CN105163539A - Zirconia ceramic rear cover having wireless charging function and manufacture method thereof - Google Patents
Zirconia ceramic rear cover having wireless charging function and manufacture method thereof Download PDFInfo
- Publication number
- CN105163539A CN105163539A CN201510591221.5A CN201510591221A CN105163539A CN 105163539 A CN105163539 A CN 105163539A CN 201510591221 A CN201510591221 A CN 201510591221A CN 105163539 A CN105163539 A CN 105163539A
- Authority
- CN
- China
- Prior art keywords
- zirconia ceramics
- bonnet
- 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.)
- Granted
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a zirconia ceramic rear cover having a wireless charging function and a manufacture method thereof. The zirconia ceramic rear cover is obtained by carrying out cofiring on a zirconia ceramic backboard and composite slurry coated on the zirconia ceramic backboard. The composite slurry forms a wireless charging coil integrated with the zirconia ceramic backboard after sintering. The composite slurry is prepared by the following raw materials, in weight percentage: 70-80% of silver powders, 2-5% of graphene, 3-8% of carbon nanotubes and 15-20% of glass powders. The method can realize light and thin effects of the product, and meanwhile, improves wireless charging performance of the product.
Description
Technical field
The present invention relates to wireless charging device, particularly a kind of zirconia ceramics bonnet and manufacture method thereof with wireless charging function.
Background technology
At present, the common method realizing mobile phone wireless charge function is sticked to by conductive coil on battery of mobile phone backboard to realize electromagnetic conversion, reaches the object of wireless charging.There is following problem in prior art: 1. takies mobile phone space, and what current conductive coil adopted is conductive filament, and is sticked on mobile phone backboard, can take the space of interior of mobile phone; 2. radiating effect is poor, easily generates heat.Conductive coil and mobile phone backboard adopt bonding mode, overall thermal conductivity can be caused to decline, affect properties of product.
Summary of the invention
Main purpose of the present invention is to overcome the deficiencies in the prior art, provides a kind of zirconia ceramics bonnet and the manufacture method thereof with wireless charging function, realize product lightening while improve its wireless charging performance.
For achieving the above object, the present invention is by the following technical solutions:
A kind of zirconia ceramics bonnet with wireless charging function, it is the zirconia ceramics bonnet being burnt altogether by zirconia ceramics backboard and the composite mortar be coated on described zirconia ceramics backboard and obtain, described composite mortar forms the Wireless charging coil integrated with described zirconia ceramics backboard through sintering, and the raw material wherein preparing described composite mortar comprises silver powder 70 ~ 80%, Graphene 2 ~ 5%, carbon nano-tube 3 ~ 8%, glass dust 15 ~ 20% by weight percentage.
Further:
The raw material preparing described composite mortar comprises silver powder 70 ~ 75%, Graphene 2 ~ 3%, carbon nano-tube 5 ~ 8%, glass dust 15 ~ 20% by weight percentage.
The raw material preparing described composite mortar comprises silver powder 75 ~ 80%, Graphene 3 ~ 5%, carbon nano-tube 3 ~ 5%, glass dust 15 ~ 20% by weight percentage.
Described composite mortar be by described raw material after ball milling mixing, add organic solvent and prepare at nanometer sand mill medium sand mill.
Described organic solvent is terpinol or ethyl cellulose.
Described composite mortar is printed on described zirconia ceramics backboard to be sintered in the mode of silk screen printing.
Described silver powder is nano-silver powder.
Described zirconia ceramics bonnet is the bonnet of mobile phone or panel computer or Intelligent worn device.
Prepare a manufacture method for any one zirconia ceramics bonnet aforementioned, comprise the following steps:
1) described composite mortar is prepared;
2) described composite mortar is coated on described zirconia ceramics backboard;
3) the described zirconia ceramics backboard being coated with described composite mortar is sintered, form the Wireless charging coil integrated with described zirconia ceramics backboard.
