CN109676532A - A kind of ground glass substrate of pattern gradual change and preparation method thereof - Google Patents
A kind of ground glass substrate of pattern gradual change and preparation method thereof Download PDFInfo
- Publication number
- CN109676532A CN109676532A CN201910168222.7A CN201910168222A CN109676532A CN 109676532 A CN109676532 A CN 109676532A CN 201910168222 A CN201910168222 A CN 201910168222A CN 109676532 A CN109676532 A CN 109676532A
- Authority
- CN
- China
- Prior art keywords
- glass substrate
- gradual change
- protective film
- ground glass
- pattern
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/06—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for producing matt surfaces, e.g. on plastic materials, on glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
Abstract
The invention discloses ground glass substrates of a kind of pattern gradual change and preparation method thereof; multiple protective films in pattern gradual change are formed on the surface that glass substrate needs to carry out frosted processing; then there is one side surface of protective film to carry out blasting treatment glass substrate; finally removal protective film obtains the ground glass substrate of pattern gradual change; compared to the method for existing heating rear mold pressure; technical solution provided by the invention is lower to the intensity effect of glass substrate, improves product yield.
Description
Technical field
The present invention relates to ground glass matrix technique fields, more specifically, are related to a kind of frosted glass of pattern gradual change
Glass substrate and preparation method thereof.
Background technique
The rear cover of many mobile phones is made using metal material at present, although feel is fine, can not be overcome there are some
The shortcomings that: first, metal can generate shielding to mobile phone signal, this just not can avoid needs design injection molding antenna in metal back cover
Band, to ensure normal communication, this will have an impact the integraty of rear cover；Second, metal material hardness is low, not wear-resisting, uses
Family is easy to cause to scratch to metal surface in use, influences beauty.Relative to metal, glass material will not produce signal
Raw shielding, and ground glass can effectively avoid fingerprint residues when in use, while ground glass is not easy to be scratched when in use,
Instantly, communication speed is required to be getting faster, the use of ground glass material has a wide prospect, and the frosted of fade effect
Glass can bring more imagination spaces to the design of product.And currently, the ground glass of production fade effect is adopted mostly
With the method for heating rear mold pressure, this method is easy to deform glass itself, and yields is lower.How to solve with pattern gradually
Become the low problem of the processing and fabricating yields of the ground glass of effect, it has also become those skilled in the art's technology urgently to be resolved is difficult
Topic.
Summary of the invention
In view of this, the present invention provides ground glass substrates of a kind of pattern gradual change and preparation method thereof, in glass base
Plate needs to carry out to be formed multiple protective films in pattern gradual change on the surface of frosted processing, then has protective film to glass substrate
One side surface carries out blasting treatment, finally removes protective film and obtains the ground glass substrate of pattern gradual change, compared to existing heating
The method of rear mold pressure, technical solution provided by the invention is lower to the intensity effect of glass substrate, improves product yield.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of production method of the ground glass substrate of pattern gradual change, comprising:
One glass substrate is provided；
Multiple protective films in pattern gradual change are formed on one surface of glass substrate；
There is one side surface of protective film to carry out blasting treatment the glass substrate；
Remove the protective film.
Optionally, the multiple protective films being arranged in array are formed on one surface of glass substrate, comprising:
There is provided a mask plate, wherein the mask plate includes multiple vacancy sections in pattern gradual change；
The mask plate and the glass substrate are oppositely arranged, plated through the vacancy section in the glass baseplate surface
The multiple protective films arranged in array.
Optionally, the multiple protective films being arranged in array are formed on one surface of glass substrate, comprising:
Mask layer is formed on one surface of glass substrate；
The mask layer is handled using photoetching process, it is multiple in pattern gradual change to be formed on one surface of glass substrate
Protective film.
Optionally, the protective film is TiO2Protective film.
Optionally, the thickness range of the protective film is 10nm~1000nm, including endpoint value.
Optionally, multiple protective films in pattern gradual change are as follows:
The multiple protective film is arranged in array, wherein and it is identical with the size of the protective film of a line, and same row
The size of the protective film is by default regular gradual change.
Optionally, the size of the protective film of same row is by default regular gradual change are as follows:
The multiple protective films being arranged in array include the first row protective film to Nth row protective film, and N is the integer not less than 2,
Wherein, along the first row protective film to Nth row protective film direction, the size of the protective film of same row is gradually increased or reduces.
Optionally, the protective film is round, rectangular or diamond shape.
Optionally, the protective film is circle；
Wherein, identical with the distance of center circle of two protective films of arbitrary neighborhood in a line and same row.
Correspondingly, the present invention also provides a kind of ground glass substrate of pattern gradual change, the frosted glass of the pattern gradual change
Glass substrate is made using the production method of the ground glass substrate of above-mentioned pattern gradual change.
Compared to the prior art, technical solution provided by the invention has at least the following advantages:
The present invention provides ground glass substrates of a kind of pattern gradual change and preparation method thereof, need to carry out in glass substrate
Frosted processing surface on formed be in pattern gradual change multiple protective films, then to glass substrate have one side surface of protective film into
Row blasting treatment finally removes protective film and obtains the ground glass substrate of pattern gradual change, presses compared to existing heating rear mold
Method, technical solution provided by the invention is lower to the intensity effect of glass substrate, improves product yield.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the production method of the ground glass substrate of pattern gradual change provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of multiple protective films in pattern gradual change provided by the embodiments of the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, the rear cover of many mobile phones is made using metal material at present, although feel is fine,
There are some the shortcomings that can not overcoming: first, metal can generate shielding to mobile phone signal, this just not can avoid needs after metal
Design injection molding aerial band is covered, to ensure normal communication, this will have an impact the integraty of rear cover；Second, metal material
Hardness is low, not wear-resisting, and user is easy to cause to scratch to metal surface in use, influences beauty.Relative to metal, glass
Material will not generate shielding to signal, and ground glass can effectively avoid fingerprint residues when in use, while ground glass exists
Be not easy to be scratched when use, instantly, to communication speed require be getting faster, the use of ground glass material have it is wide before
Scape, and the ground glass of fade effect can bring more imagination spaces to the design of product.And currently, production gradual change effect
The method that the ground glass of fruit mostly uses greatly heating rear mold pressure, this method are easy to deform glass itself, and yields is lower.
How to solve the problems, such as to have the processing and fabricating yields of the ground glass of pattern fade effect low, it has also become those skilled in the art
Member's technical problem urgently to be resolved.
Based on this, the embodiment of the present application provides a kind of ground glass substrate and preparation method thereof of pattern gradual change, in glass
Glass substrate needs to carry out to be formed multiple protective films in pattern gradual change on the surface of frosted processing, then has to glass substrate and protects
One side surface of cuticula carries out blasting treatment, finally removes protective film and obtains the ground glass substrate of pattern gradual change, compared to existing
The method for heating rear mold pressure, technical solution provided by the embodiments of the present application is lower to the intensity effect of glass substrate, improves
Product yield.To achieve the above object, technical solution provided by the embodiments of the present application is as follows, specifically combines Fig. 1 and Fig. 2 to this
The technical solution that application embodiment provides is described in detail.
Refering to what is shown in Fig. 1, being a kind of production method of the ground glass substrate of pattern gradual change provided by the embodiments of the present application
Flow chart, wherein the production method of the ground glass substrate of pattern gradual change includes:
S1, a glass substrate is provided；
S2, formation is in multiple protective films of pattern gradual change on one surface of glass substrate；
S3, there is one side surface of protective film to carry out blasting treatment the glass substrate；
S4, the removal protective film.
It should be understood that production method provided by the embodiments of the present application, needs to carry out the table of frosted processing in glass substrate
Multiple protective films in pattern gradual change are formed on face, then there is one side surface of protective film to carry out blasting treatment glass substrate,
Finally removal protective film obtains the ground glass substrate of pattern gradual change, compared to the method for existing heating rear mold pressure, this Shen
Please embodiment provide technical solution it is lower to the intensity effect of glass substrate, improve product yield.
In addition, the ground glass substrate for the pattern gradual change that production method provided by the embodiments of the present application is formed, has anti-
The advantages of cunning, good visual effect.And production method provided by the embodiments of the present application is suitable for the glass substrate of 2D, 2.5D and 3D.
In one embodiment of the application, the embodiment of the present application can be more in the sputtering plating of the surface of glass substrate by mask plate
A protective film, wherein the multiple protective films being arranged in array are formed on one surface of glass substrate, comprising:
There is provided a mask plate, wherein the mask plate includes multiple vacancy sections in pattern gradual change；
The mask plate and the glass substrate are oppositely arranged, plated through the vacancy section in the glass baseplate surface
The multiple protective films arranged in array.Wherein, by mask plate and glass substrate it is relatively fixed after, penetrated by sputtering to target
Multiple protective films are plated in the vacancy section of mask plate on the glass substrate.
In addition, the embodiment of the present application can also form multiple protective films using photoetching process, that is, on one surface of glass substrate
It is upper to form the multiple protective films being arranged in array, comprising:
Mask layer is formed on one surface of glass substrate；
The mask layer is handled using photoetching process, it is multiple in pattern gradual change to be formed on one surface of glass substrate
Protective film.
In one embodiment of the application, the protective film provided by the present application can be TiO2Protective film, to this application
It is not particularly limited, needs to carry out the selection of specific material according to practical application.And the guarantor provided by the embodiments of the present application
The thickness range of cuticula is 10nm~1000nm, including endpoint value, the application are equally not particularly limited this.
Wherein, to TiO2Protective film can be removed when being removed using strong base solution.
The embodiment of the present application for gradual change pattern concrete shape with no restrictions, wherein institute provided by the embodiments of the present application
Stating can be in multiple protective films of pattern gradual change are as follows:
The multiple protective film is arranged in array, wherein and it is identical with the size of the protective film of a line, and same row
The size of the protective film is by default regular gradual change.
Further, the size of the protective film of same row provided by the embodiments of the present application is by default regular gradual change are as follows:
The multiple protective films being arranged in array include the first row protective film to Nth row protective film, and N is the integer not less than 2,
Wherein, along the first row protective film to Nth row protective film direction, the size of the protective film of same row is gradually increased or reduces.
In the above-mentioned any one embodiment of the application, the protective film provided by the present application can be round, rectangular or water chestnut
Shape.And the protective film provided by the embodiments of the present application is when being round；Wherein, with arbitrary neighborhood two in a line and same row
The distance of center circle of a protective film is identical, and optionally, the distance of center circle is 0.01mm~3mm, including endpoint value.
It is a kind of structure of multiple protective films in pattern gradual change provided by the embodiments of the present application with specific reference to shown in Fig. 2
Schematic diagram, the embodiment of the present application are described so that protective film is circle as an example.Wherein, multiple circles on 200 surface of glass substrate
Shape protective film 100 is arranged in array, and includes the first row circle protective film 101 to fourth line circle protective film 104.
It is identical with the circle sizes of protective film 100 all in a line circle protective film 100；And it is protected in same row circle
In cuticula, along the first row circle protective film 101 to the direction of fourth line circle protective film 104, the size of round protective film 100 by
It is cumulative big；
Wherein, identical and any one with two circle distance of center circle a of protective film 100 of arbitrary neighborhood in a line and same row
The diameter of round protective film 100 is greater than 0 and is not more than the half of distance of center circle a.
Correspondingly, the embodiment of the present application also provides a kind of ground glass substrate of pattern gradual change, the pattern gradual change
The production method production of the ground glass substrate for the pattern gradual change that ground glass substrate is provided using above-mentioned any one embodiment and
At.
The embodiment of the present application provides a kind of ground glass substrate and preparation method thereof of pattern gradual change, needs in glass substrate
It carries out forming multiple protective films in pattern gradual change on the surface of frosted processing, then there is protective film side to glass substrate
Surface carries out blasting treatment, finally removes protective film and obtains the ground glass substrate of pattern gradual change, compared to existing heating rear mold
Has the method for pressure, technical solution provided by the embodiments of the present application is lower to the intensity effect of glass substrate, and it is good to improve product
Rate.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of production method of the ground glass substrate of pattern gradual change characterized by comprising
One glass substrate is provided；
Multiple protective films in pattern gradual change are formed on one surface of glass substrate；
There is one side surface of protective film to carry out blasting treatment the glass substrate；
Remove the protective film.
2. the production method of the ground glass substrate of pattern gradual change according to claim 1, which is characterized in that in glass base
The multiple protective films being arranged in array are formed on one surface of plate, comprising:
There is provided a mask plate, wherein the mask plate includes multiple vacancy sections in pattern gradual change；
The mask plate and the glass substrate are oppositely arranged, through the vacancy section in glass baseplate surface plating in battle array
Arrange multiple protective films of arrangement.
3. the production method of the ground glass substrate of pattern gradual change according to claim 1, which is characterized in that in glass base
The multiple protective films being arranged in array are formed on one surface of plate, comprising:
Mask layer is formed on one surface of glass substrate；
The mask layer is handled using photoetching process, is in the multiple protections of pattern gradual change to be formed on one surface of glass substrate
Film.
4. the production method of the ground glass substrate of pattern gradual change according to claim 1, which is characterized in that the protection
Film is TiO2Protective film.
5. the production method of the ground glass substrate of pattern gradual change according to claim 1, which is characterized in that the protection
The thickness range of film is 10nm~1000nm, including endpoint value.
6. the production method of the ground glass substrate of pattern gradual change according to claim 1, which is characterized in that described in figure
Multiple protective films of case gradual change are as follows:
The multiple protective film is arranged in array, wherein and it is identical with the size of the protective film of a line, and same row is described
The size of protective film is by default regular gradual change.
7. the production method of the ground glass substrate of pattern gradual change according to claim 6, which is characterized in that same row
The size of the protective film is by default regular gradual change are as follows:
The multiple protective films being arranged in array include the first row protective film to Nth row protective film, and N is the integer not less than 2,
In, along the first row protective film to Nth row protective film direction, the size of the protective film of same row is gradually increased or reduces.
8. the production method of the ground glass substrate of pattern gradual change according to claim 6, which is characterized in that the protection
Film is round, rectangular or diamond shape.
9. the production method of the ground glass substrate of pattern gradual change according to claim 8, which is characterized in that the protection
Film is circle；
Wherein, identical with the distance of center circle of two protective films of arbitrary neighborhood in a line and same row.
10. a kind of ground glass substrate of pattern gradual change, which is characterized in that the ground glass substrate of the pattern gradual change is using power
The production method that benefit requires the ground glass substrate of pattern gradual change described in 1~9 any one is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168222.7A CN109676532A (en) | 2019-03-06 | 2019-03-06 | A kind of ground glass substrate of pattern gradual change and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168222.7A CN109676532A (en) | 2019-03-06 | 2019-03-06 | A kind of ground glass substrate of pattern gradual change and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109676532A true CN109676532A (en) | 2019-04-26 |
Family
ID=66197663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910168222.7A Pending CN109676532A (en) | 2019-03-06 | 2019-03-06 | A kind of ground glass substrate of pattern gradual change and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109676532A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114979320A (en) * | 2021-02-26 | 2022-08-30 | 华为技术有限公司 | Manufacturing method of rear shell, rear shell and electronic equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197665A (en) * | 2005-12-28 | 2007-08-09 | Seiko Epson Corp | Powder for grinding and grinding method |
| CN102520482A (en) * | 2011-12-19 | 2012-06-27 | 深圳市易飞扬通信技术有限公司 | Critical method for manufacturing fiber array by semiconductor technology |
| CN102632460A (en) * | 2012-04-18 | 2012-08-15 | 邓耀辉 | Manufacturing method for cover glass lens |
| CN106218303A (en) * | 2016-07-28 | 2016-12-14 | 重庆市西铝工业公司 | A kind of glass flower pattern processing technique |
| CN106843608A (en) * | 2016-12-13 | 2017-06-13 | 成都艾德沃传感技术有限公司 | A kind of touch-screen glass processing method |
| CN106865993A (en) * | 2017-03-10 | 2017-06-20 | 信利光电股份有限公司 | A kind of preparation method of touch-screen cover plate |
| CN107009275A (en) * | 2017-06-02 | 2017-08-04 | 信利光电股份有限公司 | A kind of processing method of the ground glass of fade effect |
| CN108654962A (en) * | 2018-06-11 | 2018-10-16 | 广州飞机维修工程有限公司 | A kind of spraying method of large area gradual change color |
| CN108819523A (en) * | 2018-06-06 | 2018-11-16 | 上海烟草集团有限责任公司 | The production method of polynary gradual change paper |
| CN108857906A (en) * | 2018-06-29 | 2018-11-23 | 信利光电股份有限公司 | A kind of frosted process equipment and method |
| CN109277951A (en) * | 2018-10-29 | 2019-01-29 | 信利光电股份有限公司 | A kind of method and apparatus preparing the ground glass cover board with fade effect |
| CN109352533A (en) * | 2018-10-31 | 2019-02-19 | 信利光电股份有限公司 | A kind of production method of gradual change frosted texture cover board |
-
2019
- 2019-03-06 CN CN201910168222.7A patent/CN109676532A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197665A (en) * | 2005-12-28 | 2007-08-09 | Seiko Epson Corp | Powder for grinding and grinding method |
| CN102520482A (en) * | 2011-12-19 | 2012-06-27 | 深圳市易飞扬通信技术有限公司 | Critical method for manufacturing fiber array by semiconductor technology |
| CN102632460A (en) * | 2012-04-18 | 2012-08-15 | 邓耀辉 | Manufacturing method for cover glass lens |
| CN106218303A (en) * | 2016-07-28 | 2016-12-14 | 重庆市西铝工业公司 | A kind of glass flower pattern processing technique |
| CN106843608A (en) * | 2016-12-13 | 2017-06-13 | 成都艾德沃传感技术有限公司 | A kind of touch-screen glass processing method |
| CN106865993A (en) * | 2017-03-10 | 2017-06-20 | 信利光电股份有限公司 | A kind of preparation method of touch-screen cover plate |
| CN107009275A (en) * | 2017-06-02 | 2017-08-04 | 信利光电股份有限公司 | A kind of processing method of the ground glass of fade effect |
| CN108819523A (en) * | 2018-06-06 | 2018-11-16 | 上海烟草集团有限责任公司 | The production method of polynary gradual change paper |
| CN108654962A (en) * | 2018-06-11 | 2018-10-16 | 广州飞机维修工程有限公司 | A kind of spraying method of large area gradual change color |
| CN108857906A (en) * | 2018-06-29 | 2018-11-23 | 信利光电股份有限公司 | A kind of frosted process equipment and method |
| CN109277951A (en) * | 2018-10-29 | 2019-01-29 | 信利光电股份有限公司 | A kind of method and apparatus preparing the ground glass cover board with fade effect |
| CN109352533A (en) * | 2018-10-31 | 2019-02-19 | 信利光电股份有限公司 | A kind of production method of gradual change frosted texture cover board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114979320A (en) * | 2021-02-26 | 2022-08-30 | 华为技术有限公司 | Manufacturing method of rear shell, rear shell and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108724858B (en) | Shell of electronic device, electronic device and manufacturing process of shell | |
| EP3955714B1 (en) | Housing assembly and preparation method thereof, and electronic device | |
| US20180013198A1 (en) | Methods of manufacturing a hidden antenna in an encasing of a handheld device | |
| CN107608013B (en) | Gradual change anti-glare cover plate, manufacturing method thereof and electronic equipment | |
| CN108515462B (en) | Preparation method of frosted glass cover plate with gradual change effect | |
| WO2014046919A2 (en) | Exposed glass article with inner recessed area for portable electronic device housing | |
| CN107561611B (en) | Surface patterning processing method of sapphire substrate | |
| CN107009275A (en) | A kind of processing method of the ground glass of fade effect | |
| CN103490169B (en) | Individual layer broadband random surface | |
| CN106576434B (en) | Housing assembly, electronic device and housing assembly manufacturing method | |
| CN109676532A (en) | A kind of ground glass substrate of pattern gradual change and preparation method thereof | |
| JP2010141311A (en) | Housing for electronic device, and method of manufacturing the same | |
| CN105392316A (en) | Metal shell, manufacturing method and electronic device | |
| WO2021136079A1 (en) | Curved glass cover plate and preparation method therefor and terminal | |
| CN110978873A (en) | Manufacturing method of shell, shell and electronic equipment | |
| CN104754079B (en) | Phone housing and preparation method thereof | |
| CN107750103B (en) | Shell, electronic device and manufacturing method of shell | |
| CN205368489U (en) | Coating film lantern ring mould with lens location | |
| CN205044254U (en) | Digital product 3D toughened glass protection film | |
| CN210026877U (en) | Apron and terminal with grating pattern | |
| CN107264159A (en) | Realize the method and terminal of metallic substrate surface 3D textures | |
| CN206532052U (en) | A kind of glass back cover, glass protecgulum, display module and intelligent terminal | |
| CN113905561B (en) | Shell with texture pattern, processing method thereof and electronic equipment | |
| CN205050990U (en) | Super material, Metamaterial antennas panel and ultra material slab antenna | |
| TWI703912B (en) | Electronic device casing and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |