CN109546459B - Female end signal transmission module with metal shielding plate - Google Patents
Female end signal transmission module with metal shielding plate Download PDFInfo
- Publication number
- CN109546459B CN109546459B CN201910020248.7A CN201910020248A CN109546459B CN 109546459 B CN109546459 B CN 109546459B CN 201910020248 A CN201910020248 A CN 201910020248A CN 109546459 B CN109546459 B CN 109546459B
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- Prior art keywords
- signal transmission
- module
- shielding plate
- metal shielding
- transmission module
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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]
- H01R13/6581—Shield structure
-
- 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
- H01R13/02—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
- H01R13/40—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
- H01R13/46—Bases; Cases
- H01R13/514—Bases; 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
-
- 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]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R13/6588—Shielding material individually surrounding or interposed between mutually spaced contacts with through openings for individual contacts
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The application discloses a female end signal transmission module with a metal shielding plate, which comprises a signal transmission module and the metal shielding plate fixed on the signal transmission module, wherein the signal transmission module comprises a module shell, a signal transmission reed and a plastic package module, a plurality of concave cavities are formed on the module shell, the signal transmission reed is arranged in the concave cavities, and the plastic package module covers the concave cavities and seals the concave cavities to enable the signal transmission reed to form a sealed signal channel; more than two protruding structures are arranged on one side edge of the metal shielding plate at intervals, protruding points are arranged above the protruding structures, and the protruding structures protrude towards the outer side of the metal shielding plate. The female end signal transmission module with the metal shielding plate is applied to the high-speed differential signal connector, and can reduce mutual interference between differential signal pairs as much as possible and shorten a reflux path.
Description
Technical Field
The application relates to the technical field of high-speed differential connectors, in particular to a female-end signal transmission module with a metal shielding plate.
Background
In the existing high-speed differential signal connector, the reflow paths around the differential signals in the transmission link are realized by reducing the reflow paths through multipoint connection and through mutual communication among metal shielding pieces, and other structures are required to be assisted for keeping the consistent space between the metals, so that the process is complex and difficult to control.
In the current high-speed differential signal connector, due to the limitation of the structure, crosstalk among signals is serious, differential signals interfere with each other, and finally the transmission effect of the signal connector is affected.
Disclosure of Invention
The application aims to provide a female-end signal transmission module with a metal shielding plate, which solves the problems that crosstalk is easy to occur between signal pairs and a backflow path between the signal pairs is large due to the limitation of the structure of the signal transmission module.
In order to solve the technical problems, the application adopts the following technical scheme:
the female end signal transmission module with the metal shielding plate comprises a signal transmission module and the metal shielding plate fixed on the signal transmission module, wherein the signal transmission module comprises a module shell, a signal transmission reed and a plastic package module, a plurality of concave cavities are formed in the module shell, the signal transmission reed is arranged in the concave cavities, and the plastic package module covers the concave cavities and seals the concave cavities to enable the signal transmission reed to form a sealed signal channel; more than two protruding structures are arranged on one side edge of the metal shielding plate at intervals, protruding points are arranged above the protruding structures, and the protruding structures protrude towards the outer side of the metal shielding plate.
Preferably, the concave cavities are distributed according to the differential signal routing paths of the signal transmission reeds, and the cavity edges of the concave cavities are spaced from the differential routing edges of the differential signal transmission reeds.
Preferably, the differential signal wiring path extends from one side of the module case to an adjacent side of the module case, and the contact terminal of the signal transmission reed extends to the outside of the module case.
Preferably, the two signal transmission reeds form differential pairs and are arranged in the same concave cavity, and the two signal transmission reeds in each differential pair are symmetrically arranged.
Preferably, when the metal shielding plate is mounted on the signal transmission module, the protruding structure is located between adjacent differential signal pairs of the signal transmission module.
Preferably, the surface of the module case is covered with a plating layer.
Preferably, a shielding member mounting groove for mounting a shielding member is formed in a side of the module housing away from the signal transmission reed contact terminal, a bending convex portion is formed at a corresponding position on the metal shielding plate, the bending convex portion is adapted to the shielding member mounting groove, and a bending direction of the bending convex portion is opposite to a protruding direction of the bridge structure.
Preferably, the module case is provided with a mounting projection at an end portion where the shield mounting groove is provided.
Preferably, protruding teeth for fixing and conducting with the base are arranged at intervals at one end of the metal shielding plate opposite to the bending protruding part, and L-shaped latch teeth for fixing with the base are arranged on one side edge of the metal shielding plate.
