WO1996010280A1 - Steckverbinder mit einer stiftkontaktleiste und einer buchsenkontaktleiste - Google Patents
Steckverbinder mit einer stiftkontaktleiste und einer buchsenkontaktleiste Download PDFInfo
- Publication number
- WO1996010280A1 WO1996010280A1 PCT/EP1995/003813 EP9503813W WO9610280A1 WO 1996010280 A1 WO1996010280 A1 WO 1996010280A1 EP 9503813 W EP9503813 W EP 9503813W WO 9610280 A1 WO9610280 A1 WO 9610280A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- socket
- strip
- pin
- contacts
- contact strip
- Prior art date
Links
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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
- H01R13/035—Plated dielectric material
-
- 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]
- H01R13/6598—Shield material
- H01R13/6599—Dielectric material made conductive, e.g. plastic material coated with metal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- 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
-
- 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
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2107/00—Four or more poles
Definitions
- the present invention relates to a plug connector with a pin contact strip and a socket contact strip and with pin contacts and socket contacts arranged correspondingly on the pin contact strip and the socket contact strip, the pin contacts and socket contacts resting against one another by spring force when the pin contact strip and socket contact strip are in the inserted state and the pin contact on the plug-in process slides at least in regions over the socket contact surface.
- Such a connector is e.g. known from DE-OS-2825467.
- the known plug connector comprises a socket strip in the plug-in area of which, on one side, a plurality of groove grooves lying side by side are incorporated, into which socket contacts bent from sheet metal can be resiliently latched.
- a gap is formed between the inner wall provided with the socket contacts and the opposite inner wall of the socket contact strip, into which a plug strip provided with a plurality of pin contacts lying next to one another can be inserted with its plug-in area.
- a generic connector is also known from US-A-4 850 899.
- pin contact strip and / or the socket contact strip consist of and / or consist of strip halves which are divided transversely to the plug-in direction and are symmetrically formed and connected to one another and on which are likewise symmetrical to one another
- Pin contacts or socket contacts are arranged in such a way that the contact surfaces of the pin contacts on the corresponding strip halves essentially point away from the parting plane of the pin contact strip and / or the socket contact surfaces of the socket contacts on the corresponding strip halves essentially point towards the parting plane of the socket contact strip, the clear
- the distance with opposite socket contact surfaces in the plug-in area is at least in some areas less than the clear distance between the assigned contact surfaces of the pin contacts in the unplugged state.
- the symmetrical structure of the socket contact strip and / or pin contact strip, each consisting of two strip halves offers the advantage, despite the compact design, that only two different molded bodies are used for the entire plug connector.
- the strip halves are manufactured by injection molding, the costs for producing different types of injection molds are reduced, and the production of complex stamping and bending tools for the contact elements of both the pin and the socket strip is also eliminated.
- this solution also offers the possibility of assigning at least two parallel rows of contacts on the pin contact strip and the socket contact strip one above the other, so that the contacts are doubled compared to conventional plug connectors with the same strip length.
- the larger clear distance between the contact surfaces of the pin contacts means that the two contacts are pressed against one another so that during the A wiping movement to provide optimal contacting of the contact surfaces.
- US-A-475 374 already discloses a symmetrically divided socket for connection to a printed circuit board.
- novel manufacturing techniques are used in the solution according to the invention, in which the contact path course of socket contacts and pin contacts is essentially inventive, parallel to a plane.
- the pin contact strip and / or socket contact strip are made of a plastic which can be germinated with palladium and can be coated with copper in an electroless manner, on which the pin contacts and / or socket contacts are accordingly applied by selective galvanic deposition of electrically conductive contact tracks on the surface.
- the socket contact strip divided in this way is suitable for such a manufacturing process because the contact tracks can be manufactured by using laser structuring. Such a procedure would not be possible with an undivided socket strip.
- the so-called MID process can considerably shorten the product development time, since a stamping and bending solution for the production of the contacts does not have to be developed.
