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題名：Synthesized Crystal Structure and Microwave Characteristics in Bandpass Filter of Dielectric Resonator Ba2Ti9O20 Ceramics
書刊名：師大學報
作者：鄭秀鳳
作者(外文)：Cheng, Hsiu-fung
出版日期：1996
卷期：41
頁次：頁453-474
主題關鍵詞：Microwave bandpass filter；Dielectric resonator；Ba2Ti9O20；微波帶通濾波器；介電共振器
原始連結：連回原系統網址new window
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　　　　　本研究已成功設計出一種消散型帶通濾波器，其共振頻率f��=5.10 GHz及帶寬 △f=0.0345GHz，可用來測試Ba�� Ti�板�洹鰹ぜ野峎陘飪q共振器的可行性。長方形共振腔 的寬度影響元件之微波截止頻率甚為顯著，然而共振腔長度對元件的影響則較不明顯。另一 方面，在共振腔中插入介電物質會降低截止頻率。所通過微波頻帶的中心頻率與介電共振器 的共振頻率相同。至於合成Ba�� Ti�板�洶飪q共振器材料的方法，以有機金屬物噴霧熱解法 較優於共沉法。利用噴霧熱解法可以完全消除BaTi�淋�炊咷aTi�Μ�V中間相的形成。
　　　　　An evanescent bandpass filter with resonance frequency f�� =5.10 GHz and band width △f=0.00345 GHz has been designed for testing the feasibility of using Ba�� Ti�� O�� materials as dielectric resonators. The width of the rectangular cavity was found to affect the cutoff frequency of the device most significantly, while the length of the cavity has least influence. The insertion of the dielectrics, on the other hand, lowers the cutoff frequency. The center frequency of the passing band is the same as the resonance frequency of the dielectric resonators. As to the synthesis of the materials for dielectric resonators, i.e., Ba�� Ti�� O��, the sprayed pyrolysis of metallo-organic precursors was found superior to coprecipitation process. The formation of intermediate phases, i.e. BaTi�� O�� ,BaTi�� O�V , found in coprecipitation process can be completely eliminated by sprayed pyrolysis technique.
期刊論文
1.Richtmyer, R. D.(1939)。Dielectric Resonator。J. Appl. Phys.，10，391-398。  new window
2.Silverman, B. D.(1962)。Microwave Absorption in Cubic Strontium Titanate。Physical Review，125(6)，1921-1932。  new window
3.Spitzer, W. G.、Miller, R. C.、Kleinman, D. A.、Howarth, L. E.(1962)。Tar Infrared Dielectric Dispersion in BaTiO3, SrTiO3 and TiO2。Phys. Rev.，126，1710-1716。  new window
4.Hakki, B. W.、Coleman, P. D.(1960)。A Dielectric Resonator Method of Measuring Inductive Capacities in Millimeter Range。IEEE Trans. Microwave Theory Tech.，8，402-411。  new window
5.Kell, R. C.、Greenham, A. C.、Olds, G. C. E.(1973)。High-Permittivity Temperature Stable Ceramic Dielectrics with Low Microwave Loss。J. Am. Ceram. Soc.，50，352-358。  new window
6.Wakino K.、Murata, M.、Tamura, H.(1986)。Far Infrared Reflection Spectra of Ba(Zn,Ta)O3-BaZrO3 Dielectric Resonator Material。J. Am, Ceram. Soc.，69，34-37。  new window
7.Tamura, H.、Konoike, T.、Sakabe, Y.、Wakino, K.(1984)。Improved High-Q Dielectric Resonator with Complex Perovskite Structure。J. Am. Ceram. Soc.，67，C59-C61。  new window
8.Wakino, K.、Minai, K.、Tamura, H.(1984)。Microwave Characteristics of (Zr,Sn)TiO3 and BaO-PbO-Nd2O3-TiO2 Dielectric Resonators。J. Am. Ceram. Soc.，67，278-281。  new window
9.Kawashima, S.、Nishida, M.、Ueda, I.、Ouche, H.(1983)。Ba(Zn1/3 Ta2/3)03 Ceramics with Low Dielectric Loss at Microwave Frequencies。J. Am. Ceram. Soc.，66，421-423。  new window