Compared with the prior art, the application has the beneficial effects that at least one of the following is adopted:
1. according to the application, the plurality of concave cavities are arranged on the module shell in the female end signal transmission module of the high-speed differential signal connector, the cavities are distributed according to the differential signal wiring paths, and the signal transmission reeds are fixed in the concave cavities, so that a closed signal channel is formed, and finally, the concave cavities are distributed on three sides around the transmitted differential signals in an electroplating way, so that the mutual interference between differential signal pairs can be reduced.
2. In the application, after the metal shielding plate and the female end signal transmission modules are fixed, the plurality of female end signal transmission modules are arranged in parallel, so that the metal shielding plate and the shielding shell of the adjacent female end signal transmission module can be communicated in multiple points, and the reflux path is shortened.
3. The bump structure can form ground holes around the signal holes and is positioned between every two signal differential pairs, so that crosstalk between signals is reduced.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a schematic structural diagram of a signal transmission module according to the present application.
Fig. 3 is a schematic structural view of the module case of the present application.
Fig. 4 is a schematic structural view of the signal transmission reed of the present application mounted on a module housing.
Fig. 5 is a schematic structural view of the metal shielding plate of the present application.
Fig. 6 is a schematic diagram of the overall structure of the metal shielding member and the female signal transmission module after installation.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Referring to fig. 1, 2 and 5, for an embodiment of the present application, a female-end signal transmission module with a metal shielding plate includes a signal transmission module and a metal shielding plate 200 fixed on the signal transmission module, where the metal shielding plate 200 is installed on the signal transmission module, and is capable of shielding differential signals, and at the same time, by setting the metal shielding plate, a return path is further shortened.
The signal transmission module comprises a module shell 101, a signal transmission reed 102 and a plastic package module 103, wherein a plurality of concave cavities 104 are formed in the module shell 101, the signal transmission reed 102 is arranged in the concave cavities 104, and the plastic package module 103 covers the concave cavities 104 and seals the concave cavities 104, so that the signal transmission reed 102 forms a sealed signal channel; in the signal transmission module, the concave cavity is arranged on the module shell 101, and the differential signal pair consisting of the signal transmission reed 102 is fixed in the concave cavity, so that after the module shell is electroplated, the concave cavity is electroplated and distributed on three surfaces around the transmission differential signal, and the mutual interference between the differential signal pair can be reduced.
More than two protruding structures 206 are arranged on one side of the metal shielding plate 200 at intervals, protruding points 207 are arranged above the protruding structures 206, and the protruding structures 206 protrude towards the outer side of the metal shielding plate 200. The bump structure 206 is a bump formed on one side of the shield plate body 200 and extending upward on the side, and the bump is used for contacting with an adjacent signal transmission module. In this embodiment, after the metal shielding plate is fixed to the male signal transmission module or the female signal transmission module, the plurality of signal transmission modules are arranged in parallel, and the protruding structure 206 can enable the metal shielding plate to be in multipoint communication with the shielding shell of the adjacent signal transmission module, so that the reflow path is shortened.
Fig. 3 shows a schematic structure of the module case 101, according to the display of the module case 101, a concave cavity 104 is provided on the surface of the module case 101, and the concave cavity 104 takes a curved groove shape, and the concave cavity 104 extends from one side of the module case 101 toward an adjacent side.
Fig. 4 shows a schematic structural view of the signal transmission reed 102 mounted on the module case 101, and the signal transmission reed 102 is mounted along the direction of the concave cavity 104 when the signal transmission reed 102 is mounted in the concave cavity 104. During installation, the plastic package module 103 is divided into two pieces, each two signal transmission reeds 102 form a differential pair, and one signal transmission reed 102 is installed to cover one plastic package module 103, so that the two signal transmission reeds 102 between the same differential pair form a distance, and are convenient to form fit with a pin of a male end.
Further, for another embodiment of the present application, based on the above embodiment, the concave cavity 104 is distributed according to the differential signal routing paths of the signal transmission reed 102, and a cavity edge of the concave cavity 104 and a differential routing edge of the differential signal transmission reed 102 have a space. In this embodiment, the cavities are distributed according to differential paths, so that on one hand, the return paths are shortened as much as possible, and the crosstalk between differential signals is reduced, and on the other hand, the concave cavities are at a certain distance from the differential signals, so as to perform impedance matching better.
Further, for another embodiment of the present application, on the basis of the above embodiment, the differential signal routing path extends from one side of the module housing 101 to an adjacent side of the module housing 101, and the contact terminal 1021 of the signal transmission reed 102 extends to the outside of the module housing 101. In this embodiment, the paths of the differential wires are defined, and since the signal transmission reed 102 is to transmit signals, both ends of the signal transmission reed 102 may transmit signals with other structures, so according to the transmission principle of the signal connector, the signal transmission reed 102 is in an arc-shaped curved arrangement, and therefore the paths of the differential wires extend from one side of the module housing 101 to the adjacent side of the module housing 101, so that the contact terminal 1021 of the signal transmission reed 102 is matched with the male pin, and the contact terminal 1021 of the signal transmission reed 102 extends to the outside of the module housing 101.
