CN202262021U - Six-layer circuit board and electronic terminal - Google Patents
Six-layer circuit board and electronic terminal Download PDFInfo
- Publication number
- CN202262021U CN202262021U CN2011203264588U CN201120326458U CN202262021U CN 202262021 U CN202262021 U CN 202262021U CN 2011203264588 U CN2011203264588 U CN 2011203264588U CN 201120326458 U CN201120326458 U CN 201120326458U CN 202262021 U CN202262021 U CN 202262021U
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Abstract
The utility model provides a six-layer circuit board. The first layer, the fourth layer and the sixth layer are signal wiring layers, the second layer is a power layer, the third layer and the fifth layer are ground wire layers, and an insulation layer is arranged between any two adjacent layers. The utility model also provided with an electronic terminal, which comprises the six-layer circuit board. In the six-layer circuit board, the layout sequence of the circuit board can be adjusted to isolate the wiring layers, the interference caused by wiring on the wiring layers can be avoided, the power layer is close to the ground wire layers and is well coupled with the ground wire layers to form a natural capacitor structure and achieve the effects of a decoupling capacitor, decoupling can be realized with no need for the arrangement of multiple high-frequency capacitors, signals are relatively stable, key wires are arranged in the fourth layer, and mutual interference between the key wires and sensitive elements can be avoided. Since the six-layer circuit board is adopted in the electronic terminal, the signal integrity and stability can be guaranteed.
Description
Technical field
The utility model relates to the electronic product field, more specifically, relates to a kind of 6-layer circuit board and electric terminal.
Background technology
Used 6-layer circuit board in now a lot of electronic products, the common stack-design of existing 6-layer circuit board has following two kinds:
A kind of order of placement of 6-layer circuit board is: TOP (ground floor wiring layer)-GND (ground plane)-Layer3 (three-layer routing layer)-Layer4 (the 4th layer of wiring layer)-POWER (bus plane)-BOTTOM (layer 6 wiring layer), and the advantage of this lamination is TOP, Layer3; Layer4, BOTTOM close on GND or POWER respectively, wiring layer impedance low (reinforcement signal integrity); And GND, two plane layers of POWER are to Layer3, and Layer4 layer cabling has shielding preferably; But Layer3, Layer4 layer cabling possibly exist crosstalks, and GND and POWER are far away at interval; It is little to intercouple, and needs external a plurality of high frequency capacitances to make decoupling.
The order of placement of another kind of 6-layer circuit board is: TOP (ground floor wiring layer)-Layer2 (second layer wiring layer)-GND (ground plane)-POWER (bus plane)-Layer5 (layer 5 wiring layer)-BOTTOM (layer 6 wiring layer); The advantage of this lamination is GND and two plane layer next-door neighbours of POWER; Be equivalent to electric capacity; Better decoupling is arranged, but Layer2, Layer5 is close to TOP and BOTTOM respectively; The hidden danger that has mutual interference mutually between the adjacent Layer2 of TOP (BOTTOM) element layer (Layer5) wiring layer, senser and crucial cabling.
The utility model content
For possibly existing, the 6-layer circuit board cabling that solves prior art crosstalks; Need external a plurality of high frequency capacitance decouplings; And the problem such as hidden danger or one of them that have mutual interference mutually between senser and the crucial cabling; The utility model provides a kind of 6-layer circuit board and a kind of electric terminal, and the utility model is realized through following technical scheme.
On the one hand, the utility model discloses a kind of 6-layer circuit board, ground floor, the 4th layer and layer 6 are signal wiring layer, and the second layer is a bus plane, and the 3rd layer is ground plane with layer 5, adjacent arbitrarily are provided with insulating barrier between two-layer.
On the other hand, the invention also discloses a kind of electric terminal, comprise above-mentioned described 6-layer circuit board.
The disclosed 6-layer circuit board of technical scheme that the utility model provided, the order of placement through the adjustment 6-layer circuit board makes signal wiring layer isolate each other; That has avoided that the wiring layer cabling brought crosstalks, and bus plane and ground plane next-door neighbour intercouple; Form a natural capacitance structure, play the effect of decoupling capacitance, signal is more stable; Crucial cabling is arranged in the 4th layer, and is far away apart from ground floor or layer 6 element layer, avoided the mutual interference mutually between crucial cabling and the senser; Arrange crucial cabling in other the 4th layer, similar coaxial transmission structure, very suitable signal integrity and EMC (electromagnetic compatibility) energy of guaranteeing suppresses; The disclosed electric terminal of another technical scheme that the utility model provided owing to used above-mentioned described 6-layer circuit board, makes signal transmission performance stable, and the phase mutual interference is little, has guaranteed the integrality of signal.
Description of drawings
Fig. 1 shows the structural representation of said 6-layer circuit board one embodiment of the utility model;
Fig. 2 shows described in the 6-layer circuit board shown in Figure 1 the 4th layer structural representation;
Fig. 3 shows the material and the thickness of 6-layer circuit board shown in Figure 1 and arranges sketch map;
Fig. 4 shows described in another embodiment of the said 6-layer circuit board of the utility model the 4th layer structural representation;
Fig. 5 shows the structural representation of one embodiment of electric terminal described in the utility model.
Embodiment
In order more to be expressly understood above-mentioned purpose, the feature and advantage of the utility model, the utility model is further described in detail below in conjunction with accompanying drawing and embodiment.
A lot of details have been set forth in the following description so that make much of the utility model; But; The utility model can also adopt other to be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of following disclosed specific embodiment.
Embodiment 1:
Fig. 1 shows the structural representation of said 6-layer circuit board one embodiment of the utility model, and Fig. 2 shows described in the 6-layer circuit board shown in Figure 1 the 4th layer structural representation, and Fig. 3 shows the material and the thickness of 6-layer circuit board shown in Figure 1 and arranges sketch map.
As shown in Figure 1, present embodiment provides a kind of 6-layer circuit board, and ground floor 1, the 4th layer 4 and layer 66 are signal wiring layer, and the second layer 2 is a bus plane, and the 3rd layer 3 be ground plane with layer 55, any adjacent is provided with insulating barrier between two-layer.
Such layout 6-layer circuit board makes signal wiring layer isolate each other; That has avoided that the wiring layer cabling brought crosstalks, and bus plane and ground plane next-door neighbour intercouple; Form a natural capacitance structure; Play the effect of decoupling capacitance, a lot of high frequency capacitances need be set come decoupling, signal is more stable.
In technique scheme, preferably, the 4th layer of 4 holding wire that is furnished with sensitive signal and/or longer cabling signal.
The holding wire of sensitive signal and/or longer cabling signal is arranged in the 4th layer, far away apart from ground floor 1 or layer 66 element layers, avoided the mutual interference mutually between crucial cabling and the senser.
In technique scheme, preferably, in the 4th layer 4, the holding wire both sides are furnished with ground wire.
As shown in Figure 2, the 4th layer 4 is between two ground planes, if with the ground cabling; Then form spatial masking, holding wire is in the centre, and ground wire surrounds circle; Similar coaxial transmission, very suitable signal integrity and the EMC energy of guaranteeing suppresses, when PCB (printed circuit board) designs; With all sensitive signals, longer cabling signal cloth is at this layer.
In technique scheme, preferably, layer 66 and ground floor 1 are furnished with the holding wire of insensitive signal and/or shorter cabling signal.
Layer 66 also is a good wiring layer, because be close to a complete ground plane.And the bus plane 2 that ground floor 1 next-door neighbour will do to cut apart is unfavorable for the signal of interest wiring, cuts apart the impedance sudden change because stride the plane; Aggravation EMC problem; Only be suitable for arranging some short, insensitive signals, when cutting apart power plane, consider as far as possible that the signal of interest wiring is not striden to cut apart.
Minimum interval between each layer and pcb board material, specification is relevant.As shown in Figure 3; Ground floor 1 and layer 66 have all adopted the Cu (basic copper) of 1/3OZ (ounce); The second layer, the 3rd layer, the 4th layer and layer 5 have adopted the basic copper of 1/1OZ; Wherein the second layer 2 and the 3rd layer of 3 substrate thickness of being formed are 0.1mm, and the 4th layer of 4 substrate thickness of being formed with layer 55 is 0.1mm.
In technique scheme, preferably, the insulating barrier 12 between the ground floor and the second layer and the thickness of the insulating barrier 56 between layer 5 and the layer 6 are 4.05～4.95mil (mil).It is the prepreg insulation board of 2116*1 that present embodiment has all adopted model, and reactance is coupled as 54%, and thickness is 4.5mil.
