CN106099514B - A kind of QSFP connectors of high frequency signal transmission - Google Patents

A kind of QSFP connectors of high frequency signal transmission Download PDF

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Publication number
CN106099514B
CN106099514B CN201610640644.6A CN201610640644A CN106099514B CN 106099514 B CN106099514 B CN 106099514B CN 201610640644 A CN201610640644 A CN 201610640644A CN 106099514 B CN106099514 B CN 106099514B
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CN
China
Prior art keywords
terminal
signal terminal
mounting portion
contact site
signal
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Active
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CN201610640644.6A
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Chinese (zh)
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CN106099514A (en
Inventor
李建华
陈康
刘振华
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FCI Connectors Dongguan Co Ltd
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FCI Connectors Dongguan Co Ltd
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Priority to CN201610640644.6A priority Critical patent/CN106099514B/en
Publication of CN106099514A publication Critical patent/CN106099514A/en
Application granted granted Critical
Publication of CN106099514B publication Critical patent/CN106099514B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/514Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members

Abstract

The invention discloses a kind of QSFP connectors of high frequency signal transmission, including insulating body, terminal module and the terminal fixing part being sequentially retained on terminal module in insulating body, terminal module includes ground terminal and the signal terminal set being made of several signal terminals, signal terminal includes contact site, mounting portion, connect the connecting portion of contact site and mounting portion, ground terminal includes substrate, several contact sites that bending extends out below along the left side in base panel length direction, it extends out and the corresponding several mounting portions of contact site along the lower right-hand side bending of base panel length direction, contact site, substrate and mounting portion form bridge like ground terminal;Clearance space is both provided between per adjacent two contact site and per adjacent two mounting portion, signal terminal set is correspondingly arranged in each clearance space;The beneficial effects of the invention are as follows:Independent grounding terminal group in old technology is arranged to a piece of ground terminal, expands the ground connection effectiveness of ground terminal, increases shield effectiveness.

Description

A kind of QSFP connectors of high frequency signal transmission
Technical field
The present invention relates to QSFP high-speed electrical connectors technical fields, more particularly to a kind of structure by improveing ground strip Promote the QSFP connectors of the high frequency signal transmission of shield effectiveness.
Background technology
QSFP(Quad Small Form-factor Pluggable):Four-way SFP interfaces (QSFP), QSFP be in order to Meet the needs of market is to more highdensity high speed pluggable solution and be born.QSFP high speed signal electric connectors are extensive For communicating, storing, the faces such as data transmission, a kind of fiber solution can be used as, and to be superior to 4 logical for speed and density Road CX4 interfaces.Since the data that can support four passages under the identical port volumes of XFP with the speed of every passage 10Gbps pass It is defeated, so the density of QSFP can reach 4 times of XFP products, 3 times of SFP+ products.With 4 passages and density ratio CX4 high The pluggable interface transmission rate that QSFP interfaces have used this 4 passages of by InfiniBand standards has reached 40Gbps. Ripe key technology has been applied in the design in many XFP.
However, with the progress of science and technology, requirement of the people to message transmission rate is higher and higher, therefore QSFP+ is met the tendency of And give birth to, the pluggable interface transmission rate of its this 4 passage has reached 100Gbps, therefore with broader market prospects. However, with the promotion of transmission rate, while increase the difficulty of manufacture, cause that product structure is unstable, and production cost is high The shortcomings of, especially how to ensure the high uniformity of each contact jaw bullet in the structure of contact terminal installation, become the prior art Have to one of structure problem solved.
A kind of holding structure of the QSFP+ high speed signals terminal referred to inside 204668540 U of Chinese patent notification number CN In terminal set-up mode be mode that horizontal alignment is placed, then terminal is fixed in same level by holding structure. The set-up mode of this terminal, shield effectiveness are unsatisfactory, it would be highly desirable to improve.
