008U CN 202020234464 U CN202020234464 U CN 202020234464U CN 212009008 U CN212009008 U CN 212009008U
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Abstract
The utility model discloses a NBP578 nanometer narrowband light filter for blood glucose meter, including first light filter, second light filter and third light filter, first light filter is located the top of second light filter, the third light filter is located the below of second light filter, be provided with first optics photosensitive UV glue film between first light filter and the second light filter, it is fixed through the bonding of first optics photosensitive UV glue film between first light filter and the second light filter, be provided with second optics photosensitive UV glue film between second light filter and the third light filter, it is fixed through the bonding of second optics photosensitive UV glue film between second light filter and the third light filter. A NBP578 nanometer narrowband optical filter for blood glucose meter, adopt three optical filters veneer, every optical filter plates the corresponding optics rete, its 200nm-1100nm cut-off depth is greater than OD5, half area is less than 10nm,578 nanometer department sees through well, brings better use prospect.
Description
Technical Field
The utility model relates to a photoelectron field, in particular to a NBP578 nanometer narrowband optical filter for blood glucose meter.
Background
Nowadays, light is widely used in various fields, optical films are indispensable technologies for optical applications, and with the rapid development of manufacturing technologies, optical films have also been developed rapidly, and become an important branch of modern optics, and are also important components of modern optical instruments and optical devices. The optical design requirement is realized by plating one or more layers of dielectric films on the surfaces of optical materials such as optical glass, optical fibers, crystals, optical plastics and the like based on the interference effect of film layer and film layer light. The optical film has the advantages of flexible preparation mode, reliable firmness, stable optical characteristics and relatively low cost, so that the optical filter is an indispensable device for designing an optical instrument, the existing NBP578 nano narrow-band filter for the glucometer has low transmission and low cut-off depth, and the detection precision of the instrument is greatly reduced, therefore, the NBP578 nano narrow-band filter for the glucometer is provided.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a NBP578 nanometer narrowband optical filter for blood glucose meter can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the NBP578 nanometer narrow-band optical filter for the glucometer comprises a first optical filter, a second optical filter and a third optical filter, wherein the first optical filter is positioned above the second optical filter, the third optical filter is positioned below the second optical filter, a first optical photosensitive UV adhesive layer is arranged between the first optical filter and the second optical filter, the first optical filter and the second optical filter are fixedly bonded through the first optical photosensitive UV adhesive layer, a second optical photosensitive UV adhesive layer is arranged between the second optical filter and the third optical filter, the second optical filter and the third optical filter are fixedly bonded through the second optical photosensitive UV adhesive layer, a first optical thin film layer is plated on the first optical filter, a second optical thin film layer is plated on the second optical filter, and a third optical thin film layer is plated on the third optical filter.
Preferably, the first optical filter, the second optical filter and the third optical filter are all optical glass.
Preferably, the first optical thin film layer is a band-pass thin film layer, the second optical thin film layer is a long-wave-pass thin film layer, and the third optical thin film layer is a short-wave-pass thin film layer.
Preferably, the first optical film layer consists of 48 layers of high refractive index material and low refractive index material which are alternately stacked, wherein the 48 layers of the high refractive index material and the low refractive index material are 0.827(0.5HL0.5H) ^12 and 1.17(0.5LH0.5L) ^ 12.
Preferably, the second optical film layer consists of 64 layers of high refractive index material and low refractive index material alternately stacked, wherein the layers are 0.827(0.5HL0.5H) ^12, 1.6(0.5LH0.5L) ^10 and 1.85(0.5LH0.5L) ^ 10.
Preferably, the third optical film layer consists of 68 layers of high refractive index material and low refractive index material alternately stacked, wherein the 68 layers of high refractive index material and low refractive index material are 0.66(0.5HL0.5H) ^11, 1.17(0.5LH0.5L) ^12 and 1.48(0.5LH0.5L) ^ 11.
Compared with the prior art, the utility model discloses following beneficial effect has: the NBP578 nanometer narrowband filter for the glucometer is glued by adopting three filters, each filter is plated with a corresponding optical film layer, the cut-off depth of 200nm-1100nm of the filter is greater than OD5, the half band is less than 10nm, the 578 nm part is excellent in penetration, the use by people is facilitated, and the whole NBP578 nanometer narrowband filter for the glucometer is simple in structure, convenient to operate and better in use effect compared with the traditional mode.
Drawings
Fig. 1 is a front view of the NBP578 nm narrowband filter for a blood glucose meter according to the present invention.
Fig. 2 is an enlarged view of a in fig. 1 of a NBP578 nano narrowband filter for a blood glucose meter according to the present invention.
Fig. 3 is a film structure and a graph showing the design of the optical thin film layer of the first filter in the NBP578 nm narrowband filter for a blood glucose meter according to the present invention.
Fig. 4 is a film structure and a graph showing the design of the optical thin film layer of the second filter in the NBP578 nm narrowband filter for a blood glucose meter according to the present invention.
Fig. 5 is a film structure and a graph showing the design of the optical thin film layer of the third filter in the NBP578 nm narrowband filter for a blood glucose meter according to the present invention.
Fig. 6 is a graph showing the product spectral curve of the middle 578 nm narrowband filter of the present invention.
In the figure: 1. a first optical filter; 2. a second optical filter; 3. a third optical filter; 4. a first optically sensitive UV glue layer; 5. a second optically sensitive UV glue layer; 6. a first optical thin film layer; 7. a second optical thin film layer; 8. and a third optical film layer.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-6, an NBP578 nano narrowband filter for a blood glucose meter, comprises a first filter 1, the optical filter comprises a second optical filter 2 and a third optical filter 3, wherein the first optical filter 1 is positioned above the second optical filter 2, the third optical filter 3 is positioned below the second optical filter 2, a first optical photosensitive UV adhesive layer 4 is arranged between the first optical filter 1 and the second optical filter 2, the first optical filter 1 and the second optical filter 2 are fixedly bonded through the first optical photosensitive UV adhesive layer 4, a second optical photosensitive UV adhesive layer 5 is arranged between the second optical filter 2 and the third optical filter 3, the second optical filter 2 and the third optical filter 3 are fixedly bonded through the second optical photosensitive UV adhesive layer 5, a first optical thin film layer 6 is plated on the first optical filter 1, a second optical thin film layer 7 is plated on the second optical filter 2, and a third optical thin film layer 8 is plated on the third optical filter 3.
Further, the first optical filter 1, the second optical filter 2, and the third optical filter 3 are all optical glass.
Further, the first optical film layer 6 is a band-pass film layer, the second optical film layer 7 is a long-wave pass film layer, and the third optical film layer 8 is a short-wave pass film layer.
Further, the first optical film layer 6 is composed of 48 layers of high refractive index material and low refractive index material alternately stacked, 0.827(0.5HL0.5H) ^12, 1.17(0.5LH0.5L) ^ 12.
Further, the second optical film layer 7 is composed of 64 layers of high refractive index material and low refractive index material alternately stacked, 0.827(0.5HL0.5H) E12, 1.6(0.5LH0.5L) 10, 1.85(0.5LH0.5L) 10.
Further, the third optical film layer 8 is composed of 68 layers of high refractive index material and low refractive index material alternately stacked, 0.66(0.5HL0.5H) ^11, 1.17(0.5LH0.5L) ^12, 1.48(0.5LH0.5L) ^ 11.
It should be noted that the utility model relates to a NBP578 nanometer narrow band filter for a blood glucose meter, which adopts an OTFC-1300 box type thermal evaporation coating machine to process and produce a first filter 1, a second filter 2 and a third filter 3, the first filter 1, the second filter 2 and the third filter 3 are cleaned and put into a vacuum chamber workpiece umbrella, then the vacuum pumping is carried out after exhausting, the temperature is respectively increased by 120 ℃, the rotating speed of the workpiece umbrella disk is automatically adjusted to low speed, when the vacuum degree reaches 8.0 x 10 < -4 > Pa, the automatic oxygen-filling air-opening radio frequency ion source bombards the first optical filter 1, the second optical filter 2 and the third optical filter 3, the cleaning effect on the first optical filter 1, the second optical filter 2 and the third optical filter 3 is achieved, and the surface molecular activity of the first optical filter 1, the second optical filter 2 and the third optical filter 3 can be increased to improve the film adhesion. After bombardment is carried out for five to ten minutes, the filaments of the left and right electron guns are preheated, and meanwhile, whether the oxygen pressure and the crystal oscillator activity are normal or not is checked. After preheating, the workpiece umbrella is automatically switched to high speed, high pressure is automatically opened, an electron gun is automatically switched on, a main light control system and a crystal control system are used for controlling the film thickness and evaporation, and the compounding of the first optical filter 1 and the first optical thin film layer 6, the compounding of the second optical filter 2 and the second optical thin film layer 7 and the compounding of the third optical filter 3 and the third optical thin film layer 8 are completed; respectively producing and processing a first optical filter 1, a second optical filter 2 and a third optical filter 3; and adhering and fixing the first optical filter 1, the second optical filter 2 and the third optical filter 3 which are produced and processed together by using a first optical photosensitive UV adhesive layer 4 and a second optical photosensitive UV adhesive layer 5, wherein the uncoated surfaces of the first optical filter 1 and the second optical filter 2 are glued, and the coated surface of the second optical filter 2 and the uncoated surface of the third optical filter 3 are glued.