Further, step 3) in, first the described zirconia ceramics backboard being coated with described composite mortar is dried, the more described zirconia ceramics backboard after drying is sintered with the temperature of 800 ~ 850 DEG C in high temperature sintering furnace.
Beneficial effect of the present invention:
The high-performance composite mortar that the present invention adopts the raw material containing silver powder, Graphene, carbon nano-tube, glass dust to prepare according to proportioning of the present invention, this high-performance composite mortar and zirconia ceramics backboard one are burnt altogether, realize the integrated of Wireless charging coil and zirconia ceramics backboard (can be used as battery cover), compare traditional wireless coil production method, the present invention can realize the lightening of product admirably.Adopt zirconia ceramics material as battery back-sheet, with nano-silver powder, Graphene, carbon nano-tube, the high connductivity composite mortar that glass dust formula obtains, charge coil is formed through high temperature sintering, the present invention can realize the seamless combination of charge coil and zirconia ceramics backboard, improve the conductivity of product, electric energy conversion efficiency can be increased to more than 70%, and it is fast to have heat diffusion, the distinguishing features such as safety in utilization is high, mobile phone can be realized, the wireless charging function of the products such as Intelligent worn device, fully ensure that again the stability of Signal transmissions, there are huge market prospects.
Embodiment
Below embodiments of the present invention are elaborated.It is emphasized that following explanation is only exemplary, instead of in order to limit the scope of the invention and apply.
In one embodiment, a kind of zirconia ceramics bonnet with wireless charging function, it is the zirconia ceramics bonnet being burnt altogether by zirconia ceramics backboard and the composite mortar be coated on described zirconia ceramics backboard and obtain, described composite mortar forms the Wireless charging coil integrated with described zirconia ceramics backboard through sintering, and the raw material wherein preparing described composite mortar comprises silver powder 70 ~ 80%, Graphene 2 ~ 5%, carbon nano-tube 3 ~ 8%, glass dust 15 ~ 20% by weight percentage.Described silver powder preferably adopts nano-silver powder.Zirconia ceramics bonnet preferably adopts nano zirconia ceramic material.Described zirconia ceramics bonnet can be the bonnet of the electronic products such as mobile phone, panel computer or Intelligent worn device.
In an advantageous embodiment, the raw material preparing described composite mortar comprises silver powder 70 ~ 75%, Graphene 2 ~ 3%, carbon nano-tube 5 ~ 8%, glass dust 15 ~ 20% by weight percentage.
In another kind of preferred embodiment, the raw material preparing described composite mortar comprises silver powder 75 ~ 80%, Graphene 3 ~ 5%, carbon nano-tube 3 ~ 5%, glass dust 15 ~ 20% by weight percentage.
In an advantageous embodiment, prepare at nanometer sand mill medium sand mill after described raw material is added organic solvent by described composite mortar.
In a preferred embodiment, described organic solvent is terpinol or ethyl cellulose.
In a preferred embodiment, described composite mortar is printed on described zirconia ceramics backboard to be sintered in the mode of silk screen printing.
In an advantageous embodiment, a kind of manufacture method preparing zirconia ceramics bonnet, comprises the following steps:
1. nano-silver powder 70 ~ 80% by weight percentage, Graphene 2 ~ 5%, carbon nano-tube 3 ~ 8%, glass dust 15 ~ 20% are mixed, mix through ball milling.
2. add the organic solvent such as terpinol or ethyl cellulose, in nanometer sand mill, sand milling has been prepared after completing.
3. the composite mortar prepared above is printed on zirconia ceramics backboard by the mode of silk screen printing.
4. the zirconia ceramics backboard being printed on composite mortar prepared above is dried in an oven.
5. by the zirconia ceramics backboard after drying above in high temperature sintering furnace at 800 ~ 850 DEG C of sintering, composite mortar is formed and the Wireless charging coil that is combined as a whole of zirconia ceramics backboard, both have good adhesion.
Preparation method provided by the invention is further illustrated below by embodiment more specifically.
Embodiment one:
1. nano-silver powder 70 ~ 75%, Graphene 2 ~ 3%, carbon nano-tube 5 ~ 8%, glass dust 15 ~ 20% are mixed by proportioning, mix through ball milling.
2. add after the organic solvent such as terpinol or ethyl cellulose sand milling in nanometer sand mill completes and prepared.
3. the composite mortar prepared above is printed on the mobile phone zirconia ceramics backboard of making by the mode of silk screen printing.
4. the zirconia ceramics backboard being printed on composite mortar prepared above is dried in an oven.
5. by the zirconia ceramics backboard after drying above in high temperature sintering furnace at 800 ~ 850 DEG C of sintering, composite mortar is formed and the Wireless charging coil that is combined as a whole of zirconia ceramics backboard, both have good adhesion.
Wireless charging mobile phone zirconia ceramics bonnet by preparing using upper type being carried out testing, checking as battery cover on special test equipment, recording resistance R=0.45 ohm of Wireless charging coil, electric energy conversion efficiency >=70%.
Embodiment two:
1. nano-silver powder 75 ~ 80%, Graphene 3 ~ 5%, carbon nano-tube 3 ~ 5%, glass dust 15 ~ 20% are mixed by proportioning, mix through ball milling.
2. add after the organic solvent such as terpinol or ethyl cellulose sand milling in nanometer sand mill completes and prepared.
3. the composite mortar prepared above is printed on the mobile phone zirconia ceramics backboard of making by the mode of silk screen printing.
4. the zirconia ceramics backboard being printed on composite mortar prepared above is dried in an oven.
5. by the zirconia ceramics backboard after drying above in high temperature sintering furnace at 800 ~ 850 DEG C of sintering, composite mortar is formed and the Wireless charging coil that is combined as a whole of zirconia ceramics backboard, both have good adhesion.
Wireless charging mobile phone zirconia ceramics bonnet by preparing using upper type being carried out testing, checking as battery cover on special test equipment, recording resistance R=0.43 ohm of Wireless charging coil, electric energy conversion efficiency >=72%.
Above content combines concrete/preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; its execution mode that can also describe these makes some substituting or modification, and these substitute or variant all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. one kind has the zirconia ceramics bonnet of wireless charging function, it is characterized in that, it is the zirconia ceramics bonnet being burnt altogether by zirconia ceramics backboard and the composite mortar be coated on described zirconia ceramics backboard and obtain, described composite mortar forms the Wireless charging coil integrated with described zirconia ceramics backboard through sintering, and the raw material wherein preparing described composite mortar comprises silver powder 70 ~ 80%, Graphene 2 ~ 5%, carbon nano-tube 3 ~ 8%, glass dust 15 ~ 20% by weight percentage.
2. zirconia ceramics bonnet as claimed in claim 1, is characterized in that, the raw material preparing described composite mortar comprises silver powder 70 ~ 75%, Graphene 2 ~ 3%, carbon nano-tube 5 ~ 8%, glass dust 15 ~ 20% by weight percentage.
3. zirconia ceramics bonnet as claimed in claim 1, is characterized in that, the raw material preparing described composite mortar comprises silver powder 75 ~ 80%, Graphene 3 ~ 5%, carbon nano-tube 3 ~ 5%, glass dust 15 ~ 20% by weight percentage.
4. the zirconia ceramics bonnet as described in any one of claims 1 to 3, is characterized in that, described composite mortar be by described raw material after ball milling mixing, add organic solvent and prepare at nanometer sand mill medium sand mill.
5. zirconia ceramics bonnet as claimed in claim 4, it is characterized in that, described organic solvent is terpinol or ethyl cellulose.
6. the zirconia ceramics bonnet as described in any one of claim 1 to 5, is characterized in that, described composite mortar is printed on described zirconia ceramics backboard to be sintered in the mode of silk screen printing.
7. the zirconia ceramics bonnet as described in any one of claim 1 to 5, is characterized in that, described silver powder is nano-silver powder.
8. the zirconia ceramics bonnet as described in any one of claim 1 to 5, is characterized in that, described zirconia ceramics bonnet is the bonnet of mobile phone or panel computer or Intelligent worn device.
9. prepare a manufacture method for the zirconia ceramics bonnet as described in any one of claim 1 to 8, it is characterized in that, comprise the following steps:
1) described composite mortar is prepared;
2) described composite mortar is coated on described zirconia ceramics backboard;
3) the described zirconia ceramics backboard being coated with described composite mortar is sintered, form the Wireless charging coil integrated with described zirconia ceramics backboard.
10. the manufacture method of zirconia ceramics bonnet as claimed in claim 9, it is characterized in that, step 3) in, first the described zirconia ceramics backboard being coated with described composite mortar is dried, the more described zirconia ceramics backboard after drying is sintered with the temperature of 800 ~ 850 DEG C in high temperature sintering furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591221.5A CN105163539B (en) | 2015-09-16 | 2015-09-16 | Zirconia ceramics rear cover with wireless charging function and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591221.5A CN105163539B (en) | 2015-09-16 | 2015-09-16 | Zirconia ceramics rear cover with wireless charging function and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105163539A true CN105163539A (en) | 2015-12-16 |
| CN105163539B CN105163539B (en) | 2018-10-02 |
Family
ID=54804264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510591221.5A Active CN105163539B (en) | 2015-09-16 | 2015-09-16 | Zirconia ceramics rear cover with wireless charging function and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105163539B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951093A (en) * | 2016-04-26 | 2016-09-21 | 李波 | Precious metal plating method |
| CN106790790A (en) * | 2016-12-01 | 2017-05-31 | 东莞华晶粉末冶金有限公司 | A kind of wireless charging terminal ceramics bonnet and preparation method thereof |
| CN107623765A (en) * | 2017-08-21 | 2018-01-23 | 东莞华晶粉末冶金有限公司 | A kind of electronic product ceramics bonnet and manufacture method with wireless charging function |
| CN108767422A (en) * | 2018-04-11 | 2018-11-06 | 深圳市可信华成通信科技有限公司 | A kind of ceramic antenna production method and ceramic antenna and ceramic rear cover |
| 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 |
| US10224984B1 (en) | 2018-01-03 | 2019-03-05 | Shenzhen Sunlord Electronics Co., Ltd. | Electronic device and ceramic back cover used in electronic device |
| CN109896854A (en) * | 2019-03-01 | 2019-06-18 | 上海景瑞阳实业有限公司 | A kind of electrode material and its preparation method and application |
| CN111574222A (en) * | 2020-05-17 | 2020-08-25 | 陕西励峰德精密陶瓷科技有限公司 | Technology for preparing ceramic rear cover through grouting |
Citations (4)
| 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 |
| US20120300421A1 (en) * | 2011-05-23 | 2012-11-29 | Medtronic, Inc. | Electrical feedthrough for implantable medical device |
| 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 |
-
2015
- 2015-09-16 CN CN201510591221.5A patent/CN105163539B/en active Active
Patent Citations (4)
| 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 |
| US20120300421A1 (en) * | 2011-05-23 | 2012-11-29 | Medtronic, Inc. | Electrical feedthrough for implantable medical device |
| 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 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951093A (en) * | 2016-04-26 | 2016-09-21 | 李波 | Precious metal plating method |
| CN106790790A (en) * | 2016-12-01 | 2017-05-31 | 东莞华晶粉末冶金有限公司 | A kind of wireless charging terminal ceramics bonnet and preparation method thereof |
| CN106790790B (en) * | 2016-12-01 | 2023-08-04 | 东莞华晶粉末冶金有限公司 | Ceramic rear cover of wireless charging terminal and manufacturing method thereof |