The content of the invention
In order to solve the above-mentioned problems of the prior art, it is an object of the invention to provide a kind of high frequency signal transmissions Several ground terminals are connected by QSFP connectors by same ground strip, so as to play better earth shield effect, so as to Promote anti-crosstalk performance.
The technical solution adopted by the present invention is:The QSFP connectors of a kind of high frequency signal transmission, including insulating body, terminal Module and the terminal fixing part being sequentially retained on terminal module in insulating body, the terminal module include ground terminal and The signal terminal set being made of several signal terminals, the signal terminal include contact site, mounting portion, connection contact site and installation The connecting portion in portion, if the ground terminal includes substrate, the stem grafting to extend out along bending below the left side in base panel length direction Contact portion extends out and the corresponding several mounting portions of contact site along the lower right-hand side bending of base panel length direction, the contact site, Substrate and mounting portion form bridge like ground terminal;Between being both provided between every adjacent two contact site and every adjacent two mounting portion Every being correspondingly arranged on signal terminal set in space, each clearance space;The contact site of each signal terminal, connection Portion, the contact site of mounting portion and ground terminal, the equal horizontal alignment of mounting portion are arranged in same level;The upper table of the substrate Face is above contact site, mounting portion, the upper surface of signal terminal set.
The contact site of the ground terminal is arranged to 6 sections, and the mounting portion is arranged to 6 sections corresponding with contact site;Institute State the first contact site, the first mounting portion and the second contact site, the second mounting portion forms the first clearance space;Second contact Portion, the second mounting portion and the 3rd contact site, the 3rd mounting portion form the second clearance space;3rd contact site, the 3rd installation Portion forms the 3rd clearance space with the 4th contact site, the 4th mounting portion;4th contact site, the 4th mounting portion are contacted with the 5th Portion, the 5th mounting portion form the 4th clearance space;5th contact site, the 5th mounting portion and the 6th contact site, the 6th installation Portion forms the 5th clearance space;The signal terminal set includes the first signal terminal set, secondary signal terminal group, the 3rd letter successively Number terminal group, fourth signal terminal group, the 5th signal terminal set, first signal terminal set are arranged on the first clearance space It is interior;The secondary signal terminal group is arranged in the second clearance space;It is empty that 3rd signal terminal set is arranged on the 3rd interval In;The fourth signal terminal group is arranged in the 4th clearance space;5th signal terminal set is arranged on the 5th interval In space;Letter in first signal terminal set, secondary signal terminal group, fourth signal terminal group, the 5th signal terminal set Number terminal contact portion and mounting portion are of same size, and the width of the connecting portion is less than contact site and mounting portion;3rd signal The signal terminal contact site of terminal group, mounting portion, connecting portion are of same size.
First signal terminal set, secondary signal terminal group, fourth signal terminal group, the 5th signal terminal set are by two Piece signal terminal forms;3rd signal terminal set is made of five signal terminals;First clearance space, the second interval Space, the 4th clearance space, the spacing distance of the 5th clearance space are equal;The spacing distance of 3rd clearance space is more than the One clearance space, the second clearance space, the 4th clearance space, the spacing distance of the 5th clearance space.
The terminal fixing part includes first terminal retaining piece and Second terminal retaining piece, the mounting portion of the ground terminal It is each attached to the mounting portion of signal terminal on first terminal retaining piece;The connection of the substrate and signal terminal of the ground terminal Portion is fixed on Second terminal retaining piece.
The center of the upper surface of the substrate offers first through hole, and the Second terminal retaining piece offers second Through hole.The first through hole and the second through hole are used to the positioning during production shaping, to ensure every substrate or second The production precision of terminal fixing part, so that it is guaranteed that the quality of product.
The head of the ground terminal contact portion is arranged to arcuation domes;The head of the signal terminal contact site is set It is set to arcuation domes.
The length of the signal terminal connecting portion is corresponding with the width of substrate.
The both sides in the substrate width direction offer rectangular notch, which is used for the positioning in production process, Substrate to be ensured not shift during processing machining accuracy is caused to have error.
The mounting portion of the ground terminal and signal terminal includes horizontal segment, vertical section, connection horizontal segment and vertical section First bending angle, with vertical section connection and the second bending angle opposite with the first bending angle wrap direction.
The terminal fixing part is fixed terminal module by injection molding process.
Advantageous effect of the invention is:
1st, ground terminal include substrate, along base panel length direction left side below bending extend out several contact sites, It extends out old skill along the lower right-hand side bending of base panel length direction with the corresponding several mounting portions of contact site and this structure Independent grounding terminal group in art is arranged to a piece of ground terminal, expands the ground connection effectiveness of ground terminal, increases shield effectiveness;
2nd, the contact site of ground terminal, substrate and mounting portion form bridge-like structure, per adjacent two contact site and per adjacent two Clearance space is both provided between mounting portion, signal terminal set is correspondingly arranged in each clearance space;Each signal terminal Contact site, connecting portion, the equal horizontal alignment of contact site, the mounting portion of mounting portion and ground terminal are arranged in same level;Institute The upper surface for stating substrate is above contact site, mounting portion, the upper surface of signal terminal set, and substrate covers the connecting portion of signal terminal It covers, it would be possible to which outside the noise export electric connector for causing crosstalk, shielding is more fully simple in structure.
Description of the drawings
Fig. 1 is the complete product view of the present invention.
Fig. 2 is the structure diagram of the terminal module with terminal retaining piece.
Fig. 3 is the structure diagram of ground terminal.
Fig. 4 is the structure diagram of signal terminal set.
Fig. 5 is the structure diagram of terminal module.
Fig. 6 is the sectional view of terminal module.
Wherein:
- 2 first terminal retaining piece -3 of -1 Second terminal retaining piece of insulating body
- 5 first signal terminal set -6 of -4 signal terminal of ground terminal
- 8 fourth signal terminal group -9 of the 3rd signal terminal set of secondary signal terminal group -7
- 10 contact site -11 of 5th signal terminal set, 11' connecting portions -12
Mounting portion -13, the first contact sites -14 of 13', the first clearance spaces -15 of 14'
- 17 second clearance space -18 of -16 substrate of first through hole
The 5th clearance space -21 of 3rd -19 second bending angle -20 of clearance space
- 23 domes -24 of -22 notch of 4th clearance space, 24'
Second contact site -25, the 3rd contact sites -26 of 25', the 4th contact sites -27 of 26', 27'
5th contact site -28, the 6th contact sites -29 of 28', 29' vertical sections -30
- 32 horizontal segment -33 of -31 second through hole of terminal module
First bending angle -34
Specific embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
It is shown in reference picture 1, Fig. 2, the QSFP connectors of a kind of high frequency signal transmission, including insulating body 1, terminal module 31 And terminal module 31 is sequentially retained on to the terminal fixing part in insulating body 1, terminal fixing part passes through injection molding process Terminal module 31 is fixed.Terminal fixing part includes first terminal retaining piece 3 and Second terminal retaining piece 2.
With reference to shown in Fig. 4 and Fig. 6, signal terminal 5 includes contact site 11, mounting portion 13, connection contact site 11 and mounting portion 13 connecting portion 12.The head of 5 contact site 11 of signal terminal is arranged to arcuation domes 24.
With reference to shown in Fig. 3 and Fig. 6, ground terminal 4 includes substrate 17, prolongs along bending below the left side of 17 length direction of substrate Several contact site 11' for stretching, extend out along 17 length direction lower right-hand side bending of substrate it is corresponding with contact site 11' Several mounting portion 13', contact site 11', substrate 17 and mounting portion 13' form bridge like ground terminal.4 contact site 11' of ground terminal Head be arranged to arcuation domes 24'.
With reference to shown in Fig. 2 and Fig. 3, the mounting portion 13' of ground terminal 4 and the mounting portion 13 of signal terminal 5 are each attached to the On one terminal retaining piece 3;The substrate 17 of ground terminal 4 and the connecting portion 12 of signal terminal 5 are fixed on Second terminal retaining piece 2 On.The center of the upper surface of substrate 17 offers first through hole 16, and Second terminal retaining piece 2 offers the second through hole 32. 16 and second through hole 32 of first through hole is used to the positioning during production shaping, to ensure every substrate 17 or the second The production precision of terminal fixing part 2, so that it is guaranteed that the quality of product.
With reference to shown in Fig. 4, terminal module 31 includes ground terminal 4 and the signal terminal set being made of several signal terminals 5. Signal terminal set includes the first signal terminal set 6, secondary signal terminal group 7, the 3rd signal terminal set 8, fourth signal end successively Subgroup 9, the 5th signal terminal set 10.
With reference to shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, ground terminal is per adjacent two contact sites 11' and per adjacent two mounting portions 13' Between be both provided with clearance space, be correspondingly arranged on signal terminal set in each clearance space.The contact site of each signal terminal 5 11st, connecting portion 12, mounting portion 13 and contact site 11', the equal horizontal alignments of mounting portion 13' of ground terminal 4 are arranged on same level On face.The upper surface of substrate 17 is above contact site 11,11', mounting portion 13,13', the upper surface of signal terminal set.Signal end The length of sub 5 connecting portions 12 is corresponding with the width of substrate 17.The mounting portion 13' of the ground terminal 4 and signal terminal 5,13 Including horizontal segment 33, vertical section 30, connection horizontal segment 33 be connected with the first bending angle 34 of vertical section 30, with vertical section 30 and with The second opposite bending angle 20 of first bending angle, 34 wrap direction.The both sides of 17 width of substrate offer rectangular notch 23. The rectangular notch 23 is used for the positioning in production process, is caused so that substrate 17 is ensured not shift during processing Machining accuracy has error.
The contact site 11' of ground terminal 4 is arranged to 6 sections, and mounting portion 13' is arranged to 6 sections corresponding with contact site 11'.6 Section contact site 11' is followed successively by according to putting in order:First contact site 14, the second contact site 25, the contact of the 3rd contact site the 26, the 4th Portion 27, the 5th contact site 28, the 6th contact site 29.Wherein, the first contact site 14, the first mounting portion 14' and the second contact site 25, Second mounting portion 25' forms the first clearance space 15;Second contact site 25, the second mounting portion 25' and the 3rd contact site 26, 3rd mounting portion 26' forms the second clearance space 18;3rd contact site 26, the 3rd mounting portion 26' and the 4th contact site 27, 4th mounting portion 27' forms the 3rd clearance space 19;4th contact site 27, the 4th mounting portion 27' and the 5th contact site 28, 5th mounting portion 28' forms the 4th clearance space 22;5th contact site 28, the 5th mounting portion 28' and the 6th contact site 29, 6th mounting portion 29' forms the 5th clearance space 21.
First signal terminal set 6 is arranged in the first clearance space 15;Secondary signal terminal group 7 is arranged on the second interval sky Between in 18;3rd signal terminal set 8 is arranged in the 3rd clearance space 19;It is empty that fourth signal terminal group 9 is arranged on the 4th interval Between in 22;5th signal terminal set 10 is arranged in the 5th clearance space 21.
First signal terminal set 6, secondary signal terminal group 7, fourth signal terminal group 9, the 5th signal terminal set 10 by Two panels signal terminal 5 forms;3rd signal terminal set 8 is made of five signal terminals 5;First clearance space 15, second is spaced Space 18, the 4th clearance space 22, the spacing distance of the 5th clearance space 21 are equal;The spacing distance of 3rd clearance space 19 is big In the first clearance space 15, the second clearance space 18, the 4th clearance space 22, the 5th clearance space 21 spacing distance.
In first signal terminal set 6, secondary signal terminal group 7, fourth signal terminal group 9, the 5th signal terminal set 10 Signal terminal contact site 11 is of same size with mounting portion 13, and the width of the connecting portion 12 is less than contact site 11 and mounting portion 13; The signal terminal contact site 11 of 3rd signal terminal set 8, mounting portion 13, connecting portion 12 are of same size.
