CN206657120U - Colorful film - Google Patents
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- CN206657120U CN206657120U CN201720460782.6U CN201720460782U CN206657120U CN 206657120 U CN206657120 U CN 206657120U CN 201720460782 U CN201720460782 U CN 201720460782U CN 206657120 U CN206657120 U CN 206657120U
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Abstract
The utility model discloses colorful film.Colorful film of the present utility model, including at least one first coating and at least one second electrodeposited coating, first coating and the second coating alternate intervals it is superimposed, the refractive index of first coating and the second coating is different, so visible ray is caused to reflect to form multiple coherent lights by multiple reflections between the first coating and the second coating, so improve the reflectivity of light so that interference figure becomes apparent from substantially, which thereby enhancing the decorative effect of colorful film.
Description
Technical field
The technical field of ornament materials is the utility model is related to, in particular to colorful film.
Background technology
In order to strengthen the decorative effect of clock and watch ornaments, to improve its apparent visual effect, it will usually plated on its surface
Upper colorful film.Colorful film is to observe from different angles and the color film of different colors is presented.
In the prior art, colorful film has relatively low reflectivity so as to cause to reflect formed interference by its surface of light
Pattern is not obvious enough, reduces the decorative effect of colorful film.
Utility model content
In view of this, the purpose of the utility model embodiment is to provide a kind of colorful film, and the colorful film can improve visible
The reflection interference effect of light.
A kind of colorful film, including at least one can reflect the first coating of visible ray and at least one and can reflect the second of visible ray
Coating, first coating and the second coating alternate intervals it is superimposed, the refractive index of first coating is more than the second coating
Refractive index.
Further, first coating and the second coating are PVD coating.
Further, the refractive index of first coating is 1.8~2.5.
Further, the refractive index of second coating is 1.3~1.6.
Further, first coating be titanium dioxide layer, titanium dioxide zirconium layer, tantalum pentoxide layer, niobium pentoxide layer or
Hafnium oxide layer.
Further, second coating is silicon dioxide layer.
Further, the thickness all same of first coating and the second coating and be the 1/4 of visible wavelength.
Further, the thickness of the first coating differs described in multilayer, the not phase of the thickness of the second coating described in multilayer
Together, the thickness of the first coating and the second coating is non-for the 1/4 of visible wavelength.
Further, the thickness of second coating is 70~120nm.
Further, the thickness of first coating is 50~100nm.
Colorful film of the present utility model, including at least one first coating and at least one second electrodeposited coating, the first coating and
Two coating alternate intervals it is superimposed, the refractive index of the first coating and the second coating is different, so that visible ray is in the first coating
And second reflect to form multiple coherent lights between coating by multiple reflections, the reflectivity of light is so improved so that interference
Pattern becomes apparent from substantially, which thereby enhancing the decorative effect of colorful film.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it should be understood that, the following drawings illustrate only some implementations of colorful film of the present utility model
Example, therefore the restriction to scope is not construed as, for those of ordinary skill in the art, do not paying creative work
On the premise of, other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation for the colorful film that the utility model embodiment is provided.
Main element symbol description：
100-colorful film；20-the first coating；30-the second coating.
Embodiment
For the ease of understanding the utility model, colorful film is described more fully below with reference to relevant drawings.It is attached
The preferred embodiment of colorful film is given in figure.But colorful film can be realized in many different forms, however it is not limited to this
Embodiment described by text.On the contrary, the purpose for providing these embodiments is to make the disclosure to colorful film more thorough complete
Face.
