CN116864945A - Microstrip isolator circulator component with shielding card - Google Patents
Microstrip isolator circulator component with shielding card Download PDFInfo
- Publication number
- CN116864945A CN116864945A CN202311048080.3A CN202311048080A CN116864945A CN 116864945 A CN116864945 A CN 116864945A CN 202311048080 A CN202311048080 A CN 202311048080A CN 116864945 A CN116864945 A CN 116864945A
- Authority
- CN
- China
- Prior art keywords
- shielding card
- card
- isolator
- circuit
- circulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 208000026817 47,XYY syndrome Diseases 0.000 claims abstract description 29
- 239000010409 thin film Substances 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 26
- 239000010408 film Substances 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 13
- 229910052709 silver Inorganic materials 0.000 claims description 13
- 239000004332 silver Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910000679 solder Inorganic materials 0.000 claims description 10
- 229920006335 epoxy glue Polymers 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 8
- 239000011358 absorbing material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920006332 epoxy adhesive Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/387—Strip line circulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0056—Casings specially adapted for microwave applications
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Reversible Transmitting Devices (AREA)
Abstract
The invention discloses a microstrip isolator circulator component with a shielding card, which relates to the technical field of isolator circulators. The invention relates to a microstrip isolator circulator component with a shielding card, which is cascaded through a double-Y junction circulator circuit and a double-Y junction isolator circuit, and a matching block is added to adjust the matching between the two junctions so as to achieve excellent isolation; and then the shielding card is adhered above the magnetic field, and the upper shielding card and the lower shielding card of the product are tightly clamped and combined to form an effective grounding and magnetic loop, so that the problems of mutual influence of the products and cavity resonance are solved.
Description
Technical Field
The invention relates to the technical field of isolator circulators, in particular to a microstrip isolator circulator component with a shielding card.
Background
Along with the rapid development of microwave communication technology in recent years, the microstrip isolator, the circulator and the components thereof have great application requirements in the microwave system for realizing the stable system operation and preventing external interference, and the microstrip isolator circulator component with the shielding card has the magnetic shielding function, a certain anti-interference capability, can effectively eliminate resonance and is easy to install, thus being an important development direction of the isolator circulator industry in China and the world in recent years.
When the traditional microstrip isolator circulator is assembled into a TR component, a plurality of channel arrays are often existed, and because circuits and magnetic fields of the isolator circulator are exposed, the isolator circulators with shielding cards with magnetic shielding effects are arranged side by side to be mutually influenced, so that the situations can be effectively avoided, most components are compact in size, the cavity walls and the cover plates of the isolator circulator are closer to the isolator circulator, the conventional shielding cards are not grounded, a magnetic loop cannot be effectively formed, certain electromagnetic leakage exists, the isolator circulator is easy to generate cavity resonance phenomenon after the isolator circulator is assembled into the component, a large amount of wave absorbing materials are often required to be filled above the cavity cover plates when the resonance phenomenon occurs, and a space is reserved for placing the wave absorbing materials in advance in the aspect of cavity design, so that the improvement of the assembly efficiency of the user is not facilitated, and the phenomena are considered to be more improved for the traditional microstrip isolator component design and production technology.
The microstrip isolator circulator component with the shielding card has the structure that the shielding card is adhered above a magnetic field, and the upper shielding card and the lower shielding card are tightly combined to form an effective grounding and magnetic loop, so that the microstrip isolator circulator component has a good magnetic shielding effect, can effectively prevent the mutual influence of the product array during installation, can reduce electromagnetic leakage of the product, improve the cavity resonance problem, reduce the use of wave absorbing materials of users, can effectively improve the assembly efficiency of the users, reduce the input cost of the materials, and also meet the self-miniaturization requirement of the users.
