Abstract: A circuit board and a method of manufacturing a circuit board or two circuit boards are illustrated and described. The circuit board includes (a) a dielectric layer with a planar extension in parallel with respect to an xy-plane which is spanned by an x-axis and a y-axis perpendicular thereto and a layer thickness along a z-direction which is perpendicular with respect to the x-axis and to the y-axis; (b) a metallic layer which is attached to the dielectric layer in a planar manner; and (c) a component which is embedded in the dielectric layer and/or in a dielectric core-layer of the circuit board. The dielectric layer includes a dielectric material which has (i) an elastic modulus E in a range between 1 and 20 GPa and (ii) a coefficient of thermal expansion in a range between 0 and 17 ppm/K along the x-axis and along the y-axis.

Abstract: A method of manufacturing a circuit board or a circuit board intermediate product, wherein the method comprises providing a carrier structure, applying a layer of flowable low-viscosity adhesive on the carrier structure over a surface area of the carrier structure which is larger than a mounting area in which an electronic component is to be mounted on the carrier structure, and pressing the electronic component into a subsection of the layer of adhesive in the mounting area so that at least part of the electronic component is immersed within the adhesive.

Abstract: The invention pertains to a method for the bonding of a component embedded into a printed circuit board exhibiting the following steps: Provision of a core exhibiting at least one insulating layer and at least one conductor layer applied to the insulating layer, Embedding of at least one component into a recess of the insulating layer, wherein the contacts of the component are essentially situated in the plane of an outer surface of the core exhibiting the at least one conductor layer, Application of a photoimageable resist onto the one outer surface of the core on which the component is arranged, while filling the spaces between the contacts of the component, Clearing of end faces of the contacts and of the areas of the conductor layer covered by the photoimageable resist by exposing and developing the photoimageable resist, by application of a semi-additive process, deposition of a layer of conductor material onto the cleared end faces of the contacts and the cleared areas of the conductor layer and form

Abstract: A method for producing a printed circuit board (10) having at least one embedded sensor chip (3), in which at least one sensor face (5) and terminals (4) are arranged on a face of the chip, said method comprising the following steps: a) providing an adhesive film (1), b) printing a conductor structure (2) formed from a conductive paste onto a surface of the adhesive film, c) placing the at least one sensor chip (3) with the face comprising the at least one sensor face (5) and the terminals (4) onto the conductor structure (2) formed from a conductive paste, in an indexed manner, d) curing the conductive paste, e) applying an insulation layer (6) having a conductor layer (7) arranged thereabove to the surface of the structure, created in the previous steps, comprising the chip (3), f) laminating the structure created in the previous steps, g) structuring the conductor layer (7) and forming vias (9) from the conductor layer to conductive tracks (7b, 7c) of the conductor structure on the surface of the adhesi

Abstract: In a method for integrating at least one electronic component into a printed circuit board or a printed circuit board intermediate product, the following steps are provided: providing a layer for at least temporarily supporting the electronic component, fixing the electronic component on the layer, arranging a conductive layer on the supporting layer with at least one cutout corresponding to the dimensions of the electronic component to be fixed, at least partly encapsulating or covering the component fixed on the supporting layer with an insulating material, exposing the electronic component, and at least partial regions of the conductive layer, which adjoins the component and is arranged on the supporting layer, and at least partly making contact between the electronic component and the conductive layer adjoining the component. Furthermore, a printed circuit board and a printed circuit board intermediate product having an integrated electronic component are provided.

Abstract: The invention relates to a method for producing a circuit board involving the removal of a subregion thereof. In said method, at least two layers or plies of the circuit board (1) are interconnected, the subregion (6) to be removed is prevented from being connected to an adjacent ply of the circuit board by providing a layer (7) of adhesion-preventing or bonding-preventing material, and peripheral zones (8) of the subregion (6) to be removed are separated from adjoining zones of the circuit board (1). According to the invention, a fissure formation and/or a detachment from the subregion (6) of the circuit board (1) to be removed is initiated in a subregion in or on the layer (7) of adhesion-preventing or bonding-preventing material, and the subregion (6) to be removed is then removed, thus making it possible to remove a subregion (6) to be removed from a circuit board (1) in a simple and reliable, and if necessary automated, manner.

Abstract: The invention relates to a method for producing a circuit board (1) involving the removal of a subregion (6) thereof. In said method, at least two layers or plies (2, 3, 4, 5) of the circuit board (1) are interconnected, the subregion (6) to be removed is prevented from being connected to an adjacent ply (4) of the circuit board (1) by providing or applying an adhesion-preventing material (7), and peripheral zones (8) of the subregion (6) to be removed are separated from adjoining zones of the circuit board (1).

