Abstract:
A process for producing a multilayer ceramic substrate, in which with respect to a multilayer ceramic substrate prepared by non-shrinking process, there can be avoided flawing of a wiring conductor formed on a surface of the multilayer ceramic substrate. On at least one major surface of a laminate composed of, superimposed one upon another, multiple ceramic green sheets (11) for substrate containing a ceramic material powder, shrinkage inhibiting green sheets (21,25) containing an inorganic material powder not sintered at firing temperature for the ceramic green sheets (11) for substrate are disposed so as to, along at least portion of the periphery of the major surface, realize exposure of the portion or the vicinity thereof, thereby obtaining a composite laminate. The composite laminate is fired under such conditions that the ceramic material powder is sintered but the inorganic material powder is not sintered. Thereafter, the shrinkage inhibiting green sheets (21,25) are removed. In multilayer ceramic substrate (10t), protrusions (12x,12y) are produced along at least portion of the periphery of major surface (11t).
Abstract:
Die Erfindung betrifft einen Trägerkörper (1, 2) für elektrische oder elektronische Bauelemente (6a, 6b, 6c, 6d) oder Schaltungen, wobei der Trägerkörper (1, 2) elektrisch nicht oder nahezu nicht leitend ist, der Trägerkörper (1, 2) einstückig mit Wärme ab- oder zuführenden Kühlelementen (7) versehen ist, der Trägerkörper (1, 2) eine Platine ist und auf der Oberfläche des Trägerkörpers (1, 2) versinterte Metallisierungsbereiche (41) aufgebracht sind. Erfindungsgemäß wird vorgeschlagen, dass der Trägerkörper (1, 2) und/oder das Kühlelement (7) aus einem Kompositmaterial besteht und das Kompositmaterial elektrisch nicht oder nahezu nicht leitende Matrixmaterialien mit Wärme leitenden Zuschlagstoffen enthält.
Abstract:
The invention relates to a method of aligning a flexible foil sheet having a general first foil sheet length direction to form stacked foil sheet layers on a reel having a reel diameter. The method comprises providing multiple alignment markers in the foil sheet, distanced conform the reel diameter and each having an mark length direction transverse to the first foil sheet length direction, to form protrusions and corresponding recesses on opposite faces of the foil sheet; winding the foil sheet on the reel in the first foil sheet length direction of the foil sheet; and co-aligning the alignment markers to have protrusions of one mark matching with a recess of another mark, so as to block relative movement of the stacked foil sheet layers in the first foil sheet length direction. Preferably, the foil sheet layers are provided with device functionality to form a stacked foil sheet layered device.
Abstract:
Methods are disclosed for manufacturing electronic devices (e.g., transistors, and etc.), solar arrays, optical display arrays, portions of such devices and arrays, and the like. The method involves preparing substrate pre-forms comprising a pattern of raised and recessed areas. Utilizing a scrape coating and/or a tip printing process, various electronic and solar arrays are manufactured.
Abstract:
A substrate (101) includes a storage portion (101C) which is defined by a base for mounting a light emitting element (102) and a wall portion standing up on and from the base. A package (100) is structured such that the upper end of the wall portion so formed as to surround the periphery of the storage portion (101C) is connected to a cover (103) to thereby seal a light emitting element. A seal structure (130; 330; 430) is composed of an uneven portion (140; 340) formed on the lower surface side surface of the base (101A), a close contact layer (150) formed on the surface of the uneven portion (140; 340), a power supply layer (160) formed on the close contact layer (150), and an electrode layer (170) formed on the surface of the power supply layer (160). The uneven portion(140; 340) includes a first recessed portion (180) formed at a position spaced in the radial direction from the outer periphery of a through electrode (107) or from the inner wall of a through hole (120), and a second recessed portion (190) formed at a position spaced further outwardly from the first recessed portion (180).
Abstract:
To provide a method for manufacturing a multilayer ceramic board that can prevent a wiring conductor formed on the face of a multilayer ceramic board fabricated with non-contraction process from being damaged. On at least one principal face of a layered body, made up of a plurality of board ceramic green sheets 11 including ceramic material powder, contraction prevention green sheets 21 and 25 including inorganic material powder which is not sintered at the baking temperature of the board ceramic green sheet 11 are disposed such that along at least a part of the outer circumference of the principal face the part and the nearby portion thereof are exposed to form a compound layered body, the compound layered body is baked under a condition in which the ceramic material powder is sintered, and the inorganic material powder is not sintered, following which the contraction prevention green sheets 21 and 25 are removed. With a multilayer ceramic board 10t, protruding portions 12x and 12y are formed along at least a part of the outer circumference of a principal face 11t.
Abstract:
Disclosed is an apparatus and method for a magnetic component. The magnetic component 400 includes a substrate 402 having a feature 406 and a first conductive pattern 408 disposed on the feature. The magnetic component also includes a permeability material disposed within the feature. A substrate material 416 is disposed on the substrate to facilitate substantial enclosure of the permeability material between the substrate and the substrate material 410, where the substrate material has a second conductive pattern 414. The first conductive pattern and the second conductive pattern cooperate to be capable of facilitating magnetic properties of the permeabilit material.
Abstract:
In a composite porous resin base material (1), a porous resin film (2) is provided with a functional section (3) whereupon an electrode (4) and/or a circuit is formed. On the periphery surrounding the functional section (3), a step (5) having a height different from that of the functional section (3) is formed, and a frame plate (6) is arranged on a plane of the step (5). Provided is the composite porous resin base material which has a structure wherein the frame plate having rigidity is attached to the porous resin base material whereupon the electrode and/or a circuit is formed without deteriorating characteristics such as elasticity and conductivity of the porous resin base material.