WO2005038977A1 - 共振器 - Google Patents
共振器 Download PDFInfo
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- WO2005038977A1 WO2005038977A1 PCT/JP2004/015142 JP2004015142W WO2005038977A1 WO 2005038977 A1 WO2005038977 A1 WO 2005038977A1 JP 2004015142 W JP2004015142 W JP 2004015142W WO 2005038977 A1 WO2005038977 A1 WO 2005038977A1
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- WIPO (PCT)
- Prior art keywords
- slot
- resonator
- spiral
- dielectric substrate
- conductor wiring
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- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 9
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- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 4
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/08—Strip line resonators
- H01P7/082—Microstripline resonators
Definitions
- the present invention relates to a high-frequency circuit that transmits or radiates high-frequency signals in a microwave band, a millimeter-wave band, and the like, and particularly relates to a resonance at a predetermined design frequency (resonance frequency) in the band.
- the present invention relates to a resonator exhibiting a phenomenon.
- resonant circuit elements used in the high-frequency circuit mounted on these wireless devices, a high-frequency circuit using a slot circuit in which a part is cut off from a ground conductor wiring layer.
- a resonance phenomenon may occur at a half wavelength frequency corresponding to the distance between both ends of the slot.
- the slots are arranged in a spiral shape, a resonance phenomenon may occur in a lower frequency band, that is, a longer electromagnetic wave without increasing the occupied area. For example, as shown in a cross-sectional view of FIG. 14A and a top view of FIG.
- a dielectric substrate 501 having a dielectric constant of 10 and a thickness of 600 microns is used to form the ground conductor layer 503 formed on the surface thereof.
- the resonance frequency is 6.69 GHz.
- Non-Patent Document 1 Japanese Patent Document 1
- two helical slot circuits each having 2 to 4.5 turns are arranged in line symmetry in the same plane, and both are connected in series.
- a slot resonator that resonates at half the frequency of each spiral slot circuit is configured, and the slot resonator is applied to a part of the filter circuit.
- two helical slot circuits are connected in series, and coupled to the input circuit at the center thereof to obtain strong coupling!
- Non-Patent Document 1 2003 IEEE, MTT-S, International microwave symposium digest, pp. 1595-1598 "Miniaturized Slot-line and Folded-siot Band- Pass Filters"
- Non-Patent Document 1 As exemplified in Non-Patent Document 1, if two slot circuits are connected in series, the resonance wavelength can be set to twice, so that the resonance frequency can be reduced to half. However, since each slot circuit is arranged on the same plane, the area occupied by the circuit is doubled. However, it is not preferable from the viewpoint of miniaturization!
- an object of the present invention is to solve the above-described problems, and can exhibit a resonance phenomenon in a frequency band lower than that of a conventional half-wavelength resonator. It is another object of the present invention to provide a resonator capable of further reducing the volume.
- the present invention is configured as follows to achieve the above object.
- a dielectric substrate According to the first aspect of the present invention, a dielectric substrate,
- a first ground conductor layer formed with a spiral-shaped first slot having one or more turns and disposed on the surface of the dielectric substrate;
- a helical second slot having one or more turns is formed, and a second ground conductor layer disposed on the back surface of the dielectric substrate;
- the first slot and the second slot overlap in a top view, and provide a resonator that exhibits a resonance phenomenon at a resonance frequency.
- “in a top view” means that the first slot and the second slot are viewed through from the front side of the dielectric substrate.
- the surface including the first slot (the front surface) and the surface including the second slot (the back surface) are aligned in a direction perpendicular to the front surface of the dielectric substrate (ie, the dielectric substrate). This means that they are virtually translated in the direction of the thickness of the body substrate and are viewed on the same plane.
- the meaning of the term “te in top view” is the same in the following description.
- a winding direction of the first slot and a winding direction of the second slot are opposite to each other.
- the first slot and the second slot are arranged such that the centers of the spirals coincide with each other and the outer edges thereof substantially coincide with each other when viewed from above.
- the resonator according to the first aspect is provided.
- the outer terminal portion in the first slot and the outer terminal portion in the second slot are formed, as viewed from above, of the spiral in the first slot.
- the resonance according to the first aspect wherein a resonance phenomenon occurs at a resonance frequency lower than the resonance frequency of the first slot and the resonance frequency of the second slot.
- the ground conductor region outside the outer edge of the first slot in the first ground conductor layer, and the second slot in the second ground conductor layer The resonator according to the first aspect, further comprising a connection through conductor connected to a ground conductor region outside the substrate and disposed through the dielectric substrate.
- a dielectric substrate According to a seventh aspect of the present invention, a dielectric substrate,
- a helical slot having one or more turns is formed, and a ground conductor layer disposed on the surface of the dielectric substrate;
- a spiral-shaped spiral conductor wiring disposed on the back surface of the dielectric substrate and having one or more turns.
- the resonator according to the seventh aspect wherein a winding direction of the slot and a winding direction of the spiral conductor wiring are opposite to each other.
- the slot and the spiral conductor wiring are viewed from above.
- V The resonator according to the seventh aspect, wherein the centers of the spirals are aligned with each other, and the outer edges of the spirals are aligned with each other.
- the outer terminal portion of the slot and the outer terminal portion of the spiral conductor wiring are substantially point-symmetric with respect to the center of the spiral in the slot when viewed from above.
- a dielectric substrate According to an eleventh aspect of the present invention, a dielectric substrate,
- a helical slot having one or more turns is formed, and a ground conductor layer disposed on the surface of the dielectric substrate;
- a spiral-shaped spiral conductor wiring arranged on the back surface of the dielectric substrate and having one or more turns;
- the above-mentioned slot and the above-mentioned spiral conductor wiring are overlapped in a top view, and provide a resonator which exhibits a resonance phenomenon at a resonance frequency.
- a resonance phenomenon can be exhibited at a resonance frequency lower than the resonance frequency of the slot and the resonance frequency of the spiral conductor wiring.
- a slot resonator that normally functions only as a half-wavelength resonator can be made to function as a part of a quarter-wavelength type resonator having a short resonance wavelength.
- a slot resonator exhibiting a resonance phenomenon at a very low resonance frequency can be provided.
- connection through conductor is provided on the ground conductor layer.
- the resonator according to the eleventh aspect wherein the winding direction of the slot and the winding direction of the spiral conductor wiring are opposite to each other.
- the slot and the spiral conductor wiring are arranged such that the centers of the respective spirals coincide with each other and the outer edges thereof substantially coincide with each other when viewed from above.
- the resonator according to the eleventh aspect is provided.
- the outer terminal portion in the slot and the outer terminal portion in the spiral conductor wiring are substantially point-symmetric with respect to the center of the spiral in the slot in a top view.
- a dielectric substrate According to a sixteenth aspect of the present invention, a dielectric substrate
- a first ground conductor layer having a spiral slot having one or more turns formed thereon and disposed on the surface of the dielectric substrate;
- a second ground conductor layer disposed on the back surface of the dielectric substrate
- a spiral-shaped spiral conductor wiring formed between the front surface and the rear surface of the dielectric substrate and having one or more turns;
- the above-mentioned slot and the above-mentioned spiral conductor wiring are overlapped in a top view, and provide a resonator which exhibits a resonance phenomenon at a resonance frequency.
- a resonance phenomenon can be exhibited at a resonance frequency lower than the resonance frequency of the slot and the resonance frequency of the spiral conductor wiring.
- a slot resonator that normally functions only as a half-wavelength resonator can be made to function as a part of a quarter-wavelength type resonator having a short resonance wavelength.
- a slot resonator exhibiting a resonance phenomenon at a very low resonance frequency can be provided.
- the slot and the spiral conductor wiring are arranged such that the centers of the respective spirals coincide with each other and the outer edges thereof substantially coincide with each other.
- a resonator according to a sixteenth aspect is provided.
- the outer terminal portion in the slot and the outer terminal portion in the spiral conductor wiring are substantially point-symmetric with respect to the center of the spiral in the slot in a top view.
- the first ground conductor layer in which the spiral first slot is formed, and the spiral second slot are also formed.
- the formed second ground conductor layer is arranged, and is arranged so as to overlap the first slot with the second slot in a top view (that is, in the thickness direction of the dielectric substrate, It is arranged so as to have an overlapping portion in the direction while changing the formation position), so that the respective slots overlap under the condition that the high-frequency displacement current flows in the same direction in each of the slots.
- a so-called even mode can be induced in the portion, and the effective dielectric constant can be increased.
- such an effect of reducing the resonance frequency can be enhanced as the overlapping portion of each of the slots is increased.
- a resonance length longer than the resonator length in a conventional resonator structure having a structure in which adjacent slots arranged on the same plane are coupled in series is provided.
- the resonance phenomenon of the half-wavelength resonance mode with the length of the The size of the resonator can be greatly reduced and the area can be reduced.
- the effect of reducing the resonance frequency is such that the winding direction of the spiral of the first slot is opposite to the winding direction of the spiral of the second slot. It can be enhanced by arranging them so that
- the center of the helix of each slot and the outer edge force are arranged so as to coincide with each other in the stacking direction, so that the effect of reducing the resonance frequency can be further enhanced.
