Number | Name | Date | Kind |
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3753167 | Cohn | Aug 1973 | |
5770987 | Henderson | Jun 1998 | |
5825263 | Falt | Oct 1998 |
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Lin et al. "Coplanar Waveguide Bandpass Filter--A Ribbon-of-Brick-Wall Design", IEEE Trans. on Microwave Theory & Tech. vol. 43, No. 7, Jul., 1995, pp. 1589-1596. |