Disclosure of Invention
The invention mainly aims to provide a microstrip isolator circulator component with a shielding card, which can effectively solve the problems that the conventional shielding card in the background art is not grounded, a magnetic loop cannot be effectively formed, and certain electromagnetic leakage exists, so that the isolator circulator is easy to generate cavity resonance phenomenon after being installed into the component, a large amount of wave-absorbing materials are often required to be filled above a cavity cover plate when the resonance phenomenon occurs, and a space is reserved for placing the wave-absorbing materials in advance in the aspect of cavity design, which is not beneficial to the improvement of the user assembly efficiency and the demand of miniaturization.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the invention discloses a microstrip isolator circulator component with a shielding card, which comprises a lower shielding card, wherein a film circuit substrate is arranged at the top end of the lower shielding card, a complete microstrip film circuit is prepared on the film circuit substrate through a film process, the microstrip film circuit is formed by cascading a double-Y junction circulator circuit and a double-Y junction isolator circuit, two dielectric sheets are arranged at the top end of the film circuit substrate, permanent magnets are respectively arranged at the top ends of the two dielectric sheets, and an upper shielding card is fixedly connected at the top ends of the two permanent magnets.
Preferably, the lower shielding card is made of punched industrial pure iron, the outer surface of the lower shielding card is plated with gold, the upper shielding card is made of punched DT4 industrial pure iron, and the outer surface of the upper shielding card is plated with nickel.
Preferably, solder is disposed between the lower shield card and the thin film circuit substrate, and the lower shield card and the thin film circuit substrate are soldered by the solder.
Preferably, one sides of the dielectric sheet and the permanent magnet are coated with temperature-resistant epoxy glue, and one sides of the dielectric sheet and the permanent magnet coated with the temperature-resistant epoxy glue are adhered to the thin film circuit substrate.
Preferably, a double-junction circulator circuit and a double-junction isolator circuit in the microstrip thin film circuit are cascaded, and a matching block is arranged between the double-Y-junction circulator circuit and the double-Y-junction isolator circuit and used for adjusting the matching degree between the double-Y-junction circulator circuit and the double-Y-junction isolator circuit.
Preferably, the double Y-junction isolator circuit adopts a thin film open-circuit load with high integration level.
Preferably, two opposite sides of the lower shielding card are bent upwards, two bending edges of the lower shielding card are respectively provided with a clamping groove, the width of each clamping groove is the same as the thickness of the upper shielding card, and the side surfaces of the clamping grooves of the lower shielding card are projected into a convex shape and a U shape; the two opposite sides of the upper shielding card are bent downwards, the width of the upper shielding card is larger than the diameter of the permanent magnet, and the side projection of the upper shielding card is in a shape of a 'convex' and a 'U'.
Preferably, the upper surface of the permanent magnet is smeared with glue solution, and one side of the upper shielding card is adhered with the upper surface of the permanent magnet through the glue solution.
Preferably, the upper shielding card is in fit connection with the clamping groove of the lower shielding card, conductive silver adhesive is arranged at the joint of the upper shielding card and the lower shielding card, the joint of the upper shielding card and the lower shielding card is adhered and solidified through the conductive silver adhesive, and the conductive silver adhesive is adhesive for realizing conductive connection of the adhered materials.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, a double Y-junction circulator circuit and a double Y-junction isolator circuit are adopted to be cascaded, the distance between the two junctions is compressed, and a matching block is added to adjust the matching between the two junctions so as to achieve excellent isolation, the load adopts a thin film open-circuit load, the circuits are highly integrated, the typesetting layout is compact and orderly, and the miniaturized design requirement is met; the double Y-junction optimizes the structure used by the prior isolator circulator component with the shielding cover in the industry, and improves the reliability of products by reinforcing the structures of the upper shielding card and the lower shielding card; the production efficiency of the tool is improved by a simple production and assembly process and a convenient tool; through bonding shielding card and upper and lower shielding chucking close combination of product in magnetic field top, form effective ground connection and magnetic circuit, solve the problem of the mutual influence of product and cavity resonance, improve the efficiency that the user assembled and use, reduce the user to the use of wave absorbing material to reach the optimization improvement to current production technology.