- the outer end of the first slot and the outer end of the second slot are substantially point-symmetric with respect to the center of the helix.
- a contact disposed through the dielectric substrate so as to connect the ground conductor region outside the outer edge of the first slot and the ground conductor region outside the second slot.
- the provision of the continuous through conductor further enhances the high-frequency grounding state of each of the ground conductor layers.
- the dielectric substrate is penetrated through the dielectric substrate so as to connect the inner end portion of the spiral conductor wiring or the vicinity thereof and a region inside the outer edge of the slot in the ground conductor layer.
- the additional arrangement of the connection through conductor allows the slot circuit, which was originally a half-wavelength resonator, to function as a quarter-wavelength resonator.
- the size of the resonator can be further reduced, and the cross-coupling capacitance between the slot and the spiral conductor wiring can cause an effective increase in the dielectric constant at a high-frequency current in the resonance mode. Therefore, the resonance frequency can be further reduced.
- FIG. 1A is a cross-sectional view of a resonator according to the first embodiment of the present invention.
- FIG. 1B is a top view of a second ground conductor layer provided in the resonator of FIG. 1A.
- FIG. 1C is a top view of a first ground conductor layer provided in the resonator of FIG. 1A,
- FIG. 2A is a diagram showing an example of a spiral arrangement of slots formed in each ground conductor layer, and is a diagram showing an arrangement of a second slot;
- FIG. 2B is a diagram showing an arrangement of a first slot
- FIG. 3A is a diagram showing another example of a spiral arrangement of slots formed in each ground conductor layer, and is a diagram showing an arrangement of a second slot;
- FIG. 3B is a diagram showing an arrangement of a first slot
- FIG. 4A is a cross-sectional view of a resonator acting on a modification of the first embodiment.
- FIG. 4B is a top view of a second ground conductor layer provided in the resonator of FIG. 4A.
- FIG. 4C is a top view of a first ground conductor layer included in the resonator of FIG. 4A
- FIG. 5A is a cross-sectional view of a resonator applied to a second embodiment of the present invention.
- FIG. 5B is a top view of a ground conductor layer included in the resonator of FIG. 5A,
- FIG. 5C is a top view of a conductor wiring layer included in the resonator of FIG. 5A,
- FIG. 6A is a cross-sectional view of a resonator according to a third embodiment of the present invention.
- FIG. 6B is a top view of a ground conductor layer provided in the resonator of FIG. 6A,
- FIG. 6C is a top view of a conductor wiring layer provided in the resonator of FIG. 6A,
- FIG. 7A is a cross-sectional view of a resonator according to Example 3-5 of the third embodiment.
- FIG. 7B is a cross-sectional view of a second ground conductor layer included in the resonator of FIG. 7A. It is a top view,
- FIG. 7C is a top view of a conductor wiring layer included in the resonator of FIG. 7A
- FIG. 7D is a top view of a first ground conductor layer included in the resonator of FIG. 7A
- FIG. 8A is a cross-sectional view of a resonator according to Example 3-6 of the third embodiment, in which the first conductor wiring layer and the second conductor wiring layer are not connected to each other. Indicates that
- FIG. 8B is a top view of a second conductor wiring layer included in the resonator of FIG. 8A,
- FIG. 8C is a top view of a first conductor wiring layer included in the resonator of FIG. 8A,
- FIG. 8D is a top view of a ground conductor layer included in the resonator of FIG. 8A,
- FIG. 9A is a cross-sectional view of a resonator according to Example 3-7 of the third embodiment, in which a first conductive wiring layer and a second conductive wiring layer are connected to each other. Indicates that
- FIG. 9B is a top view of a second conductor wiring layer included in the resonator of FIG. 9A,
- FIG. 9C is a top view of a first conductor wiring layer included in the resonator of FIG. 9A,
- FIG. 9D is a top view of a ground conductor layer included in the resonator of FIG. 9A,
- FIG. 10A is a sectional view of a resonator according to a fourth embodiment of the present invention.
- FIG. 10B is a top view of a first ground conductor layer included in the resonator of FIG. 10A,
- FIG. 10C is a top view of a conductor wiring layer included in the resonator of FIG. 10A,
- FIG. 11A is a cross-sectional view showing a connection structure between a resonator and an external circuit according to each of the above embodiments of the present invention
- FIG. 11B is a plan view showing signal conductor wiring connected to an external circuit
- FIG. 11C is an inner surface view of a first ground conductor layer provided in the resonator of FIG. 11A.
- FIG. 12A shows still another connection structure between the resonator and an external circuit.
- FIG. 12B is a cross-sectional view
- FIG. 12B is an inner surface view of a conductor wiring layer included in the resonator of FIG. 12A,
- FIG. 13 is a transparent perspective view showing a connection structure between a resonator group and an external circuit.
- FIG. 14A is a cross-sectional view of a conventional resonator
- FIG. 14B is a top view of a ground conductor layer included in the resonator shown in FIG. 14A.
- FIG. 1A is a cross-sectional view of a resonator 10 using a high-frequency circuit according to the first embodiment of the present invention.
- resonator 10 includes multilayer dielectric substrate 1 having a laminated structure of first dielectric substrate 6 and second dielectric substrate 7. Also, the respective dielectric substrates 6 and 7 are laminated so that the front surface 6a (the upper surface shown) of the first dielectric substrate 6 and the rear surface 7b (the lower surface shown) of the second dielectric substrate 7 are bonded to each other.
- the first grounding conductor layer 2 is formed at the bonded portion.
- a second ground conductor layer 3 is formed on the surface 7a (the upper surface in the figure) of the second dielectric substrate 7, that is, on the surface of the multilayer dielectric substrate 1.
- the front surface 6a of the first dielectric substrate 6 and the front surface 7a and the back surface 7b of the second dielectric substrate 7 are formed so as to be parallel to each other, and the first ground conductor layer 2 and the second And the ground conductor layer 3 are arranged in parallel with each other.
- FIG. 1B a top view of the second ground conductor layer 3 included in the resonator 10 of FIG. 1A is shown in FIG. 1B, and a top view of the first ground conductor layer 2 is shown in FIG. 1C.
- the first ground conductor layer 2 has a first slot 4 from which a conductor portion is spirally removed so as to penetrate the conductor layer in the thickness direction.
- the second ground conductor layer 3 also has a second slot 5 from which a conductor portion is spirally removed so as to penetrate the conductor layer in the thickness direction.
- the first slot 4 and the second slot 5 are formed, for example, in a square shape with the outer edges being equal in size, and for example, each has the same groove width, the interval pitch between adjacent grooves, and the number of spiral turns. It is formed in a spiral shape to have!
- the resonance frequency obtained is assumed to be fl
- the resonance frequency obtained when the first ground conductor layer 2 does not exist and the resonator structure including only the second slot 5 is adopted is f2.
- the relationship between the resonance frequencies fl and f2 obtained when each of the slots 4 and 5 is present alone is such that fl ⁇ f2 due to the difference in the distribution of the dielectric constant around the slots 4 and 5.
- the spiral center Ol of the first slot 4 and the spiral center 02 of the second slot 5 are From the stacking direction of 7 A first slot 4 and a second slot 5 are arranged to match. Furthermore, the respective slots 4, 4 are so set that the outer edges of the squares of the first slot 4 and the second slot 5 (that is, the outer edges of the formation regions of the slots in the respective ground conductor layers) also substantially coincide with each other. 5 is located.
- the first slot 4 and the second slot 5 are arranged, so that the first slot 4 and the second slot 5 are connected to the respective dielectric substrates 6 7 have different portions in the laminating direction (thickness direction or height direction) and have portions overlapping in the laminating direction. That is, the first slot 4 and the second slot 5 have portions that overlap each other when viewed from above (when viewed from the lamination direction).
- such an overlap is defined as “cross-coupling”
- the capacitance caused by such cross-coupling is defined as “cross-coupling capacitance”.
- the resonance frequency fO of the resonator 10 can be reduced.
- the resonance frequency fO in the resonator structure can be smaller than half the value of the resonance frequency fl in the resonator structure having only the slot 4. That is, the resonance frequency fO of the resonator 10 having the structure in which the slots 4 and 5 are stacked in the stacking direction, the resonance frequency fl of the resonator structure including only the first slot 4, and the resonance including only the second slot 5 Equation (1) holds between the resonance frequency f2 and the resonance frequency f2 in the container structure.
- the resonator 10 of the first embodiment has a longer resonator length than a conventional resonator having a structure in which respective slots arranged adjacently on the same plane are connected in series.
- the new half-wave resonance mode resonance phenomenon can be obtained in the area occupied by one conventional resonator.
- the resonance frequency fO is the design frequency of the resonator 10, and the resonator 10 can exhibit a resonance phenomenon at the design frequency.
