DE2047229A1 - Mikrowellenbauelement - Google Patents
MikrowellenbauelementInfo
- Publication number
- DE2047229A1 DE2047229A1 DE19702047229 DE2047229A DE2047229A1 DE 2047229 A1 DE2047229 A1 DE 2047229A1 DE 19702047229 DE19702047229 DE 19702047229 DE 2047229 A DE2047229 A DE 2047229A DE 2047229 A1 DE2047229 A1 DE 2047229A1
- Authority
- DE
- Germany
- Prior art keywords
- dielectric
- component
- strontium
- range
- barium
- 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
- 239000000463 material Substances 0.000 claims description 50
- 239000003989 dielectric material Substances 0.000 claims description 41
- 239000000203 mixture Substances 0.000 claims description 26
- 150000001875 compounds Chemical class 0.000 claims description 20
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 15
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 14
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 14
- 229910052719 titanium Inorganic materials 0.000 claims description 14
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 11
- 229910052726 zirconium Inorganic materials 0.000 claims description 11
- WOIHABYNKOEWFG-UHFFFAOYSA-N [Sr].[Ba] Chemical compound [Sr].[Ba] WOIHABYNKOEWFG-UHFFFAOYSA-N 0.000 claims description 10
- 229910052788 barium Inorganic materials 0.000 claims description 10
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 8
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 239000011575 calcium Substances 0.000 claims description 8
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 7
- 229910052712 strontium Inorganic materials 0.000 claims description 7
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 7
- FFQALBCXGPYQGT-UHFFFAOYSA-N 2,4-difluoro-5-(trifluoromethyl)aniline Chemical compound NC1=CC(C(F)(F)F)=C(F)C=C1F FFQALBCXGPYQGT-UHFFFAOYSA-N 0.000 claims description 6
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 claims description 6
- 229910002113 barium titanate Inorganic materials 0.000 claims description 5
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 5
- DJOYTAUERRJRAT-UHFFFAOYSA-N 2-(n-methyl-4-nitroanilino)acetonitrile Chemical compound N#CCN(C)C1=CC=C([N+]([O-])=O)C=C1 DJOYTAUERRJRAT-UHFFFAOYSA-N 0.000 claims description 4
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021523 barium zirconate Inorganic materials 0.000 claims description 3
- DQBAOWPVHRWLJC-UHFFFAOYSA-N barium(2+);dioxido(oxo)zirconium Chemical compound [Ba+2].[O-][Zr]([O-])=O DQBAOWPVHRWLJC-UHFFFAOYSA-N 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 239000006104 solid solution Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical group [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 229910052715 tantalum Chemical group 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 2
- 229910000018 strontium carbonate Inorganic materials 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/486—Fine ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/49—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
- H01P1/2084—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
- H01P3/08—Microstrips; Strip lines
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Inorganic Insulating Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6057969A GB1268811A (en) | 1969-04-22 | 1969-04-22 | Improvements in or relating to microwave devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2047229A1 true DE2047229A1 (de) | 1971-06-16 |
Family
ID=10485778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702047229 Pending DE2047229A1 (de) | 1969-12-11 | 1970-09-25 | Mikrowellenbauelement |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3713051A (enrdf_load_html_response) |
| JP (1) | JPS5128178B1 (enrdf_load_html_response) |
| CA (1) | CA921692A (enrdf_load_html_response) |
| DE (1) | DE2047229A1 (enrdf_load_html_response) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3125763A1 (de) * | 1980-07-07 | 1982-04-01 | Fujitsu Ltd., Kawasaki, Kanagawa | Dielektrisches filter |
| US4607018A (en) * | 1983-12-19 | 1986-08-19 | Murata Manufacturing Co., Ltd. | Non-reducible temperature compensation dielectric ceramic composition |
| EP0166333A3 (de) * | 1984-06-18 | 1987-05-27 | NGK Spark Plug Co. Ltd. | Dielektrisches keramikmaterial für den Einsatz im Hochfrequenzbereich |
| US4677083A (en) * | 1984-01-24 | 1987-06-30 | Sony Corporation | Method for manufacturing dielectric fine powder of Ba1-x Srx TiO3 |
| DE3821071A1 (de) * | 1987-06-22 | 1989-01-05 | Murata Manufacturing Co | Dielektrischer filter |