10.O'Bryan, H. M. Jr.、Thomson, J. Jr.、Plourde, J. K.(1974)。A new BaO-TiO2 Compound with Temperature-Stable High Permittivity and Low Microwave Loss。J. Am. Ceram. Soc.，57，450-456。  new window
11.O'Bryan H. M.、Thomason, J.(1974)。Phase Equilibria in the TiO2-Rich Region of the System BaO-TiO2。J. Am. Ceram. Soc.，57，522-527。  new window
12.O'Bryan, H. M.(1975)。Ba2Ti9O20 as a Microwave Dielectric Resonator。J. Am. Ceram. Soc.，58，418-423。  new window
13.Jonker, G. H.、Kwestroo, W.(1958)。Ternary systems BaO-TiO2-SnO2 and BaO-TiO2-ZrO2。J. Am. Ceram. Soc.，41，390-399。  new window
14.Wakino, K.、Nishikawa, T.、Ishikawa, Y.、Tamura, H.(1990)。Dielectric Resonator Materials and Their Applications for Mobile Communication System。Br. Ceram. Trans. J.，89，39-43。  new window
15.Cohn, S. B.(1968)。Microwave Bandpass Filters Containing High-Q Dielectric Resonators。IEEE Trans. Microwave Theory Tech.，16，218-221。  new window
16.Tillmanns, E.(1983)。Crystal Structure of the Microwave Dielectric Resonator Ba2Ti9O20。J. Am. Ceram. Soc.，66，268-274。  new window
17.Virkar, A. N.(1988)。Synthesis and Characterization of Ba2Ti9O20。J. Mater. Sci. Lett.，7，179-183。  new window
18.Jaakolay, T.(1986)。Importance of Homogeneous Composition in Sintering Behavior of Ba2 Ti9O20 Ceramics。Int. J. High Tech. Ceram.，2，195-200。  new window
19.O'Bryan, H. M.、Thomason, J.(1975)。Preparation of BaTi5On by Solid State Reaction。J. Am. Ceram. Soc.，58，454-462。  new window
20.O'Bryan, H. M.、Thomason, J.(1983)。Ba2Ti9O20 Phase Equilibria。J. Am, Ceram. Soc.，66，66-70。  new window
21.Javadpour, J.、Eror, N.(1988)。Raman Spectroscopy of Higher Titanate Phase in the BaTiO3-TiO2 System。J. Am. Ceram. Soc.，71，206-213。  new window
22.Kobayashi, Y.、Katoh, M.(1985)。Microwave Measurement of Dielectric Properties of Low-Loss Materials by the Dielectric Rod Resonator Method。IEEE Transactions on Microwave Theory and Techniques，33(7)，586-592。  new window
23.Lessing, P. A.(1989)。Mixed-Cation Oxide Powders via Polymeric Precursors。Ceram. Bull.，68，1002-1007。  new window
24.Ritter, J. J.(1986)。Alkoxide Precursor Synthesis and Characterization of Phase in the Barium--Titanium Oxide System。J. Am. Ceram. Soc.，69，155-161。  new window
25.Wakino, K.(1989)。Recent Development of Dielectric Resonator Materials and Filters in Japan。Ferroelectrics，91，69-86。  new window
26.Pechini, M. P.(1969)。Method of Preparing Lead and Alkaline Earth Titanates and Coating Method Using the Same to Form a Capacitor。U. S. Patent，3，330-697。  new window
27.Cousty, I. P.、Verdeyme, S.、Aubourg, M.、Guillon, P.(1992)。Tinite Elements for Microwave Device Simulation Application to Microwave Dielectric Resonator Filters。IEEE Trans. Microwave Theory Tech.，40，925-932。  new window
研究報告
1.Cheng, H. F.(1995)。Application of Chemical Deposition on Microwave Dielectric Ceramic Components (計畫編號：NSC 84-2214-E-003-001)。National Science Council。  new window
圖書
1.Lorrain, P.、Corson, D. R.(1972)。Electromagnetic Fields and Waves。San Francisco：W. H. Freeman and Company。  new window
 
 
 
 
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