CN101841079B - Printed circuit board (PCB) for bearing feed pad in mobile phone antenna and antenna - Google Patents
Printed circuit board (PCB) for bearing feed pad in mobile phone antenna and antenna Download PDFInfo
- Publication number
- CN101841079B CN101841079B CN 201010170525 CN201010170525A CN101841079B CN 101841079 B CN101841079 B CN 101841079B CN 201010170525 CN201010170525 CN 201010170525 CN 201010170525 A CN201010170525 A CN 201010170525A CN 101841079 B CN101841079 B CN 101841079B
- Authority
- CN
- China
- Prior art keywords
- pcb
- feed pad
- antenna
- gnd plane
- pcb board
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Abstract
The invention belongs to the technical field of printed circuit boards (PCBs), and discloses a PCB for bearing a feed pad in a mobile phone antenna and an antenna. The PCB comprises at least one PCB material layer, at least one PCB routing layer and a GND plane, wherein the PCB routing layer is not arranged below the feed pad; the GND plane is positioned between the PCB material layers below the feed pad; the GND plane is connected with the PCB routing layer in the same layer; and the GND plane is also connected with the feed pad. In the PCB, the GND plane is arranged between the PCB material layers below the feed pad, connected with the feed pad and isolated from electromagnetic interference (EMI) among the feed pad, the antenna and the back of the PCB, so that routing can be performed below the GND plane of the PCB and components can be arranged below the GND plane of the PCB, the using space of the PCB in the antenna is enlarged, and the service efficiency of the PCB in the antenna is improved.
Description
Technical field
The invention belongs to the PCB technical field, be specifically related to a kind of pcb board and antenna for carrying antenna for mobile phone feed pad.
Background technology
Along with the continuous development of portable terminal technology, the user is also more and more higher to its inside components and parts performance demands.
Printed circuit board (PCB) (the Printed Circuit Board of TD mobile phone radio frequency part in the prior art, PCB) in, antenna for mobile phone is connected with the feed pad contact by antenna shrapnel, and radiofrequency signal is connected with antenna by feed pad, and then realizes transmitting and receiving of radiofrequency signal.
Wherein, antenna shrapnel is the mechanical spring structure, feed pad is by connecting to form a completed antenna body with antenna, feed pad belongs to the part of antenna, that is to say that feed pad itself also is radiant body, all must empty pcb board so reach the pcb board of feed pad lower floor around the feed pad, make antenna radiator that free space be arranged.
See also Fig. 1, the cross-sectional layers of pcb board in Fig. 1 prior art, this pcb board comprises that PCB material layers 121 ", PCB routing layer 122 " and PCB empty structure 123 " (the PCB routing layer namely is not set).
Wherein, pcb board shown in Figure 1 is 8 veneer structures, feed pad 11 " under pcb board all must empty to PCB empty structure 123 ", because PCB empties structure 123 and " has blocked PCB routing layer 122 ", causing feed pad 11 " down just can not cabling; can not put components and parts on the pcb board at the corresponding back side, limit the usage space of antenna greatly, reduce the service efficiency of antenna.
How increasing the usage space of pcb board in the antenna, improve the service efficiency of pcb board in the antenna, is one of direction of PCB technical field research.
Summary of the invention
The object of the present invention is to provide a kind of pcb board for carrying antenna for mobile phone feed pad, be intended to increase the usage space of pcb board in the antenna, improve the service efficiency of pcb board in the antenna.
The embodiment of the invention is to realize like this, a kind of pcb board for carrying antenna for mobile phone feed pad, comprise one deck PCB material layers and one deck PCB routing layer at least at least, wherein, the below of described feed pad does not arrange the PCB routing layer, also comprises the GND plane, and described GND plane is between the PCB material layers below the described feed pad, described GND plane is connected with the PCB routing layer that is positioned at layer, and described GND plane also is connected with feed pad.
The pcb board that is used for carrying antenna for mobile phone feed pad that the embodiment of the invention provides, wherein, the width of described feed pad is identical with the width on described GND plane.
The pcb board that is used for carrying antenna for mobile phone feed pad that the embodiment of the invention provides, wherein, described GND plane is the Copper Foil plane.
