CN113708112B - Board ladder connection structure and signal connector - Google Patents
Board ladder connection structure and signal connector Download PDFInfo
- Publication number
- CN113708112B CN113708112B CN202110873302.XA CN202110873302A CN113708112B CN 113708112 B CN113708112 B CN 113708112B CN 202110873302 A CN202110873302 A CN 202110873302A CN 113708112 B CN113708112 B CN 113708112B
- Authority
- CN
- China
- Prior art keywords
- metal contact
- board body
- socket
- main
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 86
- 229910052751 metal Inorganic materials 0.000 claims abstract description 86
- 238000007747 plating Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- H01R12/70—Coupling devices
-
- 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
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
Abstract
The invention discloses a board ladder connection structure which comprises a main board body, an extension board body connected to the tail end of the main board body, a first metal contact attached to the surface of the main board body, a second metal contact attached to the surface of the extension board body, a main wiring layer embedded in the main board body and keeping a preset distance with the first metal contact, and a secondary wiring layer embedded in the main board body and extending into the extension board body and keeping a preset distance with the second metal contact, wherein the thickness of the extension board body is smaller than that of the main board body. Therefore, the extension plate body is additionally arranged on the main plate body, and the distribution height positions of the first metal contact and the second metal contact are different by utilizing the difference of the thickness of the extension plate body and the thickness of the main plate body, so that the embedded positions of the main wiring layer and the auxiliary wiring layer in the main plate body are staggered, and the signal transmission quality can be ensured on the basis of realizing multi-channel signal interconnection between boards. The invention also discloses a signal connector, which has the beneficial effects as above.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a board card ladder connection structure. The invention also relates to a signal connector.
Background
With the development of the chinese electronic technology, more and more electronic devices have been widely used.
Servers are an important component in electronic devices, which are devices that provide computing services. Since the server needs to respond to the service request and process it, the server has the ability to afford the service and secure the service.
In the big data age, a large amount of IT equipment is centrally placed in racks in a data center. These data centers include servers, storage, switches, and a large number of racks and other infrastructure of each type. Each IT device is composed of various hardware boards, such as a computing module, a storage module, a chassis, a fan module, and so on. The signal interconnection is generally performed between a plurality of boards in the server through cables or connectors, and for the signal interconnection between a main board of the server and boards such as a graphics card, a hard disk backboard, a fan backboard, a power backboard and the like, the signal interconnection is generally required to be formed into plug-in fit through signal connectors such as PCIE interfaces and the like.
At present, a traditional PCIE interface generally uses golden fingers as connection pins to carry out signal connection, and when a board card is inserted into a connector, each golden finger at the bottom end of the board card is respectively contacted with a metal spring sheet in the connector, so that pin butt joint and signal interconnection are realized. However, the contact portion between the finger pad and the connector is usually designed in a single row, which has a limited number and cannot support the scenario of multi-channel signal interconnection.
In the prior art, a part of the board card adopts a double-row golden finger structure, but as shown in fig. 1, because a consistent fixed distance (L1) needs to be kept between the golden finger and the internal wiring metal layer so as to ensure the signal quality, only the distance between the first row of golden fingers and the corresponding wiring metal layer can be ensured, and the position of the wiring metal layer corresponding to the second row of golden fingers is occupied by the wiring metal layer corresponding to the first row of golden fingers, the wiring metal layer corresponding to the second row of golden fingers can only be shifted, the distance cannot be ensured, the increase (L2) or the decrease (L3) is forced, and the signal quality is reduced.
Therefore, how to realize the interconnection of multiple signals between boards and ensure the signal transmission quality is a technical problem facing those skilled in the art.
Disclosure of Invention
The invention aims to provide a board ladder connection structure which can realize multi-channel signal interconnection among boards and ensure signal transmission quality. It is another object of the present invention to provide a signal connector.
In order to solve the technical problems, the invention provides a board ladder connection structure, which comprises a main board body, an extension board body connected to the tail end of the main board body, a first metal contact attached to the surface of the main board body, a second metal contact attached to the surface of the extension board body, a main wiring layer embedded in the main board body and keeping a preset distance with the first metal contact, and a secondary wiring layer embedded in the main board body and extending into the extension board body and keeping a preset distance with the second metal contact, wherein the thickness of the extension board body is smaller than that of the main board body.
