摘要:
A ground conductor (1) has a through hole provided through an area thereof for connection with a waveguide (6), with dimensions substantially equal to cavity dimensions of the waveguide (6), and a metallic spacer (7a) is provided as a holding element for a film substrate (4), with an even thickness to a dielectric substrate (2a), the metallic spacer (7a) having dimensions E1 and E2 of cavity walls thereof changed in accordance with a desirable frequency, and cooperating with another metallic spacer (7b) having substantially equal dimensions to the metallic spacer (7a), to sandwich the film substrate (4) in between, and in addition, an upper ground conductor (5) is arranged on the other metallic spacer (7b), and a quadrate resonant patch pattern (8) is formed at an end of the strip line conductor (3) formed to the film subs ate (4), on an area corresponding to a transducer end of the waveguide (6), while a combination of the quadrate resonant patch pattern (8) and the waveguide (6) is arranged such that the quadrate resonant patch pattern (8) has a center position thereof coincident with a center position of the cavity dimensions of the waveguide (6).
摘要:
The present invention provides inexpensively a planar antenna module that is able to realize a loss reduction, a reduction in characteristic variation caused by an assembling error, and an improved stability in frequency characteristics.A planar antenna module according to one preferred embodiment of the present invention comprises an antenna portion (101), a feeder portion (102), and a connection plate (18). The antenna portion (101) includes a first ground plate (11) having a first slot (21), a second ground plate (12) having dielectrics, an antenna substrate having a radiation element (41), a third ground plate (13) having dielectrics, a fourth ground plate (14). The feeder portion (102) includes the fourth ground plate (14), a fifth ground plate (15), a feed substrate (50), a sixth ground plate (16), a seventh ground plate (17). The connection plate (18) has a second waveguide opening portion (64). The connection plate (18) to be connected with a high frequency circuit, the seventh ground plate (17), the sixth ground plate (16), the feed substrate (50), the fifth ground plate (15), the fourth ground plate (14), the third ground plate (13) including the third dielectric (33) and the fourth dielectric (34), the antenna substrate (40), the second ground plate (12) including the first dielectric (31) and the second dielectric (32), and the first ground plate (11) are stacked in this order.
摘要:
A ground conductor (1) has a through hole provided through an area thereof for connection with a waveguide (6), with dimensions substantially equal to cavity dimensions of the waveguide (6), and a metallic spacer (7a) is provided as a holding element for a film substrate (4), with an even thickness to a dielectric substrate (2a), the metallic spacer (7a) having dimensions E1 and E2 of cavity walls thereof changed in accordance with a desirable frequency, and cooperating with another metallic spacer (7b) having substantially equal dimensions to the metallic spacer (7a), to sandwich the film substrate (4) in between, and in addition, an upper ground conductor (5) is arranged on the other metallic spacer (7b), and a quadrate resonant patch pattern (8) is formed at an end of the strip line conductor (3) formed to the film subs ate (4), on an area corresponding to a transducer end of the waveguide (6), while a combination of the quadrate resonant patch pattern (8) and the waveguide (6) is arranged such that the quadrate resonant patch pattern (8) has a center position thereof coincident with a center position of the cavity dimensions of the waveguide (6).
摘要:
A process for producing an IC card comprising: an application/bonding step of applying an adhesive having a curing rate ratio (80° C./40° C.) of 30 or more on the surface of an inlet film, on which a number of IC modules are mounted, and/or a skin film for covering at least one surface of the inlet film, and bonding the inlet film and the skin film together to form a laminate film; a curing step of curing the adhesive to form a cured resin layer between the inlet film and the skin film of the laminate film; and a card forming step of forming a number of IC cards by dividing the laminate film for each IC module.
摘要:
Provided is a multi-beam antenna device capable of suppressing an increase in loss of a Rotman lens so as to achieve enhanced gain.β with respect to α is set to satisfy the following relation: β
摘要:
Provided is a triplate line inter-layer connector having excellent loss suppression capability and allowing for inter-layer connection at any position, and a planar array antenna having uniform frequency characteristics in a beam direction. The triplate line inter-layer connector has an electrical connection structure between a first triplate line and a second triplate line. A first patch pattern is formed at a connection-side terminal end of a first feeder line. A first feed substrate has a first shield spacer disposed therebeneath, and a second shield spacer disposed just thereabove. Each of the first and second shield spacers has a hollow portion hollowed out to a size encompassing the first feeder line and the first patch pattern so as to define a corresponding one of first and second dielectrics in a respective one of the positions beneath and just above the first feed substrate. A second feeder line is provided on a second feed substrate together with a second patch pattern to extend in two directions from the second patch pattern to respective two output ends of the second feeder line, and a second ground conductor has a first slit formed in a portion thereof located approximately intermediate between the first and second patch patterns. The planar array antenna has a multi-layer structure comprising an antenna section and a transmission line section. The antenna section includes an antenna substrate and a first ground conductor having a slit. The antenna substrate has an antenna region which comprises a feeder line connected to respective radiation elements of the radiation element array. The feeder line, the slit and the patch pattern are provided at respective positions approximately corresponding to each other. Respective shapes and positions of the slit and the feeder line in a thicknesswise direction of the planar array antenna are adjusted to satisfy the following relation: d1
摘要:
The present invention provides inexpensively a planar antenna module that is able to realize a loss reduction, a reduction in characteristic variation caused by an assembling error, and an improved stability in frequency characteristics. A planar antenna module according to one preferred embodiment of the present invention comprises an antenna portion (101), a feeder portion (102), and a connection plate (18). The antenna portion (101) includes a first ground plate (11) having a first slot (21), a second ground plate (12) having dielectrics, an antenna substrate having a radiation element (41), a third ground plate (13) having dielectrics, a fourth ground plate (14). The feeder portion (102) includes the fourth ground plate (14), a fifth ground plate (15), a feed substrate (50), a sixth ground plate (16), a seventh ground plate (17). The connection plate (18) has a second waveguide opening portion (64). The connection plate (18) to be connected with a high frequency circuit, the seventh ground plate (17), the sixth ground plate (16), the feed substrate (50), the fifth ground plate (15), the fourth ground plate (14), the third ground plate (13) including the third dielectric (33) and the fourth dielectric (34), the antenna substrate (40), the second ground plate (12) including the first dielectric (31) and the second dielectric (32), and the first ground plate (11) are stacked in this order.
摘要:
Provided is a multi-beam antenna device capable of achieving two independent multi-beam characteristics using a single antenna unit, and enhanced gain. The multi-beam antenna device comprises a first antenna section, a second antenna section, a first Rotman lens section and a second Rotman lens section, which are laminated together in this order to form a planar antenna module. A first multi-beam characteristic is achieved by the first antenna section and the first Rotman lens section, and a second multi-beam characteristic is achieved by the second antenna section and the second Rotman lens section, independently. A Rotman lens in each of the Rotman lens sections is designed such that: β with respect to α is set to satisfy the following relation: β