239 results about "Conductive rubber" patented technology

A lower plunger of a pogo pin according to the present disclosure includes a metal pin and an electro-conductive rubber, and the electro-conductive rubber having a configuration in which a plurality of electro-conductive particles are contained in an elastic insulating material is attached to a lower end of the metal pin to increase a contact area between the lower plunger and a pad of a test board through a surface contact, thereby preventing the occurrence of inductive spikes and thus improving signal quality in a high-speed signal transmission environment.

The long-acting conductive box type sealing ring comprises an outer framework, an inner framework and conductive rubber, the conductive rubber is installed on the outer side face of the outer framework, and the upper side face of the outer framework is used for being in interference fit with a tooth opening of a bearing outer ring; the conductive rubber comprises a main lip, the main lip comprises a lip waist part and a lip tip part, the lip waist part is wider than the lip tip part, the section of the main lip is conical, the lip tip part abuts against the upper side face of the inner framework, and the lower side face of the inner framework is used for being in interference fit with an inner ring of the bearing. According to the long-acting conductive box type sealing ring provided by the utility model, the box type sealing ring has a long-acting conductive function, and electric corrosion in a bearing is effectively avoided.

The invention provides multi-structure-layer flaky silver-coated aluminum powder, a preparation method of the multi-structure-layer flaky silver-coated aluminum powder and a conductive rubber material. The multi-structure-layer flaky silver-coated aluminum powder comprises flaky aluminum powder, a silicon dioxide layer and a silver layer, the silicon dioxide layer is coated on the surface of the flaky aluminum powder, and the silver layer is coated on the surface of the silicon dioxide layer. According to the multi-structure-layer flaky silver-coated aluminum powder, the preparation method thereof and the conductive rubber material, the multi-layer composite structure design of aluminum core-silicon dioxide layer-silver layer is adopted, the problems that aluminum powder is poor in stability and silver is prone to migration are solved, and the multi-structure-layer flaky silver-coated aluminum powder has the advantages of being low in cost and resistant to shearing; therefore, the novel white conductive filler with high performance, high stability and high applicability is obtained.

The invention discloses anti-shrinkage directional conductive supercritical foaming rubber and a preparation method thereof, and relates to the technical field of conductive rubber foam, raw materials comprise a rubber matrix, a modified fiber forming polymer and an auxiliary agent system, and the modified fiber forming polymer is prepared from a fiber forming polymer and a conductive filler. The preparation method comprises the following steps: extruding and granulating the fiber-forming polymer and the conductive filler to obtain modified granules, blending the modified fiber-forming polymer granules and the rubber matrix, carrying out extrusion and traction processes to obtain an in-situ fiber-forming modified rubber material, carrying out directional open milling, adding an auxiliary agent system, carrying out vulcanization molding, and foaming in a supercritical fluid to obtain the rubber foam material. The directional conductive fiber is constructed in the rubber matrix in situ, the rubber foaming material with directional conductivity and shrinkage resistance is prepared, the conductive efficiency is high, the problem that a rubber supercritical foaming material is prone to shrinkage is solved, and the rubber foaming material has the characteristics of heat insulation, light weight, high strength and the like and can be used for buffering and damping, heat insulation, electromagnetic shielding, flexible sensing and other scenes.

This invention proposes a multi-layered, sheet-like silver-coated aluminum powder, its preparation method, and a conductive rubber material. The multi-layered, sheet-like silver-coated aluminum powder comprises: sheet-like aluminum powder, a silica layer, and a silver layer; the silica layer coats the surface of the sheet-like aluminum powder, and the silver layer coats the surface of the silica layer. This invention, employing a multi-layered composite structure design of "aluminum core-silica layer-silver layer," solves the problems of poor aluminum powder stability and easy silver migration, and possesses advantages such as low cost and shear resistance, thus obtaining a novel white conductive filler with high performance, high stability, and high applicability.

