CN218596279U - One-piece type toughened double-sided mirror coated glass - Google Patents
One-piece type toughened double-sided mirror coated glass Download PDFInfo
- Publication number
- CN218596279U CN218596279U CN202221003367.5U CN202221003367U CN218596279U CN 218596279 U CN218596279 U CN 218596279U CN 202221003367 U CN202221003367 U CN 202221003367U CN 218596279 U CN218596279 U CN 218596279U
- Authority
- CN
- China
- Prior art keywords
- dielectric layer
- layer
- double
- thickness
- coated glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model discloses a piece type temperable double-sided mirror coated glass, which comprises a glass substrate, a first dielectric layer, a second dielectric layer, a metal absorbing layer, a third dielectric layer and a fourth dielectric layer which are sequentially superposed; wherein the first dielectric layer and the fourth dielectric layer are Si 3 N 4 、AZO、TiO 2 、TiN、Nb 2 O 5 、ZrO 2 One or more of the above; the metal absorption layer is one or more of Cr, crNx, niCr, niCrOx or SST; the second dielectric layer and the third dielectric layer are both SiO 2 、SiNxOy、Al 2 O 3 、MgF 2 One or more of them. The utility model discloses can all be the mirror on the two sides behind the single face coating film and use, two-sided reflectivity all more than 75%, and rete hardness is high, and the firmness is good, can not fall the membrane through tempering high temperature treatment, and acid and alkali corrosion resistance is strong simultaneously, can expose for a long time in the air, does not need outmost protective coating of doing of rete also can not oxidize, and to a great extent has reduced the cost of manufacture of double sided mirror.
Description
Technical Field
The utility model relates to a coated glass field especially relates to a but piece formula tempering double sided mirror coated glass.
Background
In the field of architectural decoration, glass mirrors are a class of decorative materials that are very widely used. Mirrors can be classified into a single mirror and a double mirror. The single-piece mirror is commonly applied, can be used as a wall surface and a ceiling, and is also frequently used in spaces such as a hallway, a bathroom, a bedroom dressing table, a coat and hat room, a kungfu room and the like. The double-sided mirror is a mirror on both the front and back sides as the name implies, and is generally used in places such as beauty barbershops, movie buildings, television station dressing rooms and the like. Currently there are two main types of double mirrors: a double-sided mirror and a one-piece double-sided mirror.
The two-sided mirror is well understood as being two single-sided mirrors that are bonded back-to-back with an adhesive. However, the double-sided mirror made in this way is high in cost, generally thicker, and higher in requirement on the adhesive, and the two mirrors are separated due to aging of the adhesive after long-term use, so that the use is influenced.
The current market products of one-piece double-sided mirrors are mainly manufactured by uniformly vacuum plating a layer of opaque mirror surface metal film on a transparent acrylic plate and then coating a layer of transparent polymer protective film. However, acrylic mirrors have several disadvantages: 1) The acrylic mirror is not as hard as glass, has poor surface hardness, is easy to scratch, and can only reach the hardness of 4H even after a hardening process. 2) The acrylic mirror plate is not as rigid as glass and during normal use, some visual distortion may occur, which is more pronounced for larger mirror applications and which cannot be removed because of the inherent properties of the material. 3) The metal silver or aluminum electroplated on the acrylic mirror belongs to an easily oxidized material, the two metals can not be used independently, and 1 to 2 protective film layers are covered on the outermost layer.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a but piece formula tempering double mirror coated glass, its characteristics are: the reflectivity of the one-piece double-sided mirror is more than 75%, the definition of a reflecting object is high, the hardness of the film layer is high, the processability is good, the high-temperature tempering treatment can be carried out, the film layer does not contain silver, aluminum and other easily oxidized metals, and the one-piece double-sided mirror can be used in the air after being exposed for a long time.
