CN104733848A - Novel NFC antenna and manufacturing technology thereof - Google Patents
Novel NFC antenna and manufacturing technology thereof Download PDFInfo
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- CN104733848A CN104733848A CN201510156847.3A CN201510156847A CN104733848A CN 104733848 A CN104733848 A CN 104733848A CN 201510156847 A CN201510156847 A CN 201510156847A CN 104733848 A CN104733848 A CN 104733848A
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- wire
- magnetic sheet
- nfc antenna
- wire jumper
- jumper
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Abstract
The invention relates to an NFC antenna and a manufacturing technology thereof, in particular to a novel NFC antenna and a manufacturing technology thereof to transfer a silk-screen antenna on a magnetic sheet to form a thin and fine NFC antenna. The novel NFC antenna mainly comprises the magnetic sheet and a wire. The wire is composed of coils at the head end and the tail end and coils between the head end and the tail end. The coils coil to form a spiral line. The head end and the tail end of the wire are electrically connected with a receiving end jumper and a transmitting end jumper through the NFC antenna respectively. The wire is a transfer silk-screen layer covering the front face of the magnetic sheet. The magnetic sheet is provided with a penetrating through hole, the back face of the magnetic sheet is connected with the receiving end jumper and the transmitting end jumper, and the receiving end jumper and the transmitting end jumper penetrate through the through hole of the magnetic sheet to be electrically connected with the head end and the tail end of the wire respectively to form a power-on loop in which the receiving end and the transmitting end are connected. The technology is simple, machining is easy, cost and resources are saved, and the requirement of modern scientific development for energy saving and environmentally friendly industrial production is met.
Description
Technical field
The present invention relates to a kind of NFC antenna and preparation method thereof, on espespecially a kind of magnetic sheet, transfer printing silk-screen antenna conductor forms the novel NFC antenna of one and the manufacture craft thereof of thin thin NFC antenna.
Background technology
Along with the development of mobile device, the accessory that use synchronous with it, parts are constantly progress also, get over intelligence, in Development Technology now, a large amount of electronic products has had the function of wireless transmission, critical elements--the antenna for launching and receive electromagnetic wave energy then can be related in wireless transmitting system, wherein the application of NFC antenna technology in smart machine is also more and more wider, develop also more and more faster, NFC antenna technology shows excellent along with scientific and technological rapid advances also Yu, NFC is a kind of non contact angle measurement and interconnection technique, can at mobile device, PC, the Tool Rooms such as smart control carry out wireless near field communication, traditional NFC antenna general by circuit board, magnetic sheet and conducting wire composition, conducting wire is arranged between circuit board and magnetic sheet, circuit board and magnetic sheet adopt colloid or adhesive tape with bonded to each other, the NFC antenna formed in this approach is thicker, take up room also large, also the volume of large equipment is virtually added when being applied in mobile device, and the method processing technology is loaded down with trivial details, during mass production, cost is higher, and long processing time, be unfavorable for the first evolutionary development of mobile device.
Summary of the invention
For solving the problem, the present invention is intended to open a kind of NFC antenna and preparation method thereof, and on espespecially a kind of magnetic sheet, transfer printing silk-screen antenna conductor forms the novel NFC antenna of one and the manufacture craft thereof of thin thin NFC antenna.
For achieving the above object, the technical solution used in the present invention is: a kind of novel NFC antenna, described NFC antenna mainly comprises magnetic sheet and wire, it is characterized in that: described wire is made up of the coil between first, last two ends and first, last two ends, coil panel is around formation helical form circuit, the head end of wire, end are electrically connected with receiving terminal wire jumper and the transmitting terminal wire jumper of NFC antenna respectively, and described wire is the transfer printing silk-screen layer covering magnetic sheet surface; Described magnetic sheet offers the through hole run through, the front of magnetic sheet is provided with the silk-screen conductor layer of transfer printing, the reverse side of magnetic sheet is connected with receiving terminal wire jumper and transmitting terminal wire jumper, wherein, receiving terminal wire jumper is electrically connected with wire head end through the through hole of magnetic sheet, transmitting terminal wire jumper is electrically connected with wire end through the through hole of magnetic sheet, to form the power circuit that receiving terminal and transmitting terminal pass through company.