Drawings
FIG. 1 is a schematic diagram of a microstrip isolator circulator assembly with a shield card according to the present invention;
FIG. 2 is a cross-sectional view of a microstrip film substrate in a microstrip isolator circulator assembly with a shield card according to the present invention;
fig. 3 is a schematic diagram of an unclosed structure of upper and lower shield cards of a microstrip isolator circulator with a shield card in the invention;
fig. 4 is a schematic diagram of a section A-A of a microstrip isolator circulator assembly with a shielding card according to the present invention.
In the figure: 1. a lower shielding card; 2. an upper shielding card; 3. a thin film circuit substrate; 4. a microstrip thin film circuit; 5. a media sheet; 6. a permanent magnet; 7. temperature-resistant epoxy glue; 8. solder; 9. conductive silver adhesive; 10. the membrane is open-circuited.
Description of the embodiments
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, in a first embodiment:
the utility model provides a microstrip isolator circulator subassembly of area shielding card, including shielding card 1 down, the top of shielding card 1 is provided with film circuit substrate 3 down, film circuit substrate 3 is last to be prepared through film technology has complete microstrip film circuit 4, microstrip film circuit 4 adopts a two Y knot circulator circuit and a two Y knot isolator circuit to concatenate and forms, film circuit substrate 3 top is provided with two dielectric sheets 5, the top of two dielectric sheets 5 is provided with permanent magnet 6 respectively, the top fixedly connected with of two permanent magnets 6 shields card 2.
The microstrip thin film circuit 4 adopts a double Y-junction resonator circuit simulation design, and has stronger power resistance compared with a fishbone circuit;
the lower shielding card 1 is made of punched industrial pure iron, the outer surface of the lower shielding card is plated with gold, the lower shielding card has good weldability, the upper shielding card 2 is made of punched DT4 industrial pure iron, and the outer surface of the upper shielding card 2 is plated with nickel.
Solder 8 is provided between the lower shield card 1 and the thin film circuit substrate 3, and the lower shield card 1 and the thin film circuit substrate 3 are soldered by the solder 8.
The solder 8 can withstand high temperatures.
One sides of the dielectric sheet 5 and the permanent magnet 6 are coated with temperature-resistant epoxy glue 7, and one sides of the dielectric sheet 5 and the permanent magnet 6 coated with the temperature-resistant epoxy glue 7 are adhered to the thin film circuit substrate 3.
The dielectric sheet 5 is made of insulating material and is mainly used for supporting the permanent magnet 6 and isolating the permanent magnet 6 from the microstrip thin film circuit 4.
The permanent magnet 6 is samarium cobalt magnet, and is made into a corresponding shape according to performance requirements.
The temperature-resistant epoxy adhesive 7 is a single-component or multi-component adhesive and is mainly used for bonding the dielectric sheet 5 with the thin film circuit substrate 3 and bonding the dielectric sheet 5 with the permanent magnet 6.
The double-Y-junction circulator circuit and the double-Y-junction isolator circuit in the micro-strip film circuit 4 are cascaded, and a matching block is arranged between the double-Y-junction circulator circuit and the double-Y-junction isolator circuit and used for adjusting the matching degree between the double-Y-junction circulator circuit and the double-Y-junction isolator circuit.
The dual Y-junction isolator circuit employs a thin film open load 10 of high integration.
The film open-circuit load 10 is prepared by adopting a film process, is free of grounding and high in integration level, and has the advantages that the film layer is mainly TaN, and when power is absorbed, the energy is uniformly distributed, so that the film open-circuit load can resist larger power.
The two opposite sides of the lower shielding card 1 are bent upwards, the bent parts need to be subjected to root corner cleaning, the risk that the thin film circuit substrate 3 and the lower shielding card 1 fall off due to the bending problem of the bent parts after welding can be effectively avoided, the two bent edges of the lower shielding card 1 are respectively provided with a clamping groove, the width of each clamping groove is the same as the thickness of the upper shielding card 2, and the side surfaces of the clamping grooves of the lower shielding card 1 are projected into a convex shape and a U shape; the two opposite sides of the upper shielding card 2 are bent downwards, the width of the upper shielding card 2 is larger than the diameter of the permanent magnet 6, magnetic leakage can be effectively prevented, and the side projection of the upper shielding card 2 is in a shape of a 'convex' and a 'U'.
When the upper shielding card 2 and the lower shielding card 1 are processed, the width of the clamping groove is required to be the same as the thickness of the upper shielding card 2, so that the upper shielding card 2 and the lower shielding card 1 can be more firmly closed, and shaking is avoided in the assembly and use processes.
The upper surface of the permanent magnet 6 is smeared with glue solution, and one side of the upper shielding card 2 is adhered with the upper surface of the permanent magnet 6 through the glue solution.
The upper shielding card 2 is in fit connection with the clamping groove of the lower shielding card 1, the conductive silver adhesive 9 is arranged at the joint of the upper shielding card 2 and the lower shielding card 1, the joint of the upper shielding card 2 and the lower shielding card 1 is bonded and cured through the conductive silver adhesive 9, and the conductive silver adhesive 9 is an adhesive for realizing conductive connection of adhered materials.
The conductive silver adhesive 9 can enable the grounding to be more continuous, and can strengthen the structure of the shielding card after solidification.
Referring to fig. 1-4, a second embodiment:
a microstrip isolator circulator component with a shielding card is characterized in that a circuit of the microstrip isolator circulator component is formed by cascading a double Y-junction circulator circuit and a double Y-junction isolator circuit, and the outside of the microstrip isolator circulator component is formed by closing an upper shielding card 2 and a lower shielding card 1 to form a magnetic loop, so that the effect of magnetic shielding is achieved, and the cavity resonance of the component can be improved by effective grounding;
the invention provides a microstrip isolator circulator component with a shielding card, which comprises a lower shielding card 1, an upper shielding card 2, a thin film circuit substrate 3, a microstrip thin film circuit 4, a dielectric sheet 5, a permanent magnet 6, temperature-resistant epoxy adhesive 7, solder 8, conductive silver adhesive 9 and a thin film open-circuit load 10.
As shown in FIG. 2, the circuit of the product adopts a double Y-junction resonator circuit and an open-circuit load simulation design, the matching design is flexible, the circuit can bear larger power, and the product miniaturization design is facilitated.
As shown in fig. 3 and 4, the lower shielding card 1 and the film circuit substrate 3 should be welded by adopting a solder 8 at a proper temperature, the medium sheet 5 and the permanent magnet 6 are coated with a temperature-resistant epoxy adhesive 7 to be bonded and cured for 2 hours at a high temperature of 135 ℃, the cured permanent magnet 6 and the medium sheet 5 are put into a bonding fixture, the medium sheet 5 is coated with the temperature-resistant epoxy adhesive 7 again to be bonded on the film circuit substrate 3, after being cured for 2 hours at the high temperature of 135 ℃, the film circuit substrate 3 is taken out, the upper surface of the permanent magnet 6 is coated with the temperature-resistant epoxy adhesive 7 again, the upper shielding card 2 is buckled and pressed above the permanent magnet 6, and meanwhile, the bending surface of the upper shielding card 2 is inserted into a clamping groove of the lower shielding card 1, so as to finish the primary sealing of the upper shielding card 2 and the lower shielding card 1;
after the primary sealing of the upper shielding card 2 and the lower shielding card 1 of the product is finished, conductive silver glue 9 is smeared on the closing positions and clamping grooves of the upper shielding card 2 and the lower shielding card 1 and cured for 2 hours at a high temperature of 150 ℃, which is beneficial to the effective grounding of the product and the reliability of the structure.
As shown in fig. 4: p1 is the transmission signal input end of the TR component, port P2 is the antenna end of the TR component, port P3 is the receiving end of the TR component, and signals are transmitted from port P1 to port P2 and from port P2 to port P3. The product provided by the invention transmits small standing waves in a Ku wave band, has low loss, good power resistance, simple production process, high production efficiency and high structural reliability, and is suitable for popularization.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A microstrip isolator circulator subassembly of area shielding card, its characterized in that: the novel micro-strip shielding card comprises a lower shielding card (1), wherein a thin-film circuit substrate (3) is arranged at the top end of the lower shielding card (1), a complete micro-strip thin-film circuit (4) is prepared on the thin-film circuit substrate (3) through a thin-film process, the micro-strip thin-film circuit (4) is formed by cascading a double-Y-junction circulator circuit and a double-Y-junction isolator circuit, two medium sheets (5) are arranged at the top end of the thin-film circuit substrate (3), permanent magnets (6) are respectively arranged at the top ends of the medium sheets (5), and the upper shielding card (2) is fixedly connected to the top ends of the permanent magnets (6).
