CN105039917B - A kind of glass lens and preparation method thereof with sapphire surface layer - Google Patents
A kind of glass lens and preparation method thereof with sapphire surface layer Download PDFInfo
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- CN105039917B CN105039917B CN201510304004.3A CN201510304004A CN105039917B CN 105039917 B CN105039917 B CN 105039917B CN 201510304004 A CN201510304004 A CN 201510304004A CN 105039917 B CN105039917 B CN 105039917B
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Abstract
The invention discloses a kind of glass lens with sapphire surface layer, the glass lens with sapphire surface layer include glass lens and the sapphire thin film that is attached on the glass lens.The present invention also proposes a kind of preparation method of glass lens with sapphire surface layer, using metallic aluminium as target, using nitrogen as sputter gas, using glass lens as substrate, and the target is sputtered using oxygen as reaction gas to form sapphire thin film over the substrate, the sapphire thin film is aluminum oxide film.The present invention mainly realizes the feasibility and continuity of sapphire glass plated film, sapphire film is plated on common glass lens, both the surface hardness of glass had been enhanced, cost is greatly reduced again, the low limitation of sapphire eyeglass production capacity is also broken simultaneously, the production capacity of sapphire eyeglass substitute products can be greatly improved.The preparation method of glass lens with sapphire surface layer is simple.
Description
Technical field
The present invention relates to a kind of glass lens with sapphire surface layer, further relate to a kind of glass with sapphire surface layer
The preparation method of eyeglass.
Background technique
The high-end watch glass lens on existing market are all mostly sapphire eyeglasses at present, and cost is somewhat expensive, if adopted
It is but unable to reach hardness requirement with simple glass eyeglass, is easy to scratch.
There are also a kind of common strengthened glass in the market, but surface hardness is lower, is not able to satisfy client to glass hard (HRC65Yi Shang)
It is required that.
With reaching its maturity for the capacitance plates such as mobile phone, tablet computer market, processing technology is also being continuously updated and is mentioning
It is high.General production technology and the horizontal requirement for being far from satisfying client, Apple Inc. take the lead in being proposed with sapphire
There is sapphire panel for the touch screen panel and camera head protecting piece and Huawei's mobile phone of substrate.One listing sapphire glass is with it
The hardness of Mohs 9H is leading.But there is also price height, low output, the low several big disadvantages of transmitance simultaneously.
Summary of the invention
It is an object of the invention to propose a kind of glass lens with sapphire surface layer, solve in the prior art
Glass hard (HRC65Yi Shang) it is lower, and the problem that sapphire eyeglass is at high cost.Compensate for sapphire glass the above production capacity, price, hardness,
Defect existing in terms of transmitance.
Another object of the present invention be propose a kind of glass lens with sapphire surface layer preparation method it is simple.
In addition to using common glass and sapphire eyeglass, sapphire eyeglass effect can also be realized in a manner of plated film.With Vacuum Deposition
The mode of film PVD fast implements sapphire plated film.Reduce the cost of sapphire eyeglass application.Keep production method simple, reliably,
It can industrialization production.
The technical scheme of the present invention is realized as follows: a kind of glass lens with sapphire surface layer, described to have indigo plant
The glass lens on jewel surface layer include glass lens and the sapphire thin film that is attached on the glass lens.
A kind of preparation method of the glass lens with sapphire surface layer is sputtering gas with nitrogen using metallic aluminium as target
Body, using glass lens as substrate, and using oxygen as reaction gas, the target is sputtered to be formed over the substrate
Sapphire thin film, the sapphire thin film are aluminum oxide film, wherein control depositing temperature is 400~600 DEG C, deposition total pressure
It is 2%~6% for 0.8~3.0Pa, oxygen partial pressure.
Preferably, control depositing temperature is 400~500 DEG C.
Preferably, the oxygen partial pressure is 4%~6%.
Preferably, the target is the undoped high pure metal aluminium that purity is 99.99% or more.
Preferably, the oxygen purity is 99.99% or more, and the purity of the nitrogen is 99.99%.
The invention has the benefit that the present invention mainly realizes the feasibility and continuity of sapphire glass plated film,
Sapphire film is plated on common glass lens, has not only enhanced the surface hardness of glass, but also greatly reduce cost, while
The low limitation of sapphire eyeglass production capacity is broken, the production capacity of sapphire eyeglass substitute products can be greatly improved.With sapphire
The preparation method of the glass lens on surface layer is simple, can effectively avoid doping bring adverse effect, has been conducive to film to Gao Pin
Matter, high performance direction are developed.The present invention has the preparation method design technology of the glass lens on sapphire surface layer more advanced,
It is scientific and reasonable；Membrance casting condition is difficult, but technics comparing is stablized, can be with scale of mass production.Raw material are also more cheap；To the hard of factory
Part requires also not high；Reduce production cost.Glass lens with sapphire surface layer of the invention are mainly used in mobile phone screen.
Glass lens surface strength with sapphire surface layer of the invention is high, cost is relatively low, handling ease, and light transmittance is high.
Specific embodiment
For a better understanding of the invention, further specific elaboration is made to the present invention below by following embodiment, but not
It can be regarded as limitation of the invention, it is some nonessential according to made by foregoing invention content for those skilled in the art
It improves and adjusts, be also considered as and be within the scope of the present invention.
A kind of glass lens with sapphire surface layer, the glass lens with sapphire surface layer include glass lens
With the sapphire thin film being attached on the glass lens.
Embodiment 1
Glass lens 1 with sapphire surface layer the preparation method is as follows:
Using metallic aluminium as target, using nitrogen as sputter gas, using glass lens as substrate, and using oxygen as reaction gas
Body sputters the target to form sapphire thin film over the substrate, and the sapphire thin film is aluminum oxide film
Film, wherein control depositing temperature is 400 DEG C, deposition total pressure is 0.8Pa, oxygen partial pressure 2%.
The target is the undoped high pure metal aluminium that purity is 99.99%.
The oxygen purity is 99.99%, and the purity of the nitrogen is 99.99%.
Embodiment 2
The preparation method of glass lens 2 with sapphire surface layer, using metallic aluminium as target, using nitrogen as sputter gas,
Using glass lens as substrate, and using oxygen as reaction gas the target is sputtered to form blue treasured over the substrate
Stone film, the sapphire thin film are aluminum oxide film, wherein control depositing temperature is 600 DEG C, deposition total pressure be 3.0Pa,
Oxygen partial pressure is 6%.
The target is the undoped high pure metal aluminium that purity is 99.99%.
The oxygen purity is 99.99%, and the purity of the nitrogen is 99.99%.
Embodiment 3
The preparation method of glass lens 3 with sapphire surface layer, using metallic aluminium as target, using nitrogen as sputter gas,
Using glass lens as substrate, and using oxygen as reaction gas the target is sputtered to form blue treasured over the substrate
Stone film, the sapphire thin film are aluminum oxide film, wherein control depositing temperature is 500 DEG C, deposition total pressure be 2.0Pa,
Oxygen partial pressure is 4%.
The target is the undoped high pure metal aluminium that purity is 99.99%.
The oxygen purity is 99.99%, and the purity of the nitrogen is 99.99%.
The glass lens 1 with sapphire surface layer that are prepared, have indigo plant at the glass lens 2 with sapphire surface layer
The glass lens 3 on jewel surface layer had not only enhanced the surface hardness of glass, but also greatly reduced cost, while also having broken blue treasured
The low limitation of stone eyeglass production capacity, can greatly improve the production capacity of sapphire glass substitute products.
Sapphire thin film is formed on glass lens using the method for magnetron sputtering, solves the oxidation effectiveness of metallic aluminium,
Solve the existing forms of aluminium oxide, aluminium oxide has the hardness of 9H, hardly results in a general case, we pass through Vacuum Deposition
The mode of film can obtain.
