Patent ID: 8242962

Claim:
A supper-broadband antenna structure comprising: a microwave base plate in a rectangular shape; an irradiation unit formed by printing above a surface of said microwave base plate, and extending downwards from an upper edge of said microwave base plate to form a rectangular portion and then to form two contracted stepped portions which together form below them a conical portion, said conical portion being provided thereon with two protruding coupling portions; a coplanar waveguide unit formed by printing beneath said microwave base plate, and provided with a central microstrip formed by a vertical portion and a horizontal portion, a top end of said vertical portion being connected to a top of said conical portion of said irradiation unit and extending downwards to connect a left end of said horizontal portion, a right end of said horizontal portion extending to a right edge of said microwave base plate; a first ground in an “L” shaped plane being provided below and on a left side of said central microstrip, its upper edge tilting downwards and rightwards, said tilting upper edge forming thereon a protruding coupling portion; and a second ground in a “shaped plane” shape being provided above and on a right side of said central microstrip; and a radio frequency connector provided on a right side of said microwave base plate to connect said right end of said central microstrip for signal feeding in, and to connect said first and said second grounds.