The central inventive point of this technology is:Independent grounding terminal group in old technology is arranged to a piece of ground terminal, Sharing for ground terminal is realized, expands the ground connection effectiveness of ground terminal, increases shield effectiveness.In addition, the ground connection of bridge-like structure Terminal, substrate cover the connecting portion of signal terminal, it would be possible to outside the noise export electric connector for causing crosstalk, screen It covers more fully, it is simple in structure.
The present inventor is tested for the above embodiment, does not improve cross-talk and the improvement of ground terminal connector The cross-talk test result comparison of ground terminal sub-connector is as follows afterwards:
By above-mentioned contrast table, the cross-talk of the connector of this technology is significantly lower than the cross-talk in old technology Interference.
Above-described embodiment is only that the basic principles, principal features and advantages of the present invention have been shown and described.The skill of the industry Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these Changes and improvements all fall within the protetion scope of the claimed invention.

Claims (8)

1. a kind of QSFP connectors of high frequency signal transmission, including insulating body (1), terminal module (31) and by terminal module (31) the terminal fixing part being sequentially retained in insulating body (1), the terminal module (31) include ground terminal (4) and if by The signal terminal set of dry signal terminal (5) composition, the signal terminal (5) include contact site (11), mounting portion (13), connect The connecting portion (12) of contact portion (11) and mounting portion (13), it is characterised in that:The ground terminal (4) includes substrate (17), along base Bending extends out below the left side of piece (17) length direction several ground terminal contact portions (11'), along substrate (17) length Direction lower right-hand side bending extends out and the corresponding several ground terminal mounting portions (13') of ground terminal contact portion (11'), The ground terminal contact portion (11'), substrate (17) and ground terminal mounting portion (13') form bridge like ground terminal;Per adjacent It is empty that interval is both provided between two ground terminal contact portions (11') and every adjacent two ground terminal mounting portions (13') Between, it is correspondingly arranged on signal terminal set in each clearance space;The contact site (11) of each signal terminal (5) connects Socket part (12), mounting portion (13) and ground terminal contact portion (11'), ground terminal mounting portion (13') horizontal alignment are arranged on In same level;The upper surface of the substrate (17) is above the contact site (11,11') of signal terminal and ground terminal, letter Mounting portion (13,13'), the upper surface of signal terminal set of number terminal and ground terminal;The connecting portion of the signal terminal (5) (12) length is corresponding with the width of substrate (17);The ground terminal (4) and the mounting portion (13', 13) of signal terminal (5) Including the first bending angle (34) of horizontal segment (33), vertical section (30), connection horizontal segment (33) with vertical section (30) and vertical section (30) connection and the second bending angle (20) opposite with first bending angle (34) wrap direction;Substrate is by the connecting portion of signal terminal It covers.
2. a kind of QSFP connectors of high frequency signal transmission according to claim 1, it is characterised in that:The ground terminal (4) contact site (11') is arranged to 6 sections, and the ground terminal mounting portion (13') is arranged to and ground terminal contact portion (11') phase Corresponding 6 sections;First contact site (14), the first mounting portion (14') and the second contact site (25), the second mounting portion (25') formation First clearance space (15);Second contact site (25), the second mounting portion (25') and the 3rd contact site (26), the 3rd installation Portion (26') forms the second clearance space (18);3rd contact site (26), the 3rd mounting portion (26') and the 4th contact site (27), the 4th mounting portion (27') forms the 3rd clearance space (19);4th contact site (27), the 4th mounting portion (27') with 5th contact site (28), the 5th mounting portion (28') form the 4th clearance space (22);5th contact site (28), the 5th peace Dress portion (28') forms the 5th clearance space (21) with the 6th contact site (29), the 6th mounting portion (29');The signal terminal set Include the first signal terminal set (6), secondary signal terminal group (7), the 3rd signal terminal set (8), fourth signal terminal group successively (9), the 5th signal terminal set (10), first signal terminal set (6) are arranged in the first clearance space (15);Described second Signal terminal set (7) is arranged in the second clearance space (18);3rd signal terminal set (8) is arranged on the 3rd clearance space (19) in;The fourth signal terminal group (9) is arranged in the 4th clearance space (22);5th signal terminal set (10) sets It puts in the 5th clearance space (21);First signal terminal set (6), secondary signal terminal group (7), fourth signal terminal group (9), the signal terminal contact site (11) in the 5th signal terminal set (10) and signal terminal mounting portion (13) are of same size, institute The width of the connecting portion (12) of signal terminal is stated less than signal terminal contact site (11) and signal terminal mounting portion (13);Described Signal terminal contact site (11), signal terminal mounting portion (13), the width of signal terminal connecting portion (12) of three signal terminal sets (8) It spends identical.