In technique scheme, preferably, second insulating barrier, 34 thickness are 3.78～4.62mil, and it is the prepreg insulation board of 2116*1 that present embodiment has adopted model, and reactance is coupled as 54%, and thickness is 4.2mil.
In technique scheme, preferably, the thickness of the insulating barrier 45 between the insulating barrier 23 between the second layer and the 3rd layer and the 4th layer and the layer 5 is 0.09～0.11mm.The thickness of these two insulating barriers all has been arranged to 0.1mm in the present embodiment.
In technique scheme, preferably, 6-layer circuit board thickness is 0.8～1.6 millimeter.
In technique scheme, preferably, 6-layer circuit board thickness is 0.8mm, and the laminating 6-layer circuit board thickness that present embodiment provided is 0.7 ± 0.1mm, and thickness of slab was 0.8mm after pressing was accomplished.
In sum, the 6-layer circuit board that present embodiment provided is through the order of placement of adjustment 6-layer circuit board; Make signal wiring layer isolate each other, that has avoided that the wiring layer cabling brought crosstalks bus plane and ground plane next-door neighbour; Intercouple, form a natural capacitance structure, play the effect of decoupling capacitance; A lot of high frequency capacitances need be set come decoupling, signal is more stable, and crucial cabling is arranged in the 4th layer; Far away apart from ground floor or layer 6 element layer, avoided the mutual interference mutually between crucial cabling and the senser, arrange crucial cabling in other the 4th layer; Similar coaxial transmission structure, very suitable assurance signal integrity both EMC (electromagnetic compatibility) energy suppresses.
Embodiment 2:
Fig. 4 shows described in another embodiment of the said 6-layer circuit board of the utility model the 4th layer structural representation.
Present embodiment provides a kind of 6-layer circuit board, and ground floor 1, the 4th layer 4 and layer 66 are signal wiring layer, and the second layer 2 is a bus plane, and the 3rd layer 3 be ground plane with layer 55, any adjacent is provided with insulating barrier between two-layer.
Such layout 6-layer circuit board makes signal wiring layer isolate each other, and that has avoided that the wiring layer cabling brought crosstalks, and bus plane and ground plane next-door neighbour intercouple, and form a natural capacitance structure, play the effect of decoupling capacitance, and signal is more stable.
In technique scheme, preferably, like Fig. 4, the 4th layer of 4 holding wire that is furnished with sensitive signal and/or longer cabling signal.
The holding wire of sensitive signal and/or longer cabling signal is arranged in the 4th layer, far away apart from ground floor 1 or layer 66 element layers, avoided the mutual interference mutually between crucial cabling and the senser.
In technique scheme, preferably, layer 66 and ground floor 1 are furnished with the holding wire of insensitive signal and/or shorter cabling signal.
Layer 66 also is a good wiring layer, because be close to a complete ground plane, can arrange the holding wire that some are less important.And the bus plane 2 that ground floor 1 next-door neighbour will do to cut apart is unfavorable for the signal of interest wiring, cuts apart the impedance sudden change because stride the plane; Aggravation EMC problem; Only be suitable for arranging some short, insensitive signals, when cutting apart power plane, consider as far as possible that the signal of interest wiring is not striden to cut apart.
In sum; The difference of the 6-layer circuit board that the 6-layer circuit board that present embodiment provided and Fig. 1 are extremely shown in Figure 3 is; In the 6-layer circuit board that is provided in the present embodiment in the 4th layer the signal line disposed both sides ground wire is not set, signal integrity and/or EMC energy are suppressed to require can be arranged to the structure of similar coaxial transmission in the undemanding circuit; Under the situation that satisfies the function needs, reduce processing cost and process time as far as possible.
Embodiment 3:
Fig. 5 shows the structural representation of said electric terminal one embodiment of the utility model.
As shown in Figure 5, present embodiment provides a kind of electric terminal 100, includes this 6-layer circuit board 10 that the utility model provides.Certain this 6-layer circuit board possibly be Fig. 1 to 6-layer circuit board shown in Figure 3, also possibly be 6-layer circuit board shown in Figure 4, perhaps according to other embodiment of the utility model.
Above-mentioned electric terminal can be portable terminals such as panel computer, hand held television, PDA, also can be fixed terminals such as large screen television, desktop computer.
The electric terminal that present embodiment provided, owing to adopted the 6-layer circuit board that the utility model provided, through the order of placement of adjustment 6-layer circuit board; Make signal wiring layer isolate each other, that has avoided that the wiring layer cabling brought crosstalks bus plane and ground plane next-door neighbour; Intercouple, form a natural capacitance structure, play the effect of decoupling capacitance; Signal is more stable, and crucial cabling is arranged in the 4th layer, and is far away apart from ground floor or layer 6 element layer; Avoided the mutual interference mutually between crucial cabling and the senser, further, if adopted Fig. 1 to 6-layer circuit board shown in Figure 3; So similar coaxial transmission structure, very suitable assurance signal integrity both EMC (electromagnetic compatibility) energy suppresses, and makes that the operation of electric terminal is more stable.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a 6-layer circuit board is characterized in that, ground floor, the 4th layer and layer 6 are signal wiring layer, and the second layer is a bus plane, and the 3rd layer is ground plane with layer 5, adjacent arbitrarily is provided with insulating barrier between two-layer.
2. 6-layer circuit board according to claim 1 is characterized in that, said the 4th layer of holding wire that is furnished with sensitive signal and/or longer cabling signal.
3. 6-layer circuit board according to claim 2 is characterized in that, in said the 4th layer, said holding wire both sides are furnished with ground wire.
4. 6-layer circuit board according to claim 1 is characterized in that, said layer 6 and said ground floor are furnished with the holding wire of insensitive signal and/or shorter cabling signal.
5. 6-layer circuit board according to claim 1 is characterized in that, the thickness of the insulating barrier between insulating barrier between the said ground floor and the said second layer and said layer 5 and the said layer 6 is 4.05～4.95 mils.
6. 6-layer circuit board according to claim 1 is characterized in that, the thickness of insulating layer between said the 3rd layer and said the 4th layer is 3.78～4.62 mils.
7. 6-layer circuit board according to claim 1 is characterized in that, the thickness of insulating layer between the insulating barrier between the said second layer and said the 3rd layer and said the 4th layer and the said layer 5 is 0.09～0.11mm.
8. 6-layer circuit board according to claim 1 is characterized in that, said 6-layer circuit board thickness is 0.8～1.6 millimeter.
9. 6-layer circuit board according to claim 8 is characterized in that, said 6-layer circuit board thickness is 0.8 millimeter.
10. an electric terminal is characterized in that, comprises like each described 6-layer circuit board in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203264588U CN202262021U (en) | 2011-09-01 | 2011-09-01 | Six-layer circuit board and electronic terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203264588U CN202262021U (en) | 2011-09-01 | 2011-09-01 | Six-layer circuit board and electronic terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202262021U true CN202262021U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203264588U Expired - Lifetime CN202262021U (en) | 2011-09-01 | 2011-09-01 | Six-layer circuit board and electronic terminal |
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| Country | Link |
|---|---|
| CN (1) | CN202262021U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103957686A (en) * | 2014-05-12 | 2014-07-30 | 东莞建仪医疗电子有限公司 | Method for preventing electric signals from being interfered and circuit structure |
| CN104661424A (en) * | 2013-11-20 | 2015-05-27 | 江苏苏杭电子有限公司 | Asymmetric improved structure of six-layer circuit board |
| CN105205260A (en) * | 2015-09-24 | 2015-12-30 | 浪潮电子信息产业股份有限公司 | Low cost and anti-interference dual mode laminated design method |
| CN105657962A (en) * | 2016-03-28 | 2016-06-08 | 莆田市涵江区依吨多层电路有限公司 | Multilayer PCB circuit board |
| CN106304620A (en) * | 2016-10-12 | 2017-01-04 | 广东欧珀移动通信有限公司 | Pcb board and terminal unit |
| CN106714475A (en) * | 2016-12-28 | 2017-05-24 | 盛科网络（苏州）有限公司 | Lamination method of six-layer PCB |
| CN106714445A (en) * | 2016-11-29 | 2017-05-24 | 郑州云海信息技术有限公司 | Multilayer PCB (Printed Circuit Board) |
| CN108306499A (en) * | 2017-01-11 | 2018-07-20 | 北京普源精电科技有限公司 | Reduce the method and device of precision instrument noise jamming |
| CN110418494A (en) * | 2019-07-04 | 2019-11-05 | 武汉精立电子技术有限公司 | A kind of PCB construction for analog-to-digital conversion, AOI detection device |
| CN112203395A (en) * | 2020-09-09 | 2021-01-08 | 武汉光迅科技股份有限公司 | Flexible circuit board |
| CN112881789A (en) * | 2021-04-08 | 2021-06-01 | 中车青岛四方机车车辆股份有限公司 | Overvoltage signal identification method, device, medium and vehicle |
| CN113660763A (en) * | 2020-05-12 | 2021-11-16 | 鹏鼎控股(深圳)股份有限公司 | Circuit board |
| CN114236929A (en) * | 2021-12-28 | 2022-03-25 | 福建新大陆支付技术有限公司 | Method for enhancing liquid crystal anti-interference in radio frequency field |
| CN114567963A (en) * | 2020-11-27 | 2022-05-31 | 中车时代电动汽车股份有限公司 | Motor controller control board and grounding method thereof |
| CN116406081A (en) * | 2023-06-06 | 2023-07-07 | 江苏英拓动力科技有限公司 | Vehicle controller circuit board and vehicle controller using same |
| CN117558707A (en) * | 2023-11-01 | 2024-02-13 | 广芯微电子（广州）股份有限公司 | Three-dimensional metal isolation wiring structure and wiring method for preventing crosstalk |
-
2011
- 2011-09-01 CN CN2011203264588U patent/CN202262021U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661424A (en) * | 2013-11-20 | 2015-05-27 | 江苏苏杭电子有限公司 | Asymmetric improved structure of six-layer circuit board |
| CN103957686A (en) * | 2014-05-12 | 2014-07-30 | 东莞建仪医疗电子有限公司 | Method for preventing electric signals from being interfered and circuit structure |
| CN105205260A (en) * | 2015-09-24 | 2015-12-30 | 浪潮电子信息产业股份有限公司 | Low cost and anti-interference dual mode laminated design method |
| CN105657962A (en) * | 2016-03-28 | 2016-06-08 | 莆田市涵江区依吨多层电路有限公司 | Multilayer PCB circuit board |
| CN105657962B (en) * | 2016-03-28 | 2018-05-18 | 莆田市涵江区依吨多层电路有限公司 | A kind of multilayer PCB circuit board |
| CN106304620B (en) * | 2016-10-12 | 2019-03-29 | Oppo广东移动通信有限公司 | Pcb board and terminal device |
| CN106304620A (en) * | 2016-10-12 | 2017-01-04 | 广东欧珀移动通信有限公司 | Pcb board and terminal unit |
| CN106714445A (en) * | 2016-11-29 | 2017-05-24 | 郑州云海信息技术有限公司 | Multilayer PCB (Printed Circuit Board) |
| CN106714475A (en) * | 2016-12-28 | 2017-05-24 | 盛科网络（苏州）有限公司 | Lamination method of six-layer PCB |
| CN108306499A (en) * | 2017-01-11 | 2018-07-20 | 北京普源精电科技有限公司 | Reduce the method and device of precision instrument noise jamming |
| CN110418494A (en) * | 2019-07-04 | 2019-11-05 | 武汉精立电子技术有限公司 | A kind of PCB construction for analog-to-digital conversion, AOI detection device |
| CN113660763A (en) * | 2020-05-12 | 2021-11-16 | 鹏鼎控股(深圳)股份有限公司 | Circuit board |
| CN113660763B (en) * | 2020-05-12 | 2022-12-06 | 鹏鼎控股(深圳)股份有限公司 | Circuit board |
| CN112203395A (en) * | 2020-09-09 | 2021-01-08 | 武汉光迅科技股份有限公司 | Flexible circuit board |
| CN114567963A (en) * | 2020-11-27 | 2022-05-31 | 中车时代电动汽车股份有限公司 | Motor controller control board and grounding method thereof |
| CN112881789A (en) * | 2021-04-08 | 2021-06-01 | 中车青岛四方机车车辆股份有限公司 | Overvoltage signal identification method, device, medium and vehicle |
| CN114236929A (en) * | 2021-12-28 | 2022-03-25 | 福建新大陆支付技术有限公司 | Method for enhancing liquid crystal anti-interference in radio frequency field |
| CN116406081A (en) * | 2023-06-06 | 2023-07-07 | 江苏英拓动力科技有限公司 | Vehicle controller circuit board and vehicle controller using same |
| CN117558707A (en) * | 2023-11-01 | 2024-02-13 | 广芯微电子（广州）股份有限公司 | Three-dimensional metal isolation wiring structure and wiring method for preventing crosstalk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co., Ltd Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: HISENSE ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |