CN113991341A - Connector with excellent high-frequency performance and preparation method thereof - Google Patents
Connector with excellent high-frequency performance and preparation method thereof Download PDFInfo
- Publication number
- CN113991341A CN113991341A CN202111242538.XA CN202111242538A CN113991341A CN 113991341 A CN113991341 A CN 113991341A CN 202111242538 A CN202111242538 A CN 202111242538A CN 113991341 A CN113991341 A CN 113991341A
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- signal
- grounding
- parts
- terminal
- insulating body
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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
- 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
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
Abstract
The invention discloses a connector with better high-frequency performance and a preparation method thereof, wherein the connector comprises an insulating body, a first terminal group, a second terminal group, a bottom plug body and an enhanced shielding inner shell; the thickness of the signal terminal and the thickness of the grounding terminal are designed to be the same, the width of the signal contact part is W1 which is larger than the width W2 of the grounding contact part, the contact area with an external terminal is increased, the resistance is reduced, meanwhile, the capacitance between the signal terminal and the signal terminal is increased, the resonant crosstalk and impedance in the signal transmission process are reduced, the impedance matching performance of each terminal is improved, the high-frequency performance is further achieved, the requirement of high-frequency passing is completely met, and an enhanced shielding inner shell is implanted in an insulating body.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a connector with better high-frequency performance and a preparation method thereof.
Background
PCI-E (PCI-Express) is a general bus specification, which was first promoted and promoted by Intel (also the former 3 GIO), and its final design purpose is to replace the bus transmission interface inside the existing computer system, which includes not only the display interface, but also various application interfaces such as CPU, PCI, HDD, Network, etc. Therefore, the method can be used for solving the bottleneck problem of data transmission in the current system like a Hyper-Transport, and can be used for fully preparing for improving the performance of peripheral products in the future.
The PCI-E connector at present comprises an insulating body, a plurality of signal terminals and a plurality of grounding terminals, wherein the signal terminals and the grounding terminals are arranged in the insulating body in a staggered mode, the insulating body is long and long, the length of the insulating body is easy to break, the structural strength is weak, the shielding function is not provided, the interference of external signals is easy to receive, the shapes, the sizes and the materials of the existing signal terminals and the existing grounding terminals are the same, the requirement that a product is difficult to meet high-frequency passing is caused, the high-frequency performance is poor, and the using requirement cannot be met. Therefore, there is a need to develop a solution to the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and the main objective of the present invention is to provide a connector with better high frequency performance and a method for manufacturing the same, which can effectively solve the problems of weak structural strength and poor high frequency performance of the conventional connector.
In order to achieve the purpose, the invention adopts the following technical scheme:
a connector with better high-frequency performance comprises an insulating body, a first terminal group, a second terminal group, a bottom plug body and an enhanced shielding inner shell;
the insulating body is provided with a first inserting cavity and a second inserting cavity with upward openings, the bottom surface of the second inserting cavity is recessed to form a plurality of signal terminal grooves and a plurality of grounding terminal grooves, the signal terminal grooves and the grounding terminal grooves penetrate through the bottom surface of the insulating body, and the signal terminal grooves and the grounding terminal grooves are separated from each other;
the first terminal group is arranged on the insulating body and provided with a plurality of first contact parts and a plurality of first welding parts, the first contact parts are exposed in the first inserting cavity, and the first welding parts extend out of the insulating body;
the second terminal group consists of a plurality of signal terminals and a plurality of grounding terminals, the signal terminals and the grounding terminals are alternately arranged side by side at intervals, the signal terminals are respectively inserted and fixed in corresponding signal terminal grooves, the grounding terminals are respectively inserted and fixed in corresponding grounding terminal grooves, each signal terminal is provided with a signal contact part, a signal fixing part and a signal welding part which are connected in an integrated manner, each grounding terminal is provided with a grounding contact part, a grounding fixing part and a grounding welding part which are connected in an integrated manner, the signal contact parts and the grounding welding parts are exposed in the second insertion cavity, the signal welding parts and the grounding welding parts extend outwards out of the insulating body, the thickness of the signal terminals is the same as that of the grounding terminals, and the width of the signal contact parts is W1 which is larger than that of the grounding contact parts W2;
the bottom plug body is fixed at the bottom of the insulating body and comprises a bottom plate, a plurality of first filling parts and a plurality of second filling parts, wherein the plurality of first filling parts and the plurality of second filling parts extend upwards from the surface of the bottom plate;
the enhancement type shielding inner shell is fixed in the insulating body in an embedding forming mode and arranged around the first inserting cavity and the second inserting cavity, and comprises an annular metal layer and an annular carbon fiber layer which completely covers the inner side surface and the outer side surface of the annular metal layer.