The utility model discloses an optical module circuit board device with good anti-interference and heat-conducting properties, which comprises a circuit board body, an anti-interference cover is adhered to the top of the circuit board body, a heat-conducting wear-resistant cover is movably arranged at the position, close to the edge, of the top of the anti-interference cover, and supporting frames are movably and symmetrically arranged at the two ends of the bottom of the circuit board body. The anti-interference cover comprises an outer copper-clad plate layer, a nickel-zinc ferrite layer, a conductive rubber layer, a metal micro-powder wave-absorbing material layer and an inner copper-clad plate layer which are sequentially arranged from outside to inside, and the heat-conducting wear-resistant cover comprises a metal substrate, a ceramic substrate, a heat-conducting silica gel layer and a polymer insulating substrate which are sequentially arranged from outside to inside. According to the utility model, the anti-interference cover adhered to the top adopts a multi-layer structure, and the outer copper-clad plate layer, the nickel-zinc ferrite layer, the conductive rubber layer, the metal micro-powder wave-absorbing material layer and the inner copper-clad plate layer are sequentially arranged from outside to inside, so that external electromagnetic interference can be shielded and absorbed in all directions through the design.

The application discloses a kind of low resistance low inductance high reliable electrode connecting structure for high voltage Pockels cell, belongs to Pockels cell electrode connecting technical field, solve the existing Pockels cell electrode connecting structure connection reliability problem, electric contact medium performance is not good;Including anti-drop insulating sleeve, pin, input electrode, metal hair button, shell and crystal;The top of pin is equipped with anti-drop insulating sleeve, the bottom of pin is connected with input electrode, input electrode is installed in the mounting hole of shell, the inside of shell is provided with crystal, and the outer side surface of both ends of crystal is provided with gold plating layer;Metal hair button at the bottom of input electrode is pressed on gold plating layer.In the application, pin and input electrode are inserted into position and wrapped by anti-drop insulating sleeve, input electrode is not exposed, and the personal safety hazard of high-voltage electric shock is fundamentally eliminated;Metal hair button is used instead of conductive rubber, to ensure that the contact pressure with crystal electrode is constant, and the anti-vibration and anti-impact performance is strong.

The utility model discloses a conductive rubber roller surface treatment device for a printer, and relates to the field of printer production, the conductive rubber roller surface treatment device comprises a spraying cleaning cabin, a drying cabin is arranged on one side of the spraying cleaning cabin, a supporting frame is arranged on a spraying inclined cabin and the drying cabin, and the supporting frame penetrates through the spraying cleaning cabin and the drying cabin; a rapid feeding mechanism is arranged on the supporting frame, and a discharging mechanism is arranged at one end of the supporting frame. A plurality of rubber rollers are placed in the rapid feeding mechanism on the supporting frame, then the rapid feeding mechanism is used for driving the rubber rollers to move on the supporting frame in sequence, the rubber rollers pass through the spraying inclined cabin and the drying cabin in sequence, the discharging mechanism collects the processed rubber rollers, and the rubber rollers are dried through the drying cabin. Therefore, the trouble that cleaning personnel need to place and fix the rubber rollers one by one can be reduced, meanwhile, the discharging operation time of processing personnel can be buffered, and the possibility that the rubber rollers fall off due to untimely discharging is reduced.

A garment includes an outer shell, first and second electrode snaps located on an outer surface of the outer shell, first and second conductive rubber electrodes located inside the outer shell, a first conductive fabric strip connected to the first electrode snap and the first conductive rubber electrode, and a second conductive fabric strip connected to the second electrode snap and the second conductive rubber electrode.

To provide a projected capacitive touch panel button structure disposed on a touch screen.SOLUTION: A projected capacitive touch panel button structure comprises: a button body 20 disposed on a touch screen; a touch capacitive sheet 10 disposed on the touch screen and located inside the button body 20; a conductive rubber 30 disposed in the button body 20 and including a contact portion 31 that can come into contact with the touch capacitive sheet 10; and a button cap 40 including a connecting body 41 disposed above the conductive rubber 30 and a cover body 42 protruding outward from the button body 20. When the button cap 40 is pressed, the contact portion 31 comes into contact with the touch capacitive sheet 10, and the conductive rubber 30 and the touch capacitive sheet 10 become conductive, causing the touch screen A to generate an input signal.SELECTED DRAWING: Figure 2

To provide a steel rack that is easy to structure and can reliably prevent static electricity. [Solution] In the electrostatic dissipative steel rack, shelf support members 4 are hung in pitch grooves, and a strip of conductive rubber 13 is installed on the load-receiving portion 9 of the shelf support member 4. The shelf board 6 and shelf support member 4 have a primer layer that serves as an insulating layer applied to the base iron plate, and a conductive paint applied to the outermost surface. The conductive rubber 13 ensures that the shelf support member 4 and the shelf board 6 are in even contact, providing stable electrostatic dissipation without variation.