Further, for another embodiment of the present application, on the basis of the above embodiment, the two signal transmission reeds 102 are installed in the same concave cavity 104 as each other to form a differential pair, and the two signal transmission reeds 102 in each differential pair are symmetrically arranged. In this embodiment, in order to mate with the pin in the male connector, two signal transmission reeds 102 need to be fixed in the same concave cavity 104, and the two signal transmission reeds 102 form a differential pair for mating with the pin of the male connector, and the contact terminals of the signal transmission reeds 102 mated with the pin of the male connector are in opposite wavy bending arrangement, and perform signal transmission with the pin of the male connector.
Further, for one embodiment of the present application, the bump structure 206 is located between adjacent differential signal pairs of the signal transmission module when the metal shielding plate 200 is mounted on the signal transmission module, based on the above embodiment. As shown in fig. 6, when the bump structure 207 on the metal shielding plate is mounted on the signal transmission module, the ground hole 208 is formed between the differential signal pairs 301, so the bump structure should be located between the adjacent differential signal pairs of the signal transmission module, thereby reducing crosstalk between signals.
Further, according to another embodiment of the present application, the surface of the module case 101 is covered with a plating layer on the basis of the above embodiment. The electroplated layer can be an electroplated nickel, gold, silver, copper and other conductive metal materials; in addition, the module housing 101 may be made of any suitable material that can make the module housing 101 conductive, such as adding metal fiber and graphite into the module housing; after the surface of the module shell 101 is electroplated, concave cavities are electroplated on three surfaces around the transmission differential signal, so that signal interference between differential signal pairs is shielded; in addition, due to the skin effect of the metal in the signal transmission process, the module housing 101 can be approximately regarded as metal after being electroplated and surrounds the differential signal to serve as a differential signal reflux path, so that interference between the differential signal pair is reduced, and the signal reflux path is shortened.
Further, according to another embodiment of the present application, on the basis of the above embodiment, a shield mounting groove 105 for mounting a shield is formed on a side of the module case 101 away from the contact terminal of the signal transmission reed 102, a bending protrusion 203 is formed at a corresponding position on the metal shield 200, the bending protrusion 203 is adapted to the shield mounting groove 105, and a bending direction of the bending protrusion 203 is opposite to a protruding direction of the bridge structure 201. When the metal shield 200 is mounted on the module case 101, the bent convex portion 203 of the metal shield 200 is just inserted into the shield mounting groove 105 on the module case 101, so that the metal shield 200 can be more firmly fixed on the module case 101, and the module case 101 can be treated as metal after being electroplated, so that the arrangement of the structure can ensure multi-point communication between the module case 101 and the metal shield 200.
Further, for another embodiment of the present application, on the basis of the above embodiment, the end portion of the module case 101 where the shield mounting groove 105 is provided with a mounting protrusion 106. In this embodiment, the mounting protrusion 106 is provided to facilitate mounting the female transmission module on the female base and clamping the female transmission module by the tail clip.
Further, according to another embodiment of the present application, in the above embodiment, a protruding tooth 204 for fixing to and conducting with the base is provided at an end of the metal shielding plate 200 opposite to the bending protrusion 203, and an "L" shaped latch 205 for fixing to the base is provided at one side of the metal shielding plate 200. The protruding teeth in this embodiment are mainly used for fixing on the base and conducting with the base, and the "L" shaped latch is used for fixing with the base.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application as broadly described. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the application.
Although the application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a female end signal transmission module of area metal shield board which characterized in that: comprises a signal transmission module and a metal shielding plate (200) fixed on the signal transmission module,
the signal transmission module comprises a module shell (101), a signal transmission reed (102) and a plastic package module (103),
the module shell (101) is provided with a plurality of concave cavities (104), the signal transmission reed (102) is arranged in the concave cavities (104), and the plastic package module (103) covers the concave cavities (104) and seals the concave cavities (104) so that the signal transmission reed (102) forms a sealed signal channel;
more than two protruding structures (206) are arranged on one side edge of the metal shielding plate (200) at intervals, protruding points (207) are arranged above the protruding structures (206), and the protruding structures (206) protrude towards the outer side of the metal shielding plate (200);
the concave cavities (104) are distributed according to the differential signal routing paths of the signal transmission reeds (102), and the cavity edges of the concave cavities (104) are spaced from the differential routing edges of the differential signal transmission reeds (102);
the differential signal wiring path extends from one side edge of the module housing (101) to an adjacent side edge of the module housing (101), and the contact terminal (1021) of the signal transmission reed (102) extends to the outer side of the module housing (101);
when the metal shielding plate (200) is installed on the signal transmission module, the protruding structures (206) are positioned between adjacent differential signal pairs of the signal transmission module;
the module housing (101) is far away from a shielding piece mounting groove (105) for mounting a shielding piece is formed in one side of the signal transmission reed (102) contacting terminal, a bending convex part (203) is arranged at a position, corresponding to the shielding piece mounting groove (105), on the metal shielding plate (200), the bending convex part (203) is matched with the shielding piece mounting groove (105), and the bending direction of the bending convex part (203) is opposite to the protruding direction of the protruding structure (206).