The utility model discloses a realize like this, but a piece formula tempering double sided mirror coated glass, including the glass substrate, its characterized in that: the glass substrate is characterized by further comprising a first dielectric layer, a second dielectric layer, a metal absorption layer, a third dielectric layer and a fourth dielectric layer which are sequentially stacked on the surface of the glass substrate; wherein the first dielectric layer and the fourth dielectric layer are Si 3 N 4 、AZO、TiO 2 、TiN、Nb 2 O 5 、ZrO 2 One or more of the above; the metal absorption layer is one or more of Cr, crNx, niCr, niCrOx or SST; the second dielectric layer and the third dielectric layer are one or more of SiO2, siNxOy, al2O3 and MgF 2.
Preferably, the first dielectric layer is a high-refractive-index dielectric film layer, the refractive index is in the range of 2.0-2.7, and the thickness is 20 nm-80 nm.
Preferably, the second dielectric layer is a dielectric film layer with low refractive index, the refractive index range is 1.35-1.6, and the thickness is 50 nm-100 nm.
Preferably, the thickness of the metal absorption layer is 40nm to 70nm;
preferably, the second dielectric layer is a dielectric film layer with low refractive index, the refractive index range is 1.35-1.6, and the thickness is 50 nm-100 nm.
Preferably, the fourth dielectric layer is a high-refractive-index dielectric film layer, the refractive index range is 2.0-2.7, and the thickness is 30 nm-90 nm.
The utility model has the advantages and technological effect: because the utility model adopts the above technical scheme, have following advantage:
1. one-piece double-sided mirror: the effect of the double-sided mirror can be achieved by coating a film on a glass substrate, two pieces of single-sided mirror are not needed to be attached back to back, and the manufacturing cost is reduced.
2. The processing property is good, and high-temperature toughening treatment can be carried out: the utility model discloses in contain the rete that multilayer hardness is high, corrosion resistance is strong, whole rete hardness can reach 9H, is difficult for appearing fish tail wearing and tearing scheduling problem, and follow-up processing nature is strong, can do high temperature tempering and handle.
3. Can not oxidize and fall off the membrane, and has long service life: the utility model discloses in do not contain easy oxidation metal such as silver, aluminium, do not need outmost the protective coating of doing in the rete also can not oxidize, the rete firmness is good, can not take place because of phenomenons such as the rete drops that the oxidation caused, can expose for a long time and use in the air.
4. The reflectivity is high, and the definition is good: the utility model discloses two-sided reflectivity all is more than 75%, and the reflection object definition is high, and can not take place the distortion on shape and the color.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a third structure of the embodiment of the present invention;
fig. 5 is a schematic diagram of a fourth structure according to an embodiment of the present invention.
In the figure: 1. a glass substrate; 2. a first dielectric layer; 3. a second dielectric layer; 4. a metal absorption layer; 5. a third dielectric layer; 6. a fourth dielectric layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a piece of temperable double-sided mirror coated glass includes a glass substrate 1, and is characterized in that: the glass substrate is characterized by further comprising a first dielectric layer 2, a second dielectric layer 3, a metal absorption layer 4, a third dielectric layer 5 and a fourth dielectric layer 6 which are sequentially stacked on the surface of the glass substrate; wherein the first dielectric layer and the fourth dielectric layer are Si 3 N 4 、AZO、TiO 2 、TiN、Nb 2 O 5 、ZrO 2 One or more of the above; the metal absorption layer is one or more of Cr, crNx, niCr, niCrOx or SST; a second dielectric layer and a third dielectricThe layers are one or more of SiO2, siNxOy, al2O3 and MgF 2.
The metal absorption layer can improve the reflectivity of the reflector and reduce the visible light transmittance, and the thickness is preferably 40-70 nm, and more preferably 45-60 nm. If the thickness is outside the above range, the reflectance of the mirror may be reduced, and the visible light transmittance may be increased.
The first dielectric layer is a high refractive index dielectric film layer, and the refractive index can be in the range of 2.0-2.7.
