CN113106403B - Coating method for inner curved surface of optical device - Google Patents
Coating method for inner curved surface of optical device Download PDFInfo
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- CN113106403B CN113106403B CN202010022664.3A CN202010022664A CN113106403B CN 113106403 B CN113106403 B CN 113106403B CN 202010022664 A CN202010022664 A CN 202010022664A CN 113106403 B CN113106403 B CN 113106403B
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- Prior art keywords
- optical device
- inner curved
- curved surface
- mold
- coating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/50—Substrate holders
- C23C14/505—Substrate holders for rotation of the substrates
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application discloses a method for coating an inner curved surface of an optical device, which comprises the steps of providing a soft substrate with a first surface and a second surface, and coating a film on the first surface; fixing the flexible substrate on the surface of a mold, the shape of which is matched with the inner curved surface of the optical device, wherein the first surface is in contact with the outer surface of the mold; inserting the mold into the inner curved surface of the optical device and bonding the flexible substrate and the inner curved surface of the optical device together; and taking out the mold. The coating method for the inner curved surface of the optical device can be used for coating the inner curved surface of the optical device to obtain a uniform, smooth and flat coating.
Description
Technical Field
The invention belongs to the technical field of manufacturing of optical devices, and particularly relates to a film coating method for an inner curved surface of an optical device.
Background
In current scientific research, the imaging device is mainly based on digital imaging technology, light beams passing through optical components are captured by a sensor, the sensor forms images, and human eyes perceive the displayed images. Some optical components are complex in structure, for example, some optical components have an inner curved surface structure, and the inner curved surface of the optical components is required to be uniform, flat and smooth, but due to structural limitation, polishing or direct coating of the inner curved surface of the optical components is difficult, sputtering and electroplating cannot be performed in the optical components, and uniform and smooth coatings cannot be obtained.
Disclosure of Invention
In order to solve the problems, the invention provides a film coating method for the inner curved surface of the optical device, which can coat the inner curved surface of the optical device to obtain a uniform, smooth and flat coating.
The invention provides a coating method for an inner curved surface of an optical device, which comprises the following steps:
providing a flexible substrate with a first surface and a second surface, and coating a film on the first surface;
fixing the flexible substrate on the surface of a mold, the shape of which is matched with the inner curved surface of the optical device, wherein the first surface is in contact with the outer surface of the mold;
inserting the mold into the inner curved surface of the optical device and bonding the flexible substrate and the inner curved surface of the optical device together;
and taking out the mold.
Preferably, in the method for coating an inner curved surface of an optical device, the first surface is coated by magnetron sputtering.
Preferably, in the method for plating an inner curved surface of an optical device, a metal film is plated on the first surface.
Preferably, in the method for plating an inner curved surface of an optical device, the metal thin film is a copper film.
Preferably, in the above method for plating an inner curved surface of an optical device, the inner curved surface of the optical device is made of copper.
Preferably, in the above method for coating an inner curved surface of an optical device, the inner curved surface of the optical device is a circular truncated cone having a trapezoidal cross section.
As can be seen from the above description, the method for coating the inner curved surface of the optical device provided by the present invention includes providing a flexible substrate having a first surface and a second surface, wherein the first surface is coated; fixing the flexible substrate on the surface of a mold, the shape of which is matched with the inner curved surface of the optical device, wherein the first surface is in contact with the outer surface of the mold; inserting the mold into the inner curved surface of the optical device and bonding the flexible substrate and the inner curved surface of the optical device together; and taking out the die, and fixing the flexible substrate with a smooth surface on the inner curved surface of the optical device after the die is taken out, so that the inner curved surface of the optical device can be coated with a film to obtain a uniform, smooth and flat coating.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a method for coating an inner curved surface of an optical device according to the present disclosure;
FIG. 2 is a schematic view of a first surface of a flexible substrate being coated with a film;
FIG. 3 is a schematic view of the soft substrate being held on the surface of the mold;
FIG. 4 is a schematic view of placing a mold into the inner curved surface of an optical device;
fig. 5 is a schematic view of the inner curved surface of the optic after removal of the mold.
Detailed Description
The core of the invention is to provide a coating method for the inner curved surface of the optical device, which can coat the inner curved surface of the optical device to obtain a uniform, smooth and flat coating.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of a method for coating an inner curved surface of an optical device provided by the present application is shown in fig. 1, where fig. 1 is a schematic diagram of the method for coating an inner curved surface of an optical device provided by the present application, and the method includes the following steps:
s1: providing a soft substrate with a first surface and a second surface, and coating a film on the first surface;
specifically, referring to fig. 2, fig. 2 is a schematic diagram of coating on the first surface of the flexible substrate, it can be seen that the left side of fig. 2 is the flexible substrate 1 which is easy to bend, and the right side is the flexible substrate 1 with the coating 2, it should be noted that only one-side coating is performed here, because only one smooth surface is needed to achieve the purpose of coating.
S2: fixing the flexible substrate on the surface of a mould, the shape of which is matched with the inner curved surface of the optical device, wherein the first surface is in contact with the outer surface of the mould;
specifically, referring to fig. 3, fig. 3 is a schematic view of fixing a flexible substrate on a mold surface, and as seen from the left side of fig. 3, the surface of the mold 3 may be surrounded by the flexible substrate having a coating film 2, the upper arrow represents that the flexible substrate is turned in the direction of the arrow to wrap the mold 3 from the upper portion, the lower arrow also represents that the flexible substrate is turned in the direction of the arrow to wrap the mold 3 from the lower portion, and the two edges of the flexible substrate finally meet in the middle until they contact with each other, so as to fully surround the mold 3 without leaving a gap, which may be sized in advance. The right side of the flexible substrate is the appearance of the mold after the flexible substrate is surrounded, and it should be noted that the first surface of the flexible substrate with the plated film is in contact with the outer surface of the mold, so that the first surface of the plated film becomes the surface of the inner curved surface of the optical device after the mold is removed in the subsequent step.
S3: inserting the mold into the inner curved surface of the optical device and bonding the flexible substrate and the inner curved surface of the optical device together;
specifically, referring to fig. 4, fig. 4 is a schematic diagram of placing a mold into the inner curved surface of the optical device, it can be seen from the upper diagram of fig. 4 that the mold 3 is inserted into the inner curved surface 4 of the optical device with a shape matching with the inner curved surface of the optical device, and it can be seen from the lower diagram of fig. 4 that the mold 3 has been inserted into the inner curved surface 4 of the optical device, and the mold 3 and the inner curved surface 4 of the optical device can be completely attached together by continuing to move forward.
S4: and (5) taking out the mold.
Specifically, referring to fig. 5, fig. 5 is a schematic diagram of the inner curved surface of the optical device after the mold is removed, it can be seen that the flexible substrate 1 is left inside the inner curved surface 4 of the optical device after the mold is removed, the plated film 2 on the first surface of the flexible substrate 1 becomes the surface of the inner curved surface 4 of the optical device, and thus the purpose of plating is achieved, and the flexible substrate 1 and the inner curved surface 4 of the optical device are bonded through the bonding interface, which is more firm.
As can be seen from the above description, in the embodiment of the method for coating an inner curved surface of an optical device provided by the present application, since the method includes providing a flexible substrate having a first surface and a second surface, the first surface is coated; fixing the soft substrate on the surface of a mold, the shape of which is matched with the inner curved surface of the optical device, wherein the first surface is in contact with the outer surface of the mold; inserting the mold into the inner curved surface of the optical device and bonding the flexible substrate and the inner curved surface of the optical device together; and (3) taking out the die, and fixing the flexible substrate with the smooth surface on the inner curved surface of the optical device after the die is taken out, so that the inner curved surface of the optical device can be coated with a film, and a uniform, smooth and flat coating can be obtained.
In a specific embodiment of the method for coating the inner curved surface of the optical device, the first surface may be coated by magnetron sputtering, which may produce a more uniform film, and the process is mature and the cost is lower.
In another embodiment of the method for coating the inner curved surface of the optical device, the first surface is coated with a metal film, and if the metal film is coated, the coating effect of the metal film and the inner curved surface of the optical device is better, so that the materials are more similar. Further, the metal thin film may be a copper film, and further, the inner curved surface of the optical device may be made of copper, so that the bonding effect is stronger if the inner curved surface is made of the same material, which is a preferable solution, and a thin film made of other materials, such as a gold film or a silver film, may be selected according to actual needs, and is not limited herein.
In another embodiment of the above method for coating the inner curved surface of the optical device, the inner curved surface 4 of the optical device is a truncated cone with a trapezoidal cross section, so that a better entering of a mold can be ensured, a better bonding effect is achieved, and a film is less prone to falling off.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A coating method for an inner curved surface of an optical device is characterized by comprising the following steps:
providing a flexible substrate with a first surface and a second surface, and coating a film on the first surface;
fixing the flexible substrate on the surface of a mold, the shape of which is matched with the inner curved surface of the optical device, wherein the first surface is in contact with the outer surface of the mold;
inserting the mold into the inner curved surface of the optical device and bonding the flexible substrate and the inner curved surface of the optical device together;
and taking out the mold.
2. The method of claim 1, wherein the first surface is coated by magnetron sputtering.
3. The method of claim 1, wherein the first surface is coated with a metal film.
4. The method of claim 3, wherein the metal thin film is a copper film.
5. The method as claimed in claim 1, wherein the inner curved surface of the optical device is made of copper.
6. The method for coating the inner curved surface of the optical device according to claim 1, wherein the inner curved surface of the optical device is in the shape of a truncated cone having a trapezoidal cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010022664.3A CN113106403B (en) | 2020-01-09 | 2020-01-09 | Coating method for inner curved surface of optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010022664.3A CN113106403B (en) | 2020-01-09 | 2020-01-09 | Coating method for inner curved surface of optical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113106403A CN113106403A (en) | 2021-07-13 |
| CN113106403B true CN113106403B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010022664.3A Active CN113106403B (en) | 2020-01-09 | 2020-01-09 | Coating method for inner curved surface of optical device |
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| Country | Link |
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| CN (1) | CN113106403B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201639711A (en) * | 2015-05-01 | 2016-11-16 | 廣州光寶移動電子部件有限公司 | Filming method and panel apparatus made thereof |
| CN106483588A (en) * | 2015-08-25 | 2017-03-08 | 硕彦光学有限公司 | Eyeglass pad pasting processing method |
| CN108802876A (en) * | 2018-06-12 | 2018-11-13 | 深圳市润海源通科技有限公司 | A kind of film plating process of Photospot solar module curved mirror |
| CN109571927A (en) * | 2018-11-30 | 2019-04-05 | Oppo（重庆）智能科技有限公司 | Method for adhering film and pad-pasting fixture |
| CN109704589A (en) * | 2019-01-26 | 2019-05-03 | 重庆两江联创电子有限公司 | A kind of method for adhering film of bend glass |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08190007A (en) * | 1995-01-09 | 1996-07-23 | Nisshin Koki Kk | Optical reflection mirror and its production |
| JP2001220153A (en) * | 2000-02-07 | 2001-08-14 | Minolta Co Ltd | Method of producing optical member, optical member produced by the method, and optical head using the optical member |
| US20070144700A1 (en) * | 2004-03-25 | 2007-06-28 | Sanyo Electric Co., Ltd. | Production method of curved-surface metal mold having fine uneven structure and production method of optical element using this metal mold |
-
2020
- 2020-01-09 CN CN202010022664.3A patent/CN113106403B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201639711A (en) * | 2015-05-01 | 2016-11-16 | 廣州光寶移動電子部件有限公司 | Filming method and panel apparatus made thereof |
| CN106483588A (en) * | 2015-08-25 | 2017-03-08 | 硕彦光学有限公司 | Eyeglass pad pasting processing method |
| CN108802876A (en) * | 2018-06-12 | 2018-11-13 | 深圳市润海源通科技有限公司 | A kind of film plating process of Photospot solar module curved mirror |
| CN109571927A (en) * | 2018-11-30 | 2019-04-05 | Oppo（重庆）智能科技有限公司 | Method for adhering film and pad-pasting fixture |
| CN109704589A (en) * | 2019-01-26 | 2019-05-03 | 重庆两江联创电子有限公司 | A kind of method for adhering film of bend glass |
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| Publication number | Publication date |
|---|---|
| CN113106403A (en) | 2021-07-13 |
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