| 摘要 |
Radio microwave structure (1) involves phased array antennas based on relative technology. The structure at least comprises an uppermost layer (10) in the form of a printed wiring board, a function layer (11) within the structure, in which the function of the structure is enclosed, an undermost layer (14) comprising a metal cover plate or metallized such plate, an upper layer (12) and a lower layer (13), which are locally milled (111,113) between the uppermost layer and the lowermost layer. The resulting object is thus a multi-layered printed wiring board based on air. Therefore, floating substrates are produced by virtue of a synergy effect arising from the use of a printed wiring board in combination with air, whereby it is possible to use this structure with microwave frequencies. |