| EP0392417A1 (fr) * | 1989-04-13 | 1990-10-17 | Alcatel Espace | Filtre à résonateur diélectrique |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896545A (en) * | 1973-10-12 | 1975-07-29 | Gen Dynamics Corp | Method of making a molded waveguide filter with integral tuning posts |
| US3969814A (en) * | 1975-01-15 | 1976-07-20 | Trw Inc. | Method of fabricating waveguide structures |
| JPS5367656U (enrdf_load_html_response) * | 1976-11-09 | 1978-06-07 | ||
| JPS5826843B2 (ja) * | 1977-11-08 | 1983-06-06 | 松下電器産業株式会社 | 帯域通過濾波器 |
| US4121941A (en) * | 1977-11-10 | 1978-10-24 | Matsushita Electric Industrial Co., Ltd. | Low microwave loss ceramics and method of manufacturing the same |
| FR2431773A1 (fr) * | 1978-07-21 | 1980-02-15 | Thomson Csf | Filtre hyperfrequence a resonateurs en dielectrique et materiel pour telecommunications muni d'un tel filtre |
| FR2489605A1 (fr) * | 1980-08-29 | 1982-03-05 | Thomson Csf | Filtre hyperfrequence a resonateur dielectrique, accordable dans une grande largeur de bande, et circuit comportant un tel filtre |
| US4365221A (en) * | 1981-03-30 | 1982-12-21 | Motorola Canada Limited | Helical resonator filter with dielectric apertures |
| US4431977A (en) * | 1982-02-16 | 1984-02-14 | Motorola, Inc. | Ceramic bandpass filter |
| US4462098A (en) * | 1982-02-16 | 1984-07-24 | Motorola, Inc. | Radio frequency signal combining/sorting apparatus |
| US4426631A (en) | 1982-02-16 | 1984-01-17 | Motorola, Inc. | Ceramic bandstop filter |
| USRE32768E (en) * | 1982-02-16 | 1988-10-18 | Motorola, Inc. | Ceramic bandstop filter |
| FR2534088B1 (fr) * | 1982-10-01 | 1988-10-28 | Murata Manufacturing Co | Resonateur dielectrique |
| US4661790A (en) * | 1983-12-19 | 1987-04-28 | Motorola, Inc. | Radio frequency filter having a temperature compensated ceramic resonator |
| JPS6161503A (ja) * | 1984-08-31 | 1986-03-29 | Murata Mfg Co Ltd | 誘電体共振器 |
| US5329687A (en) * | 1992-10-30 | 1994-07-19 | Teledyne Industries, Inc. | Method of forming a filter with integrally formed resonators |
| SE507086C2 (sv) * | 1996-03-27 | 1998-03-30 | Ericsson Telefon Ab L M | Fixering av dielektriska resonatorer |
| US6097271A (en) * | 1997-04-02 | 2000-08-01 | Nextronix Corporation | Low insertion phase variation dielectric material |
| KR100339097B1 (ko) * | 2000-03-16 | 2002-05-31 | 장형식 | 마이크로파용 유전체 조성물 및 그 제조방법 |
| CA2313925A1 (en) * | 2000-07-17 | 2002-01-17 | Mitec Telecom Inc. | Tunable bandpass filter |
| WO2016172144A1 (en) * | 2015-04-23 | 2016-10-27 | University Of Florida Research Foundation, Inc. | Method for the generation of power |
| CN114773056B (zh) * | 2022-05-11 | 2023-03-24 | 丽智电子（南通）有限公司 | 一种npo mlcc用陶瓷材料的助烧剂、陶瓷材料及制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2626220A (en) * | 1947-05-20 | 1953-01-20 | Thurnauer Hans | Insulating materials |
| GB755860A (en) * | 1953-12-12 | 1956-08-29 | George Victor Planer | Improvements in or relating to electrical ceramics |
| NL135251C (enrdf_load_html_response) * | 1963-02-22 | |||
| US3534286A (en) * | 1967-05-16 | 1970-10-13 | Litton Precision Prod Inc | Microwave attenuator comprising aluminum oxide and aluminum titanate usable in a microwave tube |
| US3534301A (en) * | 1967-06-12 | 1970-10-13 | Bell Telephone Labor Inc | Temperature compensated integrated circuit type narrowband stripline filter |
-
1970
- 1970-06-29 CA CA086737A patent/CA921692A/en not_active Expired
- 1970-07-06 JP JP45058995A patent/JPS5128178B1/ja active Pending
- 1970-09-25 DE DE19702047229 patent/DE2047229A1/de active Pending
- 1970-11-18 US US00090655A patent/US3713051A/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3125763A1 (de) * | 1980-07-07 | 1982-04-01 | Fujitsu Ltd., Kawasaki, Kanagawa | Dielektrisches filter |
| US4607018A (en) * | 1983-12-19 | 1986-08-19 | Murata Manufacturing Co., Ltd. | Non-reducible temperature compensation dielectric ceramic composition |
| US4677083A (en) * | 1984-01-24 | 1987-06-30 | Sony Corporation | Method for manufacturing dielectric fine powder of Ba1-x Srx TiO3 |
| EP0166333A3 (de) * | 1984-06-18 | 1987-05-27 | NGK Spark Plug Co. Ltd. | Dielektrisches keramikmaterial für den Einsatz im Hochfrequenzbereich |
| DE3821071A1 (de) * | 1987-06-22 | 1989-01-05 | Murata Manufacturing Co | Dielektrischer filter |
| EP0392417A1 (fr) * | 1989-04-13 | 1990-10-17 | Alcatel Espace | Filtre à résonateur diélectrique |
| FR2646022A1 (fr) * | 1989-04-13 | 1990-10-19 | Alcatel Espace | Filtre a resonateur dielectrique |
| US5027090A (en) * | 1989-04-13 | 1991-06-25 | Alcatel Espace | Filter having a dielectric resonator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5128178B1 (enrdf_load_html_response) | 1976-08-17 |
| US3713051A (en) | 1973-01-23 |
| CA921692A (en) | 1973-02-27 |
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