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53results about How to "Meet wiring requirements" patented technology

Forming process for fine line circuit with line width being below 0.05mm of flexible printed circuit board

The invention discloses a forming process for a fine line circuit with line width being below 0.05mm of a flexible printed circuit board, aiming to manufacture an IC (Integrated Circuit) package flexible substrate which has a copper-coated base material with the width being below 40 mu m and is 0.05mm in line width. The forming process for the fine line circuit with the line width being below 0.05mm of the flexible printed circuit board comprises the following steps of: material selecting, laser-based blind hole drilling, hole blacking, wet-process dry film attaching, exposure for development, blind hole electroplating, film removing and cleaning, secondary wet-process dry film attaching, secondary exposure for development, and circuit etching. Compared with the prior art, the IC package flexible substrate, which has the copper-coated base material with the width being below 40 mu m, is 0.05mm in line width and is manufactured through the steps of material selecting, laser-based blind hole drilling, hole blacking, wet-process dry film attaching, exposure for development, blind hole electroplating, film removing and cleaning, secondary wet-process dry film attaching, secondary exposure for development and circuit etching, fully meet a wiring requirement of the IC package flexible substrate, and is simple in process, low in cost, high in qualification rate and suitable for industrialized production.
Owner:吉安新宇腾跃电子有限公司

Contactor with multi-group contact units

InactiveCN101950712AMeet the wiring requirementsMeet the electrical clearanceElectromagnetic relay detailsEngineeringSecondary development
The invention relates to a contactor with multi-group contact units, comprising a foundation and a substrate. The middle part of the interior of the chamber of the substrate is provided with a supporting piece, the supporting piece is provided with moving contact components of a first group of contact units, the moving contact components of a second group of contact units are arranged on the supporting piece and at both sides or either side of the moving contact components of the first group of contact units; the moving contact components of a third group of contact units are arranged below the moving contact components of the second group of contact units; and the supporting piece is fixedly connected on a movable core and drives the moving contact components to contact or leave the corresponding static contact components along with the motion of the movable core. In the invention, secondary development is carried out on the basis of providing only one constantly open or constantly closed signal contactor, and another contact component is reasonable additionally arranged by adjusting the position and dimension of a control unit space, the supporting piece, the contact and a contact bridge, so that the contactor can be provided with the constantly open and constantly closed contact units at the same time.
Owner:DELIXI ELECTRIC

Method for laying circuit board line

The invention discloses a method for laying out circuit board line. A data processing device assists a routing application program to carry out linear distance calculation and ground wire layout. The method comprises the steps: the linear distances between two signal lines with different line characteristics are respectively read from the corresponding routing parameters of the two signal lines and compared, and the larger linear distance is chosen as the linear distance of the two signal lines; at the same time, the line width of the ground wire to be laid out is calculated according to calculation rules; the line width calculated is compared with the line width regulated in the routing parameters of the line characteristics of the ground, if the comparison result is not in accordance, the line width regulated in the routing parameters of the line characteristics of the ground is corrected into the line width calculated to have the routing application program lay out the ground wire between the two signal lines according to the corrected ground wire width, thereby improving the correctness of the calculation and working efficiency, simplifying operation process and saving operation time.
Owner:INVENTEC CORP

Tire pressure monitoring and alarming system based on CAN (Controller Area Network) bus and K line communication

The invention relates to a tire pressure monitoring and alarming system based on a CAN (Controller Area Network) bus and K line communication, comprising a plurality of tire modules, an ECU (Electronic Control Unit) module and a meter display module, wherein the tire modules are installed in the tire; the tire modules and the ECU module are in radio frequency communication connection by a radio transmission circuit and a radio receiving circuit; and the tire modules and the meter display module are connected via a CAN bus unit and a K line interface unit by the CAN interface unit and the K line interface unit. The tire pressure monitoring and alarming system based on the CAN bus and the K line communication adopts a direct tire pressure monitoring mode, combines the design of the CAN and the K line design, satisfies the finished automobile wiring requirement in the practical application of TPMS (Tire Pressure Monitor System), is integrated with the finished automobile bus, and realizes the systematization and the intellectualization of the TPMS.
Owner:LAUNCH SOFTWARE DEV