Described wire forms conductor wire by conductive paste silk-screen, and conductor wire is conductive silver material, or is conductive copper material, or is electrical conductivity alloy line.
The receiving terminal wire jumper of described NFC antenna and transmitting terminal wire jumper are be connected to the head and end of wire and the conductive lead wire extended to outside magnetic sheet.
Described receiving terminal wire jumper and transmitting terminal wire jumper can be conductive gold foil matter, or copper-foil conducting electricity material, or conductive aluminum foil material, or electrical conductivity alloy material.
Described magnetic sheet is the anti-interference magnetic sheet of ferrite.
A kind of novel NFC antenna manufacture craft, it is characterized in that, described manufacture craft comprises the following steps:
S1, adopting conductive paste silk-screen to form conductor layer on glass, when adopting conductive silver paste, adopting 65-78% conductive silver powder and 15-22% solvent, 6-10% cosolvent to be mixed to form conductive silver paste, when employing conductive copper paste, copper content is 96% or more;
S2, offer two through holes run through on described magnetic sheet surface near the position at top, be then transferred on the front of magnetic sheet by silk-screen conductor layer, the wire head end of conductor layer and wire end are separately positioned on the through hole offered just to place;
S3, described receiving terminal wire jumper and transmitting terminal wire jumper to be electrically connected with wire head end and wire end respectively from through hole, and the region beyond the reverse side top extending to magnetic sheet, form wire jumper layer, and with the connection of this fixing cord layer and wire jumper layer and arrange orientation on magnetic sheet;
S4, cover insulating barrier at the non-external contact point place of conductor layer and wire jumper layer, and stamp anti-oxidation conducting resinl at external contact point place, complete the making of described NFC antenna.
Beneficial effect of the present invention is embodied in: the present invention adopts the method for transfer printing silk-screen, the conductor layer of silk-screen is transferred in magnetic sheet surface, technique is simple and easy to processing, also make to produce raw material to reduce, greatly reduce the original cost of manufacture, also saving resource while cost-saving, is applicable to the requirement that modernization development in science and technology is produced energy-saving environmental protection industrial; The present invention also to adopt on magnetic sheet perforate then by the method for perforate fixing cord, make connection closely, Stability Analysis of Structures, overcome the shortcoming that original employing tape-stripping causes volume thickening, simultaneously because conductor layer and wire jumper layer are connected to the positive and negative of magnetic sheet, just because of be not cross-linked between circuit, make electric conductivity at all unaffected, radio transmission performance is also interference-free; And the present invention has used conductive silver wire or conductive copper wire or electrical conductivity alloy line as conductor wire, ensure that the electric conductivity of antenna, when the present invention is applied on Intelligent mobile equipment, not only play the effect of Radio Transmission Technology better, and because of its thickness little thus make equipment thinning, also make equipment more lightly be more convenient for carrying, can be applied in plurality of devices extensive, long-range, relievedly, be of value to the development and progression of modernization industrial technology simultaneously.
Accompanying drawing explanation
Fig. 1 is magnetic sheet front schematic view of the present invention.
Fig. 2 is magnetic sheet reverse side schematic diagram of the present invention.
Accompanying drawing mark illustrates: 1-magnetic sheet, 2-wire head end, 3-wire end, 4-coil, 5-receiving terminal wire jumper, 6-transmitting terminal wire jumper, 7-front, 8-reverse side, 9-through hole.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing:
A kind of novel NFC antenna, described NFC antenna mainly comprises magnetic sheet 1 and wire, described wire is made up of the coil 4 between first, last two ends and first, last two ends, coil 4 winding escalator curl circuit, the head end of wire, end are electrically connected with receiving terminal wire jumper 5 and the transmitting terminal wire jumper 6 of NFC antenna respectively, and described wire is the transfer printing silk-screen layer covering magnetic sheet 1 surface; Wire forms conductor wire by conductive paste silk-screen, and conductor wire is conductive silver material, or is conductive copper material, or is electrical conductivity alloy line; Described magnetic sheet 1 is the anti-interference magnetic sheet of ferrite, magnetic sheet 1 offers the through hole 9 run through, the front 7 of magnetic sheet is provided with the silk-screen conductor layer of transfer printing, the reverse side 8 of magnetic sheet is connected with receiving terminal wire jumper 5 and transmitting terminal wire jumper 6, wherein, receiving terminal wire jumper 5 is electrically connected with wire head end 2 through the through hole 9 of magnetic sheet, and transmitting terminal wire jumper 6 is electrically connected with wire end 3 through the through hole 9 of magnetic sheet, to form the power circuit that receiving terminal and transmitting terminal pass through company; The receiving terminal wire jumper 5 of described NFC antenna and transmitting terminal wire jumper 6 are for being connected to the head and end of wire and the conductive lead wire extended to outside magnetic sheet 1, described receiving terminal wire jumper 5 and transmitting terminal wire jumper 6 can be conductive gold foil matter, or copper-foil conducting electricity material, or conductive aluminum foil material, or electrical conductivity alloy material.
