CN207216070U - One kind strengthens tempering filter - Google Patents
One kind strengthens tempering filter Download PDFInfo
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- CN207216070U CN207216070U CN201721203270.8U CN201721203270U CN207216070U CN 207216070 U CN207216070 U CN 207216070U CN 201721203270 U CN201721203270 U CN 201721203270U CN 207216070 U CN207216070 U CN 207216070U
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Abstract
The utility model discloses one kind to strengthen tempering filter, and the gradual change ash filter includes substrate and film layer, and the position form that the film layer is attached to substrate is divided into one side and is coated with and double coated, in addition, the film layer of the reinforcement tempering filter uses Al2O3With Ti materials, in the past conventional SiO instead of2With Cr materials, the hardness of filter can either be strengthened, while can also reduce the pollution to environment；In addition, the substrate of filter uses chemically toughened glass, can strengthen when filter falls resistance to falls physical strength.
Description
Technical field
A kind of filter being made by new material is the utility model is related to, it is particularly a kind of to strengthen tempering filter.
Background technology
The usually said filter arrived, refers to optical physics filter, is a kind of photographic part with light filter effect.
In landscape photography, general most commonly used filter be exactly in grey filter (ND) and middle grey the Graduated Filter (GND).The middle grey filter
(ND) whole eyeglass is grey black, and major function is filtering light, reduces thang-kng amount, the increase time for exposure, is usually used in shooting
Innervation virtualization scene；The top half of middle grey the Graduated Filter (GND) eyeglass is grey black, and the latter half is Transparent color, main
Be used to balance light ratio, the dark portion in picture is rationally exposed with high light portion, suitable for big light than environment, such as clapping
Take the photograph the scene at sunrise and dusk.The filter is made up of substrate and film layer, the material used due to the substrate in common filter
It is all common glass and resin that material is most of, and the resistance to physical strength that falls has been short of, in addition, the film layer of attachment over the substrate surface
It is all SiO that the material of use is most of2With Cr materials, the physical hardness that frequently can lead to filter is relatively low and cause one to environment
Fixed pollution.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of reinforcement tempering filter, it is possible to increase filter
Hardness and reduce pollution to environment.
Technical scheme is used by the invention for solving the technical problem：
One kind strengthens tempering filter, it is characterised in that：Including substrate and film layer, the film layer is by Al2O3Electricity Jie of composition
Matter layer and by TiThe metallic diaphragm of composition by being alternately stacked to form, the film layer be attached only to substrate single side surface or
Person is attached to the both side surface of substrate simultaneously.The material of film layer uses Al2O3And TiForm, substitute in the past conventional SiO2And Cr
Material, the hardness and the feature of environmental protection of filter can be improved in the case where meeting to filter light, in addition, being coated with the position mode of film layer
There are two kinds, one kind is that one side is coated with, and another kind is double coated.
Further, the material that the substrate uses is chemically toughened glass.The hardness and intensity of chemically toughened glass are all
Conventional simple glass and resin material are big than ever, and substrate is made using chemically toughened glass material, it is possible to increase filter
The hardness of mirror, improve the resistance to of filter and fall physical strength.
Further, total number of plies of the dielectric layer and metallic diaphragm includes 5-15 layers.Dielectric layer in film layer and
Metallic diaphragm alternates stacking, and total number of plies of dielectric layer and metallic diaphragm is by 5-15 layers.
Further, the first layer in film layer is dielectric layer, and the first layer is attached to the surface of substrate.It is attached to base
The first layer on piece surface is Al2O3The dielectric layer of composition, the second layer are TiThe metallic diaphragm of composition, according to dielectric layer metal
Alternately laminated form of film layer and so on goes out the material composition of other numbers of plies.
Further, the thickness of each layer of different parts is consistent or each layer of thickness is from one end to another
End shows the trend of linear decrease.When the thickness of each layer of different parts in film layer is consistent, the filter
For middle grey filter, major function is filtering light, reduces thang-kng amount, the increase time for exposure, is usually used in shooting dynamic virtualization feelings
Scape；When each layer of thickness in film layer shows the trend of linear decrease from one end to the other end, the filter is middle ash
The Graduated Filter, there is fade effect, be mainly used in balancing light ratio, the dark portion in picture is rationally exposed with high light portion, be applicable
Yu great Guang than environment, such as shooting the scene at sunrise and dusk.