The embodiment of the invention also provides a kind of antenna, comprise feed pad, described antenna comprises that also one is used for the pcb board of carrying antenna for mobile phone feed pad, described pcb board comprises one deck PCB material layers and one deck PCB routing layer at least at least, wherein, the below of described feed pad does not arrange the PCB routing layer, described pcb board also comprises the GND plane, described GND plane is between the PCB material layers below the described feed pad, described GND plane is connected with the PCB routing layer that is positioned at layer, and described GND plane also is connected with feed pad.
The antenna that the embodiment of the invention provides, wherein, the width of described feed pad is identical with the width on described GND plane.
The antenna that the embodiment of the invention provides, wherein, described GND plane is the Copper Foil plane.
The embodiment of the invention is by arranging the GND plane between the PCB material layers below the feed pad, the GND plane connects feed pad, since the GND planar isolated EMI interference at feed pad, antenna and the PCB back side, making under the GND plane of pcb board also can cabling and layout components and parts, both increase the usage space of pcb board in the antenna, improved the service efficiency of pcb board in the antenna again.
Description of drawings
Fig. 1 is the cross-sectional layers of pcb board in the prior art;
The cross-sectional layers for the pcb board that carries the antenna for mobile phone feed pad that Fig. 2 provides for the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
See also Fig. 2, the schematic cross-section for the pcb board that carries the antenna for mobile phone feed pad that Fig. 2 provides for the embodiment of the invention.
The embodiment of the invention is that copper foil plate is that example describes with the pcb board, can certainly be other materials, does not enumerate one by one herein.
Wherein, the top of the pcb board among Fig. 2 is feed pad 11.Described pcb board comprises that PCB material layers 121, PCB routing layer 122, PCB empty structure 123 (the PCB routing layer namely is not set) and GND plane 124.
In specific implementation process, described pcb board is 8 layers of structure, feed pad 11 times wherein one deck PCB routing layer 123 be provided with GND plane 124.
Be not difficult to find out that from figure described GND plane 124 is between the PCB material layers 121 below the described feed pad 11, described GND plane 124 is connected with the PCB routing layer 122 that is positioned at layer, and certainly, described GND plane also is connected with feed pad 11.Wherein, GND plane 124 can be arranged on any one PCB routing layer 122.
Preferably, described GND plane 124 is the Copper Foil plane, can certainly be other metal flat, does not enumerate one by one herein.
In specific implementation process, the width of described feed pad 11 is identical with the width on described GND plane 124.The embodiment of the invention is based on the microstrip transmission line theory, by adjusting the width of feed pad 11, makes feed pad 11 reach 50 ohms impedance match requirements with reference to GND plane 124, the microstrip transmission line that just becomes of feed pad 11, rather than radiant body like this.
And, in embodiments of the present invention, because GND plane 124 has isolated electromagnetic interference (the Electromagnetic Interference at feed pad 11, antenna and the pcb board back side, EMI), make that the GND plane 124 times of pcb board also can cabling and layout components and parts, improve the space availability ratio of pcb board greatly, made things convenient for the design of pcb board.
The embodiment of the invention also provides a kind of antenna, and described antenna comprises the pcb board that is used for carrying antenna for mobile phone feed pad that the embodiment of the invention provides, in view of this pcb board in above existing detailed description, repeat no more herein.
The embodiment of the invention is by arranging the GND plane between the PCB material layers below the feed pad, the GND plane connects feed pad, since the GND planar isolated EMI interference at feed pad, antenna and the PCB back side, making under the GND plane of pcb board also can cabling and layout components and parts, both increase the usage space of pcb board in the antenna, improved the service efficiency of pcb board in the antenna again.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (4)
1. pcb board that is used for carrying antenna for mobile phone feed pad, comprise one deck PCB material layers and one deck PCB routing layer at least at least, wherein, the below of described feed pad does not arrange the PCB routing layer, it is characterized in that, also comprise the GND plane, described GND plane is between the PCB material layers below the described feed pad, described GND plane is connected with the PCB routing layer that is positioned at layer, and described GND plane also is connected with feed pad;
The width of described feed pad is identical with the width on described GND plane, and described feed pad is microstrip transmission line.
2. the pcb board for carrying antenna for mobile phone feed pad as claimed in claim 1 is characterized in that described GND plane is the Copper Foil plane.
3. antenna, comprise feed pad, it is characterized in that, described antenna comprises that also one is used for the pcb board of carrying antenna for mobile phone feed pad, described pcb board comprises one deck PCB material layers and one deck PCB routing layer at least at least, wherein, the below of described feed pad does not arrange the PCB routing layer, described pcb board also comprises the GND plane, described GND plane is between the PCB material layers below the described feed pad, described GND plane is connected with the PCB routing layer that is positioned at layer, and described GND plane also is connected with feed pad;
The width of described feed pad is identical with the width on described GND plane, and described feed pad is microstrip transmission line.
4. antenna as claimed in claim 3 is characterized in that, described GND plane is the Copper Foil plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010170525 CN101841079B (en) | 2010-04-21 | 2010-04-21 | Printed circuit board (PCB) for bearing feed pad in mobile phone antenna and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010170525 CN101841079B (en) | 2010-04-21 | 2010-04-21 | Printed circuit board (PCB) for bearing feed pad in mobile phone antenna and antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101841079A CN101841079A (en) | 2010-09-22 |
| CN101841079B true CN101841079B (en) | 2013-08-14 |
Family
ID=42744297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010170525 Expired - Fee Related CN101841079B (en) | 2010-04-21 | 2010-04-21 | Printed circuit board (PCB) for bearing feed pad in mobile phone antenna and antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101841079B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102143647B (en) * | 2010-11-25 | 2014-08-20 | 华为机器有限公司 | Circuit board and manufacturing method thereof |
| CN103857181A (en) * | 2012-12-06 | 2014-06-11 | 华为终端有限公司 | PCB and electronic equipment with PCB |
| CN107948355B (en) * | 2017-11-20 | 2020-03-10 | Oppo广东移动通信有限公司 | Circuit board capable of improving antenna radiation performance and terminal equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487624A (en) * | 2002-08-27 | 2004-04-07 | 阿尔卑斯电气株式会社 | Antenna apparatus with stable character and long service life |
| CN2807617Y (en) * | 2005-07-04 | 2006-08-16 | 于江宏 | Mobile phone circuit board for improving function of mobile phone antenna |
| CN201682052U (en) * | 2010-04-21 | 2010-12-22 | 惠州Tcl移动通信有限公司 | Printed circuit board (PCB) used for bearing feeding bonding pad of mobile phone antenna and antenna |
-
2010
- 2010-04-21 CN CN 201010170525 patent/CN101841079B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487624A (en) * | 2002-08-27 | 2004-04-07 | 阿尔卑斯电气株式会社 | Antenna apparatus with stable character and long service life |
| CN2807617Y (en) * | 2005-07-04 | 2006-08-16 | 于江宏 | Mobile phone circuit board for improving function of mobile phone antenna |
| CN201682052U (en) * | 2010-04-21 | 2010-12-22 | 惠州Tcl移动通信有限公司 | Printed circuit board (PCB) used for bearing feeding bonding pad of mobile phone antenna and antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101841079A (en) | 2010-09-22 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201229 Address after: 225700 plant area (Economic Development Zone), 2nd floor, No.2 factory building, Xinghua science and technology entrepreneurship center, Taizhou City, Jiangsu Province Patentee after: Jiangsu JieChuang Enterprise Management Co.,Ltd. Address before: 511400 No.106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a4845 (cluster registration) (JM) Patentee before: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Effective date of registration: 20201229 Address after: 511400 No.106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a4845 (cluster registration) (JM) Patentee after: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Address before: 516006 TCL mobile communication company, No. 23 residential district, Huizhou hi tech Development Zone, Huicheng District, Guangdong Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220111 Address after: 252000 room 1801, 18 / F, alicloud innovation center, Liaocheng high tech Zone, Shandong Province Patentee after: Shandong sheyun Information Technology Co.,Ltd. Address before: 225700 plant area (Economic Development Zone), 2nd floor, No.2 factory building, Xinghua science and technology entrepreneurship center, Taizhou City, Jiangsu Province Patentee before: Jiangsu JieChuang Enterprise Management Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 |