The term used in the various embodiments of the disclosure is only used for describing the purpose of specific embodiment and not anticipated
In the various embodiments of the limitation disclosure.As used herein, singulative is intended to also include plural form, unless context is clear
Chu it is indicated otherwise.Unless otherwise defined, all terms (including the technical term and scientific terminology) tool being otherwise used herein
There is the implication identical implication that the various embodiment one skilled in the art with the disclosure are generally understood that.The term
(term such as limited in the dictionary typically used) is to be interpreted as having and the situational meaning in correlative technology field
Identical implication and the implication with Utopian implication or overly formal will be not construed as, unless in the various of the disclosure
It is clearly defined in embodiment.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on
Orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
Limitation of the present utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
In description of the present utility model, unless otherwise prescribed with restriction, it is necessary to explanation, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be mechanical connection or the company of electrical connection or two element internals
It is logical, can be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
The statement (" first ", " second " etc.) used in various embodiments disclosed herein can be modified in various realities
The various element in example are applied, but respective sets can not be limited into element.For example, presented above be not intended to limit the element
Order and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user
Device and second user device instruction different user device, although the two is all user's set.For example, the disclosure is not being departed from
In the case of the scope of various embodiments, the first element is referred to alternatively as the second element, and similarly, the second element is also referred to as
One element.
It should be noted that：, can be by the first composition member if an element ' attach ' to another element by description
Part is directly connected to the second element, and " connection " the 3rd can be formed between the first element and the second element
Element.On the contrary, when an element " being directly connected to " is arrived into another element, it will be appreciated that be in the first element
And second be not present the 3rd element between element.
In addition, indefinite article " one kind " before this paper key elements or component and "one" to key element or the quantitative requirement of component
(i.e. occurrence number) unrestriction.Therefore "one" or " one kind " should be read as including one or at least one, and odd number
The key element or component of form also include plural form, unless the obvious purport of the quantity refers to singulative.
Refer to Fig. 1.The colorful film 100 of the utility model embodiment, including at least one can reflect visible ray first plating
Layer 20 and at least one can reflect the second coating 30 of visible ray, fold to the alternate intervals of 20 and second coating of the first coating 30
Add, the refractive index of first coating 20 is more than the refractive index of the second coating 30.
Above-mentioned " superposition is set " uses one it is appreciated that referring to multiple objects (such as film etc.) with Rotating fields
Fit in the stack manner on another one surface.So that A, B, C, D are sequentially overlapped setting as an example, refer to that an A surface sets B, B
Surface sets C, C surface to set D, i.e., according to a direction (such as from top to bottom), A, B, C, D are arranged in order.
Above-mentioned alternate intervals refer to A-B-A-B-A-... arrangement mode.More it is preferred that A is herein
First coating, B are the second coating.
The characteristic of visible ray can be reflected possessed by first coating 20 and the second coating 30, the visible ray of incidence can be caused
Respectively in the first coating 20 and the second coating 30 through reflecting to form film interference.The wavelength of visible ray is 400~760nm.Commonly
Molecule or atom in the internal a large amount of vibrations of the light source such as sun, incandescent lamp is independent of one another, each direction of vibration for having oneself by oneself, shakes
Width and luminous initial time.Each atom vibrates sent light wave and there was only a short row each time, and the duration is about
10-8Second.It is generally observed that light be all a large amount of molecules or atomic vibration radiate in light source result, and do not observe
It fluctuates the feature that can be showed in communication process as a kind of --- interference, diffraction and phenomena such as polarize.This be because
To realize that the interference of light needs condition, i.e., the two row light waves that only frequency is identical, constant phase difference, direction of vibration are consistent are
Coherent light waves, such two train wave is radiated in same point, superposed on one another, produce stable interference offset (generation shadow) or
Person, which interferes, strengthens (produce simple can be added stronger hot spot than two-beam) image, be only it is observed that the interference of light show
As.Film interference refers to that the visible ray of incidence obtains light beam after being reflected in film upper surface, and refraction light is anti-through film lower surface
Penetrate, but after upper surface reflects the second beam light, this two-beam are separated by same incident vibration, are relevant in the homonymy of film
Light.