Brush carrier plate for automobile radiator fan motor

The invention discloses a brush carrier plate for an automobile radiator fan motor. The brush carrier plate comprises an insulation brush carrier plate body and an electric conduction connecting plate, wherein four brush box mounting holes are uniformly distributed in the circumference of the brush carrier plate body; the connecting plate is plastically packaged in the brush carrier plate body, and comprises a first electric conduction section, a second electric conduction section, a third electric conduction section and a fourth electric conduction section which are used for correspondingly and electrically connected with brushes on the brush carrier plate body one to one, wherein the first electric conduction section and the second electric conduction section are connected with each other end to end, the third electric conduction section and the first electric conduction section are connected with each other end to end, and the fourth electric conduction section and the second electric conduction section are connected with each other end to end; and the tail end connection section of the first electric conduction section and the second electric conduction section, the tail end connection section of the third electric conduction section and the first electric conduction section, the tail end connection section of the second electric conduction section and the fourth electric conduction section and the head end connection section of the first electric conduction section and the second electric conduction section are all exposed out of the brush carrier plate body. The brush carrier plate has strong universality, not only is suitable for different variable-speed motors to use, but also is reasonable in internal wiring, and has a compact motor structure.
Owner:JIANGSU LANGXIN ELECTRIC

Cable laying device for electric power engineering construction and using method

The invention relates to a cable laying device for electric power engineering construction and a using method. The device comprises a bottom plate and a supporting column; the supporting column is fixedly connected to the center of the upper surface of the bottom plate; the end, away from the bottom plate, of the supporting column is fixedly connected with a wiring assembly used for conveying a cable; the wiring assembly comprises a wiring frame, a driving wheel, a driven wheel and a rotating motor; the lower surface of the wiring frame is fixedly connected with the supporting column; the driving wheel and the driven wheel are positioned in the wiring frame; the rotating axis of the driving wheel and the rotating axis of the driven wheel are perpendicular to the lower surface of the wiringframe; a rotating shaft of the driving wheel penetrates through the side wall of the wiring frame and is rotationally connected with the wiring frame; the rotating motor is fixedly connected to the upper surface of the wiring frame; and an output shaft of the rotating motor is fixedly connected with the rotating shaft of the driving wheel; a rotating shaft of the driven wheel penetrates through the wiring frame and is rotatably connected with the wiring frame; and a gap used for containing the cable is formed between the driving wheel and the driven wheel.
Owner:河北荣威电力工程有限公司

Highway-railway combined construction steel web member double-combination continuous trussed beam and construction method thereof

The invention provides a highway-railway combined construction steel web member double-combination continuous trussed beam. The highway-railway combined construction steel web member double-combination continuous trussed beam comprises an upper-layer highway concrete bridge deck slab, a lower-layer railway concrete bridge deck slab and steel web members. Upper-layer highway concrete longitudinal beams are arranged on the two sides of the upper-layer highway concrete bridge deck slab in the transverse direction of a bridge, lower-layer railway concrete longitudinal beams are arranged on the twosides of the lower-layer railway concrete bridge deck slab in the transverse direction of the bridge, and the upper ends and the lower ends of the steel web members are connected with the upper-layerhighway concrete longitudinal beams and the lower-layer railway concrete longitudinal beams on the same side through gusset plates. In addition, the invention further provides a construction method of the bridge. According to the highway-railway combined construction steel web member double-combination continuous trussed beam, a double-combination structural form that the steel web members are combined with the upper-layer bridge deck and the lower-layer bridge deck is adopted; the bridge is clear in stress, high in rigidity, high in integrity, small in maintenance workload, good in economical efficiency, capable of optimizing structural stress and engineering design, capable of being widely applied to highway-railway combined construction bridges of high-speed railways, attractive in structure and high in competitiveness, and the material performance of steel and concrete is fully utilized.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Substrate structure and manufacturing method therefor