Abstract: In a method for producing a multilayer printed circuit board from a plurality of conducting or conductive and non-conducting or insulating layers or plies to be connected to each other, in particular to be pressed together, wherein after connecting at least partially planar layers at least a partial region (11) thereof is removed, and wherein in order to prevent adherence of the partial region (11) to be removed a material (8) preventing adhesion is applied in accordance with the partial region to be removed onto a layer (9) which adjoins the partial region to be removed, it is provided that the material (8) preventing adhesion is formed by a mixture comprising a release agent on the basis of at least one metal soap, preferably the fatty acid salts of Al, Mg, Ca, Na and Zn, a binding agent, and a solvent, whereby a partial region to be removed can be removed easily and reliably after appropriate treatment and/or processing steps of the multilayer printed circuit board.

Abstract: In a method for producing a multilayer printed circuit board from a plurality of conducting or conductive and non-conducting or insulating layers or plies to be connected to each other, in particular to be pressed together, wherein after connecting at least partially planar layers at least a partial region (11) thereof is removed, and wherein in order to prevent adherence of the partial region (11) to be removed a material (8) preventing adhesion is applied in accordance with the partial region to be removed onto a layer (9) which adjoins the partial region to be removed, it is provided that the material (8) preventing adhesion is formed by a mixture comprising a release agent on the basis of at least one metal soap, preferably the fatty acid salts of Al, Mg, Ca, Na and Zn, a binding agent, and a solvent, whereby a partial region to be removed can be removed easily and reliably after appropriate treatment and/or processing steps of the multilayer printed circuit board.

Abstract: In a method for integrating at least one electronic component into a printed circuit board or a printed circuit board intermediate product, the following steps are provided: providing a layer for at least temporarily supporting the electronic component, fixing the electronic component on the layer, arranging a conductive layer on the supporting layer with at least one cutout corresponding to the dimensions of the electronic component to be fixed, at least partly encapsulating or covering the component fixed on the supporting layer with an insulating material, exposing the electronic component, and at least partial regions of the conductive layer, which adjoins the component and is arranged on the supporting layer, and at least partly making contact between the electronic component and the conductive layer adjoining the component. Furthermore, a printed circuit board and a printed circuit board intermediate product having an integrated electronic component are provided.

Abstract: The invention relates to a method for removing a part of a substantially planar material layer (2) which is connected to at least one further, substantially planar material layer (9) in a connecting step. According to the invention, a zone where the material layers (2, 9) are not directly interconnected is provided in the zone where the part (11) is later on removed, said first zone being provided by applying a material (8) that prevents the material layers to be interconnected from sticking to each other. The invention also relates to a multilayer structure and to the use of the method and to a multilayer structure especially for producing a multilayer printed circuit board.

Abstract: The invention relates to a nonstick material for use during removal of a part (11) of a substantially planar material layer (2) which is connected in a connecting step to at least on further, substantially planar material layer (9). According to the invention, the nonstick material (8) has a different polarity than the adjoining, substantially planar material layers (2, 9). The invention also relates to a method for removing a part (11) of a substantially planar material layer (2) which is connected in a connecting step to at least one further, substantially planar material layer (9), to a multilayer structure which consists of at least two substantially planar material layers (2, 9) to be interconnected, and to a use of the same, especially in a multilayer printed circuit board.

Abstract: In a method for producing a multilayer printed circuit board from a plurality of conducting or conductive and non-conducting or insulating layers or plies to be connected to each other, in particular to be pressed together, wherein after connecting at least partially planar layers at least a partial region (11) thereof is removed, and wherein in order to prevent adherence of the partial region (11) to be removed a material (8) preventing adhesion is applied in accordance with the partial region to be removed onto a layer (9) which adjoins the partial region to be removed, it is provided that the material (8) preventing adhesion is formed by a mixture comprising a release agent on the basis of at least one metal soap, preferably the fatty acid salts of Al, Mg, Ca, Na and Zn, a binding agent, and a solvent, whereby a partial region to be removed can be removed easily and reliably after appropriate treatment and/or processing steps of the multilayer printed circuit board.

Abstract: The invention relates to a method for removing a part of a substantially planar material layer (2) which is connected to at least one further, substantially planar material layer (9) in a connecting step. According to the invention, a zone where the material layers (2, 9) are not directly interconnected is provided in the zone where the part (11) is later on removed, said first zone being provided by applying a material (8) that prevents the material layers to be interconnected from sticking to each other. The invention also relates to a multilayer structure and to the use of the method and to a multilayer structure especially for producing a multilayer printed circuit board.

Abstract: The invention relates to a nonstick material for use during removal of a part (11) of a substantially planar material layer (2) which is connected in a connecting step to at least on further, substantially planar material layer (9). According to the invention, the nonstick material (8) has a different polarity than the adjoining, substantially planar material layers (2, 9). The invention also relates to a method for removing a part (11) of a substantially planar material layer (2) which is connected in a connecting step to at least one further, substantially planar material layer (9), to a multilayer structure which consists of at least two substantially planar material layers (2, 9) to be interconnected, and to a use of the same, especially in a multilayer printed circuit board.