Patent classifications
H05K3/4691
Rigid-flex printed circuit board and method for manufacturing the same
A rigid-flex printed circuit board includes an inner circuit substrate, two adhesive sheet layers formed on the inner circuit substrate, two shielding structures, and two outer circuit layers. The inner circuit substrate is divided into a flexible area, a first and second rigid area. Each shielding structure includes a copper layer, a metal seed layer formed on the copper layer, a flexible dielectric layer formed on the metal seed layer, and a backing adhesive sheet layer formed on the flexible medium layer. The backing adhesive sheet layer is pressed on the adhesive sheet layer and the inner circuit substrate located in the flexible area. Each outer circuit layer is formed on the copper layer, located in the first rigid area and the second rigid area and electrically connected to the inner circuit substrate.
Method for manufacturing an antenna printed circuit board
A method for manufacturing an antenna printed circuit board includes the following steps: providing a flexible-rigid printed circuit board comprising a flexible region and a rigid region. The flexible region comprises at least one first connecting pad and at least one second connecting pad arranged opposite sides of the rigid region. At least one antenna module is attached to the first connecting pad through a conductive paste. The antenna module is fixed on the rigid region by a first reflow soldering process. At least one radio frequency integrated circuit structure is attached to the second connecting pad through a conductive paste. The radio frequency integrated circuit is fixed on the rigid region by a second reflow soldering process. A gap between the antenna module and the rigid region and a gap between the radio frequency integrated circuit structure and the rigid region are filled with dielectric materials and cured.
Conductive connecting member and display device including the same
An exemplary embodiment provides a conductive connecting member, and a display device including the same, that includes a flexible elongated body and terminals formed at opposite ends of the body to be electrically connected to the body, wherein the body may include terminal areas in which the terminals are formed and a central area disposed between the terminal areas, and wherein two or more recess portions may be formed in edges of the body within the central area of the body.
Method for making a multilayer flexible printed circuit board
A flexible printed circuit board with multiple layers includes an inner wiring substrate and at least one outer wiring plate. Each outer wiring plate is connected to one surface of the inner wiring substrate, and defines at least one through hole which passes through the outer wiring plate to expose the inner wiring substrate. Each outer wiring plate further includes an adhesive plate connected to the inner wiring substrate. The adhesive plate includes a stepped portion extending towards a center of the through hole.
Package structure
A package structure includes a first package including a first substrate and a first molded portion disposed on the first substrate; and a rigid-flexible substrate disposed on at least a portion of the first package and having a rigid region and a flexible region. The first molded portion is disposed between the first substrate and the rigid-flexible substrate.
RADIO-FREQUENCY DEVICES AND ASSOCIATED PRODUCTION METHODS
A radio-frequency device comprises a printed circuit board and a radio-frequency package, which is mounted on the printed circuit board at a first mounting point and has a radio-frequency chip and a radio-frequency radiation element, wherein the printed circuit board has a first elasticity at least in a first section comprising the first mounting point. The radio-frequency device further comprises a waveguide component, which is mounted on the printed circuit board at a second mounting point and has a waveguide, wherein the radio-frequency radiation element is configured to radiate signals into the waveguide and/or to receive signals by way of the waveguide. The printed circuit board has a second elasticity at least in a second section with an increased elasticity between the first mounting point and the second mounting point, wherein the second elasticity is higher than the first elasticity.
Method of manufacturing a printed circuit board
A method of manufacturing a printed circuit board or a sub-assembly thereof by coupling at least two elements of insulating materials with different properties on adjacent side surfaces and covering the elements with a layer of conductive material and building up at least one further layer at least partly overlapping the at least two elements.
Component carrier with improved bending performance
A component carrier, wherein the component carrier includes: i) a layer stack with at least one electrically conductive layer structure and/or at least one electrically insulating layer structure, ii) a bendable portion which forms at least a part of the layer stack, and iii) a metal layer which forms at least a part of the bendable portion. Hereby, the metal layer extends over at least 75% of the area of the bendable portion.
PRINTED CIRCUIT BOARD AND ELECTRONIC DEVICE INCLUDING THE SAME
An electronic device is provided. The electronic device includes a housing, a first printed circuit board seated inside the housing, and a second printed circuit board seated inside the housing such that a height of the second printed circuit board from the second surface is different from that of the first printed circuit board, wherein the first printed circuit board includes a mounting part on which at least one component is mounted, a first connector which extends from a first part of the mounting part. A portion of the first connector being substantially perpendicular to the mounting part and configured to be connected to the second printed circuit board, and a second connector which extends from a second part of the mounting part and configured to be connected to the second printed circuit board.
Method for producing a printed circuit board with multilayer sub-areas in sections
A method for producing a printed circuit board (13, 15, 16) with multilayer subareas in sections, characterized by the following steps: a) providing at least one conducting foil (1, 1′) and application of a dielectric insulating foil (3, 3′) to at least one subarea of the conducting foil; b) applying a structure of conducting paths (4, 4′) to the insulating layer (3, 3′); c) providing one further printed circuit board structure; d) joining of the further printed circuit board structure with the conducting foil (1, 1′) plus insulating layer (3, 3′) and conducting paths (4, 4′) by interposing a prepreg layer (5, 85; 18, 18′), and e) laminating the parts joined in step d) under pressing pressure and heat; and a printed circuit board produced according to this method.