The invention belongs to the technical field of electromagnetic radiation leakage, and particularly relates to a low-leakage handheld terminal. According to the method, efficient electromagnetic shielding is achieved in a Faraday cage structure mode through lap joint of all parts, the surface of a resistance screen is covered with an irregular metal net, and the space between the irregular metal net and a front cover is filled with an aluminum silver-plated conductive rubber plate used for cushioning and extrusion to achieve electric continuity between the irregular metal net and the front cover. The front cover, the middle frame and the rear cover are electrically continuous through opposite-penetrating screws, and copper foils are filled among contact surfaces of the middle frame, the rear cover and the front cover to enhance conductivity, so that the whole handheld terminal structure is in an electrically continuous state. The broadband electromagnetic shielding material has the beneficial effects that the electromagnetic shielding performance is remarkably improved, broadband effective protection is realized, the problem that the frequency band of a traditional electromagnetic shielding material is narrow is effectively solved, the shielding effectiveness of 40-50dB is realized in the broadband range of 30MHz to 1GHz, and the information safety level of equipment in an electromagnetic sensitive environment is remarkably improved.

The utility model relates to a conductive rubber strip splitting machine, comprising a bearing assembly comprising a pedestal, a bearing frame and a linear module; the pressing assembly is fixedly mounted on one side in the bearing assembly; the pressing assembly comprises a first support, a first vertical plate, a first lifting air cylinder, a first pressing head and a first photoelectric sensor. The slitting assembly is movably mounted on the other side of the interior of the bearing assembly; the slitting assembly comprises a second support, a second vertical plate, a second lifting air cylinder, a second pressing head, a slitting knife and a second photoelectric sensor. The conductive rubber strip splitting machine is simple in structure and convenient to use, one side of the slitting knife is connected with the second pressing head, the cutting area of the conductive rubber strip can be fixed through pressing of the second pressing head, the deformation range of the conductive rubber strip under the action of shearing force is limited, and therefore the flatness of the cutting edge is guaranteed, and the appearance quality and the performance quality of the conductive rubber strip are guaranteed.

The invention discloses an automobile electric door and window switch automatic assembling and detecting production line which comprises a rack, an annular conveying line arranged on the rack and a tool arranged on the annular conveying line. The outer shell oiling device, the outer shell feeding and oiling detection device, the inner shell feeding and assembling device, the inner shell assembling turnover device, the button feeding and press-fitting device, the switch assembly assembling device and the index plate detection device surround the periphery of the annular conveying line. The base assembly assembling module comprises a base labeling device, a base dust removing device, an automatic conductive rubber installing device, a conductive rubber correcting device and a height detecting device, and an automatic rechecking GP-12 device is arranged behind the dividing plate detecting device. According to the device, the functions of automatic labeling, code scanning and printing, automatic dust removal, automatic waterproof conductive rubber installation, automatic auxiliary conductive rubber calibration, waterproof conductive rubber height detection and automatic GP-12 reinspection can be achieved, operation is convenient, the labor cost is saved, and the working efficiency is improved.

The utility model belongs to the field of cases, and particularly relates to an anti-electromagnetic interference case structure which comprises a rectangular case formed by assembling six metal panels. Embedding grooves I are formed in the upper sides and the lower sides of the front panel, the left side plate, the rear panel and the right side plate, the four embedding grooves I are combined to form a rectangular ring groove, an annular conductive rubber strip is arranged in the rectangular ring groove, and the top plate and the bottom plate abut against the annular conductive rubber strip after being assembled; embedded grooves II are formed in the connecting structures between every two of the front panel, the left side plate, the rear panel and the right side plate, and strip-shaped conductive rubber strips are arranged in the embedded grooves II. According to the anti-electromagnetic interference case structure provided by the utility model, the six panels are made of metal materials, and the annular conductive rubber strips and the strip-shaped conductive rubber strips are arranged at the joints of the six panels, so that a rectangular case formed by the six panels forms a complete and closed electromagnetic shielding layer, and the anti-electromagnetic interference case structure has an excellent electromagnetic shielding effect.