- the number of process steps and tools for producing the plug connector according to the invention can thus also be reduced again.
- an embodiment should also be mentioned in which the strip halves are produced in a two-shot injection molding process, in which only the plastic components, the contact tracks as an individual part (contact grid) germinate without the need for laser structuring (Pd) and be fed back to the injection molding process.
- the downstream contact layer structure can be carried out electroplating as bulk goods for drum electroplating or rack goods after the second injection molding process. This does not affect the symmetrical configuration of the strip halves and the symmetrical arrangement of the contacts. It is in in this connection also referred to the fact that other metallizable plastics can also be used.
- the socket contacts and / or pin contacts can be produced cost-effectively by means of a galvanically deposited composite contact layer Cu / Ni / Au.
- the layer thickness of such a contact layer can be set as desired and is ultimately dependent on the respective intended use.
- a resilient arrangement of the pin contacts in the plug-in area of the pin contact strip is achieved by arranging the contact surfaces and partially the pin contacts on support arms arranged on the pin contact strip. Since the bending stiffness of such support arms is not excessively high, the contacts in the plug-in area are arranged on precisely these resilient support arms and move approximately in a circular path around the attachment point of the support arm on the main part of the pin contact strip.
- a preferred embodiment of the support arms is that they are essentially L-shaped, the end face of the long L-leg being connected to the main part of the pin contact strip and the end faces of the short L-leg of the two Strip halves opposite each other at a distance. Such a shape has several advantages.
- the distance between the short L-legs of two strip halves provides protection against overloading of the contacts when deflecting, which in any case prevents the arms from breaking off.
- the contact surfaces of the pin contacts are preferably arranged on the most flexible region of the support arm, that is to say on the back of the short L-leg.
- the socket contact strip preferably has a skirt which, when plugged in, surrounds the plug-in area of the pin contact strip and forms the plug-in area, on the inside of which the socket contact surfaces of the socket contacts are arranged.
- the apron offers sufficient protection of the contacted contacts, at least when plugged in, and at the same time provides a guide for the plug-in area of the pin contact strip during the plug-in process.
- contact connections of the pin contacts and / or socket contacts can be arranged for connection to at least one printed circuit board.
- the contact connections point towards one another, so that a contact connection can be achieved by interposing a single printed circuit board with conductor tracks arranged on both sides.
- the contact connections similar to the pin contacts in the plug-in area, can be arranged on individual support arms attached to the main part of the pin contact strip and the socket contact strip, or support segments connected over the entire surface. In this way, a resilient arrangement of the contact connections is also realized, whereby pressing against a mating contact can take place.
- plug elements and correspondingly assigned holding openings can be provided in an axially symmetrical arrangement on the strip halves of the pin contact strip and / or socket contact strip. Even with such an attachment of plug-in elements and holding openings, the strip halves can be designed symmetrically, so that only a single mold, for example when injection molding the corresponding strip, is still necessary.
- a shielding layer preferably made of copper. This makes the plug connection less susceptible to faults.
- the MID technology makes it possible to produce the shielding layer by means of a galvanic metallization process, which leads to a considerable reduction in the cost of producing a shield, since this, for example, can be applied simultaneously with the copper layer of the contact tracks.
- the shielding layer can be surrounded by a non-conductive passivation layer or a nickel layer in order to protect it from external influences.
- FIG. 2 is an exploded perspective view of the connector
- 3 shows a perspective view of the socket contact strip in a front view
- FIG. 4 shows the socket contact strip from FIG. 3 in a rear view in an exploded view
- FIG. 5 shows the pin contact strip from FIG. 1 in a perspective side view from the right
- FIG. 6 shows a sketch of a sequence of a first method variant for producing a socket contact strip according to the invention
- FIG. 7 shows a sketch of a sequence of operations of a second method variant for producing a shielded socket contact strip according to the invention.