Disclosed are a substrate structure and a manufacturing method therefor. The substrate structure comprises a metal substrate, a first connecting layer, a metal core layer, a second connecting layer, an inner connecting assembly and a dielectric material layer, wherein the first connecting layer is arranged on one surface of the metal substrate; the metal core layer is arranged on one surface of the first connecting layer, and has an opening; the second connecting layer is arranged on a partial surface of the metal substrate and positioned in the opening; the inner connecting assembly is arranged on one surface of the second connecting layer and positioned in the opening, and comprises multiple electrode cushions; and the dielectric material layer is arranged on the surface of the metal substrate and used for partially packaging the first connecting layer, the metal core layer, the second connecting layer and the inner connecting assembly. The metal core layer is electrically connectedwith one of the electrode cushions through the metal substrate, the first connecting layer and the second connecting layer.
Owner:PHOENIX PIONEER TECH

Special three-phase three-pole amorphous alloy transformer for solar power generation

The invention discloses a special three-phase three-pole amorphous alloy transformer for solar power generation, belonging to the technical field of design and manufacturing of a transformer. Amorphous alloy is adopted as an iron core to prepare the amorphous alloy distribution transformer. No-load losses of the transformer can be reduced effectively, and the efficiency of solar power generation can be improved. A three-phase three-pole structure is adopted by the iron core, the iron core can be connected with a Dyn11 group, and wiring requirements of Yyn0 can be satisfied. A three-phase split winding structure is adopted by an internal winding and the internal winding comprises a high-voltage winding and two split low-voltage windings, the short-circuit current of a network can be limited effectively, and the investment cost and coverage of construction can be reduced. The transformer can be widely applied in distributed power generation, particularly solar power generation.
Owner:JIANGSU HONGAN TRANSFORMER

Super-miniature LTCC low-pass filter

The present invention discloses a super-miniature LTCC (Low Temperature Co-fired Ceramic) low-pass filter. The super-miniature LTCC low-pass filter employs a stacked structure to achieve the minimum Balun structure in the industry. The super-miniature LTCC low-pass filter employs a LTCC process to put a circuit into a ceramic body so as to meet a more precise circuit wiring requirement. The internal circuits of the LTCC low-pass filter are distributed in a stacked mode, the size is small, and the electrical performance is good. The LTCC low-pass filter is good in performance, is small than 0.5dB in the in-band insertion loss, is 2.025GHz in inhibition frequency and is 25dB in the out-of-band rejection.
Owner:SHENZHEN MICROGATE TECH

High thermal conductivity package substrate and preparation method thereof

A high thermal conductivity package substrate and a preparation method thereof are disclosed. The preparation method includes the steps of: electroplating a copper substrate with a metal protective layer; addition-electroplating the copper substrate with a first line layer; forming a first conductive copper post and a first heat-dissipating copper post on the first line layer, and electroplating the first conductive copper post and the first heat-dissipating copper post; pressing a first insulating layer on the first line layer and performing grinding; forming a second line layer on the firstinsulating layer; forming a second conductive copper post and a second heat dissipating copper post on the second line layer, and pressing a second insulating layer on the second line layer and performing grinding; forming a third line layer on the second insulating layer; and etching the copper substrate. The heat-dissipating copper posts can allow a simple heat conductive path, and the heat dissipating effect is improved; the preparation process is simple, the cost is low, the prepared high thermal conductivity package substrate is stable in size, the conductive path is simple, and the heatdissipating performance is excellent.
Owner:NINGBO HUAYUAN ELECTRONICS TECH

Phase change method of insulating tube buses

ActiveCN103560401AGuaranteed layout propertiesMeet the wiring requirementsBus-bar/wiring layoutsCarrying capacityTransformer
The invention relates to a phase change method of insulating tube buses. The phase change method of the insulating tube buses comprises the steps that (1) a run layout plan of the insulating tube buses to be laid is made according to the layout of a main transformer and inflatable switch cabinets, and (2) according to electric connection situations, a phase change design is carried out in a space range meeting phase change requirements, wherein phase change design is carried out in a space not less than 80cm above three-phase insulating tube buses A, B and C, and the sideward three-phase insulating tube buses A and C are selected from the three-phase insulating tube buses A, B and C to carry out phase change. The phase change method of the insulating tube buses meets the wiring requirements when two rows of the inflatable switch cabinets are arranged face to face, due to the fact that the insulating tube buses are bent at an angle in a specific range, it is ensured that the carrying capacity, heating and deformation of the insulating tube buses are in a reasonable range, and normal use of the insulating tube buses is not affected.
Owner:STATE GRID CORP OF CHINA +1

