摘要:
Provided are coaxial waveguide microstructures. The microstructures include a substrate and a coaxial waveguide disposed above the substrate. The coaxial waveguide includes: a center conductor; an outer conductor including one or more walls, spaced apart from and disposed around the center conductor; one or more dielectric support members for supporting the center conductor in contact with the center conductor and enclosed within the outer conductor; and a core volume between the center conductor and the outer conductor, wherein the core volume is under vacuum or in a gas state. Also provided are methods of forming coaxial waveguide microstructures by a sequential build process and hermetic packages which include a coaxial waveguide microstructure.
摘要:
A printed wiring board including at least a first substrate (11) is provided. The first substrate (11) is formed with pads (2) and a ground layer (3) at any one of main surfaces of the first substrate (11). The pads (2) are to be electrically connected to a connector as another component. The ground layer (3) has inner edges at locations separated from outer edges of the pads (2) with a predetermined distance and is to be grounded to a ground contact. Grooves (4) are formed between the pads (2) and the ground layer (3).
摘要:
A seal assembly includes a first shield tube surrounding a signal wire and a second shield tube surrounding the signal wire. The seal assembly includes an electrically insulating barrier positioned between the first shield tube and the second shield tube and through which the signal wire extends. The insulating barrier includes a first conductive layer on a first side of the insulating barrier and a second conductive layer on an opposing second side of the insulating barrier. The first shield tube is electrically connected to the first conductive layer and the second shield tube is electrically connected to the second conductive layer such that the first shield tube, first conductive layer, second shield tube, and second conductive layer are electrically insulated from the signal wire.
摘要:
A method for manufacturing a Z-directed component for insertion into a mounting hole in a printed circuit board according to one example embodiment includes simultaneously extruding a plurality of materials according to the structure of the Z-directed component to form an extruded object and forming the Z-directed component from the extruded object. In one embodiment, the extruded object is divided into individual Z-directed components. In one embodiment, the timing of extrusion between predetermined sections of one of the materials is varied in order to stagger the sections in the extruded object.
摘要:
The present invention relates to a high speed input/output (I/O) connection interface element, to a cable assembly comprising such an interface element and to an interconnection system comprising such a cable assembly and a belonging jack connector for contacting the cable assembly. The I/O connection interface element comprises a substrate (102) carrying a plurality of electrically conductive leads (106), each of said conductive leads having an I/O transition interface to be connected to at least one I/O conductor. The electrically conductive leads comprise input leads and output leads which are arranged on opposing faces of said substrate, and wherein at least one electrically conductive ground plane layer (116) is arranged at least partially within said substrate, being electrically insulated from said plurality of conductive leads. At least one ground plane layer is provided with at least one clearance (118) in a region adjacent to the transition interface.
摘要:
] A flexible printed circuit and fabrication method thereof is provided. At least one signal wire is disposed on a plastic substrate. Two ground lines are disposed at both sides of the signal wire in parallel. A shielding layer is provided, contacting the plastic substrate to form a chamber, wherein the signal wire and ground lines are wrapped therein. A flexible dielectric layer is implemented between the signal wire and the shielding layer to provide electricity isolation.
摘要:
An apparatus that includes a plurality of metalized planes (202, 204), one or more dielectric layers separating the plurality of metalized planes; and one or more conductive trenches (218, 220, 222) connecting to at least one of the plurality of metalized planes.
摘要:
A high frequency circuit module for use in an automotive radar or the like, in which RF circuit parts (5, 13, 14) are mounted on both sides of a hard multilayer dielectric substrate (2), and a transmission line (16, 18, 19, 20) connecting the RF circuit parts provided on both sides is constructed by a via group (20) including a periodical structure or a via (18, 19) having a coaxial structure perpendicular to faces of the multilayer dielectric substrate. As the multi-layer dielectric subtrate, a hard multilayer substrate using metallic layers as a microstrip line wiring layer, a DC/IF signal line layer, and grounding metal layers for shielding which are disposed on and under the DC/IF signal line is employed. By using the transmission line achieved by a through via having the periodical structure or the through via having the coaxial structure, an electromagnetic wave propagating in parallel between the grounding conductors is confined.