A radio frequency (RF) antenna containing element is provided. The RF antenna containing element includes a reinforced metal foil laminate antenna bonded to a carrier layer. The reinforced metal foil laminate antenna includes a metal foil layer bonded to a reinforcement layer. The reinforcement layer can mitigate tearing of the metal foil layer during formation of the antenna.

An embedded electronic package includes a stretchable body that includes at least one electronic component, wherein each electronic component includes a back side that is exposed from the stretchable body; and a plurality of meandering conductors that are electrically connected to one or more of the electronic components. In some forms, the embedded electronic package includes a stretchable body that includes an upper surface and a lower surface, wherein the stretchable body includes at least one electronic component, wherein each electronic component is fully embedded in the stretchable body and the same distance from the upper surface of the stretchable body; and a plurality of meandering conductors that are electrically connected to one or more of the electronic components.

The present invention provides an electronic device which includes an electromagnetic shield, can keep down a production cost, can be made to have a reduced thickness, and has a high degree of freedom in designing a wiring circuit. Further, the present invention provides a method for producing such an electronic device. The electronic device (1A) includes at least one high frequency functional component (21), an electrically conductive member (10) which electromagnetically shields the at least one high frequency functional component (21), and a resin molded body (23) in which at least part of the high frequency functional component (21) and at least part of the electrically conductive member (10) are embedded and fixed.

Methods for the production of a circuit board involving the removal of a subregion in accordance with various embodiments of the invention are disclosed. In one embodiment, the production of a circuit board, made of at least two interconnected layers of material, involving the removal of a subregion including a portion of at least one of the at least two interconnected layers from the circuit board includes providing an adhesion preventing material under the subregion to be removed to a layer in the at least two interconnected layers that is adjacent to the at least one layer including the subregion, separating edge regions of the subregion to be removed from adjoining regions of the circuit board, connecting an external surface of the subregion to be removed to an external element, and displacing the external element to separate the subregion to be removed from the adjacent layer of the circuit board.

A photosensitive dry film and uses of the same are provided. The photosensitive dry film comprises a support layer and a photosensitive resin layer disposed on the support layer, wherein the support layer has a first surface and a second surface opposite the first surface, and the first surface is in contact with the photosensitive resin layer and has a non-smooth structure.

A method of manufacturing a flexible electronic device is provided. The method includes a) filtering a mixture including an electrically conducting nanostructured material through a membrane such that the electrically conducting nanostructured material is deposited on the membrane; b) depositing an elastomeric polymerizable material on the electrically conducting nanostructured material and curing the elastomeric polymerizable material thereby embedding the electrically conducting nanostructured material in an elastomeric polymer thus formed; and c) separating the elastomeric polymer with the embedded electrically conducting nanostructured material from the membrane to obtain the flexible electronic device. Flexible electronic device manufactured by the method, and use of the flexible electronic device are also provided.

An electronic component-embedded substrate includes a core substrate, a cavity penetrating the core substrate, a wiring layer formed on one surface of the core substrate, a support pattern extending over the cavity and configured to divide the cavity into a plurality of component embedding areas, an insulation wall portion arranged on a part of the support pattern in the cavity and formed of the same material as the core substrate, a plurality of electronic components each of which is mounted in each of the plurality of component embedding areas, and an insulating material filling an inside of the cavity.

A printed circuit board includes a board portion and an electronic element. The board portion includes a first substrate having an element accommodating portion and second substrates laminated on outer surfaces of the first substrate. The electronic element is disposed in the element accommodating part. The electronic element includes a heat generating element and a heat radiating member coupled to an inactive surface of the heat generating element.

There are provided a printed circuit board and a manufacturing method thereof. The printed circuit board includes: a core layer having a cavity provided therein; an electronic component included in the cavity; a conductive partition disposed on a side of the cavity; and insulating layers disposed on and below the core layer.

A method of manufacturing a resin multilayer substrate with a cavity, includes stacking insulation substrates including thermoplastic resins and thermocompression-bonding the insulation substrates. At least one of the insulation substrates is formed by affixing a peelable carrier film to one main surface of the insulation substrate, making a cut in the insulation substrate having the carrier film affixed thereto, the cut being designed to form the cavity, penetrating the insulation substrate in a thickness direction and not penetrating the carrier film in a thickness direction, and removing the carrier film and a portion of the insulation substrate that is cut out by the cut.