- the effect of reducing the resonance frequency in the resonator structure of the first embodiment is caused by the generation of high-frequency current flowing in the same direction in each of the upper and lower slots 4 and 5 where the cross-coupling is made. ing. More specifically, the resonance frequency of the resonator depends on the effective length between portions where the high-frequency current is reflected in the resonance mode, that is, the effective resonator length.
- the resonance frequency of the resonator depends on the effective length between portions where the high-frequency current is reflected in the resonance mode, that is, the effective resonator length.
- a high-frequency current is induced between the upper and lower slots 4 and 5 via a cross-coupling capacitance. Can be moved.
- the cross-coupling capacitance can move a larger amount of current as the current becomes higher and the frequency becomes higher, and the amount of current that can be moved becomes lower as the current becomes lower and the frequency becomes lower. Therefore, the following three methods can be given as methods for causing the resonator 10 to exhibit a resonance phenomenon at a lower frequency.
- the first method is never through the cross-coupling capacitance! ⁇ Even if low enough! (4) To lengthen the effective resonator length of the first slot and the second slot so that a resonance phenomenon occurs at the resonance frequency.
- This method is a conventional method of reducing the resonance frequency, and is not included in the claims of the present invention.
- the second method is to increase the effective resonator length by moving the high-frequency current between the upper and lower slots 4 and 5 many times in the resonance mode. To this end, it is effective to reduce the interval at which the first slot 4 and the second slot 5 are stacked.
- Such a method can be applied to the resonator 10 of the first embodiment.
- the high-frequency current moves between the upper and lower slots 4 and 5 only once or twice between the first slot 4 and the second slot 5 for an extremely small number of times.
- the effective resonator length is set to be the longest.
- both slots 4 and 5 have the same winding direction, and the number of spiral turns of both slots 4 and 5 is the same.
- FIG. 2A and FIG. 3 is rotated 180 degrees relative to the first slot 4 and the second slot 5 is disposed so as to completely overlap the first slot 4 as shown in FIGS. 3A and 3B.
- FIGS.2A and 2B compared to a case where the two slots 4 and 5 are arranged so as to completely match as shown in FIGS.3A and 3B.
- the high-frequency current flowing through the first slot 4 moves to the second slot 5 via the cross-coupling capacitance, and flows in the same direction.
- the resonance frequency in this case is fsO.
- the high-frequency current flowing through the first slot 4 moved to the second slot 5 via the cross-coupling capacitance and flowed in the same direction.
- the effective resonator length becomes longer. Assuming that the resonance frequency in this case is fsl80, the relationship between the respective resonance frequencies is as shown in equation (2).
- the outer terminal end 4a of the first slot 4 and the outer terminal 5a of the second slot 5 are located at substantially point-symmetric positions with respect to the spiral center Ol of the first slot 4.
- the slots 4 and 5 are arranged to obtain a lower resonance frequency.
- the respective slots 4 and 5 are arranged such that the winding direction of the first slot 4 and the winding direction of the second slot 5 and the force are opposite to each other. It is preferred that In other words, in a mode in which a high-frequency displacement current flows by connecting the two slots 4 and 5 via cross-coupling so that the helix rotates in the same direction, the winding directions of the slots 4 and 5 are the same. In the case of the opposite direction, an increase in the resonator length is most effectively obtained in the opposite direction, and as a result, the resonance frequency fO in the resonator 10 is effectively reduced. is there.
- the spiral winding direction of the first slot 4 and the second slot 5 the spiral winding direction of the first slot 4 and the second slot 5 .
- the high-frequency current flowing through the first slot 4 in the resonance mode is maintained in the same direction while flowing through the second slot 4 via the cross-coupling capacitance.
- the point moving to 5 and being reflected at the end of the second slot 5 remains unchanged.
- the outer end portion 5a of the second slot 5 High-frequency current flows into the inner end 5b of the second slot 5 and intersects the inside of the first slot 4 before being reflected at the inner end 5b. It travels through the coupling capacity and then terminates at the outer termination 4a of the first slot 4.
- the outer terminal portion 4a of the first slot 4 and the outer terminal portion 5a of the second slot 5 are set.
- the effective resonator length defined by is geometrically longer than when the spiral direction of the first slot 4 and the second slot 5 is set to the same direction. Therefore, by arranging the spiral winding directions of the slots 4 and 5 in opposite directions, a resonance phenomenon can be exhibited at a lower resonance frequency. That is, the relationship between the resonance frequency fo when the winding direction of the spiral of the first slot 4 and the second slot 5 is set to the opposite direction and the respective resonance frequencies described above is expressed by the following equation (3).
- the resonance frequency fo becomes the lowest value in half IJ.
- each of the resonance frequencies fo, fl80, and fsO is an example of the resonance frequency fo, and is included in the resonance frequency fO.
- cross-coupling can be strengthened by arranging the helical slots arranged in the stacking direction so that their formation regions overlap, and furthermore, a combination of the slots arranged adjacent to each other in the stacking direction.
- the first ground conductor layer 2 and the second ground conductor layer 2 in the resonator 10 of the first embodiment are in a range where the decrease in the resonance Q value due to the increase in the loss can be overcome, or a range in which the manufacturing margin of the manufacturing process is acceptable.
- the laminating interval is set in the range of 0.5 m to 500 m, and is used for semiconductor applications, it is preferable that the laminating interval is in the range of 0.5 m to 10 m.
- the lamination interval is set in a range of 30 / zm-500 ⁇ m.
- the force described in the case where the ground conductor layer is not formed on the back surface 6b (the lower surface in FIG. 1A) of the first dielectric substrate 6 is described.
- the embodiment is not limited only to such a case.
- a third ground conductor layer may be formed on substantially the entire back surface 6b of the first dielectric substrate 6, and the like.
- the first embodiment is not limited to the above-described configuration, and can be implemented in various other modes.
- a resonator 11 according to a modification of the first embodiment will be described below with reference to the drawings.
- a cross-sectional view of such a resonator 11 is shown in FIG. 4A
- a top view of the second ground conductor layer 3 included in the resonator 20 is shown in FIG. 4B
- a top view of the first ground conductor layer 2 is shown in FIG. 4C.
- resonator 11 includes a plurality of connection through conductors 8 that electrically connect first ground conductor layer 2 and second ground conductor layer 3. Except that it has And has the same structure as the resonator 10.
- the first ground conductor layer 2 and the second ground conductor layer 3 penetrate the second dielectric substrate 7 disposed therebetween in the thickness direction. Are connected to each other by a plurality of, for example, two connection through conductors 8 arranged at the same time.
- each of the connection through conductors 8 thus formed is connected to the outer edge of the first slot 4 in the first ground conductor layer 2 (substantially square shape). It is preferable to arrange the region outside the outer edge of the formation region) and the region outside the outer edge of the second slot 5 in the second ground conductor layer 3 so as to connect to each other. That is, each region is connected to the region inside the outer edge of the first slot 4 in the first ground conductor layer 2 or the region inside the outer edge of the second slot 5 in the second ground conductor layer 3. It is not preferable that the connection through conductor 8 is arranged.
- the phase of the high-frequency current rotates along the length direction of the slot, and the phase rotation is a half wavelength, that is, a frequency corresponding to a phase rotation of 180 degrees.
- a resonance phenomenon can be achieved. That is, the phase must be rotated between the inner region and the outer region of the helical slot forming region.
- the inside and outside regions of the formation region of the first slots 4 and the second All portions of the inner region and the outer region of the formation region of the slot 5 have a uniform potential as a stable ground state.
- the first slot 4 is a half-wavelength resonator having the both ends (that is, the inner and outer ends) grounded, and the second slot 5 is also provided with the both ends grounded. Since they operate as separate half-wave resonators without coupling, the connection through-conductors are connected so that the inner region of the slot formation region is connected.
- the configuration does not correspond to the claims of the present invention. That is, in the resonator 11 of the modified example of the first embodiment, as shown in FIGS. 4A, 4B, and 4C, the outer region of the formation region of the first slot 4 and the second slot 5 It is preferable that respective connection through conductors 8 are arranged so as to penetrate second dielectric layer 7 so as to connect with the outer region of the formation region.
- connection through conductors 8 there are cases where the connection portions are arranged on a center line that bisects the substantially square-shaped formation region of the slots 4 and 5.
- connection points are arranged on a diagonal extension line of the above-described substantially square-shaped formation region, if the grounding state in the two grounding conductor layers 2 and 3 is stabilized, it is difficult to achieve the above.
- Like! / the connection through conductors 8
- Examples 1-1 to 1-7 of the resonator of the first embodiment will be described.
- Tables 1 and 2 of Examples 1-1 to 1-6 are summarized in Table 1.
- Comparative Example 1 -1 1 4.10
- a resin substrate having a dielectric constant of 10.2 and a thickness of 640 m was set as a base substrate (first dielectric substrate 6), and the surface of the base substrate was changed. Then, a resin substrate (second dielectric substrate 7) having a dielectric constant of 10.2 and a thickness of 130 / zm is bonded to form a multilayer dielectric substrate 1.
- a high-frequency circuit based on the conditions shown in Example 11 was manufactured.
