CN110459887A - Printed board assembly and its differential connector, shielding buckle - Google Patents
Printed board assembly and its differential connector, shielding buckle Download PDFInfo
- Publication number
- CN110459887A CN110459887A CN201811570798.8A CN201811570798A CN110459887A CN 110459887 A CN110459887 A CN 110459887A CN 201811570798 A CN201811570798 A CN 201811570798A CN 110459887 A CN110459887 A CN 110459887A
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- China
- Prior art keywords
- shielding
- difference signal
- signal pair
- avoid holes
- differential
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to a kind of printed board assembly and its differential connectors, shield buckle, shielding buckle includes plate ontology, plate ontology is equipped with the avoid holes for avoiding Difference signal pair and stretching out for the pin of Difference signal pair, it is additionally provided with the contact portion for contacting conducting with the shielding needle of shielding on piece, aperture edge on the plate ontology in avoid holes is additionally provided with the pad for accommodating printed board so that pad is bonded the holding tank of crimping with Difference signal pair, realize the full-shield to each Difference signal pair, magnetic field energy is reduced to leak, reduce outer signals interference, the pin of Difference signal pair on connector can stretch out avoid holes and connect with printed board, simultaneously because the setting of holding tank can be such that printed board is more bonded with shielding buckle, pad in printed board stretches in holding tank, it is preferably bonded with Difference signal pair together, guarantee two The crimping stability and fitting stability of person, is installed and used convenient for subsequent.
Description
Technical field
The present invention relates to a kind of printed board assembly and its differential connectors, shielding buckle.
Background technique
Printed board assembly in the prior art includes printed board and the differential connector that is welded in printed board, difference connection
Device includes several signal terminals and grounding pin, and wherein signal terminal is arranged by way of differential pair, and corresponding grounding pin is then
It is disposed around the outside of corresponding Difference signal pair, provides electromagnetic shielding to corresponding differential pair to realize.
There are multiple matrix arrangements as shown in the United States Patent (USP) of Publication No. US2007155241A1, in back panel connector
L shape shields piece, and each L shape shielding piece is shielding needle, and L shape shielding piece encloses the Difference signal pair set to it and plays shield effectiveness,
To reduce crosstalk, but each shielding needle is not turned between each other in the inside of back panel connector, therefore each shielding needle
It is an independent signal return flow path, causes return flow path imperfect, be easy to produce resonance, to influences signal higher
Transmission in bandwidth.
Summary of the invention
The purpose of the present invention is to provide a kind of differential connector, cause to flow back in the form of shielding in the prior art to solve
Path is imperfect, leads to the problem of resonance;The object of the invention is also to provide a kind of shielding buckles of differential connector;This
The purpose of invention, which also resides in, provides a kind of printed board assembly using the differential connector.
To achieve the above object, the present invention, which shields the technical solution of buckle, is:
Buckle, including plate ontology are shielded, plate ontology is equipped with for avoiding Difference signal pair and stretching for the pin of Difference signal pair
Avoid holes out are additionally provided with for contacting the contact portion be connected with the shielding needle of shielding on piece, in avoid holes on the plate ontology
Aperture edge be additionally provided with the pad for accommodating printed board so that pad be bonded with Difference signal pair crimping holding tank.
Further, design in order to facilitate processing, the avoid holes be T-type hole, including one end major diameter section and with major diameter section
The path section of connection, the major diameter section form the holding tank.
Further, in order to realize the stability for shielding conducting, the plate ontology is equipped with for fixing company with shielding piece
The connection structure connect.
Further, for the stability being fixedly connected and guarantee shielding conducting realized with shield piece, the connection
Structure includes the convex block for matching with the card slot interference card of shielding on piece being arranged in the plate face of plate ontology.
Further, in order to which structure is more compact, avoid holes are there are two more than, and each avoid holes are in the plate face of plate ontology
Arranged for interval, the convex block are arranged between two adjacent avoid holes.
The technical solution of differential connector of the present invention is:
Differential connector, the differential contact module being arranged side by side including at least two, differential contact module includes insulation support body
Pieces are shielded with being arranged on insulation support body at least two, are equipped with Difference signal pair installation cavity between two adjacent shielding pieces,
Difference signal pair is equipped in Difference signal pair installation cavity, differential connector further includes being fixedly connected with each differential contact module
Buckle is shielded, shielding buckle includes plate ontology, and plate ontology is equipped with for avoiding Difference signal pair and drawing for Difference signal pair
The avoid holes that foot stretches out are additionally provided with and contact the contact portion be connected with the shielding needle of shielding on piece, in avoid holes on the plate ontology
Aperture edge be additionally provided with the pad for accommodating printed board so that pad be bonded with Difference signal pair crimping holding tank.