| CN107623765A (en) * | 2017-08-21 | 2018-01-23 | 东莞华晶粉末冶金有限公司 | A kind of electronic product ceramics bonnet and manufacture method with wireless charging function |
| CN107623765B (en) * | 2017-08-21 | 2020-10-23 | 东莞华晶粉末冶金有限公司 | Electronic product ceramic rear cover with wireless charging function and manufacturing method thereof |
| US10224984B1 (en) | 2018-01-03 | 2019-03-05 | Shenzhen Sunlord Electronics Co., Ltd. | Electronic device and ceramic back cover used in electronic device |
| WO2019134073A1 (en) * | 2018-01-03 | 2019-07-11 | 深圳顺络电子股份有限公司 | Rear ceramic cover for electronic device, and electronic device |
| CN108767422A (en) * | 2018-04-11 | 2018-11-06 | 深圳市可信华成通信科技有限公司 | A kind of ceramic antenna production method and ceramic antenna and ceramic rear cover |
| 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 |
| CN109896854A (en) * | 2019-03-01 | 2019-06-18 | 上海景瑞阳实业有限公司 | A kind of electrode material and its preparation method and application |
| CN111574222A (en) * | 2020-05-17 | 2020-08-25 | 陕西励峰德精密陶瓷科技有限公司 | Technology for preparing ceramic rear cover through grouting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105163539B (en) | 2018-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105163539A (en) | Zirconia ceramic rear cover having wireless charging function and manufacture method thereof | |
| CN105188295B (en) | Tempered glass rear cover with wireless charging function and its manufacturing method | |
| CN102145993B (en) | Low-temperature quick sintered high-strength aluminum oxide ceramic and preparation method thereof | |
| CN103500597B (en) | A kind of solar energy back aluminum slurry based on functionalization graphene and preparation method thereof | |
| CN101582328B (en) | Nanometer silver paste for terminal electrode of multi-layer ceramic capacitor and method for preparing same | |
| CN104250070A (en) | Microwave absorbing material and preparation method thereof | |
| CN105916221A (en) | Graphene electrical heating body preparation method | |
| CN103011148A (en) | Method for preparing isotropical graphite | |
| CN106205935A (en) | A kind of amorphous state soft magnetism composite magnetic powder core and preparation method thereof | |
| CN103361531A (en) | High-temperature co-firing ceramic slurry and preparation method thereof | |
| CN102584240A (en) | Sintering method of ZrB2-SiC superhigh temperature ceramics | |
| CN107396466A (en) | Electric slurry and preparation method thereof, thick film circuit chip thermal source and preparation method thereof | |
| CN102786294B (en) | Insulating layer slurry of chip-type oxygen sensor and insulating layer preparation method | |
| CN104961463A (en) | Niobium oxide rotating target and preparing method of niobium oxide rotating target | |
| CN107732245A (en) | A kind of preparation method of hard carbon/graphene composite negative pole for lithium battery | |
| CN107331438A (en) | A kind of environment protection solar cell front electrode conductor paste and preparation method thereof | |
| Feng et al. | Aluminosilicate glass-ceramics/reduced graphene oxide composites doped with lithium ions: The microstructure evolution and tuning for target microwave absorption | |
| CN106747439B (en) | Niobium oxide target and preparation method thereof | |
| CN102881458A (en) | Preparation method for graphene and titanium dioxide composite sizing material | |
| CN106810915A (en) | A kind of novel magnetic exothermic paint | |
| CN202218430U (en) | Rare earth thick film circuit heating element based on IR-LED ceramics substrate | |
| CN106790790B (en) | Ceramic rear cover of wireless charging terminal and manufacturing method thereof | |
| CN104575670A (en) | Resistance paste of substrate thick film circuit and preparation method of resistance paste | |
| CN107419607A (en) | A kind of High Strength Carbon Nanotubes conductive paper and preparation method | |
| CN104599790A (en) | Conductive carbon slurry 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: 20190812 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 |