A resistor includes materials including copper, nickel, and lanthanum boride. A content of the materials is 40% by mass or more with respect to a total material content of the resistor. The copper includes copper particles having a particle diameter of 2.5 m or more. In addition, a circuit board includes a substrate, the resistor on the substrate, a metal layer on the resistor and a glass layer on the resistor. Further, an electronic device includes the circuit board and an electronic component on the metal layer.

A rigid-flex circuit board includes a core substrate, a first adhesive layer, and a first outer conductive circuit layer. The core substrate includes a first and a second base layer, a first and a second conductive circuit layer respectively on the first and second base layer, and an insulating layer between the first and second base layer. The first and second conductive circuit layer are embedded in the insulating layer. The first adhesive layer is on the first base layer and defines a first opening which exposes the first opening. The first outer conductive circuit layer is on the first adhesive layer and defines an opening aligned with the first opening. A portion of the core substrate located within the first opening is defined as a flexible board section, and the portions of the core substrate located outside of the first opening are defined as a hard board section.

An electronic device module includes a substrate, a first component disposed on a first surface of the substrate, a sealing portion disposed on the first surface of the substrate, a second component disposed on the first surface of the substrate and embedded in the sealing portion, and a shielding wall at least partially disposed between the first component and the second component and including a portion having a height, with respect to the first surface of the substrate, that is lower than a height of the sealing portion.

The invention is directed to a method for treating an electronic device that is encapsulated in a plastic package, said method comprising the steps of providing a gas stream comprising a hydrogen source; inducing a hydrogen-containing plasma stream from said gas; and directing the hydrogen-containing plasma stream to the plastic package to etch the plastic package.

A busbar module includes: a circuit body having a flexible circuit board; busbars; and a holder. The circuit body has: conductor layers and protective layers to form a multiple-layered structure of wiring patterns; a band-shaped main strip to be located to extend in a stacking direction of cells; and a band-shaped branch strip branched from the main strip. The branch strip has: a bent portion extending in the stacking direction and having a bent shape around an axis crossing the stacking direction; and a connection portion disposed closer to an end of the branch strip than the bent portion and connected to the corresponding busbar. The bent portion has a thin-layer portion having a shape formed by removing, from the flexible circuit board, a part of the protective layers corresponding to a part of the conductor layers without being used as the wiring pattern in the branch strip.

A high-frequency module 1 includes a component 3a mounted on an upper surface 2a of a substrate 2, a second sealing resin layer 4 stacked on the upper surface 2a of the substrate 2, a component 3b mounted on a lower surface 2b of the substrate 2, a first sealing resin layer 5 stacked on the lower surface 2b of the substrate 2, and a first terminal assembly 6 and a second terminal assembly 7 that are mounted on the lower surface 2b of the substrate 2. The first terminal assembly 6 is mounted on a four-corner portion of the substrate 2 and includes a connection conductor 6a thicker than a connection conductor 7a of the second terminal assembly 7.

A printed circuit board assembly (1) is provided that comprises a stacked or folded printed circuit board populated by components (2, 3), wherein printed circuit board regions (10, 11, 12) lying opposite one another are electrically connected to one another at least one edge, and wherein the printed circuit board and the components (2, 3) are encased in an encapsulation (4), and wherein at least one separating element (5) is located inside the encapsulation and between each pair of opposing and electrically connected printed circuit board regions (10, 11, 12).

Provided is a method for manufacturing a display device. The method includes forming a display unit including a bending area on a first surface of a mother substrate, aligning a mask in which a mask opening is defined on a second surface of the mother substrate, plasma treating the second surface of the mother substrate, removing the mask and attaching a protective film to the second surface of the mother substrate, and removing a portion of the protective film to form a film opening corresponding to the bending area. The mask opening corresponds to the bending area.

A manufacturing method of a component embedded package carrier includes the following steps: providing the dielectric layer; a first copper foil layer and a second copper foil layer; forming a plurality of through holes; forming a conductive material layer on the first copper foil layer and the second copper foil layer; patterning the conductive material layer, the first copper foil layer and the second copper foil layer, thereby defining the conductive through hole structures, the first patterned conductive layer and the second patterned conductive layer and forming the core layer comprises; disposing at least one electronic component inside the opening of the core layer; laminating a first insulating layer and a first circuit layer located on the first insulating layer onto the first patterned conductive layer; laminating a second insulating layer and a second circuit layer located on the second insulating layer onto the second patterned conductive layer.

The invention is directed to a method for treating an electronic device that is encapsulated in a plastic package, said method comprising the steps of providing a gas stream comprising a hydrogen source; inducing a hydrogen-containing plasma stream from said gas; and directing the hydrogen-containing plasma stream to the plastic package to etch the plastic package.