Further, design in order to facilitate processing, the avoid holes be T-type hole, including one end major diameter section and with major diameter section
The path section of connection, the major diameter section form the holding tank.
Further, in order to realize the stability for shielding conducting, the plate ontology is equipped with and shields what piece was fixedly connected
Connection structure.
Further, for the stability being fixedly connected and guarantee shielding conducting realized with shield piece, on piece is shielded
Equipped with card slot, connection structure includes the convex block for being arranged in the plate face of plate ontology and matching with card slot interference card.
Further, in order to which structure is more compact, avoid holes are there are two more than, and each avoid holes are in the plate face of plate ontology
Arranged for interval, the convex block are arranged between two adjacent avoid holes.
The technical solution of printed board assembly of the present invention is:
Printed board assembly, including printed board and the differential connector being connected in printed board, differential connector includes at least two
The differential contact module being arranged side by side, differential contact module include insulation support body and are arranged at least two on insulation support body
Piece is shielded, Difference signal pair installation cavity is equipped between two adjacent shielding pieces, difference is equipped in Difference signal pair installation cavity and believes
Number right, printed board, which has, realizes the pad being welded and fixed with Difference signal pair press fit, differential connector further include with it is each
The shielding buckle that differential contact module is fixedly connected, shielding buckle include plate ontology, and plate ontology is equipped with for avoiding difference letter
Number to and for Difference signal pair the avoid holes stretched out of pin, be additionally provided with and contact contacting of being connected with the shielding needle of shielding on piece
Portion is additionally provided on the plate ontology in the aperture edge of avoid holes and accommodates pad so that pad is bonded crimping with Difference signal pair
Holding tank.
Further, design in order to facilitate processing, the avoid holes be T-type hole, including one end major diameter section and with major diameter section
The path section of connection, the major diameter section form the holding tank.
Further, in order to realize the stability for shielding conducting, the plate ontology is equipped with and shields what piece was fixedly connected
Connection structure.
Further, for the stability being fixedly connected and guarantee shielding conducting realized with shield piece, on piece is shielded
Equipped with card slot, connection structure includes the convex block for being arranged in the plate face of plate ontology and matching with card slot interference card.
Further, in order to which structure is more compact, avoid holes are there are two more than, and each avoid holes are in the plate face of plate ontology
Arranged for interval, the convex block are arranged between two adjacent avoid holes.
The beneficial effects of the present invention are: compared with the prior art, differential connector according to the present invention, by that will shield
Buckle is connected with the shielding piece of each differential contact module, is serially connected so that each shielding piece be made to pass through shielding buckle, real
It now to the full-shield of each Difference signal pair, reduces magnetic field energy and leaks, reduce outer signals interference, meanwhile, by plate sheet
The holding tank being arranged on body, when connector to be connect with printed board, the pin of the Difference signal pair on connector can stretch out
Avoid holes are connect with printed board, simultaneously because the setting of holding tank can be such that printed board is more bonded with shielding buckle, printed board
On pad stretch in holding tank, the crimping stability and fitting both guaranteed together is preferably bonded with Difference signal pair
Stability is installed and used convenient for subsequent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment 1 of differential connector of the invention;
Fig. 2 is the structural schematic diagram of the shielding buckle in Fig. 1;
Fig. 3 is the assembling structure schematic diagram of the shielding buckle and shielding piece in Fig. 1;
Fig. 4 is the assembling structure schematic diagram of the shielding buckle and differential pair osculating element in Fig. 1;
Fig. 5 is partial enlarged view at the A in Fig. 4;
Fig. 6 is the cross-sectional view of Fig. 4.
Description of symbols: 1- conductive housing part;2- differential pair contacts module;3- shields buckle;4- shields piece;5- is poor
Sub-signal pair;6- insulation support body;31- plate ontology;32- avoid holes;33- perforation;34- locating piece;35- convex block;36- is accommodated
Slot;41- shields needle;42- card slot;61- locating slot.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of differential connector of the invention, as shown in Figures 1 to 6, which includes conductive shell
Body component 1, the interior differential pairs contact module 2 being sticked side by side equipped with several of conductive housing part 1, each differential pair contact module
2 including insulation support body 6 and several Difference signal pairs 5 being arranged on insulation support body 6, each 5 edge of Difference signal pair
Up and down direction is arranged side by side, and is equipped with screen between two adjacent Difference signal pairs 5 and except outermost Difference signal pair 5
Piece 4 is covered, each shielding piece 4 all has shielding needle 41, and definition shielding needle 41 is located at the front side of shielding piece 4 and front and back extends, also
It is to be formed with differential pair installation cavity between two adjacent shielding pieces 4, Difference signal pair 5 is equipped in differential pair installation cavity, at this
In embodiment, above-mentioned each differential pair contact module 2 is linked together by connector combination, while before shielding piece 4
End is connected with shielding buckle 3.Above-mentioned shielding buckle 3 and each shielding piece 4 are constituted for forming ring shielding to differential pair
Differential pair shielding construction.