- the connector shown in FIGS. 1 and 2 consists essentially of a pin contact strip 1 and a socket contact strip.
- the pin contact strip 1 and the socket contact strip 2 consist of strip halves 3 which are divided in the plug-in direction A, are formed symmetrically to one another and are connected to one another 5 of the opposite half bar 3 can be inserted.
- the choice of fit between plug elements 4 and holding openings 5 is selected such that the two strip halves 3 are held together essentially by the plug elements 4 and the holding openings 5 or are connected to one another in a supportive manner for the socket strip by additional ultrasonic welding.
- the arrangement of the plug-in elements 4 and holding openings 5 takes place essentially axially symmetrically with respect to the opposite strip half 3, so that both strip halves 3 can still be produced with the same molding tool.
- the pin contact strip 1 essentially consists of a main web or main part 6 with a centrally arranged receiving part 7, which has a through opening 8 for receiving, for example, an HF plug connection, and on the main part 6 arranged L-shaped support arms 9 which, like the prongs of a comb, stand side by side from each strip half 3 of the pin contact strip 1.
- the receiving part 7 and the through opening 8 are each symmetrically divided between the two strip halves 3 so that the separating plane lies in the axis of the through opening.
- the end face of the long L-leg 10 is connected to the main part 6 of the pin contact strip 1, whereas the end faces of the short L-leg 11 of the associated strip halves are opposite one another at a distance.
- all support arms 9 of a strip half 3 lie in a plane parallel to the parting plane, two support arms 9 of each of the two strip halves 3 joined together lying in a plane horizontal to the parting plane 3.
- the support arms 9 behave like spiral springs, the distance between the end faces of the short L-legs 11 limiting the deflection.
- small support arms 12 also projecting from the main part 6 are arranged in alignment with the L-shaped support arms 9.
- contacts 13 are arranged on the side of the strip halves 3 facing away from the division plane.
- the contacts 13 also run on the sides of the support arms 9, 12 facing away from the division plane 13.
- light that the contacts 13 of a strip half 3 to the parting plane are each arranged mirror-symmetrically to the contacts 13 of the other strip half 3.
- Both strip halves 3 are thus still of the same shape.
- the pin contacts 13 On the back of the short L-leg, the pin contacts 13 have a thickening forming the contact surface 14.
- a similar thickening is located at the opposite end of the contacts 13 to form contact connections 14 which can be brought into spring contact with two circuit boards, not shown, or which are in direct contact with conductors of a housing surrounding the pin contact strip.
- the pin contacts 13 are made of a conductive material, preferably copper with a galvanic Ni and Au layer structure.
- the plug-in area S of the pin contact strip 1 is essentially defined by the length of the L-shaped support arms 9.
- the clear distance at opposite contact surfaces 14 is indicated by the reference symbol B.
- the socket contact strip 2 has a circumferential skirt 16, the opening and depth of which define the insertion area T of the socket contact strip 2. In the middle of the apron 16, the socket contact strip 2 has a socket receiving part corresponding to the receiving part 7 of the pin contact strip 1
- socket receiving part 17 which also has a through opening 8 for receiving an RF connector.
- the division of the socket receiving part 17 and the through opening 8 is again carried out symmetrically on both strip halves 3.
- small support arms 18 projecting to the rear are provided on the socket contact strip 2, which are arranged on each strip half 3 in a plane parallel to the parting plane, two support arms each
- socket contacts 19 extend from the plug-in area T to the side of the support arms 18 facing the parting plane.
- the socket contact surfaces 20 are located approximately in the entire area of the plug-in area T, while the contact connections 15 are formed at the end of the support arms by thickening of the socket contacts 19.
- the socket contacts 19 arranged in this way in the socket contact strip 2 are arranged in such a way that their socket contact surfaces 20 are directed towards the division plane.