The invention provides a tread rubber forming method, which can form tread rubber with high precision from non-conductive and conductive rubber tapes. The tread rubber forming method includes: a first step (S1) in which a non-conductive layer is formed by winding a first rubber tape around a cylindrical body by a plurality of turns; a second step in which a conductive layer is formed by winding a second rubber tape on the cylindrical body parallel to the circumferential direction of the cylindrical body; and a third step (S3) in which the non-conductive layer is formed by winding the first rubber tape around the cylindrical body by a plurality of turns after the second step (S2). The first step (S1) and the third step (S3) include, in each of the plurality of turns: a circumferential winding step in which the first rubber tape is wound parallel to the circumferential direction of the cylindrical body by 3 / 4 or more turns to form a circumferential portion; and an inclined winding step for forming an inclined portion by inclining the first rubber tape with respect to the circumferential direction of the cylindrical body and winding the remaining portion.

The utility model discloses an aging-resistant conductive rubber tolerance strength testing device, which comprises a base and a plurality of testing mechanisms arranged on the base, the base is provided with the plurality of testing mechanisms, through the arrangement, a user can simultaneously carry out thermal aging tests on a plurality of rubber products in different temperature environments, the testing efficiency is effectively improved, and the testing cost is reduced. The testing mechanism is used for carrying out thermal aging testing on the rubber product; comprising a heat preservation shell fixed to the top end of a base, a support installed on the inner wall of the heat preservation shell, a rotating shaft rotationally installed on the support, placing frames fixed to the rotating shaft in an annular array mode, an electric heating wire fixed to the inner wall of the heat preservation shell and a high-speed fan fixed to the inner wall of the heat preservation shell. The connecting pipe is connected with the top and the bottom of an inner cavity of the heat preservation shell, the sealing door is installed on the heat preservation shell in a hinged mode, and the aging-resistant conductive rubber tolerance strength testing device has the advantages of being low in energy consumption and high in testing efficiency.

The utility model discloses a continuous detection heat conductivity coefficient determinator for heat conduction gum dipping canvas, which relates to the technical field of heat conductivity coefficient detection, and comprises a detection table, two symmetrically arranged placing assemblies are arranged at the top of the detection table, and pressing assemblies are arranged on the placing assemblies. A detection assembly is slidably arranged on the detection table through an adjusting assembly. After a single sample disc is measured, the lifting table is reset, the first handle is rotated, and the connecting rod is driven to move towards the detection table, so that the lengthening rod and the sliding block are driven to move in the movable groove, the lifting table on the guide rod is moved to the position above the left side placing assembly, and the sample disc to be detected is placed on the left side placing assembly; and the first step and the second step of detection are repeated, so that the next sample disc can be detected without waiting for natural cooling of the heat dissipation copper disc on the right placement assembly, and the detection efficiency is improved.

The invention relates to the technical field of wires and cables, and discloses an insulating superfine bare copper stranded wire and stranded wire terminal for a new energy automobile horn, which comprises a stranded wire main body, the stranded wire main body takes an enameled wire as a center, a stranded cotton silk thread is arranged on the outer side of the enameled wire, and a conductive rubber layer is arranged on the outer side of the stranded cotton silk thread. The nanocrystalline alloy belt is embedded in the conductive rubber layer and wraps the twisted cotton silk threads through the spiral winding technology, the annular elastic sheath is arranged on the outer side of the conductive rubber layer in a sleeving mode, and the outer coating layer is arranged on the outer side of the annular elastic sheath and the outer side of the conductive rubber layer in a sleeving mode. A miniature memory alloy spring is embedded in a gap between the annular elastic sheath and the outer coating layer, and one end of the stranded wire body is fixedly connected with a connector. According to the invention, through the combined action of multiple layers of structures such as the twisted cotton silk threads, the nanocrystalline alloy belt, the conductive rubber layer, the annular elastic sheath and the outer coating layer, stable audio signal transmission is realized, and long-term reliable operation under complex working conditions of an automobile is ensured.

The invention relates to the technical field of cable detection, in particular to a withstand voltage test device for detecting a cable, which comprises a pair of test tubes vertically arranged on an insulating support, the lower ends of the test tubes are provided with plugging rings, the plugging rings are provided with jacks for the cable to pass through, and the test tubes are further internally provided with conductive rubber sleeves and insulating sleeve tightening rings. The conductive rubber sleeve comprises an upper sleeve and a lower sleeve, a pressing face is formed between the inner wall of the upper sleeve and the inner wall of the lower sleeve, the inner diameter of the upper sleeve is matched with the outer diameter of the insulating layer, the inner diameter of the lower sleeve is matched with the outer diameter of the semi-conductive layer, and the insulating sleeve is tightly arranged on the lower sleeve in a surrounding mode. According to the invention, after the pressing surface and the end surface of the semi-conductive layer are tightly pressed, the lower sleeve is tightly sleeved by using the insulating sleeving ring, so that the levelness of a boundary is ensured, the risks of electric field concentration points and breakdown possibly caused by uneven ring cutting are avoided, meanwhile, a conical surface does not need to be processed on the cable terminal, and the manual workload is reduced.

1. Name of the product in this design: Automotive conductive rubber drag strip split connection device. 2. Purpose of this design: To serve as a connector for the electrostatic tape. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to an automobile switch structure, including base, the circuit board in base and the button of sliding in base, be equipped with LED lamp, conductive rubber and contact on the circuit board, the button includes the base of integrative moulding, light guide body and button face cover, be equipped with extension part on the base, button face cover integrative moulding is in the base, and cover is equipped with in the extension part outer periphery, light guide body integrative moulding is in the inner top wall of button face cover, and with LED lamp corresponding arrangement to cause the light of LED lamp to make button face cover on the bright character, the base is equipped with the through slot, and light guide body part is located in the through slot, button face cover is equipped with character and the light -transmitting mouth in corresponding light guide body position, and light guide body part is formed in the light -transmitting mouth. Adopt above -mentioned technical scheme, the utility model provides an automobile switch structure, button integral type injection moulding, reduce the number of mould, satisfy the surface of electroplating has two different color characters of back light and work indication simultaneously.

A direct insertion type ignition device of a dual-purpose furnace comprises an igniter, a high-voltage discharge needle and a grounding needle, the high-voltage discharge needle and the grounding needle are arranged on a furnace body, the igniter comprises an igniter shell, the igniter shell is provided with a high-voltage interface and a grounding interface, the high-voltage interface is a high-voltage socket connected with the high-voltage discharge needle in an inserted mode, and the grounding interface is connected with the high-voltage discharge needle in an inserted mode. A voltage transformation coil is arranged in the igniter shell, the high-voltage end of the voltage transformation coil is electrically connected to a conductive insert at the high-voltage socket, the other end of the voltage transformation coil is electrically connected to a conductive piece in the grounding interface, and the high-voltage end is connected with the conductive insert through conductive rubber. A long wire of a conventional igniter is omitted, and the igniter is directly arranged on the furnace body; and the conductive rubber is adopted for connection, so that high temperature transferred by the high-voltage ignition needle is effectively blocked.

The utility model discloses a button signal identification circuit based on triode control, which relates to the field of button signal identification, and is characterized in that each button is associated with a voltage dividing unit through a corresponding triode, and the triode controls the corresponding voltage dividing unit to work according to the state of the button, so that when the button is pressed down, the voltage dividing unit can be adjusted according to the state of the button. The corresponding voltage dividing unit can generate and output a voltage signal corresponding to the key; that is to say, the key does not directly participate in the voltage division loop, but indirectly influences the voltage output in the circuit by controlling the conduction state of the triode, so that the state identification of the key does not depend on the contact impedance between the golden finger and the conductive rubber any more, and the condition that the key cannot be damaged even under the condition that the fluctuation of the contact impedance is large is ensured. And the circuit can accurately identify the key state without generating false triggering.

The present invention discloses a laser flatness detection device for the production of cap beam templates, which relates to the field of flatness detection technology and includes a base and a support seat. A fitting mechanism is provided at the bottom end of the connecting shell, and a conductive rubber is fixedly connected to the inner side of the fitting mechanism. A cap beam template is placed on the base below the conductive rubber, and an adjustment mechanism is fixedly connected to one end of the connecting shell. This detection method is not affected by the surface characteristics of the cap beam template, thereby improving the detection accuracy. At the same time, defects (such as voids, cracks, etc.) inside the cap beam template can also be detected, thereby facilitating the discovery of subtle hidden dangers that affect the performance of the cap beam template. At the same time, the provided fitting mechanism can promote the conductive rubber to fit tightly and firmly with the cap beam template, thereby effectively eliminating the contact gap, ensuring stable signal transmission during the measurement process, and greatly improving the accuracy of the potential difference measurement.