For shielding buckle 3, in the present embodiment, shielding buckle 3 includes plate ontology 31, before penetrating through on plate ontology 31
Two sides plate face, which extends the avoid holes 32 being equipped with for avoiding Difference signal pair 5, afterwards will shield button in actual assembling process
When plate 3 be located on the front end on shielding piece 4, Difference signal pair 5 passes through avoid holes 32 and connects with corresponding printed board.When
So, in the present embodiment, the setting of avoid holes 32 also forms ring shielding to the Difference signal pair 5 in avoid holes 32, realizes letter
Number stable delivery, reduce magnetic field energy leak, reduce outer signals interference.
There are also the contact portion for realizing conducting is contacted with the contact of shielding piece 4 on plate ontology 31, the setting of contact portion is main
It is to realize by the series connection conducting of shielding piece 4 of each 5 side of Difference signal pair, to realize to each Difference signal pair 5
Full-shield.In the present embodiment, card slot 42 is arranged with and with 42 interference card of card slot with realization two on plate ontology 31 and shielding piece 4
The convex block 35 that person is fixedly connected, the relative position that design can be realized shielding buckle 3 and shield between piece 4 in this way are fixed, are guaranteed
Shield the stability of conducting.In the present embodiment, it shields and is recessed with U-lag to rear side on piece 4, U-lag constitutes card slot 42, corresponding
Be equipped with the convex block 35 matched with U-lag interference card on shielding buckle 3.Setting can be designed and manufactured conveniently in this way, be shielded simultaneously
It covers and forms a complete shielding cavity between buckle 3 and shielding piece 4, reduce magnetic field energy and leak, reduce outer signals interference.In
In the present embodiment, in order to further realize simplified structure design, improves shielding buckle 3 and shield the company of each position of piece 4
Connect stability.Avoid holes 32 are there are two more than, and each avoid holes 32 are in arranged for interval in the plate face of plate ontology 31, above-mentioned card slot
42 are arranged between two adjacent differential pair installation cavitys, on corresponding plate ontology 31 between two adjacent avoid holes 32
Corresponding position is equipped with the convex block 35.It can be realized in this way by the position of 32 side of avoid holes relatively fixed with shielding piece 4
Connection.
In the present embodiment simultaneously, above-mentioned contact portion is arranged on convex block 35, can make bulk shielding buckle 3 in this way
Structure is more anxious compact, integrates higher.Plate ontology 31 is equipped with the perforation 33 protruded into of shielding needle 41 for shielding piece 4, perforates 33
Hole wall constitutes above-mentioned contact portion, and the side of the corresponding shielding needle 41 in shielding piece 4 punctures side equipped with what is radially extended, inciting somebody to action
It when shielding needle 41 is protruded into perforation 33, punctures side and punctures 33 inner walls of perforation and be in close contact with perforation 33, to realize shielding piece 4
Shielding between shielding buckle 3 is connected, and this conducting form structure is more stable, and reliability is higher.
The locating slot 61 for bit mask buckle 3 is additionally provided on insulation support body 6, only by shielding buckle 3
The accurate positioning of convex block 35 and the card of card slot 42 with the position that cannot achieve shielding buckle 3, therefore have on insulation support body 6 above-mentioned
Locating slot 61, it is corresponding that the locating piece 34 for be adapted to locating slot 61 and positioning grafting is equipped on the plate ontology 31 of shielding buckle 3,
In the present embodiment, in order to realize automatic guide to just, above-mentioned locating slot 61 is dovetail groove, and dovetail groove is flaring structure, right
The locating piece 34 answered be with the matched trapezoid block of trapezoid groove structure, the guiding to locating piece 34 is realized by the two sides waist of dovetail groove
Insertion.Meanwhile above-mentioned perforation 33 is located at the opposite two sides of the width direction (namely up and down direction) of avoid holes 32, it is corresponding
Locating piece 34 is located at the opposite two sides of the length direction of avoid holes 32, and shielding buckle 3 can be stablized to accurate button in this way and set admittedly
It is scheduled on shielding piece 4.