In the utility model, the first coating 20 is different with the refractive index of the second coating 30, compared to single thin film interference
Speech, so may be such that incidence visible ray reflected between the first coating 20 and the second coating 30 by multiple reflections to be formed it is multiple
The coherent light of (two that are more than single thin film).So that the first coating 20 and the second coating 30 respectively only have one layer as an example, specifically,
Incident light carries out reflecting to form light beam in the upper surface of the first coating 20, is being plated after the refraction of the first coating 20 first
The lower surface of layer 20 is reflected and finally is emitted to form the second beam light from the upper surface of the first coating 20, successively through the first coating
20th, the three-beam for reflecting from the lower surface of the second coating 30 and being finally emitted after the refraction of the second coating 30, thus can be produced more
In the coherent light of single thin film interference.It is understood that it is more than one layer of feelings in the number of plies of the first coating 20 and the second coating 30
Under condition, caused coherent light becomes more.So as to so enhance interference effect so that substantially, thus interference figure becomes apparent from
Improve the decorative effect of colorful film 100.
The refractive index of first coating 20 can be 1.8~2.5, preferably 2.0 or 2.4.Herein, refractive index refers to relative roll over
Penetrate rate.
The material of first coating 20 can include titanium dioxide (refractive index 2.4) or zirconium dioxide (refractive index 2.0)
Deng.Except this, the material of the first coating 20 can also be tantalum pentoxide, niobium pentoxide or hafnium oxide etc..
The refractive index of second coating 30 is preferably 1.3~1.6.The material of second coating 30 can be silica (refractive index
For 1.46) layer.
It can not misread, in the case where the first coating 20 and the second coating 30 are multilayer, the thickness of the first coating 20
Degree can be with identical, and the thickness of all second coating 30 can be with identical.Certainly, the thickness of all first coating 20 can be with
Incomplete same, the thickness of all second coating 30 can be with incomplete same.
Specifically, the thickness all same of the first coating 20 and the second coating 30 and be the 1/4 of visible wavelength.This
Place, it is seen that the color that the wavelength of light is presented as needed is selected.
As another embodiment, the thickness of the first coating 20 and the second coating 30 is non-for the 1/4 of visible wavelength,
The thickness of the first coating of multilayer 20 differs, and the thickness of the second coating of multilayer 30 differs.
The number of plies of first coating 20 and the second coating 30 can be preferably 3~9 layers.
The thickness of first coating 20 can be 70~1200nm.The thickness of second coating 30 can be 50~120nm.
" plating " refers to deposition in first coating 20 and the second coating 30, and its mode plated can be chemical plating, PVD, PECVD
Deng preferably PVD.
Herein, PVD refers to physical vapour deposition (PVD), refers to realize that material shifts using physical process, by atom or molecule by
Source is transferred to the process on substrate surface.Its effect be can make it is some have specific characteristics can (intensity height, wearability, thermal diffusivity,
Rotproofness etc.) particulate be sprayed on the relatively low parent of performance so that parent has better performance.
PVD can be evaporated in vacuo, sputtering, ion plating (hallow cathode deposition, HCD, hot cathode ion plating, arc ion plating,
Activated reactive evaporation, RF ion plating, direct-current discharge ion plating), preferably magnetron sputtering.
Herein, magnetron sputtering refers to increase a magnetic confining field parallel to target surface in diode sputtering, by means of target
The crossed electric and magnetic field formed on surface, secondary electron is strapped in target surface specific region to strengthen ionizing efficiency, increases ion
Density and energy, so as to realize the process of high-speed sputtering.The operation principle of magnetron sputtering refers to effect of the electronics in electric field E
Under, collided during substrate is flown to ar atmo, its ionization is produced Ar cations and new electronics；New electronics flies
To substrate, Ar ions accelerate to fly to cathode target under electric field action, and with high-energy bombardment target surface, sputter target.