- a copper wiring having a thickness was provided as the first ground conductor layer 2 between the base substrate and the resin substrate inside the multilayer dielectric substrate 1. Further, a copper wiring having a thickness of 20 m was formed on the surface of the multilayer dielectric substrate 1 as the second grounding conductor layer 3, that is, on the surface of the resin substrate.
- the first ground conductor layer 2 and the second ground conductor layer 3 were formed with a spiral first slot 4 and a second slot 5 having a square outer edge of 2000 ⁇ m on each side. .
- Each of the slots 4 and 5 removes a desired portion of the first ground conductor layer 2 and the second ground conductor layer 3 by wet etching to form a through groove that penetrates the conductor layer in the thickness direction. It was formed by this.
- the minimum wiring width (groove width) of each slot 4 and 5 and the minimum gap distance between wirings (between grooves) were set to 200 ⁇ m.
- the number of spiral turns was set to two for both spiral shapes.
- the spiral directions of the first slot 4 and the second slot 5 were set to be opposite to each other.
- the resonator according to Example 1-1 having such a structure showed a resonance phenomenon at a frequency of 1.88 GHz.
- Example 11 a comparative example 11 in which only the first slot is formed in the first ground conductor layer without forming the second slot in the second ground conductor layer.
- the obtained resonant frequency of the resonator was 4.10 GHz.
- the obtained resonance frequency was 5.07 GHz. From these results, it can be seen that the resonator of Example 11 exhibits a resonance phenomenon at a low resonance frequency as compared with any of the comparative examples.
- the thickness dimension of the resin substrate (second dielectric substrate 7) additionally bonded onto the base substrate (first dielectric substrate 6) was set to 130 m in Example 1-1.
- the resonance frequency was 1.48 GHz.
- the thickness of the resin substrate bonded to the surface of the base substrate is further reduced to 30 ⁇ m.
- the resonance frequency could be reduced to 0.81 GHz.
- the resonance frequency of the resonator of Example 11 is smaller than half the value of each of the resonance frequencies of the resonators of Comparative Examples 11 and 12, and furthermore, The resonance frequency of the resonator of Example 13 was smaller than one-fourth of the respective resonance frequencies of the resonators of Comparative Examples 11 and 12; It can be said that the resonator of the embodiment can obtain much more advantageous effects than the conventional resonator configured by arranging two slot circuits adjacent to each other on the same plane and connecting them in series. .
- Example 11 The conditions are substantially the same as those in Example 11, and the spiral direction of the first slot 4 and the second slot 5 is set to the same direction in the arrangement shown in Figs. 3A and 3B.
- the resonance frequency was 3.13 GHz.
- the first slot 4 in the embodiment 14 is set to the second slot 5 and the spiral centers 01 and 02 of both slots are set as rotation axes.
- the resonance frequency is 2.69 GHz, and the resonance phenomenon occurs at the resonance frequency lower than that of the comparative examples 11, 12, and 14 as well. It was possible to express.
- the number of turns of the two spiral shapes is set to different values, for example, the number of turns of the spiral shape of the first slot 4 is set to three times, and the number of turns of the spiral shape of the second slot 5 is set to 1
- the same effect was obtained when the number of times was 25.
- the number of turns of the spiral shape of the first slot 4 and the second slot 5 is different from each other, the same effect is more remarkable.
- the slot width of each of the first slot 4 and the second slot 5 is individually set to 200 ⁇ m.
- the resonance frequency is increased to 250 ⁇ m and 300 ⁇ m! Even in the case of deviation, the resonance frequency must be reduced in the same manner as in Example 11 The advantage was that it was possible.
- Example 1-6 In the resonator of Example 1-6, under the same conditions as Example 1-1, a square shape of 2000 m on a side, on which the first slot 4 and the second slot 5 are formed, is formed.
- the first ground conductor layer 2 and the second ground conductor layer 3 are arranged at a pitch of 600 m on the border of a square area with a side of 2400 ⁇ m, each located 200 ⁇ m outward from the area.
- 16 connecting through-conductors 8 having a diameter of 200 m are connected.
- the resonance frequency was 1.91 GHz, which was slightly higher than the resonance frequency of Example 1-1, although the advantageous effects of the first embodiment were reduced.
- an additional substrate having a thickness of 130 m and a dielectric constant of 10.2 was bonded to the resonator of Example 1-1 to produce a resonator of Example 17.
- the eleventh embodiment has a structure in which two spiral slots are stacked and arranged.However, in the seventeenth embodiment, the number of stacked spiral slots is increased to three. . That is, the additional substrate (third dielectric substrate) is laminated on the surface of the resin substrate via the second ground conductor layer 3, and an additional ground conductor layer (second (Three ground conductor layers), and a third slot was formed in this ground conductor layer.
- Example 1-7 the spiral shape of the third slot and the first slot 4 is set to the same winding direction, and is different from the winding direction of the spiral of the second slot 5 disposed therebetween.
- the entire cross-coupled resonator structure can be set to have the longest resonator length, and the frequency is lower than that of Comparative Example 11 and Example 11.1.5 A resonance phenomenon at 54 GHz can be obtained. did it.
- Comparative Example 1-3 a resonator having the same conditions as in Example 1-1 was used. And a diameter connecting the first ground conductor layer and the second ground conductor layer at a center point of a 2,000 m-square area which is a spiral formation area of the first slot and the second slot. One additional 200 m connection through conductor was placed.
- the resonance frequency of the resonator of Comparative Example 13 was 5.21 GHz, which was higher than the resonance frequencies of the resonators of Comparative Example 11 and Comparative Example 12. It was not possible to obtain an advantageous effect like the resonator of the first embodiment.
- FIG. 5A is a cross-sectional view illustrating a structure of a resonator 20 according to a second embodiment of the present invention.
- the same components as those in FIGS. 1A, 1B, and 1C are denoted by the same reference numerals, and description thereof will be omitted.
- the multilayer dielectric substrate 21 has a laminated structure of a first dielectric substrate 6 and a second dielectric substrate 7.
- the ground conductor layer 2 i.e., the first ground conductor layer 2 in the first embodiment described above
- the ground conductor layer 2 is attached to the portion where the front surface 6a of the first dielectric substrate 6 is bonded to the back surface 7b of the second dielectric substrate 7. Is formed).
- a conductor wiring layer 23 is formed on the surface 7a of the second dielectric substrate 7, that is, on the surface of the multilayer dielectric substrate 21, a conductor wiring layer 23 is formed.
- FIG. 5B shows a top view of the conductor wiring layer 23 included in the resonator 20 of FIG. 5A
- FIG. 5C shows a top view of the ground conductor layer 2.
- a spiral slot 4 (that is, equivalent to the first slot 4 of the first embodiment) is formed in a part of the ground conductor layer 2.
- a spiral-shaped spiral conductor wiring 25 is formed on the conductor wiring layer 23.
- the slot 4 and the spiral conductor wiring 25 are formed, for example, in a square area having the same size, and are formed in a spiral shape having the same wiring width, the minimum width between the wirings, and the number of spiral turns, respectively. .
- the spiral center Ol of the slot 4 and the spiral center 03 of the spiral conductor wiring 25 are determined by the force in the stacking direction of the dielectric substrates 6 and 7.
- the slot 4 and the spiral conductor wiring 25 are arranged so as to match each other. Further, the slot 4 and the spiral conductor wiring 25 are spirally connected to the slot 4 so that the outer edges of the square forming area of the spiral conductor wiring 25 substantially coincide with each other. Conductive wiring 25 is arranged.
- the resonance frequency obtained in the case where the spiral conductor wiring 25 does not exist and a resonator structure including only the slot 4 is employed is assumed to be fl, and conversely, the slot 4 does not exist.
- the resonance frequency obtained when a resonator structure including only the spiral conductor wiring 25 is adopted is assumed to be f3.
- the relationship between the resonance frequencies fl and f3 obtained when the slot 4 or the spiral conductor wiring 25 exists alone as described above is based on the difference in the permittivity distribution of the dielectric around the slot 4 or the spiral conductor wiring 25. As a result, fl ⁇ f3.
- the square area, which is the area where the slot 4 is formed, and the square area, which is the area where the spiral conductor wiring 25 is formed, have portions that vertically overlap each other in the lamination direction, and are cross-coupled to each other. .
- the slot 4 and the spiral conductor wiring 25 so as to obtain a cross-coupling capacitance in a wide area, an effect of effectively increasing the effective permittivity can be obtained.
- the spiral winding direction of the slot 4 and the spiral winding direction of the spiral conductor wiring 25 are set to be opposite to each other.
- the resonator length in the half-wave resonance mode in which both ends are open-terminated Is set to be the longest, and an effective reduction of the resonance frequency can be obtained.
- the resonance frequency fO of the resonator structure having the laminated structure of the slot 4 and the spiral conductor wiring 25 can be reduced.
- the resonator 20 of the second embodiment is longer than a conventional resonator having a structure in which adjacent slots arranged on the same plane are connected in series! A resonator in the U ⁇ half-wave resonance mode can be obtained according to the occupation area of one conventional resonator.