Preferably, the center distance between the signal terminal and the ground terminal on the side is 1.0mm, and the width of the signal contact portion is 0.7-0.8 mm.
Preferably, a plurality of hooks extend from the surface of the base plate, the hooks are located at the inner sides of the corresponding filling portions, and the hooks hook the inner side wall of the signal terminal slot or the inner side wall of the ground terminal slot.
Preferably, the bottom surfaces of the two end surfaces of the insulating body are concavely provided with fixing grooves, each fixing groove is fixedly inserted with a grounding plate, and the grounding plate is in contact conduction with the annular metal layer.
Preferably, the first soldering portions are divided into two groups and horizontally extend out of the front and rear sides of the insulating body, and the signal soldering portions and the ground soldering portions are divided into two groups and horizontally extend out of the front and rear sides of the insulating body.
Preferably, the annular metal layer is a tensile annular metal shell or is formed by welding steel sheets end to end.
A method for preparing a connector with better high-frequency performance comprises the following steps:
(1) taking the annular metal layer, coating carbon fiber cloth on the inner side surface and the outer side surface of the annular metal layer, and then heating and curing to form a carbon fiber layer, thereby preparing the enhanced shielding inner shell;
(2) placing the enhanced shielding inner shell in an injection mold to form an insulation body in an injection molding mode, so that the enhanced shielding inner shell is completely embedded, molded and fixed in the insulation body;
(3) punching a first terminal group and a second terminal group in a punching mode, and arranging the first terminal group and the second terminal group on the insulating body;
(4) and the bottom plug body is arranged on the insulating body from bottom to top, so that the plurality of first filling parts are respectively embedded into the corresponding signal terminal grooves and pressed against the corresponding signal fixing parts, and the plurality of second filling parts are respectively embedded into the corresponding grounding terminal grooves and pressed against the corresponding grounding fixing parts.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
by designing the thickness of the signal terminal and the thickness of the ground terminal to be the same and matching the width W1 of the signal contact portion to be greater than the width W2 of the ground contact portion, the contact area with the external terminal is increased, and the resistance is reduced, meanwhile, the capacitance between the signal terminal and the signal terminal is increased to reduce the resonance crosstalk and impedance in the signal transmission process and improve the impedance matching of each terminal, and then reach the high frequency performance, satisfy the requirement that the high frequency passes through completely to and, through implanting enhancement mode shielding inner shell at insulator, the overall structure intensity that can effective whole product on the one hand avoids insulator easy rupture, and product life is longer, and on the other hand, cyclic annular metal layer can also play the effect of shielding external signal, avoids receiving external signal's interference, further satisfies the requirement that the high frequency passes through, brings the facility for the use.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of the preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is a high frequency test graph of an Insertion Loss (Insertion Loss) condition of the preferred embodiment of the present invention;
FIG. 6 is a high frequency test graph of the reflection Loss (Return Loss) condition of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. insulating body 11 and first insertion cavity
12. Second inserting cavity 13 and signal terminal groove
14. Ground terminal groove 20, first terminal group
21. First contact portion 22, first welding portion
30. Second terminal group 31, signal terminal
311. Signal contact part 312 and signal fixing part
313. Signal welding part 32 and ground terminal
321. Ground contact 322 and ground fixing part
323. Grounding welding part 40 and bottom plug body
41. Bottom plate 42, first filling part
43. Second filling part 44 and hook part
50. Enhanced shield inner shell 51, annular metal layer
52. Annular carbon fiber layer 60, ground patch.
Detailed Description
Referring to fig. 1 to 4, a specific structure of a connector with better high frequency performance according to a preferred embodiment of the present invention is shown, which includes an insulating body 10, a first terminal set 20, a second terminal set 30, a bottom plug 40 and an enhanced shielding inner shell 50.
The insulating body 10 has a first insertion cavity 11 and a second insertion cavity 12 with upward openings, the bottom surface of the second insertion cavity 12 is recessed to form a plurality of signal terminal grooves 13 and a plurality of ground terminal grooves 14, the plurality of signal terminal grooves 13 and the plurality of ground terminal grooves 14 both penetrate through the bottom surface of the insulating body 10, and the signal terminal grooves 13 and the ground terminal grooves 14 are separated from each other.
The first terminal set 20 is disposed on the insulating body 10, the first terminal set 20 has a plurality of first contact portions 21 and a plurality of first welding portions 22, the plurality of first contact portions 21 are exposed in the first insertion cavity 11, and the plurality of first welding portions 22 extend out of the insulating body 10. In the present embodiment, the first terminal groups 20 are all ground terminals, which are divided into two front and rear rows, and the plurality of first welding portions 22 are divided into two groups and horizontally extend out of the front and rear sides of the insulating body 10.
The second terminal set 30 is composed of a plurality of signal terminals 31 and a plurality of ground terminals 32, the plurality of signal terminals 31 and the plurality of ground terminals 32 are alternately arranged side by side at intervals, the plurality of signal terminals 31 are respectively inserted and fixed in the corresponding signal terminal slots 13, the plurality of ground terminals 32 are respectively inserted and fixed in the corresponding ground terminal slots 14, each signal terminal 31 has a signal contact portion 311, a signal fixing portion 312 and a signal 313 welding portion which are integrally connected, each ground terminal 32 has a ground contact portion 321, a ground fixing portion 322 and a ground welding portion 323 which are integrally connected, the plurality of signal contact portions 311 and the plurality of ground contact portions 321 are exposed in the second insertion cavity 12, the plurality of signal welding portions 313 and the plurality of ground welding portions 323 extend outward from the insulating body 10, and the thickness of the signal terminals 31 is the same as the thickness of the ground terminals 32, the width W1 of the signal contact portion 311 is greater than the width W2 of the ground contact portion 321, so as to increase the contact area with the external terminal and reduce the resistance, so as to reduce the resonant crosstalk and impedance during the signal transmission process, thereby achieving high frequency performance. In this embodiment, the second terminal group 30 is divided into two front and rear rows, each row is composed of a plurality of signal terminals 31 and a plurality of ground terminals 32 alternately spaced side by side, the plurality of signal soldering portions 313 and ground soldering portions 323 are divided into two groups and horizontally extend out of the front and rear sides of the insulative housing 10; and the center distance between the signal terminal 31 and the side ground terminal 32 is 1.0mm, the width W1 of the signal contact part 311 is 0.7-0.8 mm; in addition, the signal terminal 31 is made of a metal copper material to further reduce resistance, and the ground terminal is made of a stainless steel material to ensure insertion and extraction force and avoid easy insertion and extraction fatigue.