- the contact connections 15 on the socket contact strip 2 point towards one another, which is why a connection can be established by interposing a circuit board provided with contact cables on both sides and not shown. So that such a circuit board does not have to be too thick, the socket contacts 19 run at the end of the insertion area T via ramps 21 in the direction of the parting plane, so that the support arms 18 are arranged correspondingly closer together to reduce the distance between the contact connections 15 can.
- the socket contacts 19 are at a distance from one another in the insertion area T, which is identified by the reference symbol C.
- the socket contacts 19 and the pin contacts 13 are aligned with one another in the direction of insertion A. Since the clear distance C of the socket contact surfaces 20 is chosen to be smaller than the distance B of the contact surfaces 14, the L-shaped support arms 9 deflect in the direction of the division plane during the plugging process, so that a pressure is present between the contact surface 14 of the pin contacts 13 and the socket contact surface 20 of the socket contacts 19, which leads to better mounting of the pin contact strip 1 in the socket contact strip 2 and causes a wiping movement of the contacts on one another, which leads to a distance of contributes to small impurities.
- the socket contacts 19 likewise consist of a conductive material, preferably copper with a galvanic nickel and gold top layer structure.
- the method shown in FIG. 6 comprises the following steps:
- a copper layer is chemically deposited on the surface of the strip half 3 until it essentially completely covers the surface.
- the copper layer on the surface of the strip half 3 is galvanically reinforced to approximately 5 to 10 ⁇ .
- the copper layer is galvanically reinforced up to 30 ⁇ m at the areas freed from the electrocoat material. A deposit in the other places is prevented by the electro-dipping paint.
- Nickel with a thickness of 3 to 4 ⁇ m is electrodeposited onto the copper layers reinforced in step VI, so that a contact path refinement is given.
- the contact tracks are further refined by electroplating gold with a thickness of 1.5 to 2 ⁇ m onto the nickel layer.
- step VI The copper layers not reinforced in step VI are removed in a last step, so that the plastic surface is exposed again. Two symmetrical strip halves 3 can then be put together to form a pin or socket contact strip 2.
- the method was explained here using a strip half 3 for a socket contact strip 2, since most problems arise for the manufacture of the socket contact strip 2.
- a strip half 3 for the pin contact strip 1 a symmetrical division is not absolutely necessary, because the laser processing can also be carried out on the other side by simply turning the pin contact strip 1.
- the symmetrical division of the socket contact bar 2 makes it possible in the first place that the MID technology (molded interconnect device) can be used to produce such a socket contact bar 2.
- the copper layer is reinforced to a nominal thickness of approx. 30 ⁇ m by a galvanic process.
- etch-resistant layer which preferably consists of tin with a thickness of 1 to 2 ⁇ m and is applied by a chemical process.
- the copper freed from the etch-resistant layer is removed in an etching process.
- the copper layer areas which are later to form the shield are covered and passivated by a surface protection layer which can be selected according to the desired requirements.
- the MID technology can also be used in a simple manner due to the symmetrical structure of the strip halves 3 used here.
- the laser beam does not need to be guided into almost inaccessible places for the laser structuring of the contact trains.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19581084T DE19581084D2 (de) | 1994-09-26 | 1995-09-26 | Steckverbinder mit einer Stiftkontaktleiste und einer Buchsenkontaktleiste |
SE9601906A SE9601906L (sv) | 1994-09-26 | 1996-05-20 | Stickkkontakt med en stiftkontaktlist och en hylskontaktlist |
FI962207A FI962207A (fi) | 1994-09-26 | 1996-05-24 | Pistoliitin, jossa on pistikekosketusliuska ja vastakekosketusliuska |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG9415537.2U | 1994-09-26 | ||
DE9415537U DE9415537U1 (de) | 1994-09-26 | 1994-09-26 | Steckverbinder mit einer Stiftkontaktleiste und einer Buchsenkontaktleiste |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996010280A1 true WO1996010280A1 (de) | 1996-04-04 |
Family
ID=6914150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/003813 WO1996010280A1 (de) | 1994-09-26 | 1995-09-26 | Steckverbinder mit einer stiftkontaktleiste und einer buchsenkontaktleiste |
Country Status (4)
Country | Link |
---|---|
DE (2) | DE9415537U1 (de) |
FI (1) | FI962207A (de) |
SE (1) | SE9601906L (de) |
WO (1) | WO1996010280A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102790319A (zh) * | 2011-05-16 | 2012-11-21 | 施耐德电器工业公司 | 插座、插头和组件 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7140917B1 (en) * | 2005-08-05 | 2006-11-28 | Molex Incorporated | Shielded electrical connector having latch means, and method of fabricating same |
DE102011052792B4 (de) | 2011-08-18 | 2014-05-22 | HARTING Electronics GmbH | Isolierkörper mit Schirmkreuz |
DE102012105256A1 (de) * | 2012-06-18 | 2013-12-19 | HARTING Electronics GmbH | Isolierkörper eines Steckverbinders |
DE102012105257B4 (de) | 2012-06-18 | 2018-06-07 | HARTING Electronics GmbH | Isolierkörper eines Steckverbinders |
DE102012022004B3 (de) | 2012-11-12 | 2014-02-06 | HARTING Electronics GmbH | Isolierkörper mit Schirmkreuz |
EP3847723A4 (de) * | 2018-10-23 | 2022-04-27 | Siemens Aktiengesellschaft | Verbinder und dreiwegübertragungs- und wandlerschaltungsmodul |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795374A (en) * | 1987-05-04 | 1989-01-03 | Molex Incorporated | Double sided edge connector |
US4850899A (en) * | 1988-06-20 | 1989-07-25 | Maynard Scott D | Connector for interfacing a disk drive with a computer |
EP0430267A1 (de) * | 1989-11-30 | 1991-06-05 | The Whitaker Corporation | Gegossener elektrischer Verbinder mit integrierten Federkontaktzungen |
US5046967A (en) * | 1990-03-05 | 1991-09-10 | Amphenol Interconnect Products Corporation | Electrical connector shell including plastic and metal portions, and method of assembly |
-
1994
- 1994-09-26 DE DE9415537U patent/DE9415537U1/de not_active Expired - Lifetime
-
1995
- 1995-09-26 WO PCT/EP1995/003813 patent/WO1996010280A1/de active Application Filing
- 1995-09-26 DE DE19581084T patent/DE19581084D2/de not_active Expired - Fee Related
-
1996
- 1996-05-20 SE SE9601906A patent/SE9601906L/xx not_active Application Discontinuation
- 1996-05-24 FI FI962207A patent/FI962207A/fi unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795374A (en) * | 1987-05-04 | 1989-01-03 | Molex Incorporated | Double sided edge connector |
US4850899A (en) * | 1988-06-20 | 1989-07-25 | Maynard Scott D | Connector for interfacing a disk drive with a computer |
EP0430267A1 (de) * | 1989-11-30 | 1991-06-05 | The Whitaker Corporation | Gegossener elektrischer Verbinder mit integrierten Federkontaktzungen |
US5046967A (en) * | 1990-03-05 | 1991-09-10 | Amphenol Interconnect Products Corporation | Electrical connector shell including plastic and metal portions, and method of assembly |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102790319A (zh) * | 2011-05-16 | 2012-11-21 | 施耐德电器工业公司 | 插座、插头和组件 |
US8951074B2 (en) | 2011-05-16 | 2015-02-10 | Schneider Electric Industries Sas | Socket, a plug, and an assembly |
Also Published As
Publication number | Publication date |
---|---|
DE9415537U1 (de) | 1996-02-01 |
SE9601906D0 (sv) | 1996-05-20 |
SE9601906L (sv) | 1996-05-20 |
DE19581084D2 (de) | 1996-09-26 |
FI962207A0 (fi) | 1996-05-24 |
FI962207A (fi) | 1996-07-05 |
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