A kind of novel NFC antenna manufacture craft comprises the following steps:
S1, employing conductive paste silk-screen form conductor layer on glass, when adopting conductive silver paste, 65-78% conductive silver powder and 15-22% solvent, 6-10% cosolvent is adopted to be mixed to form conductive silver paste, in the present embodiment, conductive silver paste preferably can be mixed with by 72% silver powder, 20% solvent and 8% cosolvent and form; When adopting conductive copper paste, copper content is 96% or more;
S2, offer two through holes run through 9 on described magnetic sheet 1 surface near the position at top, be then transferred on the front 7 of magnetic sheet by silk-screen conductor layer, wire head end 2 and the wire end 3 of conductor layer are separately positioned on the through hole 9 offered just to place;
S3, described receiving terminal wire jumper 5 and transmitting terminal wire jumper 6 to be electrically connected with wire head end 2 and wire end 3 respectively from through hole 9, and the region beyond reverse side 8 top extending to magnetic sheet, form wire jumper layer, and with the connection of this fixing cord layer and wire jumper layer and arrange orientation on magnetic sheet 1;
S4, cover insulating barrier at the non-external contact point place of conductor layer and wire jumper layer, and stamp anti-oxidation conducting resinl at external contact point place, complete the making of described NFC antenna.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, the technical staff of the industry, under the inspiration of the technical program, some distortion and amendment can be made, every above embodiment is done according to technical spirit of the present invention any amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a novel NFC antenna, described NFC antenna mainly comprises magnetic sheet and wire, it is characterized in that: described wire is made up of the coil between first, last two ends and first, last two ends, coil panel is around formation helical form circuit, the head end of wire, end are electrically connected with receiving terminal wire jumper and the transmitting terminal wire jumper of NFC antenna respectively, and described wire is the transfer printing silk-screen layer covering magnetic sheet surface; Described magnetic sheet offers the through hole run through, the front of magnetic sheet is provided with the silk-screen conductor layer of transfer printing, the reverse side of magnetic sheet is connected with receiving terminal wire jumper and transmitting terminal wire jumper, wherein, receiving terminal wire jumper is electrically connected with wire head end through the through hole of magnetic sheet, transmitting terminal wire jumper is electrically connected with wire end through the through hole of magnetic sheet, to form the power circuit that receiving terminal and transmitting terminal pass through company.
2. the novel NFC antenna of one according to claim 1, is characterized in that: described wire forms conductor wire by conductive paste silk-screen, and conductor wire is conductive silver material, or is conductive copper material, or is electrical conductivity alloy line.
3. the novel NFC antenna of one according to claim 1 and 2, is characterized in that: the receiving terminal wire jumper of described NFC antenna and transmitting terminal wire jumper are be connected to the head and end of wire and the conductive lead wire extended to outside magnetic sheet.
4. the novel NFC antenna of one according to claim 3, is characterized in that: described receiving terminal wire jumper and transmitting terminal wire jumper can be conductive gold foil matter, or copper-foil conducting electricity material, or conductive aluminum foil material, or electrical conductivity alloy material.
5. the novel NFC antenna of one according to claim 1, is characterized in that: described magnetic sheet is the anti-interference magnetic sheet of ferrite.
6. a novel NFC antenna manufacture craft, is characterized in that, described manufacture craft comprises the following steps:
S1, adopting conductive paste silk-screen to form conductor layer on glass, when adopting conductive silver paste, adopting 65-78% conductive silver powder and 15-22% solvent, 6-10% cosolvent to be mixed to form conductive silver paste, when employing conductive copper paste, copper content is 96% or more;
S2, offer two through holes run through on described magnetic sheet surface near the position at top, be then transferred on the front of magnetic sheet by silk-screen conductor layer, the wire head end of conductor layer and wire end are separately positioned on the through hole offered just to place;
S3, described receiving terminal wire jumper and transmitting terminal wire jumper to be electrically connected with wire head end and wire end respectively from through hole, and the region beyond the reverse side top extending to magnetic sheet, form wire jumper layer, and with the connection of this fixing cord layer and wire jumper layer and arrange orientation on magnetic sheet;
S4, cover insulating barrier at the non-external contact point place of conductor layer and wire jumper layer, and stamp anti-oxidation conducting resinl at external contact point place, complete the making of described NFC antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156847.3A CN104733848A (en) | 2015-04-03 | 2015-04-03 | Novel NFC antenna and manufacturing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156847.3A CN104733848A (en) | 2015-04-03 | 2015-04-03 | Novel NFC antenna and manufacturing technology thereof |
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| CN104733848A true CN104733848A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510156847.3A Pending CN104733848A (en) | 2015-04-03 | 2015-04-03 | Novel NFC antenna and manufacturing technology thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071039A (en) * | 2015-07-28 | 2015-11-18 | 深圳顺络电子股份有限公司 | NFC antenna |
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| CN102263327A (en) * | 2011-08-04 | 2011-11-30 | 瑞声声学科技(深圳)有限公司 | Manufacturing method of radio frequency identification antenna |
| CN103715501A (en) * | 2013-12-26 | 2014-04-09 | 惠州Tcl移动通信有限公司 | NFC antenna, mobile terminal and manufacturing method of NFC antenna |
| CN103746181A (en) * | 2013-12-31 | 2014-04-23 | 瑞声科技(沭阳)有限公司 | NFC (Near Field Communication) antenna and manufacturing method thereof |
| WO2014083990A1 (en) * | 2012-11-28 | 2014-06-05 | 株式会社村田製作所 | Interface and communication device |
| KR20140109336A (en) * | 2013-03-05 | 2014-09-15 | 주식회사 아모센스 | Composite Sheet for Shielding Magnetic Field and Electromagnetic Wave and Antenna Module Using the Same |
| CN104321928A (en) * | 2012-03-23 | 2015-01-28 | Lg伊诺特有限公司 | Antenna assembly and method for manufacturing same |
| CN204596943U (en) * | 2015-04-03 | 2015-08-26 | 研鑫电子科技（东莞）有限公司 | A kind of novel NFC antenna |
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2015
- 2015-04-03 CN CN201510156847.3A patent/CN104733848A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263327A (en) * | 2011-08-04 | 2011-11-30 | 瑞声声学科技(深圳)有限公司 | Manufacturing method of radio frequency identification antenna |
| CN104321928A (en) * | 2012-03-23 | 2015-01-28 | Lg伊诺特有限公司 | Antenna assembly and method for manufacturing same |
| WO2014083990A1 (en) * | 2012-11-28 | 2014-06-05 | 株式会社村田製作所 | Interface and communication device |
| KR20140109336A (en) * | 2013-03-05 | 2014-09-15 | 주식회사 아모센스 | Composite Sheet for Shielding Magnetic Field and Electromagnetic Wave and Antenna Module Using the Same |
| CN103715501A (en) * | 2013-12-26 | 2014-04-09 | 惠州Tcl移动通信有限公司 | NFC antenna, mobile terminal and manufacturing method of NFC antenna |
| CN103746181A (en) * | 2013-12-31 | 2014-04-23 | 瑞声科技(沭阳)有限公司 | NFC (Near Field Communication) antenna and manufacturing method thereof |
| CN204596943U (en) * | 2015-04-03 | 2015-08-26 | 研鑫电子科技（东莞）有限公司 | A kind of novel NFC antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071039A (en) * | 2015-07-28 | 2015-11-18 | 深圳顺络电子股份有限公司 | NFC antenna |
| CN105071039B (en) * | 2015-07-28 | 2018-08-03 | 深圳顺络电子股份有限公司 | A kind of NFC antenna |
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Application publication date: 20150624 |