In sputtering particle, neutral target atom or molecule deposition form film on substrate, and caused secondary electron can be by electricity
Field and magnetic fields, produce the signified direction drifts of E (electric field) × B (magnetic field), abbreviation E × B drifts, and its movement locus is similar to
One cycloid.If toroidal magnetic field, then electronics is just moved in a circle in the form of approximate cycloid on target surface, their motion path
It is not only very long, and be bound in the heating region on target surface, and substantial amounts of Ar is ionized out in this region
To bombard target, it is achieved thereby that high sedimentation rate.With the increase of collision frequency, the energy expenditure of secondary electron totally,
Target surface is gradually distance from, and is eventually deposited in the presence of electric field E on substrate.Because the energy of the electronics is very low, pass to
The energy very little of substrate, cause substrate temperature rise relatively low.
The acquisition of the coating 30 of first coating 20 and second of the present utility model is preferably that intermediate frequency dual AC power twin target magnetic control splashes
Penetrate.Here, intermediate frequency dual AC power twin-target sputtering is the twin target magnetic turned using intermediate frequency power supply and the target of dual AC power mode
Control sputtering.Twin-target sputtering refers to splash the magnetic control that two-way alternating voltage is put on two adjacent targets of magnetron sputtering
Penetrate.Intermediate frequency twin target sputtering technology has following effect：1) there is high sedimentation rate.When target power density is direct current during mid frequency sputtering
Three times in the case of can obtain ten times of sedimentation rate；2) defect is low in film.Due to eliminating defect ratio in spark phenomenon film
Low several orders of magnitude during d.c. sputtering；3) film internal stress is low, strong with basal body binding force.The original of matrix is reached during due to mid frequency sputtering
Sub- energy is higher than d.c. sputtering, therefore matrix temperature rise during deposition, the film of formation are finer and close；4) connection is simple.During mid frequency sputtering
It is easy that the connection of power supply and target sputters than radio frequency (13.56MHz), and the latter needs complicated impedance matching.
A kind of specific implementation form of intermediate frequency dual AC power twin-target sputtering can be included：Intermediate frequency dual AC power twin target magnetic
Controlling sputtering can use mode of operation well known in the art to carry out, preferably, using Ti and Si targets as intermediate frequency twin target, during film forming
For target current in 16~24A, film formation time is different and different according to thicknesses of layers, is referring to property 40~60min.
The base material of first coating 20 and the second coating 30 can be that glass material etc. is not construed as limiting.In order to improve the first coating
20 and second coating 30 with base material adhesion, can use Vacuum Arc source to base material pre-process.Vacuum Arc source is to the pre- place of base material
Reason refers to that produce the very strong metal ion of energy using low-voltage, the electric discharge of the electric arc target of high current under vacuum enters to base material
Row bombardment, changes substrate surface pattern.
In order to further improve the adhesion of the first coating 20 and the second coating 30 with base material, base material can be carried out with arc
Source vacuum ionic cleaning.The vacuum ionic cleaning of arc source is to use high-energy metals ion caused by arc source (metal targets).
Embodiment 1
Using glass as base material, it is 1 from that layer of numbering near base material, the number of plies is numbered successively.
Embodiment 2
Using glass as base material, it is 1 from that layer of numbering near base material, the number of plies is numbered successively.
Embodiment 3
Using glass as base material, it is 1 from that layer of numbering near base material, the number of plies is numbered successively.
| Level number | Coating material | Refractive index | Thickness (nm) |
| 1 | Zirconium dioxide | 2.4 | 98 |
| 2 | Silica | 1.46 | 159 |
| 3 | Zirconium dioxide | 2.4 | 195 |
| 4 | Silica | 1.46 | 182 |
| 5 | Zirconium dioxide | 2.4 | 190 |
| 6 | Silica | 1.46 | 204 |
| 7 | Zirconium dioxide | 2.4 | 223 |
Colorful film of the present utility model has the advantage that：
1：The colorful film of repeatable technique is realized, is to utilize optical phase principle, using optical interference film technology.For this
Accurate monitoring (every layer of optics is carried out for the optical thickness (i.e. refractive index and physical thickness) of each layer of optical thin film of film group
Thickness error<10 nanometers).
2:Film layer densification, firm adhesion, rub resistance, corrosion resistant are caused using intermediate frequency dual AC power twin-target sputtering technology
Lose (salt spray resistance, artificial perspiration>48 hours).Physical and chemical stability is good.
Intermediate frequency dual AC power twin-target sputtering：The twin Ti and Si targets of two pairs of intermediate frequencies are used, turns target mode and uses double back
Turn, target current during film forming in 16~24A, film forming temperature at 90~130 DEG C, film formation time according to thicknesses of layers difference without
Together, probably in 40~60min.
3：Vacuum ionic cleaning is carried out to workpiece surface using arc source, ensures that the activation on surface causes the attachment of illusion-colour film layer
Power is superpower.
4：Optical thin film requires that material has absorption as small as possible, and the overwhelming majority is metal oxide.Metal oxide
Internal stress is larger, and film hardness falls far short than nitride, carbide (such as titanium nitride, chromium nitride, tungsten carbide, chromium carbide).
The stress of the inside of colorful film of the present utility model carries out test analysis, is preferably minimized the internal stress of film layer and ensure that oxide
The hardness and firmness of optical thin film.
It is above-mentioned not address part, suitable for prior art.
Although above it is more used represent structure term, such as " the first coating ", " the second coating ", etc., not
Exclude the possibility using other terms.It is of the present utility model just for the sake of more easily describing and explaining using these terms
Essence；Any additional limitation is construed as all to disagree with the utility model spirit.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be described with power
The protection domain that profit requires is defined.
Claims (10)
1. a kind of colorful film, it is characterised in that can be reflected including at least one the first coating that can reflect visible ray and at least one can
See the second coating of light, be superimposed to first coating and the second coating alternate intervals, the refractive index of first coating is more than
The refractive index of second coating.
2. colorful film according to claim 1, it is characterised in that first coating and the second coating are PVD coating.
3. colorful film according to claim 1, it is characterised in that the refractive index of first coating is 1.8~2.5.
4. colorful film according to claim 1, it is characterised in that the refractive index of second coating is 1.3~1.6.
5. colorful film according to claim 1, it is characterised in that first coating is titanium dioxide layer, zirconium dioxide
Layer, tantalum pentoxide layer, niobium pentoxide layer or hafnium oxide layer.
6. colorful film according to claim 1, it is characterised in that second coating is silicon dioxide layer.
7. colorful film according to claim 1, it is characterised in that the thickness all same of first coating and the second coating
And it is the 1/4 of visible wavelength.
8. colorful film according to claim 1, it is characterised in that the thickness of the first coating differs described in multilayer, more
The thickness of layer second coating differs, and the thickness of the first coating and the second coating is non-for the 1/4 of visible wavelength.
9. colorful film according to claim 7, it is characterised in that the thickness of second coating is 70~120nm.
10. colorful film according to claim 7, it is characterised in that the thickness of first coating is 50~100nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460782.6U CN206657120U (en) | 2017-04-27 | 2017-04-27 | Colorful film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460782.6U CN206657120U (en) | 2017-04-27 | 2017-04-27 | Colorful film |
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| Publication Number | Publication Date |
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| CN206657120U true CN206657120U (en) | 2017-11-21 |
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| CN201720460782.6U Active CN206657120U (en) | 2017-04-27 | 2017-04-27 | Colorful film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873064A (en) * | 2017-04-27 | 2017-06-20 | 深圳金曜来科技有限公司 | Colorful film |
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2017
- 2017-04-27 CN CN201720460782.6U patent/CN206657120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873064A (en) * | 2017-04-27 | 2017-06-20 | 深圳金曜来科技有限公司 | Colorful film |
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