Appeal No. 95-3900 Page 3 Application No. 07/978,030 The application on appeal was filed 18 November 1992. Appellants claim the benefit of 07/606,901, filed 31 October 1990 (abandoned), pursuant to 35 U.S.C. § 120. They also claim the benefit of Japanese patent application 290921/89, filed 8 November 1989, pursuant to 35 U.S.C. § 119, but they have not perfected their claim pursuant to 37 CFR § 1.55(a). The subject matter of the invention is a planar-array microwave antenna. Claim 9, the sole independent claim, defines the subject matter of the invention as follows: 9. A planar array antenna comprising: an upper plate having a plurality of holes; a lower plate; a single film substrate having resonance type printed patterns of a plurality of array elements sized in accordance with a predetermined frequency, said predetermined frequency being approximately the center of a frequency band; a first spacer having a plurality of holes, and being located between said upper plate and said single film substrate; and a second spacer having a plurality of holes, and being located between said lower plate and said single film substrate, wherein said lower plate has integral concave regions formed at the positions corresponding to the positions of said plurality of holes of said upper plate, each of said concave regions having a surface facing and parallel to said substrate and said surface being spaced from said patterns by a distance less than one quarter wavelength at said frequency.Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007