- the outer terminal portion 4a of the slot 4 and the helical conductor are arranged so that the outer terminal portion 25a of the wiring 25 is located at a position substantially symmetrical with respect to the center 03 of the spiral of the spiral conductor wiring 25.
- obtaining a lower resonance frequency is preferable from a viewpoint.
- the spiral conductor wiring 25 is formed of the second dielectric material.
- a configuration in which a spiral slot 4 formed on the front surface 7a of the substrate 7 is formed between the front surface 6a of the first dielectric substrate 6 and the back surface 7b of the second dielectric substrate 7 will be described.
- the configuration of the resonator 20 of the second embodiment is not limited only to such a case.
- the resonator in which the number of wiring layers formed by stacking the spiral-shaped slot 4 and the spiral conductor wiring 25 of the resonator 20 is set to 2 is set.
- the same effect can be obtained even if the number of wiring layers formed by stacking spiral circuits (that is, slots 4 and spiral conductor wiring 25) is expanded to three or more.
- the resonance phenomena at the lowest resonance frequency can be exhibited by setting the wiring layers so as to be opposite to each other.
- Examples 2-1 to 2-8 of the resonator of the second embodiment will be described.
- Table 3 summarizes Examples 2-1 to 2-4 and Table 4 summarizes Examples 2-5 to 2-8.
- a resin substrate having a dielectric constant of 10.2 and a thickness of 640 m is used as a base substrate (first dielectric substrate 6).
- a resin substrate (second dielectric substrate 7) having a dielectric constant of 10.2 and a thickness of 130 m is further bonded to the surface to form a multilayer dielectric substrate 21.
- a high-frequency circuit was manufactured based on the conditions shown in Example 2-1.
- a copper wiring having a thickness of 20 m was provided between the base substrate and the resin substrate inside the multilayer dielectric substrate 21. Further, as the conductor wiring layer 23, a copper wiring having a thickness of 20 m was also provided on the surface of the multilayer dielectric substrate 1, that is, on the surface of the resin substrate. In the ground conductor layer 2 and the conductor wiring layer 23, a spiral slot 4 having a square outer edge with a side of 2000 m and a spiral conductor wiring 25 were formed. The wiring pattern was formed by removing desired portions from the ground conductor layer 2 and the conductor wiring layer 23 by wet etching. The minimum wiring width of slots and wiring and the minimum gap distance between wiring were set to 200 m.
- the number of spiral turns was set to two for both spiral shapes.
- the winding directions of the spirals of the slot 4 and the spiral conductor wiring 25 were set to be opposite to each other.
- the resonator according to Example 2-1 having such a structure shows a resonance phenomenon at a frequency of 2.94 GHz.
- the obtained resonance frequency is 4. It was 1GHz.
- the obtained resonance frequency was 5.19 GHz. there were. It can be seen that the resonator of Example 2-1 exhibits a resonance phenomenon at a low resonance frequency as compared with the resonators of any of the comparative examples.
- the thickness dimension of the resin substrate (second dielectric substrate 7) additionally bonded onto the base substrate (first dielectric substrate 6) was set to 130 m in Example 2-1.
- the resonance frequency was 2.48 GHz.
- Example 2-1 the conditions are substantially the same as those in Example 2-1.
- the spiral direction of the spiral of the slot and the spiral conductor wiring is set to the same direction, and the resonators of Examples 2-3 are arranged so as to substantially overlap with each other in the spiral shape.
- the resonance frequency is 3.85 GHz, which is not as great as that of the resonator of Example 2-1.
- the resonance phenomenon occurs at a lower resonance frequency than the resonators of Comparative Examples 2-1 and 2-2. It was possible to express.
- the configuration is the same as that of Example 2-3, and the spiral conductor wiring is rotated by 180 degrees by a line connecting the spiral conductor wiring and the center of the spiral of the slot (that is, the outer terminal portions of the spirals are not rotated).
- a resin substrate having a further 130 m thickness and a dielectric constant of 10.2 was bonded to the resonator of Example 2-1 as a follow-up substrate, and the resonance of Examples 2-5 to 2-8 was performed.
- a vessel was made. That is, the additional substrate was laminated on the surface of the resin substrate (the second dielectric substrate 7) via the conductor wiring layer 23 to produce each resonator.
- the number of layers of the spiral-shaped circuit is set to two.
- the spiral shape is The number of stacked circuits has been expanded to three. In all the resonators, the resonance frequency was further reduced and! / ⁇ ⁇ advantageous effects were obtained.
- another ground conductor layer (second ground conductor layer) is additionally formed on the surface of the additional substrate, and the other ground conductor layer is formed.
- Nipple mouth A second slot was formed so as to overlap the respective formation regions of the slot 4 (first slot) and the spiral conductor wiring 25.
- the second slot has the same shape and the same spiral winding direction as the first slot.
- a resonance phenomenon at a frequency of 2.72 GHz was obtained.
- Example 2-5 with the surface of the additional substrate as the upper surface, a spiral-shaped slot (second slot) spiral conductor wiring 25 spiral-shaped slot (first slot 4) in order from the upper surface
- the resonator of Example 2-6 in which the laminated structure of each of the helical circuits was spiral conductor wiring-helical slot spiral conductor wiring was used.
- a resonance phenomenon was obtained at a frequency of 2.57 GHz.
- Examples 2-7 a resonator was manufactured in which the laminated structure of each spiral circuit was changed to a spiral conductor wiring, a spiral conductor wiring, and a spiral slot. In such a resonator of Example 2-7, a resonance phenomenon at a frequency of 2.35 GHz was obtained. Further, in Examples 2-8, a resonator was manufactured in which the laminated structure of each spiral circuit was changed to spiral conductor wiring, spiral slot, and spiral slot. In the resonator of Example 2-8, a resonance phenomenon at a frequency of 1.80 GHz was obtained.
- the spiral winding directions of the stacked spiral circuits are mutually different between the spiral circuits arranged adjacent to each other in the stacking direction.
- such an arrangement structure can effectively increase the resonator length, and in any of the resonators working in the above embodiments, the comparative examples 2-1 and 2-2 The resonance phenomenon occurred at a frequency of 2.72 GHz or lower, which is lower than that of the resonator or the resonator of Example 2-1.
- the number of turns of the two spiral shapes is set to different values, for example, the number of turns of the spiral shape of the slot 4 is three, and the number of spiral turns of the spiral conductor wiring 25 is 1.25.
- the same effect was obtained when However, the winding of each spiral circuit The effect of reducing the resonance frequency was stronger when the numbers were the same than when the numbers were different from each other.
- FIG. 6A is a cross-sectional view illustrating a structure of a resonator 30 according to a third embodiment of the present invention.
- the same reference numerals are used for the same components as those of the resonators described so far shown in FIG. 1A, FIG. 4A, and FIG. 5A and the description thereof is omitted.
- the multilayer dielectric substrate 21 has a laminated structure of the first dielectric substrate 6 and the second dielectric substrate 7.
- the ground conductor layer 2 i.e., the first ground conductor layer 2 in the first embodiment described above
- the ground conductor layer 2 is attached to the bonding position between the front surface 6a of the first dielectric substrate 6 and the back surface 7b of the second dielectric substrate 7. (Equivalent) is formed.
- a conductor wiring layer 23 is formed on the surface 7a of the second dielectric substrate 7, that is, on the surface of the multilayer dielectric substrate 21, a conductor wiring layer 23 is formed.
- FIG. 6B shows a top view of the conductor wiring layer 23 included in the resonator 20 shown in FIG. 6A
- FIG. 6C shows a top view of the ground conductor layer 2.
- a helical slot 4 (that is, equivalent to the first slot 4 of the first embodiment) is formed in a part of the ground conductor layer 2.
- a spiral-shaped spiral conductor wiring 25 is formed on the conductor wiring layer 23.
- the slot 4 and the spiral conductor wiring 25 are, for example, formed in a square area of the same size, and are formed in a spiral shape having the same wiring width, the minimum width between the wirings, and the number of spiral turns, respectively.
- the spiral center Ol of the slot 4 and the spiral center 03 of the spiral conductor wiring 25 are determined by the force in the stacking direction of the respective dielectric substrates 6 and 7.
- the slot 4 and the spiral conductor wiring 25 are arranged so as to match each other. Further, the slot 4 and the spiral conductor wiring 25 are spirally connected to the slot 4 so that the outer edges of the square forming area of the spiral conductor wiring 25 substantially coincide with each other. Conductive wiring 25 is arranged.
- the inside of the slot 4, that is, the groove-shaped portion in the slot 4 is filled with a dielectric.
- the resonance frequency obtained when the half-wavelength resonator structure is used is assumed to be fl, and conversely, the half-wavelength resonator structure that does not have the slot 4 and includes only the spiral conductor wiring 11 is used.
- the resonance frequency obtained in this case is f 3.