Further, the thickness of the thickest part of the first layer in film layer is 15nm or 20nm.
Further, when film layer is attached only to the single side surface of substrate and total number of plies of dielectric layer and metallic diaphragm is 5
During layer, the thickness of first layer thickest part is 20nm, and the thickness of second layer thickest part is 2.5nm, third layer thickest part
Thickness is 105.43nm, and the thickness of the 4th layer of thickest part is 5.79nm, and the thickness of layer 5 thickest part is 101.44nm.On
The filter for stating thickness distribution is 0.3 rank, corresponding 1 grade of dim light.
Further, when film layer is attached only to the single side surface of substrate and total number of plies of dielectric layer and metallic diaphragm is 7
During layer, the thickness of first layer thickest part is 20nm, and the thickness of second layer thickest part is 3.85nm, third layer thickest part
Thickness is 88.27nm, and the thickness of the 4th layer of thickest part is 3.9nm, and the thickness of layer 5 thickest part is 79.04nm, the 6th
The thickness of layer thickest part is 7.6nm, and the thickness of layer 7 thickest part is 77.19nm.The filter of above-mentioned thickness distribution is 0.6
Rank, corresponding 2 grades of dim light.
Further, when film layer is attached only to the single side surface of substrate and total number of plies of dielectric layer and metallic diaphragm is 7
During layer, the thickness of first layer thickest part is 15nm, and the thickness of second layer thickest part is 3.5nm, third layer thickest part
Thickness is 88.38nm, and the thickness of the 4th layer of thickest part is 2.23nm, and the thickness of layer 5 thickest part is 81.48nm, the 6th
The thickness of layer thickest part is 4.93nm, and the thickness of layer 7 thickest part is 76.46nm.The filter of above-mentioned thickness distribution is
0.9 rank, corresponding 3 grades of dim light.
Further, when film layer is attached only to the single side surface of substrate and total number of plies of dielectric layer and metallic diaphragm is 7
During layer, the thickness of first layer thickest part is 20nm, and the thickness of second layer thickest part is 5.3nm, third layer thickest part
Thickness is 83.28nm, and the thickness of the 4th layer of thickest part is 12.4nm, and the thickness of layer 5 thickest part is 65.96nm, the 6th
The thickness of layer thickest part is 8.5nm, and the thickness of layer 7 thickest part is 76.65nm.The filter of above-mentioned thickness distribution is 1.2
Rank, corresponding 4 grades of dim light.
Further, when film layer is attached only to the single side surface of substrate and total number of plies of dielectric layer and metallic diaphragm is 7
During layer, the thickness of first layer thickest part is 20nm, and the thickness of second layer thickest part is 12nm, the thickness of third layer thickest part
Degree is 63.27nm, and the thickness of the 4th layer of thickest part is 16nm, and the thickness of layer 5 thickest part is 81.68nm, and layer 6 is most
The thickness at thick position is 7.85nm, and the thickness of layer 7 thickest part is 77.54nm.The filter of above-mentioned thickness distribution is 1.5 grades
Not, corresponding 5 grades of dim light.
Further, when film layer is attached only to the single side surface of substrate and total number of plies of dielectric layer and metallic diaphragm is 9
During layer, the thickness of first layer thickest part is 20nm, and the thickness of second layer thickest part is 5.72nm, third layer thickest part
Thickness is 62.65nm, and the thickness of the 4th layer of thickest part is 13.24nm, and the thickness of layer 5 thickest part is 85.82nm, the
The thickness of six layers of thickest part is 12.2nm, and the thickness of layer 7 thickest part is 54.11nm, the thickness of the 8th layer of thickest part
It is 15.44nm, the thickness of the 9th layer of thickest part is 55.07nm.The filter of above-mentioned thickness distribution is 1.8 ranks, corresponding to subtract
6 grades of light.
Further, when film layer is attached only to the single side surface of substrate and total number of plies of dielectric layer and metallic diaphragm is 11
During layer, the thickness of first layer thickest part is 15nm, and the thickness of second layer thickest part is 11.62nm, third layer thickest part
Thickness be 72.49nm, the thickness of the 4th layer of thickest part is 31.84nm, and the thickness of layer 5 thickest part is 76.49nm,
The thickness of layer 6 thickest part is 26.38nm, and the thickness of layer 7 thickest part is 133.54nm, the 8th layer of thickest part
Thickness is 80.22nm, and the thickness of the 9th layer of thickest part is 69.26nm, and the thickness of the tenth layer of thickest part is 19.31nm, the
The thickness of eleventh floor thickest part is 53.17nm.The filter of above-mentioned thickness distribution is 3.0 ranks, corresponding 10 grades of dim light.
Further, when film layer is attached to the both side surface of substrate simultaneously, the thickness of the metallic diaphragm in the film layer of both sides
The half of the corresponding thickness when film layer is attached only to the single side surface of substrate, the thickness of the dielectric layer in the film layer of both sides with
Corresponding consistency of thickness when film layer is attached only to the single side surface of substrate.When double coated, by Ti metal materials in film layer
The half of thickness when the thickness of the metallic diaphragm of composition is coated with for one side, by Al2O3The thickness and list for the dielectric layer that material is formed
It is consistent when face is coated with.
Further, when film layer is attached to the both side surface of substrate simultaneously, the thickness of substrate both sides film layer using substrate as
Center shows symmetrical structure distribution.When double coated, the structure and thickness of the film layer of substrate both sides using substrate as
It is centrally formed symmetrical.
The beneficial effects of the utility model are：A kind of reinforcement tempering filter that the utility model uses, film layer is by Al2O3
The dielectric layer of composition and by TiFor the metallic diaphragm of composition by what is be alternately stacked to form, being coated with the mode of film layer includes one side
It is coated with and double coated, the dielectric layer in filter film layer uses Al2O3The conventional SiO of material substitution2Material, due to Al2O3's
Hardness SiO2Hardness it is big, so the hardness of filter can be strengthened, in addition, the metallic diaphragm in filter film layer uses TiMaterial
Cr materials are substituted, due to TiThe feature of environmental protection it is better than Cr, so the pollution to environment can be reduced, improve the feature of environmental protection of filter.
Brief description of the drawings
The utility model is described in further detail with example below in conjunction with the accompanying drawings.
Fig. 1 is a kind of overall construction drawing for the first embodiment for strengthening tempering filter of the utility model；
Fig. 2 is a kind of overall construction drawing for the second embodiment for strengthening tempering filter of the utility model；
Fig. 3 is a kind of film layer structure figure for the first embodiment for strengthening tempering filter of the utility model；
Fig. 4 is a kind of film layer structure figure for the second embodiment for strengthening tempering filter of the utility model.
Embodiment
One kind strengthens tempering filter, including substrate 110 and film layer 120, and the film layer 120 is by Al2O3The dielectric of composition
Layer and by TiFor the metallic diaphragm of composition by what is be alternately stacked to form, the film layer 120 is attached to the surface of substrate 110；Institute
Film layer 120 is stated to be attached only to the single side surface of substrate 110 or be attached to the both side surface of substrate 110 simultaneously；The substrate 110
It is to be made using chemically toughened glass.
Referring to Figures 1 and 2, a kind of overall construction drawing for two kinds of different embodiments for strengthening tempering filter of the utility model.
In the case where meeting filter filtering light, the position form that the film layer 120 is attached to substrate 110 has two kinds, one of which
As shown in figure 1, the film layer 120 is attached only to the single side surface of substrate 110, it is coated with for one side；Another as shown in Fig. 2
The film layer 120 is attached to the both side surface of substrate 110 simultaneously, is double coated.The substrate 110 is to use chemical tempering glass
Glass is made, and hardness is strong, so that the resistance to physical strength that falls of filter is improved, is different from resin film, resin plate and general
Logical sheets of glass.
One kind strengthens tempering filter, and total number of plies of the dielectric layer and metallic diaphragm includes 5-15 layers, and in film layer 120
First layer be dielectric layer, first layer is attached to the surface of substrate 110.In addition, the thickness of each layer of different parts is protected
Hold the trend that consistent or each layer of thickness shows linear decrease from one end to the other end.When dielectric layer and metallic diaphragm
The total number of plies difference when, each layer of thickness in film layer 120 can change, when double coated, in both sides film layer 120
The thickness of metallic diaphragm is the half that thickness is corresponded to when one side is coated with, the thickness and one side of the dielectric layer in both sides film layer 120
Corresponding consistency of thickness when being coated with.Meanwhile when double coated, film layer 120 is attached to the both side surface of substrate 110, base simultaneously
The thickness of the both sides film layer 120 of piece 110 shows symmetrical structure distribution centered on substrate 110.
Reference picture 3 and Fig. 4, a kind of two kinds of differences for strengthening tempering filter of the utility model apply the structure chart of film layer 120 of example；
The film layer 120 is by Al2O3The dielectric layer of composition and by TiThe metallic diaphragm of composition is by being alternately stacked to form, institute
Stating total number of plies of dielectric layer and metallic diaphragm includes 5-15 layers.What the dielectric layer in film layer 120 of the present utility model used
It is Al2O3Material, it instead of conventional SiO2Material, due to Al2O3Hardness than SiO2It is big so that the hardness of filter
It is improved；In addition, the high purity Ti metal material of metallic diaphragm 120 in film layer 120 using food-grade, instead of with
Past Cr metal materials, because the feature of environmental protection of Ti metal materials is better than Cr metal material, so as to reduce to environment
Pollution.In the case where meeting the effect of the good filtering light of filter, total layer of dielectric layer and metallic diaphragm in the film layer 120
Number can be 5-15 layers.As shown in Fig. 3 total number of plies of the dielectric layer in film layer 120 and metallic diaphragm is 7 layers
Situation, as shown in Fig. 4 total number of plies of the dielectric layer in film layer 120 and metallic diaphragm is 11 layers of situation.
In order to meet the effect of filter filtering light, dielectric layer and metallic diaphragm in the film layer 120 have necessarily
Thickness.
When the thickness of each layer of different parts in the film layer 120 is consistent, the filter is middle grey filter
(ND), major function is filtering light, reduces thang-kng amount, the increase time for exposure, is usually used in shooting dynamic virtualization scene；
When the thickness of each layer of the film layer 120 shows the trend of linear decrease from one end to the other end, the filter
Mirror is middle grey the Graduated Filter (GND), has fade effect, is mainly used in balancing light ratio, makes dark portion in picture and high light portion equal
Rationally exposure, suitable for big light than environment, such as shooting the scene at sunrise and dusk.
For middle grey filter (ND) and middle grey the Graduated Filter (GND), the metallic diaphragm and electricity of the middle grey filter (ND) are situated between
The thickness one of the thickest part of corresponding metallic diaphragm and dielectric layer in the thickness of matter layer and middle grey the Graduated Filter (GND)
Cause, shown in list lattice specific as follows, list when one side is coated with film layer 120, total number of plies of dielectric layer and metallic diaphragm is 5
Layer, 7 layers, the thickness distribution situation of 9 layers and 11 layers.The filter be by control gear reach dim light or balance light than effect
Fruit, when each layer of material thickness difference, the rank and gear of filter also accordingly change.The filter typically has 0.3,0.6,
0.9th, 1.2,1.5,1.8,2.4 and 3.0 rank, corresponding dim light 1,2,3,4,5,6,8 and 10 gears, gear difference can cause to expose
The time of light also accordingly changes.