Ultra-miniature multilayer chip balun

The invention discloses an ultra-miniature multilayer chip balun, wherein an internal circuit layer comprises first to seventh circuit layers; the first circuit layer comprises four mutually insulated conductive metal sheets which are electrically connected with a bonding pad respectively; the second circuit layer comprises two mutually insulated flaky metal sheets; the third circuit layer comprises two mutually insulated flaky metal sheets; the flaky metal sheets in the second layer are arranged corresponding to the insulated metal sheets in the third layer so as to form two capacitors; the flaky metal sheets in the second layer and the flaky metal sheets in the third layer are electrically connected with the bonding pad respectively through a conducting post; the fourth to seventh circuit layers comprise two mutually insulated dual rectangular-shaped metal sheets respectively; the metal sheets in the fourth to seventh layers are connected end to end respectively in sequence through the conducting post to form two inductors; ends of the dual rectangular-shaped metal sheets in two inductors are electrically connected with the bonding pad respectively.
Owner:SHENZHEN MICROGATE TECH

Chip DRAM (dynamic random access memory) pad arrangement structure for improving encapsulation compatibility

The invention discloses a chip DRAM (dynamic random access memory) pad arrangement structure for improving encapsulation compatibility. The DRAM pads of a chip include a plurality of first pads, a plurality of second pads and a plurality of third pads; the plurality of first pads are arranged at intervals so as to form an inner-row pad group; the plurality of second pads are arranged at intervals so as to form a middle-row pad group; the plurality of third pads are arranged at intervals so as to form an outer-row pad group; the inner-row pad group is located between the center of the chip and the middle-row pad group; the middle-row pad group is located between the inner-row pad group and the outer-row pad group; and the outer-row pad group is located between the middle-row pad group and the boundary of the chip. The chip DRAM pad arrangement structure for improving encapsulation compatibility has the advantages of strong compatibility and no need for encapsulation cost increase, and can satisfy wire bonding requirements of frame-class encapsulation such as WB BGA encapsulation and eLQFP encapsulation.
Owner:ALLWINNER TECH CO LTD

Vertical interconnection design method for special-shaped cavity fuzz button assembly and tile type transmitting-receiving assembly

The invention relates to a vertical interconnection design method for a special-shaped cavity fuzz button assembly and a tile type transmitting-receiving assembly, which can be applied to the design field of a two-dimensional active phased array radar transmitting-receiving assembly or a transmitting-receiving sub-array. In the design, a three-layer circuit substrate laminated structure is adopted to realize tile-type multi-channel transceiving assembly integration, and the tile-type multi-channel transceiving assembly has the characteristics of modularization, splicing, conformality, easiness in maintenance, low cost and the like, and is easier to integrate a system array. The vertical interconnection of multi-path radio frequency microwave signals and multi-path power supply signals between layers is realized by adopting the special-shaped cavity fuzz button assembly, the vertical interconnection of multiple power supplies and control signals between layers is realized by respectively adopting the multi-core fuzz button connector and the multi-core mixed fuzz button connector, welding is not needed, the signal transmission is stable and reliable, the connection mode is flexible and convenient, and the expandability is strong.
Owner:CNGC INST NO 206 OF CHINA ARMS IND GRP

Bus bridge and bus phase modulation method

The invention provides a bus bridge and a bus phase modulation method, which can correspondingly connect three phases of buses of a switch cabinet so as to solve the problem of phase sequence non-correspondence when the switch cabinet is arranged in a face-to-face manner in the prior art. The bus bridge comprises a bridge shell, two sets of supporting bodies used for dividing a three-phase bus into two layers are arranged in the bridge shell, and the supporting bodies are used for supporting the bus connected between two switch cabinets. Each group of supporting bodies comprises supporting body matrixes arranged side by side, at least one of the supporting bodies of each supporting body matrix can form a phase modulation supporting body, and the phase modulation supporting body is used for enabling a bus to jump to other supporting body matrixes so as to realize adjustment of the trend of the bus; and the phase modulation supporting bodies in each supporting body matrix are staggered in the wiring direction.
Owner:HENAN SENYUAN ELECTRIC CO LTD

A server integrated delivery power cord tracing mechanism

PendingCN109193500AReduce the difficulty of routingShorten the trace distanceElectrical apparatusEnergy efficient computingEngineeringIdentifiability
The invention discloses a server integrated delivery power cable tracing and retracting mechanism, including PDU row insertion, a server, a cable that connects the PDU row plug to the server, the PDUrow insertion includes a PDU housing, Crown clip, plug base and model base, a copper bar and a ground wire are arranged in the PDU shell, a rear end of that crown clip is connected with a copper bar and a ground wire, at that front end of the crown clamp, the crown clamp is connected with the plug base through a wire, at both end of that PDU housing, a long hole is arranged on that connecting plate, Crown clamp and plug base are connected with that first connecting plate, the model base is connected with the first connecting plate, the cable is tied through a harness belt, the horizontal position of the server is consistent with the position of the correspond serial number inserted into the PDU row, the tracing is beautiful, the redundant cable is operated, and the aesthetics and the identifiability of the cable in the cabinet are ensured.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Wire-length computing system and method in main-board wiring

The system includes a computer and a database. The computer includes following modules: setting module in use for setting up packages; a segment definition module in use for selecting package as starting point package, end point package according to segment rule as well as defining starting point and end point for each segment; a net selection module for selecting a net to be calculated; a calculation module for calculating length of each segment and total length of net; a module for prompting calculation error if the said lengths are not accorded with defined specific lengths, or if a segment is not met to definition, then error information is unable to calculate it; save module for saving segment rules and stores calculated lengths to database; a conversion module is in use for converting calculated lengths in database file formal to report file format. The system is capable of calculating wiring lengths of wires in computer main board, and result is led in report forms.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Voltage sag generation unit and voltage sag generator

The invention discloses a voltage sag generation unit. The voltage sag generation unit comprises a three-level PWM rectifier module, a bidirectional DC-DC conversion module and a three-level invertermodule; the bidirectional DC-DC conversion module comprises a first bidirectional DC-DC converter and a second bidirectional DC-DC converter, both of which are in the isolation type; the primary negative pole of the first bidirectional DC-DC converter is connected with the primary positive pole of the second bidirectional DC-DC converter, so that a primary zero-level end of the bidirectional DC-DCconversion module is formed; the accessory negative pole of the first bidirectional DC-DC converter is connected with the accessory positive pole of the second bidirectional DC-DC converter, so thatan accessory neutral point end of the bidirectional DC-DC conversion module is formed; the primary side of the bidirectional DC-DC conversion module is connected with the three-level PWM rectifier module; and the accessory side of the bidirectional DC-DC conversion module is connected with the three-level inverter module. The technical problems that the existing high-power voltage sag generator isheavy, huge in volume and fussy in single-phase voltage sag test can be solved. The invention further discloses a voltage sag generator.
Owner:GUANGDONG POWER GRID CO LTD +1

Butt joint type concrete pole with wire storage function

The invention discloses a butt joint type concrete pole with a wire storage function. The butt joint type concrete pole comprises a steel plate fixing ring for fixing a first pole section and a second pole section which are in butt joint. The surface of the steel plate fixing ring is coated with an anti-corrosion treatment layer, and an outer protection structure is arranged outside the anti-corrosion treatment layer. A fixing rod is arranged on the first pole section / second pole section. A wire storage box is movably installed on the fixing rod through a movable adjusting part. The fixing rod comprises a supporting plate. The supporting plate is provided with a row of stop grooves in the front-back direction. The movable adjusting part is provided with a stop tooth which is matched with the stop grooves and positioned on the supporting plate at the same time. The wire storage box comprises a box body internally provided with a wire winder. The wire winder comprises a rotary shaft and a wire reel rotationally connected to the rotary shaft. The first side wall of the box body is provided with a wire inlet. The second side wall of the box body is provided with a wire outlet. The butt joint type concrete pole has the advantages of a good anti-corrosion property, high strength, good waterproofness, long service life and good safety, and meanwhile a wire can be conveniently connected from the concrete pole.
Owner:STATE GRID ZHEJIANG PINGHU POWER SUPPLY +2

Scheduling workbench

The invention relates to a scheduling workbench, which comprises a station air conditioning system, a line management system and a cabinet, as well as a retractable station partition plate for internally mounting or externally hanging the station air conditioning system, and one or more driving devices capable of lifting or translating a tabletop and display equipment, wherein a plurality of high-capacity wire slots are perpendicularly and / or horizontally erected in the cabinet, and high-capacity wire slots are also formed in the bottom of the cabinet; a front door of the cabinet is provided with a replaceable buffer type skirting board. The scheduling workbench is in a frame structural form. Front and rear door sheets of the scheduling workbench are provided with radiation holes, so that natural ventilation for the radiation of equipment is facilitated. According to the scheduling workbench, the arrangement and management of a station air conditioner are simplified, and interference with other equipment of a console is avoided; the execution accuracy and working efficiency of operating personnel are improved, and the working strength is reduced; shoes of the operating personnel are protected from direct collision with hard objects, and abrasion to the cabinet which is pedaled for a long time is avoided; the wiring requirements and strong and weak current isolated-arrangement requirements of a complex system are met.
Owner:DATUMSTRUCT SHANGHAI

A method for phase commutation of insulating pipe bus

The invention relates to a phase change method of insulating tube buses. The phase change method of the insulating tube buses comprises the steps that (1) a run layout plan of the insulating tube buses to be laid is made according to the layout of a main transformer and inflatable switch cabinets, and (2) according to electric connection situations, a phase change design is carried out in a space range meeting phase change requirements, wherein phase change design is carried out in a space not less than 80cm above three-phase insulating tube buses A, B and C, and the sideward three-phase insulating tube buses A and C are selected from the three-phase insulating tube buses A, B and C to carry out phase change. The phase change method of the insulating tube buses meets the wiring requirements when two rows of the inflatable switch cabinets are arranged face to face, due to the fact that the insulating tube buses are bent at an angle in a specific range, it is ensured that the carrying capacity, heating and deformation of the insulating tube buses are in a reasonable range, and normal use of the insulating tube buses is not affected.
Owner:STATE GRID CORP OF CHINA +1

Soft and rigid combination plate and mobile terminal

The invention provides a soft and rigid combination plate and a mobile terminal. The soft and rigid combination plate comprises a first flexible substrate layer, a first copper foil layer, a rigid layer and a second copper foil layer, wherein the first copper foil layer is laminated on the first flexible substrate layer; the first copper foil layer comprises a reinforcing region and a connection region which is separated from the reinforcing region; the ridged layer covers the reinforcing region; the second copper foil layer is laminated on the connection region; and the second copper foil layer extends along the direction far away from the rigid layer. According to the soft and rigid combination plate and the mobile terminal, provided by the invention, the first copper foil layer comprises the reinforcing region and the connection region, and the reinforcing region and the connection region are connected with the rigid layer and the second copper foil layer respectively. With the adoption of the manner, the second copper foil layer is laminated on the connection region of the first copper foil layer, so that the first copper foil layer and the second copper foil layer can be subjected to wire arrangement, and furthermore, a wire arrangement space of a soft plate part of the soft and rigid combination plate can be increased and wire arrangement requirements on different electronic components by the soft and rigid combination plate are met.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Connector with wire and emergency power supply box with same

The invention discloses a connector with a wire and an emergency power supply box with the same. The connector is arranged on the outlet end of the emergency power supply box. The connector comprisesa conductive portion and a fixed portion. The fixed portion is fixed on the outlet end of the emergency power supply box. The fixed portion extends to one end away from the emergency power supply boxto form a connecting portion. The outer wall of the connecting portion is provided with a screwing portion screwed to a corrugated hose. One end of the conductive portion runs through the fixed portion and extends out of the fixed portion to be electrically connected with the control board of the emergency power supply box. The other end of the conductive portion extends out of the connecting portion to be connected with an electrical appliance. The portion, which extends out of the connecting portion, of the conductive portion is covered by soft rubber. According to the emergency power supplybox provided by the invention, due to the outer soft rubber of the wire and the screwing portion of the connecting portion, the emergency power supply box can meet the wiring requirement of China, and can be screwed to the corrugated hose to meet the wiring requirement of the United States; and the risk of job production is avoided.
Owner:SHENZHEN BILLDA TECH CO LTD
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