An electronic component of the present disclosure includes: an electronic component body; an electrode on a surface of the electronic component body; and a cover layer having insulating properties on at least a portion of a perimeter of the electrode and extending across a boundary between the perimeter of the electrode and the surface of the electronic component body, wherein in a plan view of the electronic component body seen from a side where the electrode is disposed, the electrode includes corners each provided by two segments defining a portion of the perimeter of the electrode, and a thickness of at least a portion of the cover layer on at least one of the corners is greater than a thickness of the other portions of the cover layer on portions other than the corners.

A printed circuit board and/or an electronic device including the same are provided. The printed circuit board and/or an electronic device includes at least one insulation layer including a first rigid region and a flexible region extending from the first rigid region, at least one first circuit pattern disposed on one surface of the at least one insulation layer to at least partially transverse the flexible region from the first rigid region, and at least one conductive pad formed at least partially on a surface of the first circuit pattern in the first rigid region, wherein the flexible region may be configured to flexibly deform more than the first rigid region.

A method for manufacturing a circuit board with nickel resistor embedded therein provides a copper substrate, the copper substrate includes a copper foil. A nickel resistance layer is formed on the copper foil. A first dielectric layer and a first copper layer are formed on the nickel resistance layer. The copper foil and the first copper layer are etched to form a first conductive wiring layer and a second conductive wiring layer respectively, the nickel layer not being subjected to an etching process, to obtain the finished circuit board.

A die bonding method for a micro-LED. The method includes plating tin at a die bonding position of a printed circuit board (PCB) to obtain a tin-plated layer; adding a protective layer and a flux layer on the tin-plated layer in sequence to obtain a pretreated PCB; and transferring a flip-chip micro-LED to the pretreated PCB, reflowing and die bonding to complete die bonding of the micro-LED.

A manufacturing method of copper foil and circuit board assembly for high frequency transmission are provided. Firstly, a raw copper foil having a predetermined surface is produced by an electrolyzing process. Subsequently, a roughened layer including a plurality of copper particles is formed on the predetermined surface by an arsenic-free electrolytic roughening treatment and an arsenic-free electrolytic surface protection treatment. Thereafter, a surface treatment layer is formed on the roughened layer, and the roughened layer is made of a material which includes at least one kind of non-copper metal elements and the concentration of the non-copper metal elements is smaller than 400 ppm. By controlling the concentration of the non-copper elements, the resistance of the copper foil can be reduced.

A method for producing a structure, comprising providing a Composite Conductive Substrate (CCS) with a conductive layer, a non-conductive layer and a release layer, implemented on top of the conductive layer; determining an empty conductive pattern for each layer of the structure; printing a layer of non-conductive matter on the CCS, such that the conductive pattern of the first layer left empty from the non-conductive matter; on top of the release layer, below which the conductive layer is implemented, filling the empty conductive pattern with conductive matter by electroplating; peeling the filled conductive matter or peeling the filled conductive matter and the printed non-conductive matter, from the conductive layer of the CCS.

A printed wiring board according to an aspect of the present invention includes a base film having insulation properties and a conductive pattern including multiple wiring portions laminated, the conductive pattern running on at least one surface of the base film, wherein each wiring portion includes a first conductive portion and a second conductive portion coating an outer surface of the first conductive portion, wherein an average width of each wiring portion is 10 μm or greater to 50 μm or smaller, and an average thickness of the second conductive portion is 1 μn or greater to smaller than 8.5 μm.

This disclosure describes an electronic component with a package body which comprises a set of sidewalls and a bottom wall. One or more chip mounting elements extend into the space within the package from the inner surface of at least one sidewall, and at least one electronic chip is attached to the chip mounting elements. The electronic component also comprises one or more stiffening elements which extend inside the space within the package from the inner surface of one of the sidewalls to the outer surface of the bottom wall. These stiffening elements are separated from the one or more chip mounting elements inside the enclosed inner space.

This disclosure describes an electronic component with a package body which comprises a set of sidewalls and a bottom wall. One or more chip mounting elements extend into the space within the package from the inner surface of at least one sidewall, and at least one electronic chip is attached to the chip mounting elements. The electronic component also comprises one or more stiffening elements which extend inside the space within the package from the inner surface of one of the sidewalls to the outer surface of the bottom wall. These stiffening elements are separated from the one or more chip mounting elements inside the enclosed inner space.

Provided is a wiring circuit board that includes a first insulating layer, a conductive pattern disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and covering the conductive pattern, and a third protective layer disposed between the conductive pattern and the second insulating layer and protecting the conductive pattern. The third protective layer consists of a metal oxide.