3. the QSFP connectors of according to claim 2 kind of high frequency signal transmission, it is characterised in that:First signal end Subgroup (6), secondary signal terminal group (7), fourth signal terminal group (9), the 5th signal terminal set (10) are by two panels signal end Sub (5) composition;3rd signal terminal set (8) is made of five signal terminals (5);First clearance space (15), Two clearance spaces (18), the 4th clearance space (22), the spacing distance of the 5th clearance space (21) are equal;3rd interval is empty Between (19) spacing distance be more than the first clearance space (15), the second clearance space (18), the 4th clearance space (22), between the 5th Spacing distance every space (21).
4. the QSFP connectors of according to claim a kind of high frequency signal transmission, it is characterised in that:The terminal fixing part Including first terminal retaining piece (3) and Second terminal retaining piece (2), the mounting portion (13') and signal end of the ground terminal (4) The mounting portion (13) of sub (5) is each attached on first terminal retaining piece (3);The substrate (17) and signal of the ground terminal (4) The connecting portion (12) of terminal (5) is fixed on Second terminal retaining piece (2).
5. the QSFP connectors of according to claim 4 kind of high frequency signal transmission, it is characterised in that:The substrate (17) The center of upper surface offers first through hole (16), and the Second terminal retaining piece (2) offers the second through hole (32).
6. the QSFP connectors of according to claim a kind of high frequency signal transmission, it is characterised in that:The ground terminal (4) head of contact site (11') is arranged to arcuation domes (24');The head of the contact site (11) of the signal terminal (5) It is arranged to arcuation domes (24).
7. the QSFP connectors of according to claim a kind of high frequency signal transmission, it is characterised in that:The substrate (17) is wide The both sides in degree direction offer rectangular notch (23).
8. the QSFP connectors of according to claim a kind of high frequency signal transmission, it is characterised in that:The terminal fixing part It is by injection molding process that terminal module (31) is fixed.
CN201610640644.6A 2016-08-05 2016-08-05 A kind of QSFP connectors of high frequency signal transmission Active CN106099514B (en)

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CN109510017B (en) * 2017-09-14 2020-06-12 至良科技股份有限公司 Terminal module and electric connector thereof
CN109546393B (en) * 2017-09-22 2020-07-17 至良科技股份有限公司 Terminal module and electric connector thereof
CN109193209B (en) * 2018-09-13 2020-06-26 番禺得意精密电子工业有限公司 Electrical connector
CN109286092B (en) * 2018-09-25 2020-07-28 番禺得意精密电子工业有限公司 Electrical connector
TWI722581B (en) * 2019-09-24 2021-03-21 美商莫仕有限公司 Connector
CN114243342B (en) * 2021-10-27 2023-06-02 东莞市安阔欣精密电子有限公司 Connector capable of shortening signal transmission distance and improving high-frequency performance and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103594871A (en) * 2012-08-18 2014-02-19 温州意华通讯接插件有限公司 Electric connector
CN105811178A (en) * 2015-01-20 2016-07-27 泰科电子公司 Receptacle connector with ground bus

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