The NBP578 nanometer narrow-band filter which is finished is tested by a UV8000A spectrophotometer, a 3M adhesive tape, a high-low temperature tester and an alcohol lamp, and the product performance test is divided into 5 steps:
1. performing light splitting test on the product; the test results are shown in FIG. 5
2. Tape sticking experiment: the used adhesive tape is a 3M invisible adhesive tape, the two sides of the sample are quickly pulled apart after being tightly adhered with the adhesive tape, and the demoulding phenomenon is not seen after the process is repeated for 5 times.
3. Room temperature soaking experiment: after the sample is soaked in water for 18H after being subjected to cleaning treatment, the sample is subjected to cleaning treatment and a transmission spectrum curve is tested, and the transmittance value is not obviously changed.
4. High temperature and high humidity resistance experiment: the product was placed in a high-temperature and high-humidity environment (temperature 45 ℃ C., relative humidity 95%) for 24H, and the surface was observed after being taken out. No obvious change is found, and the transmittance spectrum test is not reduced basically.
5. Anti-flaming test: the glass substrate of the product is produced on an alcohol lamp to be burnt for 3 minutes without film cracking.
As can be seen from the results of FIGS. 1 to 6, the filters using the thin film layer of this structure have a 200nm-1100nm cutoff depth greater than OD5, a half band width of less than 10nm, and a penetration at 578 nm, and are practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An NBP578 nanometer narrow-band filter for a glucometer, which comprises a first filter (1), a second filter (2) and a third filter (3), and is characterized in that: the first optical filter (1) is positioned above the second optical filter (2), the third optical filter (3) is positioned below the second optical filter (2), a first optical photosensitive UV adhesive layer (4) is arranged between the first optical filter (1) and the second optical filter (2), the first optical filter (1) and the second optical filter (2) are fixed by a first optical photosensitive UV adhesive layer (4) in an adhering way, a second optical photosensitive UV adhesive layer (5) is arranged between the second optical filter (2) and the third optical filter (3), the second optical filter (2) and the third optical filter (3) are fixed by a second optical photosensitive UV adhesive layer (5) in an adhering way, a first optical film layer (6) is plated on the first optical filter (1), a second optical film layer (7) is plated on the second optical filter (2), and a third optical thin film layer (8) is plated on the third optical filter (3).
2. The NBP578 nano narrowband filter for blood glucose meters according to claim 1, wherein: the first optical filter (1), the second optical filter (2) and the third optical filter (3) are all made of optical glass.
3. The NBP578 nano narrowband filter for blood glucose meters according to claim 1, wherein: the first optical thin film layer (6) is a band-pass thin film layer, the second optical thin film layer (7) is a long-wave pass thin film layer, and the third optical thin film layer (8) is a short-wave pass thin film layer.
4. The NBP578 nano narrowband filter for blood glucose meters according to claim 3, wherein: the first optical thin film layer (6) is formed by alternately stacking 48 layers of high-refractive-index materials and low-refractive-index materials, wherein the 48 layers of the high-refractive-index materials and the low-refractive-index materials are 0.827(0.5HL0.5H) Farad 12 and 1.17(0.5LH0.5L) Farad 12.
5. The NBP578 nano narrowband filter for blood glucose meters according to claim 3, wherein: the second optical film layer (7) is composed of 64 layers of high refractive index materials and low refractive index materials which are alternately stacked, wherein the number of the layers is 0.827(0.5HL0.5H) ^12, 1.6(0.5LH0.5L) ^10, and 1.85(0.5LH0.5L) ^ 10.
6. The NBP578 nano narrowband filter for blood glucose meters according to claim 3, wherein: the third optical film layer (8) is composed of 68 layers of high refractive index material and low refractive index material alternately stacked, wherein the 68 layers of the high refractive index material and the low refractive index material are 0.66(0.5HL0.5H) ^11, 1.17(0.5LH0.5L) ^12 and 1.48(0.5LH0.5L) ^ 11.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020234464.XU CN212009008U (en) | 2020-03-02 | 2020-03-02 | NBP578 nanometer narrow-band filter for glucometer |
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| CN202020234464.XU CN212009008U (en) | 2020-03-02 | 2020-03-02 | NBP578 nanometer narrow-band filter for glucometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063280A (en) * | 2021-11-19 | 2022-02-18 | 天津津航技术物理研究所 | Wide-angle band-pass filtering film structure for non-planar lens and design method |
| CN114563873A (en) * | 2022-01-26 | 2022-05-31 | 业成科技（成都）有限公司 | Optical assembly and display device |
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2020
- 2020-03-02 CN CN202020234464.XU patent/CN212009008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063280A (en) * | 2021-11-19 | 2022-02-18 | 天津津航技术物理研究所 | Wide-angle band-pass filtering film structure for non-planar lens and design method |
| CN114063280B (en) * | 2021-11-19 | 2024-02-09 | 天津津航技术物理研究所 | Wide-angle band pass filter film structure for non-planar lens and design method |
| CN114563873A (en) * | 2022-01-26 | 2022-05-31 | 业成科技（成都）有限公司 | Optical assembly and display device |
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