The thickness of the first dielectric layer is preferably 20 to 80nm, and if the thickness is outside this range, the reflectance of the mirror may be reduced.
The second dielectric layer is a low-refractive-index dielectric film layer, the refractive index can be in the range of 1.35-1.6, and the thickness is preferably 50-100 nm.
The first dielectric layer and the second dielectric layer form a combined film layer of a high-refractive-index dielectric film and a low-refractive-index dielectric film which are alternately coated on the transparent substrate, and the glass surface reflectivity of the double-sided mirror can be improved due to the interference effect of light rays.
The third dielectric layer is a low-refractive-index dielectric film layer, the refractive index can be in the range of 1.35-1.6, and the thickness is preferably 50-100 nm.
The fourth dielectric layer is a high-refractive-index dielectric film layer, and the refractive index can be in the range of 2.0-2.7.
The thickness of the fourth dielectric layer is preferably 30 to 90nm, and if the thickness is outside this range, the reflectance of the mirror may be reduced.
By adopting the technical scheme, the double-sided mirror can achieve the effect of a double-sided mirror by coating a film on a glass substrate, and two single-sided mirrors do not need to be laminated back to back, so that the manufacturing cost is reduced; the utility model discloses in contain the rete that multilayer hardness is high, corrosion resistance is strong, whole rete hardness can reach 9H, is difficult for appearing fish tail wearing and tearing scheduling problem, and follow-up processing nature is strong, can do high temperature tempering and handle. The utility model discloses in do not contain easy oxidation metal such as silver, aluminium, need not outmost the protective coating of doing in the rete also can not oxidize, the rete firmness is good, can not take place because of phenomenons such as the rete drops that the oxidation caused, can expose for a long time and use in the air. The third dielectric layer and the fourth dielectric layer form a combined film layer of a low refractive index dielectric film and a high refractive index dielectric film which are alternately coated on the transparent substrate, and the film surface reflectivity of the double-sided mirror can be improved due to the interference effect of light; the reflectivity of both surfaces is above 75%, the definition of the reflecting object is high, and the distortion of the shape and the color can not occur.
To further illustrate the technical effects of the present invention, the following embodiments are specifically mentioned:
example one
The piece of toughened double-sided mirror coated glass shown in fig. 2 comprises a glass substrate, and a first dielectric layer, a second dielectric layer, a metal absorption layer, a third dielectric layer and a fourth dielectric layer which are sequentially stacked on the surface of the glass substrate; the transparent glass substrate is a 5mm mirror-level float glass sheet; the first dielectric layer is TiO 2 The second dielectric layer and the third dielectric layer are SiO 2 The metal absorption layer is Cr, the fourth dielectric layer is Nb 2 O 5 。
The thickness of the first dielectric layer is 40nm;
the thickness of the second dielectric layer is 85nm;
the thickness of the metal absorption layer is 50nm;
the thickness of the third dielectric layer is 75nm;
the thickness of the fourth dielectric layer is 50nm;
the first dielectric layer, the second dielectric layer, the metal absorption layer, the third dielectric layer and the fourth dielectric layer are sequentially deposited on the glass substrate in a magnetron sputtering mode.
And (3) performing reflectivity test on the piece of temperable double-sided mirror coated glass, wherein the reflectivity of the glass surface of the double-sided mirror coated glass is 76%, the reflectivity of the film surface is 85%, and the reflecting object is clear.