This utility model discloses a dust removal device for plastic film production, including a dust collection box. A drive box is fixedly connected to the rear of the dust collection box, and support plates are fixedly connected to both the left and right sides. A winding motor is fixedly connected to the dust collection box. Openings are provided on both the front and rear sides of the dust collection box, and sliding rods are fixedly connected to both openings. Sliding blocks are slidably connected to the sliding rods, and pressure rollers are rotatably connected between the two sliding blocks. Inlet and outlet ports are provided on both the left and right sides of the dust collection box, and guide rollers are rotatably connected to both inlet and outlet ports. A conductive rubber roller is rotatably connected to the center of the dust collection box, and an exhaust fan is fixedly connected to the bottom of the dust collection box below the conductive rubber roller. This utility model's dust removal device for plastic film production, through a specific structure, uses the conductive rubber roller as a dust collecting electrode to adsorb dust on the film, thereby completing the cleaning of dust on the film surface. Simultaneously, the exhaust fan removes dust from inside the dust collection box, improving the overall dust removal effect of the film.

The utility model relates to the technical field of rubber sealing materials, in particular to a conductive rubber strip sealed by a composite interlayer, which comprises a rubber strip body, and the rubber strip body comprises an outer layer, a middle layer and an inner layer which are sequentially arranged from outside to inside to form a three-layer gradient composite structure. Wherein the outer layer is an elastic sealing layer, the middle layer is a conductive enhancement layer, the inner layer is a protective layer, and all the layers are integrally connected through a co-extrusion molding process. Through the design of the three-layer gradient composite structure, the outer layer, the middle layer and the inner layer are respectively endowed with the functions of elastic sealing, conductive enhancement and buffer supporting, so that the conductive rubber strip can simultaneously meet the requirements of high-grade waterproof sealing and good conductive performance, and the problem that the traditional rubber strip is single in function is solved.

An audio kill switch provides a noiseless passive cessation of an audio signal. A printed circuit board is joined to an upper shell and has a plurality of interlaced three mil copper signal and ground traces from a center signal trace and outer grounding ring respectively, with three mil spaces between traces interlaced in a way to gradually shunt the signal to ground over several milliseconds when contact between them is made by the conductive rubber button. A target pad is arranged on the center of the printed circuit board. An outer shell is surrounding the printed circuit board. A conductive rubber button is joined to a spring. A nylon outer sleeve is arranged against the conductive rubber button. A spring-loaded connector is arranged against the target pad and joined to a rubber sleeve.

A piezoelectric composite intelligent polarization device, characterized by comprising a polarization device and a detection device. The polarization device comprises a base unit, a cover unit, and a pressure block, wherein the base unit comprises a printed circuit board, a conductive rubber strip, and a conductive rubber strip fixing structure; the cover unit comprises a cover plate, a spiral fine-tuning unit, a vacuum pumping unit, a resistive heating film, and a thin-film temperature sensor; and the detection device comprises a microprocessor, a signal amplification unit, a thyristor switching unit, a high-voltage amplification unit, an acquisition card slot, and a digital display. This invention has a simple structure and high assembly precision, and is suitable for polarizing piezoelectric composite materials of various sizes. It also performs intelligent detection of the assembly and polarization of piezoelectric composite materials, making the polarization process more intelligent and digital.

The embodiment of the utility model discloses an electric connection structure and a circuit assembly, the electric connection structure comprises a support body and a conductive adhesive block, the conductive adhesive block is arranged on the support body and has a first side and a second side which are oppositely arranged, the first side is provided with a plurality of first connection protrusions used for contacting with first electric contact points of a first circuit block, and the second side is provided with a second connection protrusion used for contacting with second electric contact points of a second circuit block. The second side is provided with a plurality of second connecting protrusions used for being in contact with second electric contact points of the second circuit block, and therefore electric connection between the first circuit block and the second circuit block can be achieved. The electric connection structure provided by the embodiment of the utility model adopts the conductive rubber block as a conductive part, thereby facilitating the reduction of the size of the electric connection structure, the reduction of the overall height of the circuit assembly and the reduction of the occupation of the electric connection structure on the surface space of the circuit block, thereby facilitating the reduction of the overall size of the circuit assembly. Meanwhile, the signal transmission path is shortened, and the signal integrity can be improved.