CN105188295A - Toughened glass rear cover having wireless charging function and manufacturing method thereof - Google Patents
Toughened glass rear cover having wireless charging function and manufacturing method thereof Download PDFInfo
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- CN105188295A CN105188295A CN201510616156.7A CN201510616156A CN105188295A CN 105188295 A CN105188295 A CN 105188295A CN 201510616156 A CN201510616156 A CN 201510616156A CN 105188295 A CN105188295 A CN 105188295A
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- toughened glass
- bonnet
- composite mortar
- backboard
- wireless charging
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Abstract
The present invention discloses a toughened glass rear cover having a wireless charging function and a manufacturing method thereof. The toughened glass rear cover is composed of a toughened glass back plate and a composite paste coating the toughened glass back plate by co-sintering. The composite paste forms a wireless charging coil integrated with the toughened glass back plate after being sintered, wherein, the composite paste is prepared from 70-80 wt% of silver powder, 2-5 wt% of grapheme, 3-8 wt% of carbon nano tube, and 15-20 wt% of glass powder. The toughened glass rear cover having the wireless charging function and the manufacturing method thereof can achieve the light and thin effect of the product, and simultaneously improve the product wireless charging performance.
Description
Technical field
The present invention relates to wireless charging device, particularly a kind of toughened glass 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 toughened glass 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 toughened glass bonnet with wireless charging function, it is the toughened glass bonnet being burnt altogether by toughened glass backboard and the composite mortar be coated on described toughened glass backboard and obtain, described composite mortar forms the Wireless charging coil integrated with described toughened glass 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 methylcellulose.
Described composite mortar is printed on described toughened glass backboard to be sintered in the mode of silk screen printing.
Described silver powder is nano-silver powder.
Described toughened glass bonnet is the bonnet of mobile phone or panel computer or Intelligent worn device.
Prepare a manufacture method for any one toughened glass bonnet aforementioned, comprise the following steps:
1) described composite mortar is prepared;
2) described composite mortar is coated on described toughened glass backboard;
3) the described toughened glass backboard being coated with described composite mortar is sintered, form the Wireless charging coil integrated with described toughened glass backboard.
Further, step 3) in, first the described toughened glass backboard being coated with described composite mortar is dried, the more described toughened glass backboard after drying is sintered with the temperature of 600 ~ 650 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 toughened glass backboard one are burnt altogether, realize the integrated of Wireless charging coil and toughened glass backboard (can be used as battery cover), compare traditional wireless coil production method, the present invention can realize the lightening of product admirably.Adopt tempered glass materials 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 toughened glass 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 toughened glass bonnet with wireless charging function, it is the toughened glass bonnet being burnt altogether by toughened glass backboard and the composite mortar be coated on described toughened glass backboard and obtain, described composite mortar forms the Wireless charging coil integrated with described toughened glass 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.Toughened glass bonnet preferably adopts nano zirconia ceramic material.Described toughened glass 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 methylcellulose.
In a preferred embodiment, described composite mortar is printed on described toughened glass backboard to be sintered in the mode of silk screen printing.
In an advantageous embodiment, a kind of manufacture method preparing toughened glass 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 methylcellulose, in nanometer sand mill, sand milling has been prepared after completing.
3. the composite mortar prepared above is printed on toughened glass backboard by the mode of silk screen printing.
4. the toughened glass backboard being printed on composite mortar prepared above is dried in an oven.
5. by the toughened glass backboard after drying above in high temperature sintering furnace at 600 ~ 650 DEG C of sintering, composite mortar is formed and the Wireless charging coil that is combined as a whole of toughened glass 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 methylcellulose sand milling in nanometer sand mill completes and prepared.
3. the composite mortar prepared above is printed on the mobile phone toughened glass backboard of making by the mode of silk screen printing.
4. the toughened glass backboard being printed on composite mortar prepared above is dried in an oven.
5. by the toughened glass backboard after drying above in high temperature sintering furnace at 600 ~ 650 DEG C of sintering, composite mortar is formed and the Wireless charging coil that is combined as a whole of toughened glass backboard, both have good adhesion.
Wireless charging mobile phone toughened glass 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 methylcellulose sand milling in nanometer sand mill completes and prepared.
3. the composite mortar prepared above is printed on the mobile phone toughened glass backboard of making by the mode of silk screen printing.
4. the toughened glass backboard being printed on composite mortar prepared above is dried in an oven.
5. by the toughened glass backboard after drying above in high temperature sintering furnace at 600 ~ 650 DEG C of sintering, composite mortar is formed and the Wireless charging coil that is combined as a whole of toughened glass backboard, both have good adhesion.
Wireless charging mobile phone toughened glass 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 toughened glass bonnet of wireless charging function, it is characterized in that, it is the toughened glass bonnet being burnt altogether by toughened glass backboard and the composite mortar be coated on described toughened glass backboard and obtain, described composite mortar forms the Wireless charging coil integrated with described toughened glass 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. toughened glass 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. toughened glass 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 toughened glass 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. toughened glass bonnet as claimed in claim 4, it is characterized in that, described organic solvent is terpinol or methylcellulose.
6. the toughened glass bonnet as described in any one of claim 1 to 5, is characterized in that, described composite mortar is printed on described toughened glass backboard to be sintered in the mode of silk screen printing.
7. the toughened glass bonnet as described in any one of claim 1 to 5, is characterized in that, described silver powder is nano-silver powder.
8. the toughened glass bonnet as described in any one of claim 1 to 5, is characterized in that, described toughened glass bonnet is the bonnet of mobile phone or panel computer or Intelligent worn device.
9. prepare a manufacture method for the toughened glass 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 toughened glass backboard;
3) the described toughened glass backboard being coated with described composite mortar is sintered, form the Wireless charging coil integrated with described toughened glass backboard.
10. the manufacture method of toughened glass bonnet as claimed in claim 9, it is characterized in that, step 3) in, first the described toughened glass backboard being coated with described composite mortar is dried, the more described toughened glass backboard after drying is sintered with the temperature of 600 ~ 650 DEG C in high temperature sintering furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510616156.7A CN105188295B (en) | 2015-09-23 | 2015-09-23 | Tempered glass rear cover with wireless charging function and its manufacturing method |
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| CN201510616156.7A CN105188295B (en) | 2015-09-23 | 2015-09-23 | Tempered glass rear cover with wireless charging function and its manufacturing method |
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| CN105188295A true CN105188295A (en) | 2015-12-23 |
| CN105188295B CN105188295B (en) | 2018-10-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684973A (en) * | 2016-12-15 | 2017-05-17 | 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 |
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| 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 |
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2015
- 2015-09-23 CN CN201510616156.7A patent/CN105188295B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684973A (en) * | 2016-12-15 | 2017-05-17 | 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 |
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105188295B (en) | 2018-10-02 |
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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 |
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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 |