Preferably, the thickness of the main board body is 2-3 times that of the extension board body.
Preferably, the main board body is connected with the extension board body through a first slope surface.
Preferably, the first metal contacts and the second metal contacts are rectangular and distributed along the length direction of the main board body or the extension board body.
Preferably, the surfaces of the first metal contact and the second metal contact are provided with a reinforced conductive plating layer.
The invention also provides a signal connector, which is adapted to any one of the above board ladder connection structures, and comprises a socket and a socket opening on the socket, wherein the socket comprises a first socket which is positioned on the upper part of the socket and matched with a main board body, and a second socket which is positioned on the lower part of the socket and matched with an extension board body, a first elastic sheet which is abutted with a first metal contact is arranged on the wall surface of the first socket, a second elastic sheet which is abutted with a second metal contact is arranged on the wall surface of the second socket, and the width of the first socket is larger than that of the second socket.
Preferably, the width of the first slot is 2-3 times of the width of the second slot.
Preferably, the first slot is connected with the second slot through a second slope surface.
Preferably, the first elastic piece and the second elastic piece are triangular and protrude out of the wall surfaces of the first slot and the second slot respectively.
Preferably, the surfaces of the first elastic sheet and the second elastic sheet are respectively provided with a reinforced conductive coating.
The invention provides a board card step connection structure which mainly comprises a main board body, an extension board body, a first metal contact, a second metal contact, a main wiring layer and an auxiliary wiring layer. Wherein, the mainboard body is major structure, extends the terminal position of board body connection at the mainboard body. The first metal contact is attached to the surface of the main board body, and the second metal contact is attached to the surface of the extension board body. The main wiring layer is buried in the main board body, keeps a preset distance with the first metal contact, and is mainly used for forming signal connection with the first metal contact. The auxiliary wiring layer is buried in the main board body and continuously extends into the extension board body, keeps a preset distance with the second metal contact, and is mainly used for forming signal connection with the second metal contact. Importantly, the thickness of the extension board body is smaller than that of the main board body, so that the first metal contact on the surface of the main board body and the second metal contact on the surface of the extension board body are respectively located at different height (thickness) positions, and because a fixed distance is kept between the metal contact and the wiring metal layer, the distribution positions of the main wiring layer corresponding to the first metal contact and the auxiliary wiring layer corresponding to the second metal contact in the main board body are staggered in the height direction, and further the fixed distance between the first metal contact and the main wiring layer and the fixed distance between the second metal contact and the auxiliary wiring layer can be respectively ensured. In summary, according to the board card step connection structure provided by the invention, the extension board body is additionally arranged on the main board body, and the distribution height positions of the first metal contact and the second metal contact are different by utilizing the difference of the thickness of the extension board body and the main board body, so that the embedded positions of the main wiring layer and the auxiliary wiring layer in the main board body are staggered, and the signal transmission quality can be ensured on the basis of realizing multi-channel signal interconnection between boards.
The signal connector provided by the invention is matched with the step connection structure of the board card to realize signal interconnection, and has the beneficial effects as described above.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a dual-row gold finger and a wiring metal layer in the prior art.
Fig. 2 is a schematic structural diagram of a card ladder connection structure according to an embodiment of the present invention.
Fig. 3 is a longitudinal sectional view of fig. 2.
Fig. 4 is a schematic diagram of a mating structure of a board-card ladder connection structure and a signal connector according to an embodiment of the present invention.
Wherein, in fig. 2-4:
a main board body-1, an extension board body-2, a first metal contact-3, a second metal contact-4, a main wiring layer-5, an auxiliary wiring layer-6, a first slope surface-7, a socket-8, a socket-9, a first elastic sheet-10, a second elastic sheet-11 and a second slope surface-12;
a first slot-91 and a second slot-92.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of a board-card step connection structure according to an embodiment of the present invention, and fig. 3 is a longitudinal sectional view of fig. 2.
In one embodiment of the present invention, the board card step connection structure mainly includes a main board body 1, an extension board body 2, a first metal contact 3, a second metal contact 4, a main wiring layer 5, and a secondary wiring layer 6.
Wherein, the main board body 1 is a main body structure, and the extension board body 2 is connected at the end position of the main board body 1.
The first metal contact 3 is attached to the surface of the main board body 1, and the second metal contact 4 is attached to the surface of the extension board body 2.
The main wiring layer 5 is buried in the main board body 1, keeps a preset distance from the first metal contact 3, and is mainly used for forming signal connection with the first metal contact 3. The auxiliary wiring layer 6 is buried in the main board body 1 and continuously extends into the extension board body 2, and keeps a preset distance from the second metal contact 4, and is mainly used for forming signal connection with the second metal contact 4.
It is important that the thickness of the extension board body 2 is smaller than that of the main board body 1. In this way, the first metal contact 3 on the surface of the main board body 1 and the second metal contact 4 on the surface of the extension board body 2 are respectively located at different height (thickness) positions, and since the fixed distance is kept between the metal contact and the wiring metal layer, the distribution positions of the main wiring layer 5 corresponding to the first metal contact 3 and the auxiliary wiring layer 6 corresponding to the second metal contact 4 in the main board body 1 are staggered in the height direction, and further the fixed distance between the first metal contact 3 and the main wiring layer 5 and the fixed distance between the second metal contact 4 and the auxiliary wiring layer 6 can be respectively ensured.
In summary, according to the board ladder connection structure provided in this embodiment, the extension board body 2 is added on the main board body 1, and the distribution height positions of the first metal contact 3 and the second metal contact 4 are different by using the difference in thickness between the extension board body 2 and the main board body 1, so that the embedded positions of the main wiring layer 5 and the auxiliary wiring layer 6 in the main board body 1 are staggered, and the signal transmission quality can be ensured on the basis of realizing multi-channel signal interconnection between boards.
In a preferred embodiment with respect to the main plate body 1 and the extension plate body 2, the thickness of the main plate body 1 is typically 2 to 3 times the thickness of the extension plate body 2. Of course, the specific thicknesses of the main board body 1 and the extension board body 2 can be adjusted according to actual needs.
In order to facilitate the connection between the main board body 1 and the extension board body 2, the present embodiment is provided with a first slope surface 7 between the main board body 1 and the extension board body 2. Typically, the first slope 7 may be at an angle of 30 ° to 60 °, such as 45 °. So set up, the connection transition region between the mainboard body 1 and the extension plate body 2 is smoother, is favorable to sliding with the cooperation of signal connector simultaneously.
In a preferred embodiment of the first metal contact 3 and the second metal contact 4, the first metal contact 3 and the second metal contact 4 are each rectangular in structure and are each distributed along the length direction (the plugging direction) of the main board body 1 or the extension board body 2. In general, the first metal contact 3 and the second metal contact 4 are both rectangular thin metal plates. Of course, the first metal contact 3 and the second metal contact 4 may also have a dot structure, so as to reduce stub (signal stub) formed when the stub abuts against the first elastic piece 10 and the second elastic piece 11 in the signal connector.
In addition, in order to improve the stability of signal connection, the present embodiment further coats the surfaces of the first metal contact 3 and the second metal contact 4 with a reinforcing conductive plating layer, such as a gold plating layer or a copper plating layer.
Fig. 4 is a schematic diagram of a mating structure of a board-card ladder connection structure and a signal connector according to an embodiment of the present invention.
The present embodiment also provides a signal connector, which is mainly used for adapting to the step connection structure of the board card in the previous embodiment to form the socket-like plug-and-socket connection and signal interconnection, and mainly comprises a socket 8, a socket slot 9, a first elastic sheet 10 and a second elastic sheet 11.
Wherein, the socket 8 is a main structure, and the socket 9 is arranged on the socket 8.
The socket 9 is a split structure, and specifically includes a first socket 91 and a second socket 92 that are mutually communicated. Wherein, the first slot 91 is located at an upper half area of the socket 8 and is mainly used for forming a socket fit with the main board 1 in the board card step connection structure; the second slot 92 is located in the lower half area of the socket 8, and is mainly used for forming a socket fit with the extension board 2 in the board ladder connection structure. And, the width of the first slot 91 is larger than the width of the second slot 92 so as to match the thickness of the main board body 1 larger than the thickness of the extension board body 2.