2. The female end signal transmission module with a metal shield according to claim 1, wherein: the two signal transmission reeds (102) form differential pairs and are arranged in the same concave cavity (104), and the two signal transmission reeds (102) in each differential pair are symmetrically arranged.
3. The female end signal transmission module with a metal shield according to claim 1 or 2, wherein: the surface of the module case (101) is covered with a plating layer.
4. A female end signal transmission module with a metal shield according to claim 3, wherein: the end part of the module shell (101) provided with the shielding piece mounting groove (105) is provided with a mounting protrusion (106).
5. A female end signal transmission module with a metal shield according to claim 3, wherein: protruding teeth (204) used for being fixed and conducted with the base are arranged at intervals at one end, opposite to the bending protruding portions (203), of the metal shielding plate (200), and L-shaped clamping teeth (205) used for being fixed with the base are arranged on one side edge of the metal shielding plate (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020248.7A CN109546459B (en) | 2019-01-09 | 2019-01-09 | Female end signal transmission module with metal shielding plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020248.7A CN109546459B (en) | 2019-01-09 | 2019-01-09 | Female end signal transmission module with metal shielding plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546459A CN109546459A (en) | 2019-03-29 |
| CN109546459B true CN109546459B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910020248.7A Active CN109546459B (en) | 2019-01-09 | 2019-01-09 | Female end signal transmission module with metal shielding plate |
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| Country | Link |
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| CN (1) | CN109546459B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861035B (en) * | 2019-04-22 | 2023-12-05 | 四川华丰科技股份有限公司 | High-speed connector |
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| CN103151650A (en) * | 2013-03-06 | 2013-06-12 | 华为机器有限公司 | Signal connector |
| CN203218617U (en) * | 2013-03-22 | 2013-09-25 | 四川华丰企业集团有限公司 | High-speed signal connector with special-shaped shield plate |
| CN103606787A (en) * | 2013-09-13 | 2014-02-26 | 连展科技电子（昆山）有限公司 | Socket electric connector capable of restraining crosstalk |
| CN107359479A (en) * | 2017-08-08 | 2017-11-17 | 四川华丰企业集团有限公司 | High-speed signal connector with semi-packing type barricade |
| CN107492766A (en) * | 2017-08-08 | 2017-12-19 | 四川华丰企业集团有限公司 | Using the high-speed signal connector of semi-packing type barricade |
| CN107623229A (en) * | 2017-10-23 | 2018-01-23 | 安费诺（常州）高端连接器有限公司 | Series connection protected type back panel connector |
| CN109088200A (en) * | 2018-08-27 | 2018-12-25 | 四川华丰企业集团有限公司 | Multi-contact electric connector and electronic equipment |
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2019
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190807A (en) * | 1997-01-07 | 1998-08-19 | 连接器***工艺公司 | Connector with IC printed board assembly |
| CN101273501A (en) * | 2005-06-30 | 2008-09-24 | 安费诺公司 | High speed, high density electrical connector |
| CN102315534A (en) * | 2010-07-08 | 2012-01-11 | 泰科电子(上海)有限公司 | Electric connector |
| CN102969618A (en) * | 2012-12-17 | 2013-03-13 | 深圳格力浦电子有限公司 | Female end plug of high-speed connector |
| CN103151650A (en) * | 2013-03-06 | 2013-06-12 | 华为机器有限公司 | Signal connector |
| CN203218617U (en) * | 2013-03-22 | 2013-09-25 | 四川华丰企业集团有限公司 | High-speed signal connector with special-shaped shield plate |
| CN103606787A (en) * | 2013-09-13 | 2014-02-26 | 连展科技电子（昆山）有限公司 | Socket electric connector capable of restraining crosstalk |
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| CN107492766A (en) * | 2017-08-08 | 2017-12-19 | 四川华丰企业集团有限公司 | Using the high-speed signal connector of semi-packing type barricade |
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| CN109546459A (en) | 2019-03-29 |
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Address after: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Applicant after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Applicant before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |
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