Further, in the present embodiment, the front end pin of above-mentioned Difference signal pair 5 needs to be welded in printed board,
In the present embodiment, the holding tank 36 for accommodating the pad of printed board is equipped on the front face of shielding buckle 3, above-mentioned keeps away
It allows hole 32 that the slot bottom center of holding tank 36 is set, can be protruded into this way for the pad of printed board exhausted with Difference signal pair 5
Edge body relatively connects pressing, improves the reliability of crimping.In the present embodiment avoid holes 32 be T-shaped hole, including major diameter section and with
The path section of major diameter section connection, wherein holding tank 36 is made of the major diameter section of avoid holes 32.The section of major diameter section is and weldering simultaneously
The rectangular surfaces structure of disk adaptation.
Certainly, in the present embodiment, in order to realize the stability of shielding conducting, the material of above-mentioned shielding buckle 3 can be with
For metal material, it is also possible to be formed by plastic electroplating material.Meanwhile in the present embodiment, above-mentioned avoid holes 32 have multiple,
Corresponding avoid holes 32 in the plate face of version body along the vertical direction with left and right directions array arrange.This two adjacent simultaneously column
The dislocation arrangement of avoid holes 32.
The above embodiments 1 are the optimization embodiments of differential connector of the invention, in other embodiments, can be with
Its structure is optimized and simplified according to the actual needs.
The embodiment 2 of differential connector of the invention simplifies the structure of differential connector, specifically in the present embodiment
Being includes at least two differential contact modules being arranged side by side, and differential contact module includes that insulation support body and setting are being insulated
At least two shield piece on supporter, and Difference signal pair installation cavity, Difference signal pair peace are equipped between two adjacent shielding pieces
Difference signal pair is equipped in behaveing affectedly, it is characterised in that: differential connector further includes being fixedly connected with each differential contact module
Buckle is shielded, shielding buckle includes plate ontology, and plate ontology is equipped with for avoiding Difference signal pair and drawing for Difference signal pair
The avoid holes that foot stretches out are additionally provided with and contact the contact portion be connected with the shielding needle of shielding on piece, in avoid holes on the plate ontology
Aperture edge be additionally provided with the pad for accommodating printed board so that pad be bonded with Difference signal pair crimping holding tank.
By the way that shielding buckle is connected with the shielding piece of each differential contact module, so that each shielding piece be made to pass through screen
It covers buckle to be serially connected, realizes the full-shield to each Difference signal pair, reduce magnetic field energy and leak, it is dry to reduce outer signals
It disturbs, meanwhile, the difference letter by the holding tank being arranged on plate ontology, when connector to be connect with printed board, on connector
Number pair pin can stretch out avoid holes and connect with printed board, simultaneously because the setting of holding tank can be such that printed board and shielding detains
Both plate is more bonded, and the pad in printed board stretches in holding tank, is preferably bonded together with Difference signal pair, guarantee
Stability and fitting stability are crimped, is installed and used convenient for subsequent.
The embodiment 3 of differential connector of the invention, as advanced optimizing to embodiment 2, the avoid holes are T-type
Hole, including path section one end major diameter section and connect with major diameter section, the major diameter section forms the holding tank, and structure is simpler
It is single and easy to process, certainly, in other embodiments, the accommodate groove for penetrating through both ends can be set on plate ontology, and
Avoid holes are set on through slot bottom wall.
The embodiment 4 of differential connector of the invention is advanced optimized as to embodiment 2 or 3, on the plate ontology
Equipped with the connection structure being fixedly connected with shielding piece.Realize that shielding buckle shields letter with being fixedly connected between piece, guarantee is shielded
Number conducting stability, certainly, in other embodiments, can directly will shield buckle and differential contact module insulator phase
To fixation.
The embodiment 5 of differential connector of the invention shields on piece and is equipped with card as advanced optimizing to embodiment 4
Slot, connection structure include the convex block for being arranged in the plate face of plate ontology and matching with card slot interference card, by shielding piece and shielding
The mutual interference card of the card slot and convex block that set up separately on buckle is matched, to guarantee to shield buckle and shield the relative position between piece
It is fixed, it further ensure that the shielding stability of full frame shield structure.Certainly, in other embodiments, snap finger can also be passed through
Being fixedly connected for the two is realized with the fit structure of locked groove.