The first elastic piece 10 is disposed on a wall surface of the first slot 91, and is mainly used for forming elastic abutment with the first metal contact 3 in the board card step connection structure to realize signal transmission. The second elastic piece 11 is disposed on a wall surface of the second slot 92, and is mainly used for forming elastic abutment with the second metal contact 4 in the board card step connection structure to realize signal transmission.
In a preferred embodiment with respect to the first slot 91 and the second slot 92, the width of the first slot 91 is typically 2 to 3 times the width of the second slot 92. Of course, the specific thicknesses of the first slot 91 and the second slot 92 may also be adjusted according to actual needs.
To facilitate communication between the first slot 91 and the second slot 92, the present embodiment provides a second slope surface 12 between the first slot 91 and the second slot 92. Typically, the second ramp surface 12 may be at an angle of 30 ° to 60 °, such as 45 °. So configured, the connection transition area between the first slot 91 and the second slot 92 is smoother, while facilitating the mating sliding with the first ramp surface 7.
In a preferred embodiment of the first elastic piece 10 and the second elastic piece 11, the first elastic piece 10 and the second elastic piece 11 are both in triangle structures and respectively protrude out of the stool surfaces of the first slot 91 and the second slot 92 so as to form elastic abutting contact with the first metal contact 3 and the second metal contact 4 respectively.
In addition, in order to improve the stability of signal connection, the present embodiment further coats the surfaces of the first elastic sheet 10 and the second elastic sheet 11 with a reinforcing conductive coating, such as a gold coating or a copper coating.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a board ladder connection structure, its characterized in that, including mainboard body (1), connect in extension plate body (2) of mainboard body (1) end, attach set up in first metal contact (3) on mainboard body (1) surface, attach set up in second metal contact (4) on extension plate body (2) surface, bury in mainboard body (1) and with main wiring layer (5) of first metal contact (3) keep predetermineeing the interval, and bury in mainboard body (1) and extend to in extension plate body (2), with second metal contact (4) keep the vice wiring layer (6) of predetermineeing the interval, the thickness of extension plate body (2) is less than the thickness of mainboard body (1).
2. The board-card step connection structure according to claim 1, wherein the thickness of the main board body (1) is 2 to 3 times the thickness of the extension board body (2).
3. The board-card step connection structure according to claim 2, wherein the main board body (1) and the extension board body (2) are connected through a first slope surface (7).
4. The board card step connection structure according to claim 1, wherein the first metal contacts (3) and the second metal contacts (4) are rectangular and distributed along the length direction of the main board body (1) or the extension board body (2).
5. The board card step connection structure according to claim 4, wherein the surfaces of the first metal contact (3) and the second metal contact (4) are provided with a reinforcing conductive plating layer.
6. The board ladder connection structure of any one of claims 1-5 of adaptation Yu Quanli is characterized by comprising a socket (8) and a socket (9) arranged on the socket (8), wherein the socket (9) comprises a first socket (91) which is arranged on the upper part of the socket (8) and matched with a main board body (1), and a second socket (92) which is arranged on the lower part of the socket (8) and matched with an extension board body (2), a first elastic sheet (10) which is abutted with a first metal contact (3) is arranged on the wall surface of the first socket (91), a second elastic sheet (11) which is abutted with a second metal contact (4) is arranged on the wall surface of the second socket (92), and the width of the first socket (91) is larger than that of the second socket (92).
7. The signal connector according to claim 6, wherein the width of the first slot (91) is 2-3 times the width of the second slot (92).
8. The signal connector of claim 7, wherein the first slot (91) and the second slot (92) are connected by a second ramp surface (12).
9. The signal connector according to claim 6, wherein the first elastic piece (10) and the second elastic piece (11) are triangular and protrude from wall surfaces of the first slot (91) and the second slot (92), respectively.