- the relationship between the resonance frequencies fl and f3 obtained when the slot 4 or the spiral conductor wiring 25 exists alone as described above is based on the dielectric constant of the dielectric around the slot 4 or the spiral conductor wiring 25. From the difference in distribution, fl ⁇ f3.
- the square region, which is the formation region of the slot 4, and the square region, which is the formation region of the spiral conductor wiring 25, have mutually overlapping portions and are cross-coupled to each other. Are arranged so that the cross-coupling capacitance can be obtained over a large area!
- the region inside the formation region of the slot 4 in the ground conductor layer 2 and the inner terminal portion 25b of the spiral of the spiral conductor wiring 25 are connected to each other.
- the connecting through conductor 8 is arranged so as to penetrate the second dielectric substrate 7.
- the inner region of the formation region of the slot 4 and the inner terminal portion 25b of the spiral conductor wiring 25 are connected to each other, not only the effect of effectively increasing the effective permittivity can be obtained, but also the overall effect. Since the resonator structure can function as a quarter-wavelength resonator, it is possible to reduce the circuit size of the resonator.
- the spiral winding direction of the slot 4 and the spiral winding direction of the spiral conductor wiring 25 are set to be opposite to each other. That is, the longest resonator length can be realized when a high-frequency current is supplied so as to rotate the helix in the same direction and two circuit structures are connected via cross-coupling.
- the outer portion of the slot 4 is completely ground-terminated in terms of high frequency, but the ground conductor extends along the spiral shape of the slot 4 to form a peripheral ground conductor.
- the phase is not completely terminated at the high frequency and the phase is rotated.
- a structure in which the spiral inner ground conductor 32 and the inner terminal portion 25b of the spiral conductor wiring 25 are connected by the connection through conductor 8 is employed.
- the rotated phase is further rotated to form a quarter-wavelength resonator that is open-ended at the outer end portion 25a of the spiral conductor wiring 25 along the spiral shape of the spiral conductor wiring 25.
- the length of the resonator can be effectively increased, and the resonance frequency can be effectively reduced.
- the resonance frequency fO of the resonator structure having the laminated structure of the slot 4 and the spiral conductor wiring 25 can be reduced, so that, for example, the resonance frequency fO is one half of the resonance frequency fl. Can be less than the value.
- a new resonator force having a longer resonator length than a conventional resonator having a structure in which adjacent slots arranged on the same plane are connected in series is used. It is obtained in the area occupied by the resonator.
- the comparison of the resonance frequency fO of the resonator 30 of the third embodiment is performed by grounding the inner terminal portion 25b of the spiral conductor wiring 25 having the same shape with the connection through conductor 8, and connecting the spiral conductor wiring 25 to the ground conductor layer 2. Even if the resonance frequency of quarter-wave resonance in a resonator with a force structure that does not form slot 4 is f4, the resonance frequency fO is smaller than f4 by the advance of the phase in slot 4. It can be a value.
- the resonator 30 according to the third embodiment produces a new resonance phenomenon at an extremely low frequency with a small circuit size, and produces an advantageous effect.
- a resin substrate having a dielectric constant of 10.2 and a thickness of 640 ⁇ m is used as a base substrate (first dielectric substrate 6), and the surface of the base substrate is Further, a resin substrate (second dielectric substrate 7) having a dielectric constant of 10.2 and a thickness of 130 m is attached to form a multilayer dielectric substrate 21.
- a high-frequency circuit was fabricated based on the conditions shown in 11.
- copper wiring having a thickness of 20 im was provided as the ground conductor layer 2 between the base substrate and the resin substrate inside the multilayer dielectric substrate 21.
- Copper wiring having the same thickness of 20 m was formed on the surface of the multilayer dielectric substrate 21, that is, on the surface of the resin substrate.
- a spiral slot 4 having a square outer edge with a side of 2000 m and a spiral conductor wiring 25 were formed, respectively.
- the wiring pattern was formed by removing desired portions from the ground conductor layer 2 and the conductor wiring layer 23 by wet etching. The minimum wiring width of each wiring and the minimum gap distance between the wirings were set to 200 m.
- the number of turns of the spiral is set to 2, and the winding directions of the spirals of the slot 4 and the spiral conductor wiring 23 are set to be opposite to each other, and the inner end portion 25b of the spiral conductor wiring 25 and the spiral of the slot 4 are set.
- the connection through conductor 8 having a diameter of 200 / zm was formed vertically (that is, in the stacking direction) so as to connect the ground conductor in the inner region surrounded by the shape to each other.
- the resonator according to Example 3-1 having such a structure exhibited a resonance phenomenon at a frequency of 1.63 GHz.
- the obtained resonance frequency is 5. It was 07 GHz.
- the obtained resonance frequency was 2.89 GHz.
- a connection through conductor having a diameter of 200 m was formed so as to connect the inner end portion of the spiral conductor wiring and the ground conductor layer as in Example 3-1.
- the resonance frequency of the resonator of Comparative Example 3-3 was 3.43 GHz.
- the resonator of Example 3-1 shows a resonance phenomenon at a low resonance frequency as compared with the resonators of any of the comparative examples, so that the advantageous effects of the third embodiment can be obtained.
- the thickness of the resin substrate (second dielectric substrate 7) additionally bonded onto the base substrate (first dielectric substrate 6) was set to 130 m in Example 3-1.
- the resonance frequency was 1.24 GHz, and further advantageous effects were obtained.
- Example 3-1 The conditions are substantially the same as those in Example 3-1.
- the spiral direction of the spiral of the slot 4 and the spiral conductor wiring 25 is set to the same direction, and the spiral shapes of the slot 4 and the spiral conductor wiring 25 are substantially overlapped and laminated.
- the resonance frequency was 2.42 GHz, and Although the effect of reducing the resonance frequency was less than that of Example 3-1, the resonance phenomenon could be exhibited at a lower resonance frequency than that of Comparative Examples 3-1 and 32.
- the resonance frequency is 2 At 30 GHz, although the effect of reducing the resonance frequency is less than that of Example 3-1, the resonance phenomenon is exhibited at a lower resonance frequency than that of Comparative Examples 3-1 and 3-2. It was possible.
- Example 3-1 a resin substrate having a thickness of 130 m and a dielectric constant of 10.2 was further bonded to the resonator of Example 3-1 as a follow-up substrate (that is, a third dielectric substrate).
- Example 3-5 A resonator having a 3-7 force was produced by bonding the additional substrate to the surface 7a of the dielectric substrate 7 via the conductor wiring layer 23.
- the number of layers of the spiral-shaped circuit that is, the slot 4 and the spiral conductor wiring 25 was limited to two.
- FIG. 7A is a cross-sectional view of the resonator 40 of Example 3-5
- FIG. 7B, FIG. 7C, and FIG. 7B are top views of respective spiral-shaped circuit forming layers included in the resonator 40. Shown in 7D.
- FIG. 8A is a cross-sectional view of the resonator 50 of Example 3-6
- FIGS. 8B, 8C, and 8C are top views of formation layers of respective spiral-shaped circuits included in the resonator 50. See Figure 8D.
- 9A is a cross-sectional view of the resonator 60 of Example 3-7
- FIG. 9B, FIG. 9C, and FIG. 9D are top views of respective spiral-shaped circuit forming layers included in the resonator 60. Shown in
- the additional substrate 47 on which the surface 7a of the second dielectric substrate 7 is bonded As shown in FIG. 7A, FIG. 7B, FIG. 7C, and FIG. 7D, in the resonator 40 of the embodiment 3-5, the additional substrate 47 on which the surface 7a of the second dielectric substrate 7 is bonded.
- a second ground conductor layer 42 is additionally formed on the surface 47a of the first conductor, and a spiral-shaped circuit is formed in a region where the slot 4 (first slot) is formed in the ground conductor layer 2 laminated below the lamination direction in the drawing.
- a second slot 44 was formed in an overlapping manner.
- the second slot 44 has the same shape and the same spiral winding direction as the first slot 4, and the spiral shape of the second slot 44, the spiral conductor wiring 25, and the first slot 4 Were set in opposite directions.
- the spiral conductor wiring 25 is connected to the ground conductor layer 2 in the area inside the first slot 4 using the connection through conductor 8 at the spiral inner end portion 25b, and further uses the connection through conductor 48.
- the frequency is 1.39 GHz, which is lower than the frequency of the shifted resonator of Example 3-1 and Comparative examples 3-1 and 3-2. A resonance phenomenon was obtained.
- the spiral structure, the spiral conductor wiring, and the spiral slot, in the downward direction in the stacking direction, are the highest in the stack structure of the spiral circuit.
- the helical slot on the upper surface is replaced with a second helical conductor wiring, and the second helical conductor wiring, the first helical conductor wiring, and a resonator having a laminated structure of a helical slot are used in Examples 3-6 and 3-7.
- Resonators 50 and 60 were manufactured. That is, as shown in FIGS. 8A to 8D and FIGS.
- the second conductor wiring layers 53, 63 are formed on the surfaces 57a, 67a of the additional substrates 57, 67, and the second conductor Resonators 50 and 60 in which second spiral conductor wirings 55 and 65 were formed in wiring layers 53 and 63 were manufactured.