When one side is coated with, total number of plies of dielectric layer and metallic diaphragm is 5 layers of thickness distribution situation such as table 1 below institute
Show, corresponding filter is 0.3 rank, and gear is 1 grade：
| The number of plies and material | Thickness |
| First layer (Al2O3) | 20 |
| The second layer (Ti) | 2.5 |
| Third layer (Al2O3) | 105.43 |
| 4th layer (Ti) | 5.79 |
| Layer 5 (Al2O3) | 101.44 |
Table 1
When one side is coated with, the first thickness distribution situation that total number of plies of dielectric layer and metallic diaphragm is 7 layers is as follows
Shown in table 2, corresponding filter is 0.6 rank, and gear is 2 grades：
| The number of plies and material | Thickness |
| First layer (Al2O3) | 20 |
| The second layer (Ti) | 3.85 |
| Third layer (Al2O3) | 88.27 |
| 4th layer (Ti) | 3.9 |
| Layer 5 (Al2O3) | 79.04 |
| Layer 6 (Ti) | 7.6 |
| Layer 7 (Al2O3) | 77.19 |
Table 2
When one side is coated with, second of thickness distribution situation that total number of plies of dielectric layer and metallic diaphragm is 7 layers is as follows
Shown in table 3, corresponding filter is 0.9 rank, and gear is 3 grades：
| The number of plies and material | Thickness |
| First layer (Al2O3) | 15 |
| The second layer (Ti) | 3.5 |
| Third layer (Al2O3) | 88.38 |
| 4th layer (Ti) | 2.23 |
| Layer 5 (Al2O3) | 81.48 |
| Layer 6 (Ti) | 4.93 |
| Layer 7 (Al2O3) | 76.46 |
Table 3
When one side is coated with, the third thickness distribution situation that total number of plies of dielectric layer and metallic diaphragm is 7 layers is as follows
Shown in table 4, corresponding filter is 1.2 ranks, and gear is 4 grades：
| The number of plies and material | Thickness |
| First layer (Al2O3) | 20 |
| The second layer (Ti) | 5.3 |
| Third layer (Al2O3) | 83.28 |
| 4th layer (Ti) | 12.4 |
| Layer 5 (Al2O3) | 65.96 |
| Layer 6 (Ti) | 8.5 |
| Layer 7 (Al2O3) | 76.65 |
Table 4
When one side is coated with, the 4th kind of thickness distribution situation that total number of plies of dielectric layer and metallic diaphragm is 7 layers is as follows
Shown in table 5, corresponding filter is 1.5 ranks, and gear is 5 grades：
| The number of plies and material | Thickness |
| First layer (Al2O3) | 20 |
| The second layer (Ti) | 12 |
| Third layer (Al2O3) | 63.37 |
| 4th layer (Ti) | 16 |
| Layer 5 (Al2O3) | 81.68 |
| Layer 6 (Ti) | 7.85 |
| Layer 7 (Al2O3) | 77.54 |
Table 5
When one side is coated with, total number of plies of dielectric layer and metallic diaphragm is 9 layers of thickness distribution situation such as table 6 below institute
Show, corresponding filter is 1.8 ranks, and gear is 6 grades：
Table 6
When one side is coated with, total number of plies of dielectric layer and metallic diaphragm is 11 layers of thickness distribution situation such as table 7 below institute
Show, corresponding filter is 3.0 ranks, and gear is 10 grades：
| The number of plies and material | Thickness |
| First layer (Al2O3) | 15 |
| The second layer (Ti) | 11.62 |
| Third layer (Al2O3) | 72.49 |
| 4th layer (Ti) | 31.84 |
| Layer 5 (Al2O3) | 76.49 |
| Layer 6 (Ti) | 26.38 |
| Layer 7 (Al2O2) | 133.54 |
| 8th layer (Ti) | 80.22 |
| 9th layer of (Al2O3) | 69.26 |
| Tenth layer (Ti) | 19.31 |
| Eleventh floor (Al2O3) | 53.17 |
Table 7
Above-mentioned table 1-7 thickness unit is nanometer (nm).