10. The signal connector according to claim 9, wherein the surfaces of the first elastic sheet (10) and the second elastic sheet (11) are each provided with a reinforcing conductive plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110873302.XA CN113708112B (en) | 2021-07-30 | 2021-07-30 | Board ladder connection structure and signal connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110873302.XA CN113708112B (en) | 2021-07-30 | 2021-07-30 | Board ladder connection structure and signal connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113708112A CN113708112A (en) | 2021-11-26 |
| CN113708112B true CN113708112B (en) | 2023-07-14 |
Family
ID=78651203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110873302.XA Active CN113708112B (en) | 2021-07-30 | 2021-07-30 | Board ladder connection structure and signal connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113708112B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080779B (en) * | 2023-10-16 | 2024-01-02 | 成都电科星拓科技有限公司 | Memory bar plugging device, method for adapting memory controller to memory bar plugging device and working method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981109A (en) * | 2014-04-14 | 2015-10-14 | 深南电路有限公司 | Processing method of suspension-structure gold finger, and circuit board |
| CN104981113A (en) * | 2014-04-14 | 2015-10-14 | 深南电路有限公司 | Processing method of circuit board gold finger, and gold finger circuit board |
| CN106025623A (en) * | 2016-05-09 | 2016-10-12 | 浪潮电子信息产业股份有限公司 | High-density staggered-layer lapping PCB connection apparatus and realization method thereof |
| CN109379840A (en) * | 2018-10-23 | 2019-02-22 | 湖北金禄科技有限公司 | A kind of processing method and circuit board of hanging golden finger |
| CN110753444A (en) * | 2018-07-23 | 2020-02-04 | 广达电脑股份有限公司 | Golden finger card and combination of golden finger card and connector |
-
2021
- 2021-07-30 CN CN202110873302.XA patent/CN113708112B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981109A (en) * | 2014-04-14 | 2015-10-14 | 深南电路有限公司 | Processing method of suspension-structure gold finger, and circuit board |
| CN104981113A (en) * | 2014-04-14 | 2015-10-14 | 深南电路有限公司 | Processing method of circuit board gold finger, and gold finger circuit board |
| CN106025623A (en) * | 2016-05-09 | 2016-10-12 | 浪潮电子信息产业股份有限公司 | High-density staggered-layer lapping PCB connection apparatus and realization method thereof |
| CN110753444A (en) * | 2018-07-23 | 2020-02-04 | 广达电脑股份有限公司 | Golden finger card and combination of golden finger card and connector |
| CN109379840A (en) * | 2018-10-23 | 2019-02-22 | 湖北金禄科技有限公司 | A kind of processing method and circuit board of hanging golden finger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113708112A (en) | 2021-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6716057B1 (en) | Cable end connector assembly with improved shielding means | |
| CN102394408B (en) | Cable connecting assembly | |
| CN201113076Y (en) | Socket electric connector | |
| US8602825B2 (en) | Electrical connector with specially designed metal contact terminals to avoid solder-off | |
| US20090047817A1 (en) | Electrical contact having asymmetric dual-contact-engaging-arm | |
| US20060079119A1 (en) | Serial ATA interface connector with low profiled cable connector | |
| CN102315532B (en) | Electric connector | |
| CN102957013A (en) | Cable plug connector, board terminal socket connector and connector component | |
| US6565366B1 (en) | Electrical connector | |
| US20160294087A1 (en) | Electrical connector adapter | |
| CN113708112B (en) | Board ladder connection structure and signal connector | |
| US7114959B2 (en) | Land grid array with socket plate | |
| CN112490717A (en) | Electronic equipment and forward and reverse plug compatible connector of hot-pluggable memory card thereof | |
| CN202159800U (en) | Cable plug connector, board end socket connector and connector assembly | |
| US20040259405A1 (en) | Electrical device connector | |
| WO2017193684A1 (en) | High-density staggeredly-stacked pcb board connection device and method for implementing same | |
| CN203015291U (en) | Circuit board | |
| CN211457761U (en) | Computer data line flexible circuit board | |
| CN201118011Y (en) | Electric connector | |
| CN201440504U (en) | Electric connector | |
| CN211150836U (en) | OCP erects and inserts fixed part based on golden finger connects | |
| CN211718883U (en) | PCIeSAS directly links cable | |
| CN109038010A (en) | There are two the power connectors of elastic contact pin for tool | |
| CN218827979U (en) | Kneeling-proof PIN connector | |
| CN216598102U (en) | High-precision double-row power line-to-board connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |