Abstract:
PROBLEM TO BE SOLVED: To provide a monolithic integrated high-voltage resistance structure having an IGBT(insulated gate bipolar transistor) device which has structural and functional characteristics capable of suppressing the occurrence of a parasitic transistor and which overcomes a limited condition and defect affecting the above conventional devices. SOLUTION: In the device in which a second conductive semiconductor layer(19) is integrated on a laminated first conductive semiconductor substrate(16) and which includes a resistance structure(17) for voltage control and an IGBT device(18), the resistance structure(17) surrounds a part(22) of the semiconductor layer(19), shows the first conductive type, and includes at least one of substantially ring-like regions(21a). COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a means for reducing packaging costs by reducing a memory size when packaging a turbo code / convolution code decoder. SOLUTION: The compound turbo code / convolution code decoder utilizes again an input/output RAM of a turbo code decoding means as an alpha or beta RAM for a convolution code decoding means. Further, command units (SM and LLR) are used for both a turbo code and a convolution code. An effective hardware folding schemer calculate 256 states successively on 8 ACS unit. COPYRIGHT: (C)2004,JPO
Abstract:
A MEMS device (17) formed by a body (2); a cavity (25), extending above the body; mobile and fixed structures (18, 19) extending above the cavity and physically connected to the body via anchoring regions (16); and electrical-connection regions (10a, 10b, 10c), extending between the body (2) and the anchoring regions (16) and electrically connected to the mobile and fixed structures. The electrical-connection regions (10a, 10b, 10c) are formed by a conductive multilayer including a first semiconductor material layer (5), a composite layer (6) of a binary compound of the semiconductor material and of a transition metal, and a second semiconductor material layer (7).
Abstract:
An electronic device includes a silicon substrate (2) having a first side and a second side. A structural layer of gallium nitride (6) is formed over the first side of the silicon substrate and includes an active area of the electronic device. A transition layer (8) is provided between the substrate and the structural layer. The transition layer electrically and/or thermally insulated the substrate and the structural layer from one another. A via hole (20) made of a conductive material extends through the structural layer and the transition layer. The via hole is electrically and/or thermally connected to the active area of the electronic device and to the substrate.
Abstract:
The present invention relates to a method and an apparatus for manufacturing lead frames. According to the present invention, a coating layer (120) is formed on one or more predefined portions (A, B, C, D, E, F, G, H) of the surface (110s) of the substrate (100) of the lead frame (100) by delimiting the predefined portions (A, B, C, D, E, F, G, H) by means of screen printing. The employment of screen printing allows the obtainment of large amounts of lead frames with excellent electronic and structural properties in a quick and cost-effective way.
Abstract:
4D data ultrasound imaging system (100) comprising a matrix (10) of transducer elements (3) suitable for transmitting and for receiving ultrasound signals, said transducer elements (3) being divided into sub-matrixes (21) suitable for receiving in a delayed way a same acoustic signal, a plurality of reception channels (22) with one of said reception channels (22) being associated with one of said transducer elements (3), a beamformer device (109) comprising a plurality of storage cells (111) arranged in re-phasing matrixes (112), each re-phasing matrix (1 12) being associated with a corresponding sub-matrix (21) with each row (Ri) associated with one of said transducer elements (3), said storage cells (111) comprising an input storage stage (In) that is selectively associated with a row (Ri) and a reading output stage (Out) that is selectively associated with a buffer (16); each storage cell (111) that belongs to a same column (Coi) has the input stage (In) that is dynamically activated in sequential times with respect to another storage cell (11 1) of the same column (Coi) for storing the same delayed acoustic signal, said storage cells (1 11) that belong to the same column (Coi) have the output stage (Out) that is simultaneously activated.