Class 257/E25.026 - Devices being arranged next to each other (EPO)

Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E25.024. This subclass
No. of patents: 84
Last issue date: 03/09/2004

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Number	Title	Issue Date
6704201	Power feed and heat dissipating device for power semiconductor devices In an electric circuit using a plurality of power semiconductor devices 1, the power semiconductor devices have heat radiation metallic parts 5 to which the electrodes in the power semiconductor devices are electrically connected within a package of the s...	03/09/2004
6661662	Vehicular modular design multiple application rectifier assembly A rectifier assembly includes two substantially identical and interchangeable heat sink plates mounted parallel to each other in spaced relation. Each heat sink plate has identically positioned diode mounting holes. A plurality of rectifier diodes are mou...	12/09/2003
6552908	Vehicular modular design multiple application rectifier assembly having outer lead integument A rectifier assembly includes two substantially identical and interchangeable heat sink plates mounted parallel to each other in spaced relation. Each heat sink plate has a plurality of identically positioned diode mounting holes. A plurality of rectifier...	04/22/2003
6542365	Coolant cooled type semiconductor device A coolant cooled type semiconductor device capable of achieving a superior heat radiation capability is provided, while having a simple structure. While a plurality of semiconductor modules are arranged in such a manner that main surface directions of the...	04/01/2003
6538878	Bus bar assembly The present invention relates to a bus bar assembly comprising a high power transistor module directly mounted to a bus bar. The bus bar has an improved solderability characteristic and is designed so that a solid, effective soldered connection results du...	03/25/2003
6359331	High power switching module A power switching module includes a substrate having at least one silicon die forming at least one power switching element and having leadframe terminal posts extending away therefrom. A planar negative rail layer providing a negative power supply and inc...	03/19/2002
6359352	Vehicular AC generator The invention reduces ripples of a rectified output caused by setting a neutral-point diode and improves a generated output by preventing excessive heat generation. First and second stator windings are configured by Y-connecting a pair of three windings o...	03/19/2002
6295201	Bus bar having embedded switching device A bus bar assembly having a high-speed switching device, a bus bar, and a heat sink. The switching device is integrated into a cavity on the top surface of the bus bar, and the heat sink is mechanically coupled to the bottom surface of the bus bar. The bu...	09/25/2001
6285552	Rectifier of an alternating current generator for vehicle A heat sink of an alternating current generator for a vehicle has a heat sink body formed from aluminum die-cast. An insert member is provided on the heat sink body and a diode is provided on the insert member. The insert member (1) surrounds the side wal...	09/04/2001
6254423	Power diode terminal holder mounting arrangement A power diode terminal holder mounting arrangement includes a copper plate connected between two chips on a heat sink above a ceramic plate, and a terminal holder soldered to the copper plate, the copper plate having a circular hole through a flat base th...	07/03/2001
6239987	Case for semiconductor circuit of a surge protector First and second thermoplastic case parts house a surge protector semiconductor subassembly having a plurality of components. The first and second thermoplastic case parts are substantially identical, and each case part has a semiconductor subassembly rec...	05/29/2001
6181007	Semiconductor device A semiconductor device is provided which includes a plurality of semiconductor units each including a semiconductor chip, a support plate, a contact terminal block and a positioning guide, a flat package including a pair of common electrode plates and an ...	01/30/2001
6150196	Method of manufacturing automobile AC generator and method of manufacturing rectifier used in automobile AC generator First, a rectifier assembly is assembled from a negative heat sink assembly, a positive heat sink assembly, a circuit board assembly, and a guide. Subsequently, stator coil connecting terminals of the rectifier assembly are chucked by using a grounded chu...	11/21/2000
6121699	AC generator for motor vehicles A motor vehicle AC generator including a rectifier in which a direct-fitting surface of a negative-polarity side cooling plate is brought closely into contact with a casing direct-fitting surface of a rear bracket and is fixedly tightened with a fitting s...	09/19/2000
5982031	Power semiconductor module with closed submodules The present invention discloses a power semiconductor module 10 having encapsulated submodules 1 which, for example, is suitable for power switches, rectifiers for the like in industrial or traction drives. The submodules 1 have a sandwiched structure mad...	11/09/1999
5874774	Flat package semiconductor device A semiconductor device is provided which includes a plurality of semiconductor chips each of which has a first main electrode and a control electrode on a first main surface and a second main electrode on a second main surface, and a plurality of support ...	02/23/1999
5828564	Rectifier heat dissipation A rectifier excellent in terms of heat sink performance, product quality, and cost including a one-way conducting device for rectifying an alternating current, wherein the one-way conducting device includes a metal base serving as one electrode and having...	10/27/1998
5821674	Rectifier device with heat sink and output connectors adapted for hard-wire connection A rectifier device comprises a heat conductive housing including a plurality of cooling fins; a plurality of diodes disposed within the housing and thermally connected thereto such that heat generated by the diodes during operation is transferred to the h...	10/13/1998
5812388	Bridge rectifier for diode-rectified alternating current generator An improved bridge rectifier for an alternating current generator includes a first heat sink having a first diode, and an insulating layer disposed on the first heat sink. In addition, the improved bridge rectifier includes a second heat sink disposed on ...	09/22/1998
5731653	Low resistance current transfer device for a circuit of a brushless exciter A brushless exciter diode wheel system includes a diode wheel and an electrical connection apparatus that is coupled to the diode wheel. The electrical connection apparatus includes a fuse support block, a diode support block, and a connector for electric...	03/24/1998
5579217	Laminated bus assembly and coupling apparatus for a high power electrical switching converter A laminated bus assembly including a high power coupler to provide a low impedance, low noise laminated bus assembly for a switched converter that includes a plurality of switch pairs to convert between an AC power line and a DC device. The laminated bus ...	11/26/1996
5528073	Bus bar having reduced parasitic inductances and equal current path lengths A bus bar having reduced parasitic inductance and equal current path legends. A bus bar of the present invention has a first plate connected to a collector of a first transistor, a collector of a second transistor, an emitter of a third transistor and an ...	06/18/1996
5430326	Semiconductor device for mounting on a printed wiring board A semiconductor device includes at least one semiconductor element contained in a casing, with main terminals and auxiliary terminals drawn from the semiconductor electrodes disposed on the upper face of the casing. The main terminals and the auxiliary te...	07/04/1995
5424594	Vehicle alternator output rectifier instrument capable of high temperature operation A vehicle alternator output rectifier instrument in which mesa structure Zener diodes, formed by diffusion of impurity on a P-type silicon substrate, are used as rectifier elements which are used in rectifier circuits for rectifying an alternate current o...	06/13/1995
5388028	Low impedance interconnection assembly for high frequency switching power semiconductor devices and low inductance modular capacitor A low impedance interconnection assembly for use with high frequency switching power semiconductor devices includes a low inductance modular capacitor, multi-layer planar bus structure and semiconductor switching devices assembled as a laminated unitary s...	02/07/1995
5365424	High power laminated bus assembly for an electrical switching converter A low impedance, low noise laminated bus assembly for a high power switched converter that has a plurality of switch pairs including a -DC switch and a +DC switch for high speed switching to convert between an AC power line and a DC power storage device s...	11/15/1994
5339218	Surface mount device A circuit board assembly comprising a surface-mounted microelectronic device combination, including a metallic base member having an insulating layer thereon, and a plurality of electrically conductive mounting pads patterned on the insulating layer. At l...	08/16/1994
5331231	Rectifier device for three-phase generators in vehicles The rectifier device has a metallic front cooling plate and a rear cooling plate spaced from each other and extending parallel to each other; positive diodes arranged on one cooling plate and negative diodes arranged on the other cooling plate; a printed ...	07/19/1994
5243218	Cooling structure for electronics devices A cooling structure for LSI or the like devices to be mounted in a small size electronic apparatus housing. A main printed circuit board has mounted thereon first electronic devices with low heat generation; at least one auxiliary printed circuit board ha...	09/07/1993
5206793	Diode with electrodes and case assembled without soldering or crimping, and rectifier bridge made with such diodes A diode assembly having electrodes and a case assembled without soldering or crimping, wherein the electrodes are maintained connected to respective opposite faces of a diode chip by simple intimate contact of electrical and thermal conduction under the p...	04/27/1993
5172310	Low impedance bus for power electronics A low impedance, high power bus for conduction of electrical power with reduced transient signal effects is described herein. The high power bus can be applied as a high power supply bus between a constant voltage source and a plurality of switching cells...	12/15/1992
5168425	Mounting arrangements for high voltage/high power semiconductors A mounting arrangement for a pair of relatively high voltage, press-pack semiconductors positioned in spaced apart relationship on a support surface of a heat sink comprises an enclosure formed of electrically insulative material having a mounting surface...	12/01/1992
5124603	Rotating rectifier assembly A rotatable rectifier assembly has four rectifiers each comprising a group of bead type diodes mounted between axially spaced electrical conductors, the conductors being pre-loaded together to enable the diode connections to better withstand centrifugal f...	06/23/1992
5065484	Rotating rectifier assembly A rotating rectifier assembly which can be used in a brushless electrical generator comprises an arrangement for supporting diode semiconductor devices in an axially loaded assembly of components within a housing of the rectifier assembly without compress...	11/19/1991
5043614	Alternator rectifier bridge assembly An alternator rectifier bridge is incorporated into an alternator housing by inserting half of the diodes of the bridge into apertures formed into an alternator housing end plate which then serves as one output for the alternator and also as a massive hea...	08/27/1991
5012145	Rotating rectifier assembly for brushless generator The high cost of fabricating a rotating rectifier assembly may be reduced in a construction including first and second tubular, generally cylindrical housing sections (12), (14), of insulating material in end to end abutment. Each of the sections (12), (1...	04/30/1991
4994890	Rectifier structure with individual links The rectifier structure comprises a plurality of diodes including opposed first and second terminals. A plate electrically connects the first terminals to one another. A retainer locates the diodes on the plate. A plurality of individual links including a...	02/19/1991
4965658	System for mounting and cooling power semiconductor devices Semiconductor apparatus for mounting and cooling disc type semiconductor devices. The apparatus includes two disc type semiconductor devices each having a pole face thereof in contact with a first terminal bar, that bar in turn being in contact, through t...	10/23/1990
4959707	Rotating rectifier assembly A rotating rectifier assembly which can be used in a brushless electrical generator comprises an arrangement for supporting diode semiconductor devices in an axially loaded assembly of components within a housing of the rectifier assembly without compress...	09/25/1990
4952829	Rectifier arrangement In a rectifier supporting device for (three-phase) generators which is intended particularly for motor vehicles, buses and the like, cooling plates carrying the rectifier diodes are constructed as heat sinks following the circular shape of an end shield o...	08/28/1990

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Class 257/E25.026 - Devices being arranged next to each other (EPO)