Above-mentioned table 1-7 is the situation that one side is coated with, and the first layer in film layer 120 is dielectric layer, and the first layer is attached
In the surface of substrate 110, the second layer is TiThe metallic diaphragm of composition, according to the alternately laminated form of dielectric layer metallic diaphragm
And so on go out other numbers of plies material composition.
When double coated, when the thickness for the metallic diaphragm being made up of in film layer 120 Ti metal materials is changed into one side and is coated with
The half of thickness, by Al2O3The consistency of thickness when thickness for the dielectric layer that material is formed is coated with one side, in addition, substrate 110
The structure and thickness of both sides film layer 120 show symmetrical distribution centered on substrate 110.
Described above, simply preferred embodiment of the present utility model, the utility model is not limited to above-mentioned implementation
Mode, as long as it reaches technique effect of the present utility model with identical means, it should all belong to the scope of protection of the utility model.
Claims (10)
1. one kind strengthens tempering filter, it is characterised in that：Including substrate (110) and film layer (120), the film layer (120) be by
Al2O3The dielectric layer of composition and by TiFor the metallic diaphragm of composition by what is be alternately stacked to form, the film layer (120) is only attached
In substrate (110) single side surface or be attached to the both side surfaces of substrate (110) simultaneously.
A kind of 2. reinforcement tempering filter according to claim 1, it is characterised in that：The material that the substrate (110) uses
It is chemically toughened glass.
A kind of 3. reinforcement tempering filter according to claim 1, it is characterised in that：The dielectric layer and metallic diaphragm
Total number of plies includes 5-15 layers.
A kind of 4. reinforcement tempering filter according to claim 3, it is characterised in that：First layer in film layer (120) is electricity
Dielectric layer, the first layer are attached to the surface of substrate (110).
A kind of 5. reinforcement tempering filter according to claim 3, it is characterised in that：The thickness of each layer of different parts is equal
It is consistent or each layer of thickness shows the trend of linear decrease from one end to the other end.
A kind of 6. reinforcement tempering filter according to claim 5, it is characterised in that：First layer in film layer (120) is most
The thickness at thick position is 15nm or 20nm.
A kind of 7. reinforcement tempering filter according to claim 5, it is characterised in that：When film layer (120) is attached only to substrate
(110) when single side surface and total number of plies of dielectric layer and metallic diaphragm is 5 layers, the thickness of first layer thickest part is
20nm, the thickness of second layer thickest part is 2.5nm, and the thickness of third layer thickest part is 105.43nm, the 4th layer of most thick portion
The thickness of position is 5.79nm, and the thickness of layer 5 thickest part is 101.44nm.
A kind of 8. reinforcement tempering filter according to claim 5, it is characterised in that：When film layer (120) is attached only to substrate
(110) when single side surface and total number of plies of dielectric layer and metallic diaphragm is 7 layers, the thickness of first layer thickest part is
20nm, the thickness of second layer thickest part is 3.85nm, and the thickness of third layer thickest part is 88.27nm, the 4th layer of most thick portion
The thickness of position is 3.9nm, and the thickness of layer 5 thickest part is 79.04nm, and the thickness of layer 6 thickest part is 7.6nm, the
The thickness of seven layers of thickest part is 77.19nm.
A kind of 9. reinforcement tempering filter according to claim 5, it is characterised in that：When film layer (120) while it is attached to base
During the both side surface of piece (110), the thickness of the metallic diaphragm in both sides film layer (120) is when film layer (120) is attached only to substrate
(110) half of corresponding thickness during single side surface, the thickness of dielectric layer is with being attached only to substrate when film layer (120)
(110) corresponding consistency of thickness during single side surface.
A kind of 10. reinforcement tempering filter according to claim 5, it is characterised in that：When film layer (120) while it is attached to base
During the both side surface of piece (110), the thickness of substrate (110) both sides film layer (120) is showed symmetrical centered on substrate (110)
Structure distribution.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107526127A (en) * | 2017-09-18 | 2017-12-29 | 江门市卡色光学有限公司 | One kind strengthens tempering filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107526127A (en) * | 2017-09-18 | 2017-12-29 | 江门市卡色光学有限公司 | One kind strengthens tempering filter |
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