CN105182395B - X-ray detector and CT system - Google Patents
X-ray detector and CT system Download PDFInfo
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- CN105182395B CN105182395B CN201510623820.0A CN201510623820A CN105182395B CN 105182395 B CN105182395 B CN 105182395B CN 201510623820 A CN201510623820 A CN 201510623820A CN 105182395 B CN105182395 B CN 105182395B
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- signal transmission
- data collection
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- 238000013480 data collection Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000008054 signal transmission Effects 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 239000000306 component Substances 0.000 description 8
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- 238000009434 installation Methods 0.000 description 4
- 238000002591 computed tomography Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses the CT systems of a kind of X-ray detector and the application detector, the detector includes at least one detector module, it is characterized by: the detector module includes X-ray detection unit (1), signal transmission unit (2), data collection plate (3), the X-ray detection unit is for obtaining X-ray signal and being converted into electric signal, the signal transmission unit is for connecting the X-ray detection unit and data collection plate, and the signal transmission unit includes the first hard circuit board, flexible circuit board and the second hard circuit board, one end of flexible circuit board is connected to the first hard circuit board, the other end of flexible circuit board is connected to the second hard circuit board.The structure of signal transmission unit of the invention can avoid the problems such as signal long-distance transmits generated impedance mismatch, distortion.
Description
[technical field]
The present invention relates to computed tomography (Computed Tomography, abbreviation CT) technologies, more particularly to one
Kind X-ray detector and CT system.
[background technique]
Computed tomography is to be scanned with privileged site of the X-ray to human body by certain thickness level, when X is penetrated
When line directive tissue, part ray is absorbed by tissue, and part ray passes through human body and received by detector (detector), is generated
Signal.Because the density degree of the various tissues of human body is different, the penetration capacity of X-ray is different, so penetrating of receiving of detector
Line just has difference.The received this discrepant ray signal of institute is changed into after digital information and is handled by computer,
And it is formed and can be found that the tiny lesion at internal any position according to this image in the image of fluorescence screen display.
Detector is one of core component of CT equipment, is made of several circuit boards, chip and signal interacted system.With
The increase of the number of plies is scanned, data volume is increasing, also higher and higher to the stability requirement of data transmission.While scanning speed
Increase, also the long-term reliability of detector is required higher and higher.
[summary of the invention]
Technical problem to be solved by the invention is to provide a kind of X-ray detector of structure optimization and CT systems.
The present invention to solve above-mentioned technical problem and the technical solution adopted is that: a kind of X-ray detector, including at least one
A detector module, the detector module include X-ray detection unit, signal transmission unit, data collection plate, and the X is penetrated
Line probe unit for obtaining X-ray signal and being converted into electric signal, penetrate for connecting the X by the signal transmission unit
Line probe unit and data collection plate, and the signal transmission unit includes the first hard circuit board, flexible circuit board and second
Hard circuit board, one end of flexible circuit board are connected to the first hard circuit board, and the other end of flexible circuit board is connected to second
Hard circuit board.
Further, the flexible circuit board, the first hard circuit board and the second hard circuit board design knot for integral type
Structure.
Further, one end of the flexible circuit board is embedded in the first hard circuit board, the other end is embedded in the second hard electricity
Road plate.
Further, the first hard circuit board is arranged vertically with the second hard circuit board.
Further, the X-ray detection cell array mode is arranged several scintillation crystals are located at scintillation crystal lower layer
Asic chip and chip substrate for carrying asic chip and scintillation crystal.
The present invention to solve above-mentioned technical problem and the technical solution adopted is that: a kind of CT system, comprising: console master
Machine checks bed system, image reconstruction host and machine frame system；Console host is used to control inspection bed system and machine frame system
The image-forming data acquisition to scanned object is realized in work；Image reconstruction host obtains the life data at scanned position, and rebuilds
The CT image at scanned position is obtained afterwards；The machine frame system includes and X-ray detector and x-ray source the X-ray detection
Device includes several detector modules, and detector module includes X-ray detection unit, signal transmission unit, data collection plate, described
Signal transmission unit is for connecting the X-ray detection unit and data collection plate, and the signal transmission unit has bendable
The middle section of folding and the both ends part for being respectively connected to X-ray detection unit and data collection plate.
Further, the middle section of the transmission unit and both ends part are made of the material of different hardness.
Further, the detector module includes the bracket for being used to support X-ray detection unit and data collection plate.
Further, the X-ray detector includes pedestal, and detector module is installed on pedestal.
Further, the bracket is fixed on pedestal.
The present invention compare the prior art have it is following the utility model has the advantages that signal transmission unit of the invention structure, can avoid
Signal long-distance transmits the problems such as generated impedance mismatch, distortion；Between another aspect fpga chip and data collection plate
With differential signal transmission, the optimization of EMC performance；In addition, each circuit board is more reasonably arranged on bracket, detector is reduced
Overall volume.
[Detailed description of the invention]
Fig. 1 is the CT system schematic diagram of the embodiment of the present invention；
Fig. 2 is the structure chart of the CT system partial devices in Fig. 1；
Fig. 3 is the structure chart of the detector module in Fig. 2；
Fig. 4 is the view of another angle of detector module in Fig. 3；
Fig. 5 is the structural schematic diagram of X-ray detection unit, signal transmission unit；
Fig. 6 is the not connected structural schematic diagram of X-ray detection unit, signal transmission unit and data collection plate；
Fig. 7 is the view of another angle of Fig. 6；
Fig. 8 is the structural schematic diagram of X-ray detection unit, signal transmission unit and the connection of data collection plate；
Fig. 9 is the view of another angle of Fig. 8；
Figure 10 is the structural schematic diagram of bracket；
Figure 11 is the schematic diagram of another angle of bracket in Figure 10；
Figure 12 is the partial structure diagram of X-ray detector；
Figure 13 is X-ray detection unit section structural schematic diagram
[specific embodiment]
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of CT system, and the CT system of the embodiment of the present invention includes console host, checks bed system, figure
As rebuilding a few part compositions such as host and machine frame system.Console host checks bed system according to certain speed edge for controlling
Horizontal direction or up and down direction movement, and machine frame system is cooperated to work.Console host be also used to control machine frame system according to
Certain mode works, and realizes the image-forming data acquisition to scanned object.Image reconstruction host obtains the life at scanned position
Data obtain the CT image at scanned position after rebuilding to it.
Fig. 2 is the structure chart of the CT system partial devices (component) in Fig. 1, including rack 10 and examination couch 20, rack 10
With the rotatable part 10a around system axis S (Z axis for being parallel to coordinate system) rotation.Rotatable part includes X
Ray detector 100 and x-ray source 101.There is rotatable part 10a central point O, central point O to be located on system axis S,
And X-ray detector 100 and x-ray source 101 are positioned opposite, and can rotate around central point O.
Please refer to Fig. 3-12, the X-ray detector 100 in the embodiment of the present invention include several detector modules 102 and
Pedestal 106 for fixed detector module.
Detector module 102 includes X-ray detection unit 1, signal transmission unit 2, data collection plate 3 and bracket 4.
X-ray detection unit 1 is plate-like structure comprising with several scintillation crystals 11 of array manner arrangement, is located at
The asic chip 12 of 11 lower layer of scintillation crystal and chip substrate 13 for carrying asic chip 12 and scintillation crystal 11.The sudden strain of a muscle
Bright crystal 11 can be made of luminescent ceramic materials.Scintillation crystal 11 can be captured accurately across scanned object not same district
The small X-ray signal difference in domain, and it is converted into optical signal.Asic chip 12 is for converting optical signals to electric signal.
Signal transmission unit 2 is hardboard-soft board-hardboard unitary design structure comprising the first hard circuit board 21, soft
Property circuit board 22 and the second hard circuit board 23.The approximate horizontal placement of first hard circuit board 21, the second hard circuit board 23 are big
Vertical placement is caused, one end of flexible circuit board 22 is connected to the first hard circuit board 21, the other end connection of flexible circuit board 22
In the second hard circuit board 23.The both ends of the flexible circuit board are directly embedded into and solidify in the first hard circuit board 21 and second
Hard circuit board 23；The Rigid Flex of integral type flexibly can be fixed and be installed, and the installation for helping to reduce detector is empty
Between and be conducive to signal acquisition.
First hard circuit board 21 is to be connected on chip substrate 13 in a welding manner, can be incited somebody to action in board design
The processing module of control, data and clock signal is placed nearby with 11,12 parts, it is advantageous that: signal damage can be reduced
Consumption, the transmission data stability for improving detector module.
Flexible circuit board 22 is in band-like, and length is short, length 1cm-10cm, preferably 1-5cm.The flexible circuit board 22 is used
In power supply and signal transmission.It is advantageous that: photosensitive part is fixed according to preset bearing, reduces to hard
The influence of plate installation；Length is short avoid crosstalk caused by very multiple signals especially high speed signal long range parallel transmission,
The problems such as electromagnetic interference is strong.The length of flexible circuit board 22 is greater than the first hard circuit board 21, less than the second hard circuit board 23
Length.The thickness of flexible circuit board 22 is less than the first hard circuit board 21, the thickness of the second hard circuit board 23, optionally,
The thickness of flexible circuit board less than the first hard circuit board 21, the thickness of the second hard circuit board 23 half, it is optionally, flexible
One third of the thickness of circuit board 22 less than the first hard circuit board 21, the thickness of the second hard circuit board 23.
Second hard circuit board, 23 front is disposed with one piece of fpga chip 231, compressed data format is used for, after signal compression
It is transmitted, is connected on data collection plate (DAS) 3 in a manner of differential signal, the front of the second hard circuit board 23 is also deposited
Store up chip and other devices.It is advantageous that: on the one hand fpga chip 231 plays relaying, signal long-distance is avoided to pass
The problems such as impedance mismatch caused by defeated, distortion；With differential signal between another aspect fpga chip 231 and data collection plate
Transmission, the optimization of EMC performance.There are dedicated for four screw holes 232 that are fixed and installing, advantage exists second hard circuit board 23
In: be conducive to increase its vibration resistance and temperature-change resistance energy.The back side of the second hard circuit board 23 is also disposed with one and (is
Column) electronic component 233, the electronic component 233 can be fpga chip, singlechip chip, dsp chip, be also possible to capacitor,
The electronic devices such as resistance, operational amplifier.The fpga chip 231 and electronic component 233 are substantially arranged in four screw holes 232
In the range of connecting line surrounds.Further, electric connector is further provided on the back side of the second hard circuit board 23
234, the electric connector 234 is vertically arranged with the second hard circuit board, and electric connector 234 is pin connector, setting
There are several conductive terminals, and conductive terminal is arranged at two rows in the up-down direction.
Data collection plate 3 is put along the vertical direction, and front is provided with electronic component 31, and the electronic component 31 can be
Fpga chip, singlechip chip, dsp chip are also possible to the electronic devices such as capacitor, resistance, operational amplifier.Electronic component
Top is further provided with two electric connectors 32, and two electric connectors 32 are arranged in juxtaposition, and separates in the lateral direction.Electrical connection
Device 32 is vertically arranged with data collection plate 3, and electric connector 32 is socket connector, is disposed with several conductive terminals, and lead
Electric terminal is arranged at two rows in the up-down direction.The electric connector 32 can be plugged in together with electric connector 234, by second
The data of hard circuit board 23 are transmitted to data collection plate 3, and are handled data are further.In addition, data collection plate 3
Four corners are further provided with through-hole 33, for fixing.Data collection plate 3 is equipped with connectivity port 34, which should pass through line
Cable (wire and cable connector) is connected to other veneers (circuit board) of CT data link, and image data is transmitted to figure by data link
As rebuilding host.
Bracket 4 can be manufactured by hard aluminum or aluminum alloy, to promote the effect of heat transfer.The bracket is an integral structure
(integrally casting shaping).The bracket 4 includes the substrate 41 put in the vertical direction, is arranged in the left and right upside of substrate front side
Two mounting parts 42 in portion.The left and right side and middle part of substrate 41 are equipped with several fixation holes 411.The bottom of substrate 41
It is additionally provided with notch 412.Each mounting part 42 is generally L-shaped comprising horizontal-extending flange 421 prolongs straight up
The protrusion 422 stretched.Flange 421 is set there are two the first screw hole 4211, and described two first screw holes 4211 are arranged in the lateral direction.
Protrusion 422 is set there are three the second screw hole 4221, and three second screw holes 4221 are arranged in the longitudinal direction.Certainly, screw hole
Quantity is not limited to present embodiment and is illustrated, and can do corresponding adjustment according to actual needs.
Bracket 4 further includes interconnecting piece 43, is used to connect spaced apart mounting part 42 in the lateral direction, institute
The substantially plate body of interconnecting piece 43 is stated, and five fixation holes 431 are set above it, it is significant to note that, fixation hole 431
Number be not limited thereto, the fixation hole 431 arranged for interval in the lateral direction.The front-end edge of interconnecting piece 43 is equipped with a pair
Notch 432, the notch 432 penetrate through the interconnecting piece 43 in the up-down direction.
Bracket 4 further includes the supporting part 44 positioned at fixed installation portion 42,43 lower section of interconnecting piece, and the supporting part 44 is a plate
Shape body.Supporting part 44 and the upper surface of mounting part 42, interconnecting piece 43 are perpendicular, before the supporting part 44 is located at substrate 41
Just and with substrate 41 it is arranged in parallel.The middle part of supporting part 44 is equipped with recess portion 441.The bottom of the recess portion 441 accommodates there are two setting
Portion 4411, receiving portion 4411 are located at the underface of notch 432；The lower section of receiving portion 4411 is equipped with the fluting of front-rear direction perforation
4412.The left and right sides and middle part of recess portion 441 are equipped with several screw holes 4413.Base portion 41, mounting portion 42, interconnecting piece 43 and carrying
Portion 44 surrounds jointly and forms the conduit extended in left-right direction 45.
Data collection plate 3 is fixed in the front of the base portion 41 of bracket 4, can pass through through-hole 33 simultaneously by the way that screw is (not shown)
Fixation hole 411 is connected to realize.Data collection plate 3 is arranged substantially in parallel with base portion 41.Second hard circuit board 23 is mounted
In the recess portion 441 in rack bearing portion 44, can by screw it is (not shown) pass through through-hole 232 and be connected to screw hole 4413 realize
The fixation of the two.It should be noted that in the present embodiment, recess portion 441 can accommodate two the second hard circuit boards 23, described
Two hard circuit boards 23 are arranged in juxtaposition and substantially parallel with data collection plate 3.X-ray detection unit 1 is disposed in two admittedly
Determine between the protrusion 422 of mounting portion 42, is located by a supporting element (not shown) in the top of interconnecting piece 43, supporting element can
It is fixed by screws in the fixation hole 431 of interconnecting piece 43.X-ray detection unit 1 and the second hard circuit board 23, data collection plate
3 are arranged vertically.Flexible circuit board 22 passes through notch 432.Two X are arranged in juxtaposition between two protrusions 422 in the horizontal direction to penetrate
Line probe unit 1, each X-ray detection unit 1 is against the interior lateral margin with protrusion 422, and each X-ray detection unit 1 and adjacent
Close protrusion 422 is concordant, and X-ray detection unit 1 does not protrude from the upper surface of protrusion 422.
Detector module 102 of the invention is by a bracket 4, by probe unit 1, signal transmission unit 2, data collection
Each plate body of plate 3 is arranged in different ways, makes each component compact, connection and reasonable arrangement in entire detecting module, and fill
Divide and consider the various factors such as the efficient, dissipation from electronic devices of signal transmission, optimizes entire detector module 102.
Further, the pedestal 106 of the X-ray detector 100 in embodiment of the present invention has the branch of substantially camber
Support part 1060 is equipped with two locating slots 1061 above, and two locating slots 1061 extend along the upper surface of support portion 1060, institute
It is roughly the same with the spacing of protrusion 422 in 4 fixed installation portion 42 of bracket to state the width of two locating slots 1061 in the longitudinal direction,
The protrusion 422 is inserted into 1061 in locating slot, and flange 421 is contacted with the upper surface of support portion 1060, by running through support portion
1060 and the screw that is matched with the first screw hole 4211, the second screw hole 4221, realize the secure makeup of bracket 4 and pedestal 106.
It needs to illustrate, embodiment of the present invention includes that several detector modules 102 extend along the upper surface of support portion 1060
Direction arranged for interval, it is preferred that the quantity of detector module 102 be 20 to 60.The further X-ray detection
Device 100 further includes rear baffle 1063, shell composed by front apron (not shown) and upper cover plate (for diagram), by detector module
100 are closed in inside it.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (9)
1. a kind of X-ray detector, including at least one detector module, it is characterised in that: the detector module includes that X is penetrated
Line probe unit, signal transmission unit, data collection plate and bracket, the X-ray detection unit is for obtaining X-ray signal simultaneously
It is converted into electric signal, the signal transmission unit is used to connect the X-ray detection unit and data collection plate, and described
Signal transmission unit includes the first hard circuit board, flexible circuit board and the second hard circuit board, and one end of flexible circuit board connects
It is connected to the first hard circuit board, the other end of flexible circuit board is connected to the second hard circuit board；The bracket includes substrate, two
A mounting part and interconnecting piece, the substrate are put in the vertical direction, the mounting part be arranged in substrate front side it is left,
Top right side portion, the protrusion that the mounting part includes horizontal-extending flange, extends straight up, the interconnecting piece is for connecting
Connect spaced apart two mounting parts in the lateral direction；The data collection plate is fixed in the base portion of the bracket
Front, the X-ray detection unit are resisted against the interior lateral margin of protrusion.
2. X-ray detector according to claim 1, which is characterized in that the flexible circuit board, the first hard circuit board
And second hard circuit board be integral type design structure.
3. X-ray detector according to claim 2, which is characterized in that one end insertion first of the flexible circuit board
Hard circuit board, the other end are embedded in the second hard circuit board.
4. X-ray detector according to claim 1, which is characterized in that the first hard circuit board and the second hard circuit
Plate is arranged vertically.
5. X-ray detector according to claim 1, which is characterized in that the X-ray detection unit includes with array side
Several scintillation crystals of formula arrangement, positioned at the asic chip of scintillation crystal lower layer and for carrying asic chip and scintillation crystal
Chip substrate.
6. a kind of CT system, comprising: console host checks bed system, image reconstruction host and machine frame system；Console host
For controlling the work for checking bed system and machine frame system, the image-forming data acquisition to scanned object is realized；Image reconstruction master
Machine obtains the life data at scanned position, and the CT image at scanned position is obtained after rebuilding；It is characterized by: the rack system
System includes X-ray detector and x-ray source, and the X-ray detector includes several detector modules, and detector module includes X
X-ray detection X unit, signal transmission unit, data collection plate and bracket, the signal transmission unit is for connecting the X-ray
Probe unit and data collection plate, and the signal transmission unit has bent middle section and is respectively connected to X-ray
The both ends part of probe unit and data collection plate；The bracket includes substrate, two mounting parts and interconnecting piece, the base
Plate is put in the vertical direction, and the mounting part is arranged in the left and right upper lateral part of substrate front side, and the mounting part includes
Horizontal-extending flange, the protrusion extended straight up, the interconnecting piece is for connecting in the lateral direction spaced apart two
A mounting part；The data collection plate is fixed in the front of the base portion of the bracket, the X-ray detection unit against
In the interior lateral margin of protrusion.
7. CT system according to claim 6, which is characterized in that the middle section and both ends of the signal transmission unit
Divide and is made of the material of different hardness.
8. CT system according to claim 6, which is characterized in that the X-ray detector includes pedestal, detector module
It is installed on pedestal.
9. CT system according to claim 8, which is characterized in that the bracket is fixed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623820.0A CN105182395B (en) | 2015-09-26 | 2015-09-26 | X-ray detector and CT system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623820.0A CN105182395B (en) | 2015-09-26 | 2015-09-26 | X-ray detector and CT system |
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| Publication Number | Publication Date |
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| CN105182395A CN105182395A (en) | 2015-12-23 |
| CN105182395B true CN105182395B (en) | 2019-02-01 |
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| CN201510623820.0A Active CN105182395B (en) | 2015-09-26 | 2015-09-26 | X-ray detector and CT system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047054A1 (en) * | 2017-09-06 | 2019-03-14 | Shenzhen United Imaging Healthcare Co., Ltd. | Ct detector module and heat dissipation structure |
| CN109782329B (en) * | 2019-01-15 | 2023-03-10 | 上海奕瑞光电子科技股份有限公司 | Flexible X-ray detector |
| CN110338833B (en) * | 2019-07-15 | 2024-01-19 | 泰影(上海)电子科技有限公司 | CT detector module, CT detector and GOS assembly |
| CN114371516A (en) * | 2021-12-22 | 2022-04-19 | 深圳市天和时代电子设备有限公司 | A security inspection machine detector shielding box |
| CN116735631B (en) * | 2023-08-09 | 2024-02-23 | 同源微（北京）半导体技术有限公司 | X-ray imaging detection unit, module and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6931092B2 (en) * | 2003-06-30 | 2005-08-16 | General Electric Company | System and method for thermal management of CT detector circuitry |
| US7606346B2 (en) * | 2007-01-04 | 2009-10-20 | General Electric Company | CT detector module construction |
| US7532703B2 (en) * | 2007-03-28 | 2009-05-12 | General Electric Company | Energy discriminating detector with direct conversion layer and indirect conversion layer |
| US7433443B1 (en) * | 2007-08-29 | 2008-10-07 | General Electric Company | System and method of CT imaging with second tube/detector patching |
| JP5032276B2 (en) * | 2007-11-19 | 2012-09-26 | 株式会社東芝 | Radiation detector |
| US8344955B2 (en) * | 2010-01-08 | 2013-01-01 | Nokia Corporation | Integrated antenna with e-flex technology |
| JP5694892B2 (en) * | 2011-10-19 | 2015-04-01 | 富士フイルム株式会社 | Radiation imaging equipment |
| JP2013088324A (en) * | 2011-10-19 | 2013-05-13 | Fujifilm Corp | Radiological imaging device |
| JP6294055B2 (en) * | 2012-11-27 | 2018-03-14 | キヤノンメディカルシステムズ株式会社 | X-ray CT apparatus and data detection system for X-ray CT apparatus |
| US9638876B2 (en) * | 2013-08-02 | 2017-05-02 | Fci Americas Technology Llc | Opto-electrical transceiver module and active optical cable |
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Address after: 201807 No. 2258 Chengbei Road, Jiading Industrial Zone, Jiading District, Shanghai. Patentee after: Shanghai Lianying Medical Technology Co., Ltd Address before: 201807 No. 2258 Chengbei Road, Jiading Industrial Zone, Jiading District, Shanghai. Patentee before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |
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