- the spiral winding directions of the respective spiral circuits close to the laminating direction are opposite to each other. As shown in FIGS.
- the first spiral conductor wiring 25 and the second spiral conductor wiring 65 are the first spiral conductor Electrical connection was made at the outer end 25a of the wiring 25 using the connection through conductor 68.
- the first spiral conductor wiring 25 and the second spiral conductor wiring 55 are electrically connected. Instead, the coupling was achieved only by coupling with the cross-coupling capacity. In the resonator 50 of Example 3-6 having such a structure, a resonance phenomenon was obtained at 1.41 GHz, and in the resonator 60 of Example 3-7, a resonance phenomenon was obtained at 0.98 GHz. .
- the three helical resonators arranged close to each other have a shape opposite to each other. It has a multilayer structure of resonators, and although there is a common point that all spiral structures adjacent to each other are connected by connecting through conductors, the terminal point of the resonator is the same as the terminal point of the spiral structure of the slot type. Is set. Therefore, compared to the resonator 40 of the embodiment 3-5 in which the entire resonator structure behaves like a half-wavelength resonator, the spiral conductor wiring with one end grounded is included. On the other hand, the resonator 60 of Example 3-7, in which the entire resonator structure behaves like a quarter-wavelength resonator, was able to exhibit a resonance phenomenon at a lower resonance frequency.
- the structure of the resonator 50 of the embodiment 3-6 is similar to the resonator 60 of the embodiment 3-7, but the two spiral conductor wirings are not connected by the connection through conductor. Therefore, the structure of the resonator 50 of the embodiment 3-6 is a quarter-wavelength resonator structure including the slot and the first spiral conductor wiring, and a half-wavelength resonator structure including the half-wavelength resonator. A resonator structure is formed in which the two spiral conductor wirings are weakly coupled via the cross coupling capacitance.
- the structure of the resonator 60 of Example 3-7 is different from that of the first embodiment in that the resonator structure, in which the first spiral conductor wiring and the second spiral conductor wiring are strongly coupled, is directly coupled to the slots, so that A quarter-wave resonator structure with strong coupling can be formed, making it possible to obtain the lowest resonance frequency
- FIG. 10A is a cross-sectional view illustrating a configuration of a resonator 70 according to a fourth embodiment of the present invention. Show.
- the same reference numerals are used for the same components as those of the resonator described in each of the above embodiments, and description thereof is omitted.
- the multilayer dielectric substrate 21 has a laminated structure of a first dielectric substrate 6 and a second dielectric substrate 7.
- a conductor wiring layer 73 is formed at a portion where the front surface 6a of the first dielectric substrate 6 is bonded to the back surface 7b of the second dielectric substrate 7.
- a first ground conductor layer 72 is formed on the surface 7a of the second dielectric substrate 7, that is, on the surface of the multilayer dielectric substrate 21.
- FIG. 10B shows a top view of the first ground conductor layer 72 provided in the resonator 70 of FIG. 10A
- FIG. 10C shows a top view of the conductor wiring layer 73.
- a helical slot 74 is formed in the first ground conductor layer 72
- a helical spiral conductor wiring is formed in the conductor wiring layer 73, as shown in FIG. 10C. 75 is formed.
- the center of the spiral of the slot 74 and the center of the spiral of the spiral conductor wiring 73 are arranged so as to coincide with each other.
- the outer edges of the formation region are also arranged so as to coincide with each other.
- the winding directions of the respective spirals are opposite to each other.
- the resonator 70 has a stacked structure in the order of the first ground conductor layer 72, the conductor wiring layer 73, and the second ground conductor layer 71 in the stacking direction. Note that no slot is formed in the second ground conductor layer 71.
- the connection through conductor 78 connects the first dielectric substrate 6 so as to connect the inner terminal portion 75b of the spiral conductor wiring 75 and the second ground conductor layer 71. It is arranged so as to penetrate in the laminating direction.
- the multilayer dielectric substrate 21 having a laminated structure of the first dielectric substrate 6 and the second dielectric substrate 7 is an example of the dielectric substrate.
- a first ground conductor layer 72 is formed on the front surface 21a of the multilayer dielectric substrate 21, and a second ground conductor layer 71 is formed on the rear surface 21b of the multilayer dielectric substrate 21.
- a conductor wiring layer is provided between the ground conductor layers 71 and 72, that is, at the bonding position of the first dielectric substrate 6 and the second dielectric substrate 7 which is the inner layer surface of the multilayer dielectric substrate 21. 73 formed Yes.
- resonator 70 of the fourth embodiment having such a structure, a longer V, than the conventional resonator having a structure in which respective slots arranged adjacently on the same plane are coupled in series.
- a resonance phenomenon of a new U having a resonator length and a half-wave resonance mode can be obtained for an area occupied by one conventional resonator.
- the effective distance between the terminal points at both ends of the slot 74 is the resonator length of the half-wavelength resonator.
- the resonator according to the fourth embodiment for example, in a half-wavelength resonance mode in which the outer end portion 74a of the slot 74 is a reflection point at one end, the high-frequency current flows out of the outermost portion of the spiral. After flowing along the slot portion, it moves to the spiral conductor wiring 75 via the cross coupling capacitance before reaching the terminal point 74b of the slot portion.
- the resonance structure functions as a half-wavelength resonator, which is inferior in reducing the circuit area.
- the connection through conductor 78 that requires a relatively large area to a narrow portion at the center of the slot forming region, which is advantageous in manufacturing in terms of!
- the configuration of the resonator of the fourth embodiment is the configuration having the smallest circuit occupation area.
- Example 4-1 of such a resonator a resin substrate having a dielectric constant of 10.2 and a thickness of 640 m was used as a base substrate 6 (first dielectric substrate 6), and the surface of the base substrate 6 was Then, a resin substrate 7 (second dielectric substrate 7) having a dielectric constant of 10.2 and a thickness of 130 m is attached to form a multilayer dielectric substrate 21.
- a resonator in which a high-frequency circuit having a laminated structure according to the embodiment was formed. Specifically, a copper wiring having a thickness of 20 m was formed on the surface of the multilayer dielectric substrate 21 as the first ground conductor layer 72.
- a copper wiring having a thickness of 20 / zm was also provided on the back surface of the multilayer dielectric substrate 21.
- a copper wiring having the same thickness of 20 m was provided inside the multilayer dielectric substrate 21, that is, at the place where the base substrate 6 and the resin substrate 7 were bonded.
- a square spiral slot 74 and a spiral conductor wiring 75 each having a side of 20000 ⁇ m were formed.
- such a wiring pattern was formed by removing desired portions from the first ground conductor layer 72 and the conductor wiring layer 73 by wet etching.
- the minimum wiring width of each wiring and the minimum gap distance between the wirings were set to 200 m.
- the number of turns of the spiral was set to 2.5 times for the slot 74 and to twice for the spiral conductor wiring 75, and the spiral winding directions of the slot 74 and the spiral conductor wiring 75 were set to be opposite.
- the inner terminal portion 75b of the spiral conductor wiring 75 and the second ground conductor layer 71 were connected via a connection through conductor 78 having a diameter of 200 ⁇ m.
- the resonator of Example 4-1 having such a configuration exhibited a resonance phenomenon at 1.72 GHz. This value is lower than the resonance frequency of 2.91 GHz shown in the resonator of Comparative Example 41 in which the connection through conductor is deleted from Example 41, and the advantageous effect of the fourth embodiment is obtained. It has been shown.
- FIG. 11A is a cross-sectional view showing a connection structure between the resonator 80 and the external circuit as an example of such a connection form with the external circuit. Further, in the resonator 10 of FIG. 11A, a plan view from the back surface of the first dielectric substrate 6 is shown in FIG. 11B, and a plan view from the back surface of the first ground conductor layer 2 is shown in FIG. 11C.
- the first dielectric substrate 6 including the first dielectric substrate 6 and the second dielectric substrate 7, the first dielectric substrate 6
- the ground conductor layer 2 and the second ground conductor layer 3 are formed to form a resonator 80 having a laminated structure of the first slot 4 and the second slot 5.
- the back surface of the multilayer dielectric substrate A signal conductor wiring 81 to be connected to an external circuit (not shown) is formed in the wiring.
- FIG.11C the position of the first slot 4 in the first ground conductor layer 2 is shown, and the overlap between the signal conductor wiring 81 and the first slot 4 is understood.
- the projection of the signal conductor wiring 81 onto the first ground conductor layer 2 is also shown at the same time.
- the transmission line 85 composed of the signal conductor wiring 81 and the first ground conductor layer 2 thus formed is shown as a microstrip line structure in the figure, but is realized by a slot line, a coplanar line, or the like. May be.
- the signal conductor wiring 81 may be formed on the inner layer surface of the multilayer dielectric substrate 1 on the inner surface of the substrate.
