摘要:
A meta-material (110) is constituted by a conductor plane (103) on the lower side, a conductor (102) on the upper side, a repeated (for example, periodic) array of conductor strips (104), and conductor posts (105) which electrically connect each of the conductor strips (104) and the conductor plane (103) on the lower side. A power feed line (106) is connected to the conductor (102). Openings may be repeatedly provided in the conductor plane (103) on the lower side. In this case, an island-shaped electrode is provided within the opening, and the conductor post (105) is connected to the conductor plane (103) through the island-shaped electrode.
摘要:
A polyester having a good color tone (a high L value and a low b value) and a low acetaldehyde content is obtained by using a catalyst containing a reaction product of (A) a titanium compound (1) represented by the general formula (I) and/or a titanium compound (2) obtained by reacting the titanium compound (1) of the general formula (I) with an aromatic polyhydric carboxylic acid represented by the general formula (II) or an anhydride thereof, with (B) a phosphorus compound (3) represented by the general formula (III). [wherein R1, R2, R3, R4 and R5=a C2-C10 alkyl group, k=1 to 3, m=2 to 4, and R6=a substituted or non-substituted C6-C20 aryl group or a C6-C20 alkyl group].
摘要:
A waveguide structure or a printed-circuit board is formed using a plurality of unit structures which are repetitively aligned in a one-dimensional manner or in a two-dimensional manner. The unit structure includes first and second conductive planes which are disposed in parallel with each other, a transmission line having an open end which is formed in a layer different from the first and second conductive planes and positioned to face the second conductive plane, and a conductive via electrically connecting the transmission line to the first conductive plane.
摘要:
A structural body of the invention includes a first conductor plane (1), a plurality of second conductor planes (4) of which at least a portion is provided facing the first conductor plane (1), and a transmission line (6), having an open end, which is disposed between the first conductor plane (1) and the second conductor plane (4), electrically connected to any one conductor plane of the first conductor plane (1) or the second conductor plane (4) through a conductor connection portion (5) and provided facing the other conductor plane. A unit structure including at least the second conductor plane (4), the transmission line (6), and the conductor connection portion (5) is repeatedly disposed.
摘要:
A radio communication apparatus (100) includes an antenna device (40) that faces at least a part of a conductor plate of a conductor surface (second casing) or a conductor layer of an interconnect substrate (30); and a plurality of conductor components (36) that are located between the antenna device (40) and the conductor surface and are arranged in a repetitive manner so as to intersect in a surface-normal direction of the conductor surface. The radio communication apparatus is, for example, a slide opening and closing type cellular phone and includes a first casing (10), a second casing (20), and a flexible interconnect substrate (30). The first casing (10) and the second casing (20) are slid relatively so that the radio communication apparatus (100) is switched between first and second states. In the first state, the interconnect substrate (30) is folded. The interconnect substrate (30) is extended further in the second state than in the first state.
摘要:
The disclosed structure (10) is provided with: at least three conductors (111, 131, 151) which face one-another; a through-via (101) which passes through each of the conductors (111, 131, 151); openings (112, 152) which are provided so as to surround the circumference of the through-via (101); and conductor elements (121, 141) which are located in different layers to those in which the conductors (111, 131, 151) are located, and which are connected to the through-via (101). Facing opening 112 is conductor element 121, which is larger than said opening (112), and facing opening 152 is conductor element 141, which is larger than said opening (152).
摘要:
An antenna device 10 includes at least one dielectric substrate 2, a conductor plate 3 arranged in the dielectric substrate 2, at least one slot 4 formed in the conductor plate 3, at least one stub 5, and at least one via 6. The stub 5 is formed on a surface of the dielectric substrate 2 different from a surface where the slot is formed, the stub 5 being formed to cross the slot 4. The via 6 has one end connected to a periphery of the slot 4 of the conductor plate 3 and another end connected to the stub 5.
摘要:
A waveguide structure or a printed-circuit board is formed using a plurality of unit structures which are repetitively aligned in a one-dimensional manner or in a two-dimensional manner. The unit structure includes first and second conductive planes which are disposed in parallel with each other, a transmission line having an open end which is formed in a layer different from the first and second conductive planes and positioned to face the second conductive plane, and a conductive via electrically connecting the transmission line to the first conductive plane.
摘要:
An antenna or a printed-circuit board is formed using a plurality of unit structures which are repetitively aligned in a one-dimensional manner or in a two-dimensional manner. The unit structure includes a conductive plane and a conductive patch which are disposed in parallel with each other, a power-supply unit applying a high frequency signal between the conductive plane and the conductive patch, and at least one shunt which is aligned in the conductive patch and which is constituted of a transmission line having an open end aligned in a plane above or below the conductive patch and a conductive via electrically connecting the transmission line to the conductive plane. Alternately, the transmission line is aligned in a plane above or below the conductive plane so that the transmission line is electrically connected to the conductive patch via the conductive via.
摘要:
Provided is means for suppressing noise from leaking to the outside of a frame via a gap in an electronic apparatus in which an electronic component is included in a frame which has conductive properties and has a gap that connects an inner space and an external space. An electronic apparatus includes: a conductive frame (10) having a gap (40) that connects an inner space and an external space; an electronic component (20) stored in the frame (10); and a structure (30) provided in contact with an inner wall surface (11) of the frame (10), wherein the structure (30) includes a conductive material layer, and a dielectric material layer positioned between the conductive material layer and the inner wall surface (11) of the frame (10), and the conductive material layer includes a repeated structure in at least a partial area thereof.