It solves the condition of the film forming of plated film, the form for making aluminium oxide under the high temperature conditions is needed to be converted.
Requirement to raw material aluminium is also relatively high, not only requires purity, also requires density, while also wanting in coating process
Add nitrogen.So that the existing forms of aluminium oxide is had apparent change, forms nitrating aluminium oxide, increase the hardness of film forming.
The present invention has the preparation method design technology of the glass lens on sapphire surface layer more advanced, scientific and reasonable；At
Film condition is difficult, but technics comparing is stablized, can be with scale of mass production.Raw material are also more cheap；Also not to the hardware requirement of factory
It is high；Reduce production cost.
Inventor surveys common strengthened glass eyeglass, sapphire eyeglass, the glass lens 1 with sapphire surface layer
It tests, has test their surface strength, production cost, processing complexity, transmitance, test result such as following table one:
Table one
Test result shows that the glass lens surface strength with sapphire surface layer of the invention is high, cost is relatively low, processing
It is easy, light transmittance is high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of glass lens with sapphire surface layer, it is characterised in that: the glass lens packet with sapphire surface layer
The sapphire thin film for including glass lens and being attached on the glass lens；Using metallic aluminium as target, using nitrogen as sputter gas,
Using glass lens as substrate, and using oxygen as reaction gas, the target is sputtered to form indigo plant over the substrate
Jewel film, the sapphire thin film are aluminum oxide film, wherein control depositing temperature is 400~600 DEG C, deposition total pressure is
0.8~3.0Pa, oxygen partial pressure are 2%~6%.
2. the preparation method of the glass lens with sapphire surface layer as described in claim 1, it is characterised in that: control deposition
Temperature is 400~500 DEG C.
3. the preparation method of the glass lens with sapphire surface layer as described in claim 1, it is characterised in that: the oxygen
Partial pressure is 4%~6%.
4. the preparation method of the glass lens with sapphire surface layer as described in claim 1, it is characterised in that: the target
The undoped high pure metal aluminium for being 99.99% or more for purity.
5. the preparation method of the glass lens with sapphire surface layer as described in claim 1-4 is any, it is characterised in that: institute
Stating oxygen purity is 99.99% or more, and the purity of the nitrogen is 99.99%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510304004.3A CN105039917B (en) | 2015-06-05 | 2015-06-05 | A kind of glass lens and preparation method thereof with sapphire surface layer |
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| CN201510304004.3A CN105039917B (en) | 2015-06-05 | 2015-06-05 | A kind of glass lens and preparation method thereof with sapphire surface layer |
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| CN105039917A CN105039917A (en) | 2015-11-11 |
| CN105039917B true CN105039917B (en) | 2018-12-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105955559A (en) * | 2016-04-28 | 2016-09-21 | 黄小卫 | Reinforcing structure reinforced sapphire substrate and preparation method thereof |
| CN109312447B (en) * | 2016-05-19 | 2020-12-29 | 浸大科研发展有限公司 | Sapphire thin film coated substrate |
| CN107653444A (en) * | 2017-08-02 | 2018-02-02 | 江西沃格光电股份有限公司 | Stiffened composite plate and preparation method thereof and electronic equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140272345A1 (en) * | 2013-03-15 | 2014-09-18 | Rubicon Technology, Inc. | Method of growing aluminum oxide onto substrates by use of an aluminum source in an environment containing partial pressure of oxygen to create transparent, scratch-resistant windows |
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- 2015-06-05 CN CN201510304004.3A patent/CN105039917B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140272345A1 (en) * | 2013-03-15 | 2014-09-18 | Rubicon Technology, Inc. | Method of growing aluminum oxide onto substrates by use of an aluminum source in an environment containing partial pressure of oxygen to create transparent, scratch-resistant windows |
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