2. The microstrip isolator circulator assembly with a shielding card according to claim 1, wherein: the lower shielding card (1) is made of stamped industrial pure iron, the outer surface of the lower shielding card (1) is plated with gold, the upper shielding card (2) is made of stamped DT4 industrial pure iron, and the outer surface of the upper shielding card (2) is plated with nickel.
3. A microstrip isolator circulator assembly with a shielding card according to claim 2, wherein: solder (8) is arranged between the lower shielding card (1) and the thin film circuit substrate (3), and the lower shielding card (1) and the thin film circuit substrate (3) are welded through the solder (8).
4. A microstrip isolator circulator assembly with a shield card according to claim 3 wherein: one sides of the medium sheet (5) and the permanent magnet (6) are coated with temperature-resistant epoxy glue (7), and one sides of the medium sheet (5) and the permanent magnet (6) coated with the temperature-resistant epoxy glue (7) are adhered to the thin film circuit substrate (3).
5. The microstrip isolator circulator assembly with a shielding card according to claim 4, wherein: and a double-Y-junction circulator circuit and a double-Y-junction isolator circuit in the micro-strip film circuit (4) are cascaded, and a matching block is arranged between the double-Y-junction circulator circuit and the double-Y-junction isolator circuit.
6. The microstrip isolator circulator assembly with a shielding card according to claim 5, wherein: the double Y-junction isolator circuit adopts a thin film open-circuit load (10) with high integration level.
7. The microstrip isolator circulator assembly with a shielding card according to claim 6, wherein: two opposite sides of the lower shielding card (1) are bent upwards, two clamping grooves are formed in the edges of the two bent sides of the lower shielding card (1), the width of each clamping groove is the same as the thickness of the upper shielding card (2), and the side surfaces of the clamping grooves of the lower shielding card (1) are projected to be in a convex shape and a U shape; the two opposite sides of the upper shielding card (2) are bent downwards, the width of the upper shielding card (2) is larger than the diameter of the permanent magnet (6), and the side projection of the upper shielding card (2) is in a shape of a 'convex' and a 'U'.
8. The microstrip isolator circulator assembly with a shielding card according to claim 7, wherein: and the upper surface of the permanent magnet (6) is coated with glue solution, and one side of the upper shielding card (2) is adhered with the upper surface of the permanent magnet (6) through the glue solution.
9. The microstrip isolator circulator assembly with a shielding card according to claim 8, wherein: the upper shielding card (2) is in fit connection with the clamping groove of the lower shielding card (1), the conductive silver adhesive (9) is arranged at the joint of the upper shielding card (2) and the lower shielding card (1), the joint of the upper shielding card (2) and the lower shielding card (1) is bonded and solidified through the conductive silver adhesive (9), and the conductive silver adhesive (9) is an adhesive for realizing conductive connection of an adhered material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311048080.3A CN116864945A (en) | 2023-08-21 | 2023-08-21 | Microstrip isolator circulator component with shielding card |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311048080.3A CN116864945A (en) | 2023-08-21 | 2023-08-21 | Microstrip isolator circulator component with shielding card |
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Publication Number | Publication Date |
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CN116864945A true CN116864945A (en) | 2023-10-10 |
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ID=88227154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202311048080.3A Pending CN116864945A (en) | 2023-08-21 | 2023-08-21 | Microstrip isolator circulator component with shielding card |
Country Status (1)
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CN (1) | CN116864945A (en) |
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2023
- 2023-08-21 CN CN202311048080.3A patent/CN116864945A/en active Pending
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