The bottom plug 40 is fixed at the bottom of the insulating housing 10, the bottom plug 40 includes a bottom plate 41, and a plurality of first filling portions 42 and a plurality of second filling portions 43 extending upward from the surface of the bottom plate 41, the bottom plate 41 covers the bottom openings of the plurality of signal terminal slots 13 and the bottom openings of the plurality of ground terminal slots 14, the plurality of first filling portions 42 are respectively embedded in the corresponding signal terminal slots 13 and press against the corresponding signal fixing portions 312, and the plurality of second filling portions 43 are respectively embedded in the corresponding ground terminal slots 14 and press against the corresponding ground fixing portions 322. In this embodiment, a plurality of hooks 44 extend from the surface of the bottom plate 41, the hooks 44 are respectively located beside the inner sides of the corresponding filling portions, and the hooks 44 hook the inner side wall of the signal terminal slot 13 or the inner side wall of the ground terminal slot 14, so that the bottom plug 40 is firmly combined with the insulating body 10; in addition, the first filling portions 42 are in multiple groups, each group of first filling portions 42 is composed of two first filling portions 42 to purposefully press each signal fixing portion 312, so as to better isolate air and achieve more effective enhancement of high-frequency performance, and the height of the first filling portions 42 is higher than that of the second filling portions 43 so as to better press each signal fixing portion 312; and the bottom plug body 40 and the insulation body 10 are sealed and fixed by gluing, so as to isolate air to the maximum extent.
The reinforced shielding inner shell 50 is fixed in the insulating body 10 by insert molding and arranged around the first insertion cavity 11 and the second insertion cavity 12, the reinforced shielding inner shell 50 comprises an annular metal layer 51 and an annular carbon fiber layer 52 completely covering the inner and outer side surfaces of the annular metal layer 51, the annular carbon fiber layer 52 has high strength, by implanting the enhanced shielding inner shell 50 into the insulation body 10, on one hand, the overall structural strength of the product can be effectively improved, the insulation body 10 is prevented from being easily broken, the service life of the product is prolonged, on the other hand, the annular metal layer 51 can also play a role in shielding external signals, the interference of the external signals is avoided, and the requirement of high frequency passing is further met, meanwhile, the annular carbon fiber layer 52 covers the annular metal layer 51, so that short circuit caused by contact between each terminal and the annular metal layer 51 is effectively controlled and avoided. In the present embodiment, the annular metal layer 51 is a tensile annular metal shell or is formed by welding steel sheets end to end.
In the present embodiment, the insulating body 10 is long, fixing grooves (not shown) are recessed on the bottom surfaces of both end surfaces of the insulating body 10, a grounding plate 60 is inserted and fixed in each fixing groove, and the grounding plate 60 is in contact with and conductive with the annular metal layer 51.
The invention also discloses a preparation method of the connector with better high-frequency performance, which comprises the following steps:
(1) taking the annular metal layer 51, coating carbon fiber cloth on the inner side and the outer side of the annular metal layer 51, and then heating and curing to form the annular carbon fiber layer 52, thereby obtaining the reinforced shielding inner shell 50.
(2) The reinforced shielding inner shell 50 is placed in an injection mold to form the insulation body 10 by injection molding, so that the reinforced shielding inner shell 50 is completely embedded, molded and fixed in the insulation body 10.
(3) The first terminal set 20 and the second terminal set 30 are press-formed, and both the first terminal set 20 and the second terminal set 30 are disposed on the insulating body 10.
(4) The bottom plug 40 is mounted on the insulating body 10 from bottom to top, such that the first filling portions 42 are respectively inserted into the corresponding signal terminal slots 13 and pressed against the corresponding signal fixing portions 312, and the second filling portions 43 are respectively inserted into the corresponding ground terminal slots 14 and pressed against the corresponding ground fixing portions 322. Finally, the ground plate 60 is inserted and fixed in the fixing groove and brought into contact with the annular metal layer 51.
When the product is used, the product is fixed on the equipment mainboard, the first welding parts 22, the signal welding parts 313 and the ground welding parts 323 are welded and conducted with the equipment mainboard, and then the electronic card is inserted into the first insertion cavity 11 and the second insertion cavity 12 to be in contact and conduction with the first contact parts 21, the signal contact parts 311 and the ground contact parts 321.
The connector prepared as described above was subjected to high frequency tests under Insertion Loss (Insertion Loss) and reflection Loss (Return Loss) conditions, as shown in fig. 5 and 6, which showed a result of Pass.
The design of the invention is characterized in that: by designing the thickness of the signal terminal and the thickness of the ground terminal to be the same and matching the width W1 of the signal contact portion to be greater than the width W2 of the ground contact portion, the contact area with the external terminal is increased, and the resistance is reduced, meanwhile, the capacitance between the signal terminal and the signal terminal is increased to reduce the resonance crosstalk and impedance in the signal transmission process and improve the impedance matching of each terminal, and then reach the high frequency performance, satisfy the requirement that the high frequency passes through completely to and, through implanting enhancement mode shielding inner shell at insulator, the overall structure intensity that can effective whole product on the one hand avoids insulator easy rupture, and product life is longer, and on the other hand, cyclic annular metal layer can also play the effect of shielding external signal, avoids receiving external signal's interference, further satisfies the requirement that the high frequency passes through, brings the facility for the use.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. A connector with better high-frequency performance is characterized in that: the shielding structure comprises an insulating body, a first terminal group, a second terminal group, a bottom plug body and an enhanced shielding inner shell;
the insulating body is provided with a first inserting cavity and a second inserting cavity with upward openings, the bottom surface of the second inserting cavity is recessed to form a plurality of signal terminal grooves and a plurality of grounding terminal grooves, the signal terminal grooves and the grounding terminal grooves penetrate through the bottom surface of the insulating body, and the signal terminal grooves and the grounding terminal grooves are separated from each other;
the first terminal group is arranged on the insulating body and provided with a plurality of first contact parts and a plurality of first welding parts, the first contact parts are exposed in the first inserting cavity, and the first welding parts extend out of the insulating body;
the second terminal group consists of a plurality of signal terminals and a plurality of grounding terminals, the signal terminals and the grounding terminals are alternately arranged side by side at intervals, the signal terminals are respectively inserted and fixed in corresponding signal terminal grooves, the grounding terminals are respectively inserted and fixed in corresponding grounding terminal grooves, each signal terminal is provided with a signal contact part, a signal fixing part and a signal welding part which are connected in an integrated manner, each grounding terminal is provided with a grounding contact part, a grounding fixing part and a grounding welding part which are connected in an integrated manner, the signal contact parts and the grounding welding parts are exposed in the second insertion cavity, the signal welding parts and the grounding welding parts extend outwards out of the insulating body, the thickness of the signal terminals is the same as that of the grounding terminals, and the width of the signal contact parts is W1 which is larger than that of the grounding contact parts W2;
the bottom plug body is fixed at the bottom of the insulating body and comprises a bottom plate, a plurality of first filling parts and a plurality of second filling parts, wherein the plurality of first filling parts and the plurality of second filling parts extend upwards from the surface of the bottom plate;
the enhancement type shielding inner shell is fixed in the insulating body in an embedding forming mode and arranged around the first inserting cavity and the second inserting cavity, and comprises an annular metal layer and an annular carbon fiber layer which completely covers the inner side surface and the outer side surface of the annular metal layer.
2. The connector of claim 1, wherein: the center distance between the signal terminal and the ground terminal on the side is 1.0mm, and the width of the signal contact part is 0.7-0.8 mm.
3. The connector of claim 1, wherein: the surface of the bottom plate extends to form a plurality of hook parts, the hook parts are respectively positioned beside the inner sides of the corresponding filling parts, and the hook parts hook the inner side walls of the signal terminal grooves or the inner side walls of the grounding terminal grooves.
4. The connector of claim 1, wherein: the bottom surfaces of two end surfaces of the insulating body are concavely provided with fixing grooves, a grounding sheet is fixedly inserted into each fixing groove, and the grounding sheet is in contact conduction with the annular metal layer.
5. The connector of claim 1, wherein: the plurality of first welding parts are divided into two groups and horizontally and outwards extend out of the front side and the rear side of the insulation body respectively, and the plurality of signal welding parts and the grounding welding parts are divided into two groups and horizontally and outwards extend out of the front side and the rear side of the insulation body respectively.
6. The connector of claim 1, wherein: the annular metal layer is a tensile annular metal shell or is formed by welding steel sheets end to end.
7. A method for manufacturing a connector excellent in high frequency performance according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
(1) taking the annular metal layer, coating carbon fiber cloth on the inner side surface and the outer side surface of the annular metal layer, and then heating and curing to form an annular carbon fiber layer, thereby preparing the enhanced shielding inner shell;
(2) placing the enhanced shielding inner shell in an injection mold to form an insulation body in an injection molding mode, so that the enhanced shielding inner shell is completely embedded, molded and fixed in the insulation body;
(3) punching a first terminal group and a second terminal group in a punching mode, and arranging the first terminal group and the second terminal group on the insulating body;
(4) and the bottom plug body is arranged on the insulating body from bottom to top, so that the plurality of first filling parts are respectively embedded into the corresponding signal terminal grooves and pressed against the corresponding signal fixing parts, and the plurality of second filling parts are respectively embedded into the corresponding grounding terminal grooves and pressed against the corresponding grounding fixing parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242538.XA CN113991341B (en) | 2021-10-25 | 2021-10-25 | Connector with excellent high-frequency performance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242538.XA CN113991341B (en) | 2021-10-25 | 2021-10-25 | Connector with excellent high-frequency performance and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113991341A true CN113991341A (en) | 2022-01-28 |
| CN113991341B CN113991341B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111242538.XA Active CN113991341B (en) | 2021-10-25 | 2021-10-25 | Connector with excellent high-frequency performance and preparation method thereof |
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| CN112582826A (en) * | 2020-12-25 | 2021-03-30 | 吉安市联基电子有限公司 | USB TYPE C connector capable of high-speed transmission and manufacturing method thereof |
| CN212968141U (en) * | 2020-08-28 | 2021-04-13 | 东莞承丰电子有限公司 | Vertical female seat electric connector |
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| CN213584451U (en) * | 2020-11-26 | 2021-06-29 | 东莞市安阔欣精密电子有限公司 | LVDS connector with good shielding effect |
| CN213782315U (en) * | 2020-12-08 | 2021-07-23 | 东莞承丰电子有限公司 | Electrical connector with high frequency performance |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678260A (en) * | 1984-05-14 | 1987-07-07 | Allied Corporation | EMI shielded electrical connector |
| JPH0963703A (en) * | 1995-08-24 | 1997-03-07 | Sankyo Kasei Co Ltd | Shield connector between terminal and its manufacture |
| WO2000007196A2 (en) * | 1998-07-31 | 2000-02-10 | Telefonix, Inc. | Electrical/signal cable having improved composite cable jacket, shield terminal and grommet |
| US20060068640A1 (en) * | 2004-09-30 | 2006-03-30 | Teradyne, Inc. | High speed, high density electrical connector |
| JP2013055298A (en) * | 2011-09-06 | 2013-03-21 | Asahi Kasei Chemicals Corp | Electromagnetic wave shield cover |
| CN208656030U (en) * | 2018-08-09 | 2019-03-26 | 泰科电子(上海)有限公司 | Data line |
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| CN213212565U (en) * | 2020-08-27 | 2021-05-14 | 昆山宏致电子有限公司 | Grounding structure of electric connector |
| CN212968141U (en) * | 2020-08-28 | 2021-04-13 | 东莞承丰电子有限公司 | Vertical female seat electric connector |
| CN213584451U (en) * | 2020-11-26 | 2021-06-29 | 东莞市安阔欣精密电子有限公司 | LVDS connector with good shielding effect |
| CN213782315U (en) * | 2020-12-08 | 2021-07-23 | 东莞承丰电子有限公司 | Electrical connector with high frequency performance |
| CN112582826A (en) * | 2020-12-25 | 2021-03-30 | 吉安市联基电子有限公司 | USB TYPE C connector capable of high-speed transmission and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113991341B (en) | 2022-11-11 |
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