Example two
A one-piece temperable double-sided sheet as shown in fig. 3The mirror coated glass comprises a glass substrate, and a first dielectric layer, a second dielectric layer, a metal absorption layer, a third dielectric layer and a fourth dielectric layer which are sequentially stacked on the surface of the glass substrate. The transparent substrate is a 5mm mirror-level float sheet. The first dielectric layer is Nb 2 O 5 The second dielectric layer and the third dielectric layer are SiNxOy, the metal absorption layer is NiCr, and the fourth dielectric layer is ZrO 2 。
The thickness of the first dielectric layer is 52nm;
the thickness of the second dielectric layer is 70nm;
the thickness of the metal absorption layer is 45nm;
the thickness of the third dielectric layer is 60nm;
the thickness of the fourth dielectric layer is 60nm;
the first dielectric layer, the second dielectric layer, the metal absorption layer, the third dielectric layer and the fourth dielectric layer are sequentially deposited on the glass substrate in a magnetron sputtering mode.
And (3) performing reflectivity test on the piece of temperable double-sided mirror coated glass, wherein the reflectivity of the glass surface of the double-sided mirror coated glass is 75%, the reflectivity of the film surface is 83%, and a reflecting object is clear.
EXAMPLE III
As shown in fig. 4, the piece of double-sided mirror coated glass capable of being tempered comprises a glass substrate, and a first dielectric layer, a second dielectric layer, a metal absorption layer, a third dielectric layer and a fourth dielectric layer which are sequentially stacked on the surface of the glass substrate; the transparent substrate is a 5mm mirror-level float original sheet; the first dielectric layer is Si 3 N 4 The second dielectric layer and the third dielectric layer are SiNxOy, the metal absorption layer is NiCr, and the fourth dielectric layer is Si 3 N 4 。
The thickness of the first dielectric layer is 45nm;
the thickness of the second dielectric layer is 80nm;
the thickness of the metal absorption layer is 60nm;
the thickness of the third dielectric layer is 65nm;
the thickness of the fourth dielectric layer is 62nm;
the first dielectric layer, the second dielectric layer, the metal absorption layer, the third dielectric layer and the fourth dielectric layer are sequentially deposited on the glass substrate in a magnetron sputtering mode.
And (3) performing reflectivity test on the piece of temperable double-sided mirror coated glass, wherein the reflectivity of the glass surface of the double-sided mirror coated glass is 72%, the reflectivity of the film surface is 82%, and a reflecting object is clear.
Example four
As shown in fig. 5, the piece of double-sided mirror coated glass capable of being tempered comprises a glass substrate, and a first dielectric layer, a second dielectric layer, a metal absorption layer, a third dielectric layer and a fourth dielectric layer which are sequentially stacked on the surface of the glass substrate. The transparent substrate is a 5mm mirror-level float sheet. The first dielectric layer is Si 3 N 4 The second dielectric layer and the third dielectric layer are SiNxOy, the metal absorption layer is NiCr, and the fourth dielectric layer is Si 3 N 4 And ZrO 2 And (6) combining the film layers.
The thickness of the first dielectric layer is 50nm;
the thickness of the second dielectric layer is 75nm;
the thickness of the metal absorption layer is 55nm;
the thickness of the third dielectric layer is 70nm;
the fourth dielectric layer has a thickness of Si 3 N 4 45nm,ZrO 2 The thickness is 10nm;
the first dielectric layer, the second dielectric layer, the metal absorption layer, the third dielectric layer and the fourth dielectric layer are sequentially deposited on the glass substrate in a magnetron sputtering mode.
And (3) performing reflectivity test on the piece of temperable double-sided mirror coated glass, wherein the reflectivity of the glass surface of the double-sided mirror coated glass is 72%, the reflectivity of the film surface is 83%, and a reflecting object is clear.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a but one-piece tempering double mirror coated glass, includes the glass substrate, its characterized in that: the glass substrate is characterized by further comprising a first dielectric layer, a second dielectric layer, a metal absorption layer, a third dielectric layer and a fourth dielectric layer which are sequentially arranged on the surface of the glass substrate in an overlapping mode; wherein the first dielectric layer and the fourth dielectric layer are Si 3 N 4 、AZO、TiO 2 、TiN、Nb 2 O 5 、ZrO 2 One of (1); the metal absorption layer is one of Cr, crNx, niCr, niCrOx or SST; the second dielectric layer and the third dielectric layer are both one of SiO2, siNxOy, al2O3 and MgF 2.
2. The one-piece temperable double mirror coated glass of claim 1, wherein: the first dielectric layer is a dielectric film layer with high refractive index, the refractive index range is 2.0-2.7, and the thickness is 20 nm-80 nm.
3. The piece of temperable double-sided mirror coated glass according to claim 1, wherein: the second dielectric layer is a dielectric film layer with low refractive index, the refractive index range is 1.35-1.6, and the thickness is 50 nm-100 nm.
4. The one-piece temperable double mirror coated glass of claim 1, wherein: the thickness of the metal absorption layer is 40 nm-70 nm.
5. The piece of temperable double-sided mirror coated glass according to claim 1, wherein: the second dielectric layer is a dielectric film layer with low refractive index, the refractive index range is 1.35-1.6, and the thickness is 50 nm-100 nm.
6. The piece of temperable double-sided mirror coated glass according to claim 1, wherein: the fourth dielectric layer is a dielectric film layer with high refractive index, the refractive index range is 2.0-2.7, and the thickness is 30 nm-90 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221003367.5U CN218596279U (en) | 2022-04-26 | 2022-04-26 | One-piece type toughened double-sided mirror coated glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221003367.5U CN218596279U (en) | 2022-04-26 | 2022-04-26 | One-piece type toughened double-sided mirror coated glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218596279U true CN218596279U (en) | 2023-03-10 |
Family
ID=85395061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221003367.5U Active CN218596279U (en) | 2022-04-26 | 2022-04-26 | One-piece type toughened double-sided mirror coated glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218596279U (en) |
-
2022
- 2022-04-26 CN CN202221003367.5U patent/CN218596279U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5681100B2 (en) | Glazing provided with a laminate consisting of multiple thin layers | |
| TWI624520B (en) | Temperable three layer antireflective coating, coated article including temperable three layer antireflective coating, and/or method of making the same | |
| CN101830643B (en) | Double silver coating glass and manufacturing method thereof | |
| JP4739470B2 (en) | Glazing assembly comprising a substrate with a thin stack | |
| JP5851495B2 (en) | Solar control plate glass | |
| JP2005527452A (en) | Transparent substrate with anti-reflective coating with anti-wear properties | |
| JP2007505810A (en) | Transparent substrate with thin film laminate for electromagnetic shielding | |
| JPS63206333A (en) | Heat ray reflecting glass of single plate | |
| TW201305078A (en) | Triple-silver low radiation coating glass and manufacturing method thereof | |
| CN107663031A (en) | A kind of double silver-colored energy-saving glass for reducing light pollution and preparation method thereof | |
| CN109383083B (en) | Antireflection glass and preparation method thereof | |
| CN218596279U (en) | One-piece type toughened double-sided mirror coated glass | |
| CN107771167B (en) | Laminated glazing for solar control | |
| JPH10139491A (en) | Low reflecting dark gray glass | |
| CN110092594A (en) | Three silver coating glass of one kind and preparation method thereof | |
| US7947373B2 (en) | High luminance coated glass | |
| CN114853359A (en) | Method for manufacturing double-sided mirror coated glass | |
| CN211005131U (en) | Colorless single-silver low-emissivity coated glass | |
| CN207405087U (en) | A kind of double-sided coated glass for reducing light pollution and with its hollow glass | |
| JPS6042253A (en) | Heat-ray reflecting glass | |
| CN211972139U (en) | Low-emissivity glass | |
| CN110092593A (en) | A kind of double silver coating glass and preparation method thereof | |
| JPH01145351A (en) | Infrared shielding glass | |
| CN219117346U (en) | Toughened unidirectional coated glass | |
| CN109824277A (en) | A kind of superhard navy blue can temperable di-silver low-emissivity coated glass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |