CN105188295B - Tempered glass rear cover with wireless charging function and its manufacturing method - Google Patents
Tempered glass rear cover with wireless charging function and its manufacturing method Download PDFInfo
- Publication number
- CN105188295B CN105188295B CN201510616156.7A CN201510616156A CN105188295B CN 105188295 B CN105188295 B CN 105188295B CN 201510616156 A CN201510616156 A CN 201510616156A CN 105188295 B CN105188295 B CN 105188295B
- Authority
- CN
- China
- Prior art keywords
- tempered glass
- rear cover
- composite mortar
- backboard
- wireless charging
- 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
Landscapes
- Glass Compositions (AREA)
Abstract
The invention discloses a kind of tempered glass rear covers and its manufacturing method with wireless charging function, the tempered glass rear cover is by tempered glass backboard and the tempered glass rear cover that obtains coated in the composite mortar cofiring on the tempered glass backboard, the composite mortar is formed through sintering and the integrated Wireless charging coil of tempered glass backboard, wherein the raw material for preparing the composite mortar includes silver powder 70~80%, graphene 2~5%, carbon nanotube 3~8%, glass powder 15~20% by weight percentage.The present invention can improve product wireless charging performance while realizing that product is lightening.
Description
Technical field
The present invention relates to wireless charging device, especially a kind of tempered glass rear cover and its system with wireless charging function
Make method.
Background technology
Currently, realizing that the common method of mobile phone wireless charge function is to be adhered to conductive coil on battery of mobile phone backboard in fact
Existing electromagnetic conversion, achievees the purpose that wireless charging.The prior art has the following problems：1. occupying mobile phone space, current conduction
Coil is adhered to using conductive filament on mobile phone backboard, and the space of interior of mobile phone can be occupied；2. heat dissipation effect is poor,
Easily fever.Conductive coil uses bonding mode with mobile phone backboard, can cause overall thermal conductivity that can decline, influence properties of product.
Invention content
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of tempering with wireless charging function
Glass back cover and its manufacturing method are realized and improve its wireless charging performance while product is lightening.
To achieve the above object, the present invention uses following technical scheme：
A kind of tempered glass rear cover with wireless charging function is by tempered glass backboard and to be coated in the tempering glass
Composite mortar cofiring on glass backboard and the tempered glass rear cover obtained, the composite mortar are formed and the tempering glass through sintering
The integrated Wireless charging coil of glass backboard, wherein the raw material for preparing the composite mortar includes silver powder by weight percentage
70~80%, graphene 2~5%, carbon nanotube 3~8%, glass powder 15~20%.
Further：
The raw material for preparing the composite mortar include silver powder 70~75% by weight percentage, graphene 2~3%,
Carbon nanotube 5~8%, glass powder 15~20%.
The raw material for preparing the composite mortar include silver powder 75~80% by weight percentage, graphene 3~5%,
Carbon nanotube 3~5%, glass powder 15~20%.
The composite mortar is by the raw material after ball milling mixing organic solvent to be added, system is sanded in nanometer sand mill
For what is obtained.
The organic solvent is terpinol or methylcellulose.
The composite mortar is printed in a manner of silk-screen printing on the tempered glass backboard to be sintered.
The silver powder is nano-silver powder.
The tempered glass rear cover is the rear cover of mobile phone or tablet computer or intelligent wearable device.
A kind of manufacturing method preparing aforementioned any tempered glass rear cover, includes the following steps：
1) composite mortar is prepared；
2) composite mortar is coated on the tempered glass backboard；
3) the tempered glass backboard coated with the composite mortar is sintered, is formed and is carried on the back with the tempered glass
The integrated Wireless charging coil of plate.
Further, in step 3), it is first coated with the tempered glass backboard drying of the composite mortar, then will be dried
The tempered glass backboard after dry is sintered in high temperature sintering furnace with 600~650 DEG C of temperature.
Beneficial effects of the present invention：
The present invention uses the height that the raw material containing silver powder, graphene, carbon nanotube, glass powder is prepared according to present invention proportioning
This high-performance composite mortar and tempered glass backboard one cofiring are realized Wireless charging coil and steel by performance composite mortar
Change the integration of glass back plate (can be used as battery cover), compares traditional wireless coil production method, the present invention can be admirably
Realize the lightening of product.Using tempered glass materials as battery back-sheet, with nano-silver powder, graphene, carbon nanotube, glass
The highly conductive composite mortar that powder is formulated forms charge coil through high temperature sintering, and the present invention can realize charge coil and tempering
The seamless combination of glass back plate improves the electric conductivity of product, and electric energy conversion efficiency can be improved to 70% or more, and has heat
The distinguishing features such as fast, the safety in utilization height of diffusion, can realize the wireless charging function of the products such as mobile phone, intelligent wearable device,
The stability for having fully ensured that signal transmission again has huge market prospects.
Specific implementation mode
It elaborates below to embodiments of the present invention.It is emphasized that following the description is only exemplary,
The range being not intended to be limiting of the invention and its application.
In one embodiment, a kind of tempered glass rear cover with wireless charging function, is by tempered glass backboard
With the tempered glass rear cover obtained coated in the composite mortar cofiring on the tempered glass backboard, the composite mortar is through burning
Knot formed with the integrated Wireless charging coil of tempered glass backboard, wherein the raw material for preparing the composite mortar include with
Silver powder 70~80%, graphene 2~5%, carbon nanotube 3~8%, the glass powder 15~20% of weight percent meter.The silver
Powder preferably uses nano-silver powder.Tempered glass rear cover preferably uses nano zirconia ceramic material.The tempered glass rear cover can
To be the rear cover of the electronic products such as mobile phone, tablet computer or intelligent wearable device.
In an advantageous embodiment, the raw material for preparing the composite mortar include silver powder 70 by weight percentage~
75%, graphene 2~3%, carbon nanotube 5~8%, glass powder 15~20%.
In another preferred embodiment, the raw material for preparing the composite mortar includes silver powder 75 by weight percentage
~80%, graphene 3~5%, carbon nanotube 3~5%, glass powder 15~20%.
In an advantageous embodiment, the composite mortar is that the raw material is added after organic solvent in nanometer sand mill
What middle sand milling was prepared.
In a preferred embodiment, the organic solvent is terpinol or methylcellulose.
In a preferred embodiment, the composite mortar is that the tempering glass to be sintered is printed in a manner of silk-screen printing
On glass backboard.
In an advantageous embodiment, a kind of manufacturing method preparing tempered glass rear cover, includes the following steps：
1. by nano-silver powder 70~80%, graphene 2~5%, carbon nanotube 3~8%, glass by weight percentage
Powder 15~20% mixes, through ball milling mixing.
2. the organic solvents such as terpinol or methylcellulose are added, prepare and complete after the completion of being sanded in nanometer sand mill.
3. composite mortar made above is printed on by way of silk-screen printing on tempered glass backboard.
4. the tempered glass backboard for being printed on composite mortar made above is dried in an oven.
5. the tempered glass backboard after the above drying is sintered in high temperature sintering furnace at 600~650 DEG C so that composite pulp
Material forms the Wireless charging coil being combined as a whole with tempered glass backboard, and the two has good binding force.
The preparation method of offer is be provided below by more specific embodiment.
Embodiment one：
1. according to the ratio by nano-silver powder 70~75%, graphene 2~3%, carbon nanotube 5~8%, glass powder 15~20%
Mixing, through ball milling mixing.
It is completed 2. being added after the completion of the organic solvents such as terpinol or methylcellulose are sanded in nanometer sand mill to prepare.
3. composite mortar made above to be printed on to the mobile phone tempered glass backboard of making by way of silk-screen printing
On.
4. the tempered glass backboard for being printed on composite mortar made above is dried in an oven.
5. the tempered glass backboard after the above drying is sintered in high temperature sintering furnace at 600~650 DEG C so that composite pulp
Material forms the Wireless charging coil being combined as a whole with tempered glass backboard, and the two has good binding force.
Using the wireless charging mobile phone tempered glass rear cover prepared in the above manner as battery cover in special test equipment
On tested, examined, measure R=0.45 ohm of the resistance of Wireless charging coil, electric energy conversion efficiency >=70%.
Embodiment two：
1. according to the ratio by nano-silver powder 75~80%, graphene 3~5%, carbon nanotube 3~5%, glass powder 15~20%
Mixing, through ball milling mixing.
It is completed 2. being added after the completion of the organic solvents such as terpinol or methylcellulose are sanded in nanometer sand mill to prepare.
3. composite mortar made above to be printed on to the mobile phone tempered glass backboard of making by way of silk-screen printing
On.
4. the tempered glass backboard for being printed on composite mortar made above is dried in an oven.
5. the tempered glass backboard after the above drying is sintered in high temperature sintering furnace at 600~650 DEG C so that composite pulp
Material forms the Wireless charging coil being combined as a whole with tempered glass backboard, and the two has good binding force.
Using the wireless charging mobile phone tempered glass rear cover prepared in the above manner as battery cover in special test equipment
On tested, examined, measure R=0.43 ohm of the resistance of Wireless charging coil, electric energy conversion efficiency >=72%.
The above content is specific/preferred embodiment further description made for the present invention is combined, cannot recognize
The specific implementation of the fixed present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, some replacements or modification can also be made to the embodiment that these have been described,
And these are substituted or variant all shall be regarded as belonging to protection scope of the present invention.
Claims (10)
1. a kind of tempered glass rear cover with wireless charging function, which is characterized in that be by tempered glass backboard be coated in
Composite mortar cofiring on the tempered glass backboard and the tempered glass rear cover obtained, the composite mortar through sintering formed with
The integrated Wireless charging coil of tempered glass backboard, wherein the raw material for preparing the composite mortar includes with weight percent
Than the silver powder 70~80% of meter, graphene 2~5%, carbon nanotube 3~8%, glass powder 15~20%.
2. tempered glass rear cover as described in claim 1, which is characterized in that the raw material for preparing the composite mortar includes with weight
Measure silver powder 70~75%, graphene 2~3%, carbon nanotube 5~8%, the glass powder 15~20% of percentages.
3. tempered glass rear cover as described in claim 1, which is characterized in that the raw material for preparing the composite mortar includes with weight
Measure silver powder 75~80%, graphene 3~5%, carbon nanotube 3~5%, the glass powder 15~20% of percentages.
4. tempered glass rear cover as described in any one of claims 1 to 3, which is characterized in that the composite mortar is will be described
Raw material is added organic solvent and is sanded in nanometer sand mill and be prepared after ball milling mixing.
5. tempered glass rear cover as claimed in claim 4, which is characterized in that the organic solvent is terpinol or Methyl cellulose
Element.
6. tempered glass rear cover as described in any one of claims 1 to 3, which is characterized in that the composite mortar is with silk screen
The mode of printing is printed on the tempered glass backboard to be sintered.
7. tempered glass rear cover as described in any one of claims 1 to 3, which is characterized in that the silver powder is nano-silver powder.
8. tempered glass rear cover as described in any one of claims 1 to 3, which is characterized in that the tempered glass rear cover is hand
The rear cover of machine or tablet computer or intelligent wearable device.
9. a kind of preparing the manufacturing method such as claim 1 to 8 any one of them tempered glass rear cover, which is characterized in that packet
Include following steps：
1) composite mortar is prepared；
2) composite mortar is coated on the tempered glass backboard；
3) the tempered glass backboard coated with the composite mortar is sintered, is formed and the tempered glass backboard one
The Wireless charging coil of body.
10. the manufacturing method of tempered glass rear cover as claimed in claim 9, which is characterized in that in step 3), be first coated with
The tempered glass backboard of the composite mortar is dried, then by the tempered glass backboard after drying in high temperature sintering furnace
It is sintered with 600~650 DEG C of temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616156.7A CN105188295B (en) | 2015-09-23 | 2015-09-23 | Tempered glass rear cover with wireless charging function and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616156.7A CN105188295B (en) | 2015-09-23 | 2015-09-23 | Tempered glass rear cover with wireless charging function and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105188295A CN105188295A (en) | 2015-12-23 |
| CN105188295B true CN105188295B (en) | 2018-10-02 |
Family
ID=54910064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510616156.7A Active CN105188295B (en) | 2015-09-23 | 2015-09-23 | Tempered glass rear cover with wireless charging function and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105188295B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684973B (en) * | 2016-12-15 | 2019-11-05 | 东莞华晶粉末冶金有限公司 | Wireless charging device and preparation method thereof |
| CN106699159A (en) * | 2016-12-15 | 2017-05-24 | 东莞华晶粉末冶金有限公司 | Ferrite powder and preparation method and application thereof |
| CN108840328A (en) * | 2018-08-20 | 2018-11-20 | 苏州宏久航空防热材料科技有限公司 | A kind of preparation method of graphene modified glass piece |
| CN109265198A (en) * | 2018-09-27 | 2019-01-25 | 江苏金琥珀光学科技股份有限公司 | A kind of ceramic rear cover and its processing method of mobile phone |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847510A (en) * | 2009-03-27 | 2010-09-29 | 罗夔 | Conductive paste for multilayer ceramic capacitor and preparation method thereof |
| CN103839605A (en) * | 2014-02-26 | 2014-06-04 | 华中科技大学 | Electrocondution slurry and preparation method and application of electrocondution slurry |
| CN204578186U (en) * | 2015-03-09 | 2015-08-19 | 正达国际光电股份有限公司 | Portable electronic device with wireless charging function and glass back cover structure thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120300421A1 (en) * | 2011-05-23 | 2012-11-29 | Medtronic, Inc. | Electrical feedthrough for implantable medical device |
-
2015
- 2015-09-23 CN CN201510616156.7A patent/CN105188295B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847510A (en) * | 2009-03-27 | 2010-09-29 | 罗夔 | Conductive paste for multilayer ceramic capacitor and preparation method thereof |
| CN103839605A (en) * | 2014-02-26 | 2014-06-04 | 华中科技大学 | Electrocondution slurry and preparation method and application of electrocondution slurry |
| CN204578186U (en) * | 2015-03-09 | 2015-08-19 | 正达国际光电股份有限公司 | Portable electronic device with wireless charging function and glass back cover structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105188295A (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105163539B (en) | Zirconia ceramics rear cover with wireless charging function and its manufacturing method | |
| CN105188295B (en) | Tempered glass rear cover with wireless charging function and its manufacturing method | |
| CN105702384B (en) | A kind of high heat generating pastes of slug type and preparation method thereof | |
| CN104341156B (en) | A kind of carborundum based material microwave-absorbing heat-generating body composition and method of making the same | |
| CN107747080B (en) | Radar and infrared compatible stealth coating capable of resisting temperature of 600 ℃ and preparation method thereof | |
| CN101582328B (en) | Nanometer silver paste for terminal electrode of multi-layer ceramic capacitor and method for preparing same | |
| CN107502067A (en) | A kind of high temperature sintering heating electrically conductive ink and preparation method thereof | |
| CN102250400B (en) | A polymer-based composite material with high PTC strength and stability and its preparation method | |
| CN102603198A (en) | Inorganic electromagnetic wave absorbing material and preparation method thereof | |
| CN103361531A (en) | High-temperature co-firing ceramic slurry and preparation method thereof | |
| CN111848163A (en) | A kind of resistivity, porosity, color adjustable zirconia ceramics and preparation method thereof | |
| CN107396466A (en) | Electric slurry and preparation method thereof, thick film circuit chip thermal source and preparation method thereof | |
| CN104311024A (en) | Microwave dielectric ceramic material with moderate dielectric constant and high quality factor and preparation method of microwave dielectric ceramic material | |
| CN102786294B (en) | Insulating layer slurry of chip-type oxygen sensor and insulating layer preparation method | |
| CN103165217A (en) | Electric conduction silver paste for mica plate capacitor and preparation method thereof | |
| CN103553346B (en) | A kind of preparation method of electric slurry ball-type glass dust | |
| CN103165214A (en) | Solar cell aluminum electric-conduction slurry and preparation method thereof | |
| CN106653145A (en) | A medium-high temperature thick film circuit conductor paste and preparation method thereof | |
| CN113284672B (en) | Preparation method of silver nanowire conductive paste | |
| CN103177792A (en) | Lead-free aluminum paste for solar cell and preparation method thereof | |
| CN107331438A (en) | A kind of environment protection solar cell front electrode conductor paste and preparation method thereof | |
| Che et al. | Nanoparticles-aided silver front contact paste for crystalline silicon solar cells | |
| CN102831959A (en) | Sliver paste for lead-free environment-friendly solar photovoltaic cells and preparation method of silver paste | |
| CN107731342A (en) | A kind of chip resistor resistance slurry | |
| CN114171255A (en) | Composite conductive functional silver paste and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 523843 Changan City, Guangdong Province town on the corner management area Applicant after: Guangdong wins smart group Limited by Share Ltd Applicant after: Dongguan Hua Jing powder metallurgy company limited Address before: 523843 Changan City, Guangdong Province town on the corner management area Applicant before: Dongguan Janus Precision Components Co., Ltd. Applicant before: Dongguan Hua Jing powder metallurgy company limited |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190808 Address after: 523843 No. 2 Weifeng Road, Niushan External Economic Industrial Park, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Dongguan Hua Jing powder metallurgy company limited Address before: 523843 Changan City, Guangdong Province town on the corner management area Co-patentee before: Dongguan Hua Jing powder metallurgy company limited Patentee before: Guangdong wins smart group Limited by Share Ltd |
|
| TR01 | Transfer of patent right |