The embodiment 6 of differential connector of the invention, as advanced optimizing to embodiment 5, avoid holes there are two with
On, in arranged for interval in the plate face of plate ontology, the convex block is arranged between two adjacent avoid holes each avoid holes.Pass through
Convex block is set between two adjacent avoid holes, facilitates design, guarantee is integrally-built to be stably connected with, while being facilitated force to close and being torn open
Dress.Certainly, in other embodiments, card slot can also be set on plate ontology, convex block is set in shielding on piece;It can not also be
Convex block is set between two adjacent avoid holes, is directly arranged in the edge of buckle, while the shielding piece in corresponding position
Upper setting card slot.
The embodiment of shielding buckle according to the present invention, any one embodiment of structure and above-mentioned differential connector
In shielding buckle structure it is consistent, be no longer developed in details.
Printed board assembly according to the present invention, including printed board and the differential connector being arranged in printed board, difference
The structure of connector is consistent with the structure of any embodiment of above-mentioned differential connector, is no longer developed in details.
Claims (10)
1. shielding buckle, it is characterised in that: including plate ontology, plate ontology is equipped with for avoiding Difference signal pair and believing for difference
Number pair pin stretch out avoid holes, be additionally provided with for shielding on piece shielding needle contact be connected contact portion, the plate sheet
Aperture edge on body in avoid holes is additionally provided with the pad for accommodating printed board so that pad is bonded pressure with Difference signal pair
The holding tank connect.
2. shielding buckle according to claim 1, it is characterised in that: the avoid holes are T-type hole, including one end major diameter section
The path section connecting with major diameter section, the major diameter section form the holding tank.
3. shielding buckle according to claim 1 or 2, it is characterised in that: the plate ontology be equipped with for shielding piece
The connection structure being fixedly connected.
4. shielding buckle according to claim 3, it is characterised in that: the connection structure includes the plate that plate ontology is arranged in
The convex block for matching with the card slot interference card of shielding on piece on face.
5. shielding buckle according to claim 4, it is characterised in that: avoid holes are there are two more than, and each avoid holes are in plate
Arranged for interval in the plate face of ontology, the convex block are arranged between two adjacent avoid holes.
6. differential connector, the differential contact module being arranged side by side including at least two, differential contact module includes insulating supporting
Body shields pieces with being arranged on insulation support body at least two, is equipped with Difference signal pair between two adjacent shielding pieces and installs
Chamber is equipped with Difference signal pair in Difference signal pair installation cavity, it is characterised in that: differential connector further includes and each differential contact
The shielding buckle that module is fixedly connected, shielding buckle include plate ontology, and plate ontology is equipped with for avoiding Difference signal pair and supplying
The avoid holes that the pin of Difference signal pair stretches out are additionally provided with the contact portion that conducting is contacted with the shielding needle of shielding on piece, the plate
Aperture edge on ontology in avoid holes is additionally provided with the pad for accommodating printed board so that pad is bonded with Difference signal pair
The holding tank of crimping.
7. differential connector according to claim 6, it is characterised in that: the avoid holes are T-type hole, including one end major diameter
Section and the path section connecting with major diameter section, the major diameter section form the holding tank.
8. differential connector according to claim 6 or 7, it is characterised in that: the plate ontology is equipped with solid with shielding piece
Surely the connection structure connected.
9. differential connector according to claim 8, it is characterised in that: shielding on piece is equipped with card slot, and connection structure includes
The convex block for being arranged in the plate face of plate ontology and matching with card slot interference card.
10. printed board assembly, including printed board and the differential connector being connected in printed board, differential connector includes at least two
A differential contact module being arranged side by side, differential contact module include insulation support body and are arranged at least two on insulation support body
A shielding piece is equipped with Difference signal pair installation cavity between two adjacent shielding pieces, is equipped with difference in Difference signal pair installation cavity
Signal pair, printed board, which has, realizes the pad being welded and fixed with Difference signal pair press fit, it is characterised in that: differential connector
It further include the shielding buckle being fixedly connected with each differential contact module, shielding buckle includes plate ontology, and plate ontology, which is equipped with, to be used
In evacuation Difference signal pair and for the avoid holes of the pin of Difference signal pair stretching, it is additionally provided with and is contacted with the shielding needle of shielding on piece
The contact portion of conducting is additionally provided on the plate ontology in the aperture edge of avoid holes and accommodates pad so that pad and differential signal
To the holding tank of fitting crimping.
Applications Claiming Priority (2)
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CN2018107150597 | 2018-06-29 | ||
CN201810715059 | 2018-06-29 |
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CN110459887A true CN110459887A (en) | 2019-11-15 |
CN110459887B CN110459887B (en) | 2021-09-03 |
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Cited By (1)
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CN112636046A (en) * | 2020-11-30 | 2021-04-09 | 中航光电科技股份有限公司 | Chip of orthogonal connector, orthogonal connector and connector assembly |
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