- the signal conductor wiring 81 When the signal conductor wiring 81 is formed on a surface different from the surface on which the resonator 80 is formed, the signal conductor wiring 81 may be arranged so as to overlap a part of the resonator 80. Thus, sufficient coupling between the signal conductor wiring 81 and the resonator 80 can be obtained. At this time, the signal conductor wiring 81 does not have to be open-ended. Further, the terminal shape of the signal conductor wiring 81 may be a ring shape.
- the conductor wiring layer 23 is formed between the first dielectric substrate 6 and the second dielectric substrate 7, and the second dielectric substrate 7 It has a laminated structure in which the ground conductor layer 2 is formed on the surface 7a of the substrate.
- a spiral conductor wiring 25 is formed in the conductor wiring layer 23, and a slot 4 is formed in the ground conductor layer 2.
- signal conductor wiring 91 is formed by using at least one of the surfaces on which resonator 90 is formed, for example, by using the layer on which conductor wiring layer 23 is formed. Further, the signal conductor wiring 91 is arranged adjacent to the spiral conductor wiring 25. As described above, the resonator 90 is formed, the signal conductor wiring 91 is formed using at least one of the surfaces, and the formed signal conductor wiring 91 is arranged so as to be adjacent to a part of the resonator 90. Thus, the coupling S between the signal conductor wiring 91 and the resonator 90 can be obtained. Therefore, if the signal conductor wiring 91 is connected to an external circuit (not shown), the resonator 9 0 can be used in combination with the external circuit.
- connection structure between the resonator and the external circuit as described above the number of resonators to be installed is not limited to one, and a plurality of resonators may be collectively arranged. I know.
- An example of a connection structure between a resonator having such a collective arrangement and a transmission line (signal conductor wiring) is shown in a schematic perspective view of FIG. Note that FIG. 13 is a transparent perspective view which is closest to the outermost surface of the multilayer structure substrate 101 including the resonator group 110 in which the plurality of resonators 100 are arranged and arranged, and partially shows only the layer structure. .
- a transmission line 102 is formed on the surface of a multilayer dielectric substrate 101.
- the group of resonators 110 arranged collectively can cause strong modulation on the transmission characteristics of the transmission line 31, and can be applied to a high-frequency device such as a transfer device and a filter. It becomes possible.
- the force describing the configuration in which the upper surface of the second dielectric substrate is set to air is limited to only such a case. It is not something that can be done. Instead of such a case, for example, even when a third dielectric substrate is set on the upper surface of the second dielectric substrate, the advantageous effects of the present invention can be obtained.
- the resonators according to the first to fourth embodiments of the present invention it is effective to increase the cross capacitive coupling between the stacked circuits in order to obtain the effect of reducing the resonance frequency.
- the dielectric constant ⁇ 6 of the first dielectric substrate 6 and the dielectric constant ⁇ 7 of the second dielectric substrate 7 are set to have a relationship of ⁇ 6 and ⁇ 7 to further reduce the resonance frequency. Advantageous effects can be obtained.
- the resonator according to the present invention has a helical slot set in the ground conductor layer and a helical slot or signal conductor wiring set in a layer different from the slot, and is useful as a small resonator. It is. It can be widely applied to communication fields such as filters, antennas, phase shifters, switches, and oscillators, and can be used in various fields that use wireless technologies such as power transmission and ID tags.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2005514772A JP3955308B2 (ja) | 2003-10-15 | 2004-10-14 | 共振器 |
US11/237,795 US7164332B2 (en) | 2003-10-15 | 2005-09-29 | Resonator |
US11/636,493 US7466214B2 (en) | 2003-10-15 | 2006-12-11 | Resonator |
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JP2003354817 | 2003-10-15 | ||
JP2003-354817 | 2003-10-15 |
Related Child Applications (1)
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US11/237,795 Continuation US7164332B2 (en) | 2003-10-15 | 2005-09-29 | Resonator |
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WO2005038977A1 true WO2005038977A1 (ja) | 2005-04-28 |
Family
ID=34463152
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PCT/JP2004/015142 WO2005038977A1 (ja) | 2003-10-15 | 2004-10-14 | 共振器 |
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US (2) | US7164332B2 (ja) |
JP (1) | JP3955308B2 (ja) |
CN (1) | CN100477375C (ja) |
WO (1) | WO2005038977A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023054633A1 (ja) * | 2021-09-29 | 2023-04-06 | パナソニックIpマネジメント株式会社 | 多層デバイス |
RU2812810C2 (ru) * | 2021-04-26 | 2024-02-02 | Николай Иванович Войтович | Способ возбуждения щелевой антенны многопетлевым проводником и устройство для его реализации |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4636950B2 (ja) * | 2005-06-22 | 2011-02-23 | 株式会社日立メディアエレクトロニクス | 伝送回路、アンテナ共用器、高周波スイッチ回路 |
JP5380919B2 (ja) * | 2008-06-24 | 2014-01-08 | 日本電気株式会社 | 導波路構造およびプリント配線板 |
US8890761B2 (en) * | 2008-08-01 | 2014-11-18 | Nec Corporation | Structure, printed circuit board, antenna, transmission line to waveguide converter, array antenna, and electronic device |
JP5326649B2 (ja) | 2009-02-24 | 2013-10-30 | 日本電気株式会社 | アンテナ、アレイアンテナ、プリント基板、及びそれを用いた電子装置 |
CN101998757A (zh) * | 2009-08-26 | 2011-03-30 | 鸿富锦精密工业(深圳)有限公司 | 印刷电路板及其带通滤波器 |
US9000307B2 (en) * | 2010-03-08 | 2015-04-07 | Nec Corporation | Structure, circuit board, and circuit board manufacturing method |
TW201201634A (en) * | 2010-06-17 | 2012-01-01 | Hon Hai Prec Ind Co Ltd | Printed circuit board |
JP5725032B2 (ja) * | 2010-09-28 | 2015-05-27 | 日本電気株式会社 | 構造体及び配線基板 |
FR2999377B1 (fr) | 2012-12-12 | 2018-10-19 | Thales | Procede de realisation de motifs resonnants adaptes a la realisation de fonctions passives rf |
WO2014171091A1 (ja) * | 2013-04-18 | 2014-10-23 | パナソニック株式会社 | 共鳴結合器 |
WO2015104409A1 (en) * | 2014-01-13 | 2015-07-16 | Thomson Licensing | Slot line resonator for filters |
WO2015114004A1 (en) * | 2014-01-31 | 2015-08-06 | Thomson Licensing | Slot line resonator |
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JPH0537214A (ja) * | 1991-07-26 | 1993-02-12 | Tdk Corp | 多層基板による共振器 |
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US969096A (en) * | 1909-12-20 | 1910-08-30 | Frank M Fleming | Bicycle-seat. |
US3715692A (en) * | 1972-01-10 | 1973-02-06 | Us Army | Microstrip-slot line phase shifter |
US4598276A (en) * | 1983-11-16 | 1986-07-01 | Minnesota Mining And Manufacturing Company | Distributed capacitance LC resonant circuit |
US6075427A (en) * | 1998-01-23 | 2000-06-13 | Lucent Technologies Inc. | MCM with high Q overlapping resonator |
CN1161880C (zh) * | 1999-09-21 | 2004-08-11 | 株式会社村田制作所 | 电感电容滤波器 |
-
2004
- 2004-10-14 WO PCT/JP2004/015142 patent/WO2005038977A1/ja active Application Filing
- 2004-10-14 JP JP2005514772A patent/JP3955308B2/ja not_active Expired - Fee Related
- 2004-10-14 CN CNB2004800299342A patent/CN100477375C/zh active Active
-
2005
- 2005-09-29 US US11/237,795 patent/US7164332B2/en active Active
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JPH0537214A (ja) * | 1991-07-26 | 1993-02-12 | Tdk Corp | 多層基板による共振器 |
JP2000244213A (ja) * | 1998-12-22 | 2000-09-08 | Murata Mfg Co Ltd | 共振器、フィルタ、デュプレクサおよび通信装置 |
JP2001077609A (ja) * | 1999-02-23 | 2001-03-23 | Murata Mfg Co Ltd | 誘電体共振器、インダクタ、キャパシタ、誘電体フィルタ、発振器、誘電体デュプレクサおよび通信装置 |
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RU2812810C2 (ru) * | 2021-04-26 | 2024-02-02 | Николай Иванович Войтович | Способ возбуждения щелевой антенны многопетлевым проводником и устройство для его реализации |
WO2023054633A1 (ja) * | 2021-09-29 | 2023-04-06 | パナソニックIpマネジメント株式会社 | 多層デバイス |
Also Published As
Publication number | Publication date |
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US20060017527A1 (en) | 2006-01-26 |
US20070090901A1 (en) | 2007-04-26 |
US7466214B2 (en) | 2008-12-16 |
CN1868088A (zh) | 2006-11-22 |
JPWO2005038977A1 (ja) | 2007-02-08 |
CN100477375C (zh) | 2009-04-08 |
JP3955308B2 (ja) | 2007-08-08 |
US7164332B2 (en) | 2007-01-16 |
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