56results about How to "Shorting risk" patented technology

The invention relates to a rear-contact solar cell and to a method for producing the same. The rear-contact solar cell comprises a semiconductor substrate on the rear side surface of which emitter regions, contacted by emitter contacts, and base regions, contacted by base contacts, are defined. The emitter regions and the base regions overlap at least in overlap regions, the emitter regions in the overlap regions reaching deeper into the semiconductor substrate than the base regions, when seen from the rear side surface of the solar cell. As a result, a large area percentage of the rear side of the semiconductor substrate can be covered with a charge-collecting emitter, said emitter being at least partially buried in the interior of the semiconductor substrate so that there is no risk of the base contacts provoking a short circuit towards the buried emitter regions.

A male connector (13; 20; 30; 40) for a sensor and guide wire assembly (1) for intravascular measurements of a physiological variable in a living body comprises a number of conductive members (12) separated by insulating materials (14, 15, 16; 23, 24, 25; 33, 34; 43). According to the invention, the insulating material has a hydrophobic outer surface (16; 25; 33; 43) to prevent electrically conductive contaminations from forming a superficial, electrically conductive path between two neighbouring conductive members.

A soil or snow probe which incorporates a load cell in the probe head and also an accelerometer so that a vertical strength profile of the snow or soil can be established. The device does not need to be driven at a constant speed and can be manually driven into the soil or snow. The resistance to penetration is measured using a load cell which incorporates a low duro polymer selected for its ability to behave like a non compressible fluid. The device is portable and provides data quickly.

The coil component includes a magnetic core 130 and conductors 210 and 220. The magnetic core 130 includes through-holes that are made by grooves 111 and 112. The conductors 210 and 220 are provided in the grooves 111 and 112, respectively. The magnetic core 130 includes a nonmagnetic portion in which the grooves 111 and 112 are communicated, and a distance between the conductors 210 and 220 through the nonmagnetic portion is shorter than a distance between the conductors 210 and 220 in surfaces 110c and 110d in which the conductors 210 and 220 are exposed. Therefore, necessity to provide a large cavity in the magnetic core is eliminated, and a risk of the short circuit between terminal electrodes exposed in the surfaces 110c and 110d is also eliminated.

A multilayer ceramic capacitor includes a rectangular dielectric body having ceramic layers and multiple first internal electrodes and second internal electrodes alternatively arranged in between each two adjacent ceramic layers and respectively terminating in a respective contact in such a manner that the contacts of the first internal electrodes and the contacts of the second internal electrodes are respectively disposed at two diagonal corners of the dielectric body, and multiple terminal electrodes respectively bonded to the two diagonal corners of the dielectric body and respectively electrically connected with the contacts of the first internal electrodes and the contacts of the second internal electrodes. By means of arranging the terminal electrodes on the two diagonal corners to extend the electrode pitch, the multilayer ceramic capacitor prevents an electric arc effect or electrical fire caused by a surge voltage, eliminating the risk of a short circuit or other accidental events.

Solid-state battery structures and methods of manufacturing solid-state batteries, such as thin-film batteries, are disclosed. More particularly, embodiments relate to solid-state batteries having a current collector tab between multiple electrochemical cells. Other embodiments are also described and claimed.

A memory cell including:an active area having a channel provided between a source and a drain,a first gate provided on a first part of the channel,a portion of a first lateral spacer provided against a lateral flank of the first gate, a part of which forms a second gate provided on a second part of the channel,one of two gates forming a storing gate,the memory cell further including a portion of a second lateral spacer provided against a lateral flank of a block provided on the semi-conductor layer, the second lateral spacer being in contact with the first lateral spacer, the first and second lateral spacers being composed of similar materials, said portion of the second lateral spacer forming a part of an electrical contact pad electrically connected to the second gate.

The objectives of the present invention include to mount an electric contact or an electric connector on a printed circuit board without conducting the soldering work, and to make mounting the electric contact on a printed circuit board by an automatic machine even when the electric contact is microminiaturized. The electric contact using resin solder according to the present invention is connected to a printed circuit board, which has a conductor being provided on a surface thereof. This electric contact comprises a leg, which contacts the conductor of the printed circuit board, and a connecting part, which is connected to the conductor of the counterpart member. At least a part of the leg, which contacts the conductor of the printed circuit board, is made of a lead-free ultrahigh-conductive plastic being a conductive resin composite. The electric connector comprises the electric contact and an insulating housing, which holds the electric contact so that the part of the leg, which contacts the conductor of the printed circuit board, is exposed.

A leadframe-based semiconductor package is revealed, primarily comprising a chip, a plurality of leads of a leadframe, a multi-layer tape, and an encapsulant. The multi-layer tape is attached to the chip and includes an adhesive layer disposed on a dielectric core layer. The internal leads of the leads are partially embedded in the adhesive layer in a manner not to directly contact the dielectric core layer. A bonding interface with a U-shaped profile is formed between the adhesive layer and each internal lead to increase the adhesions of the leads so that the internal leads will not be shifted nor delaminated during molding processes. The concentrated stresses exerted on the internal leads disposed at the corners of the packages will be released and reduced.

The invention relates to a glow plug comprising a housing in which an inner conductor is disposed, a metal sleeve which is inserted into the housing, and a ceramic glow pin which is disposed in the metal sleeve, wherein the two ends of the glow pin protrude from the metal sleeve and the rear end of the pin is connected to the inner conductor, and wherein the metal sleeve has a tapering section at the rear end, the section enclosing a tapering section of the glow pin. According to the invention, the glow pin is pressed into the metal sleeve. The invention further relates to a method for connecting a pin made of functional ceramic to a metal sleeve.

The invention relates to an electromagnetic actuator including an actuating member associated with an armature and able to move under the action of at least one electromagnet, a coil, and a core suitable for channeling a flux of the coil so that the flux closes within the armature, where the core includes a base from which branches extend, including a central branch around which the coil extends, and two permanent magnets which are associated with the core. The two permanent magnets are placed in the central branch of the core in order to form a V, which separates the central branch into two parts so that any section of the core or the armature through which the flux from one or the other of the permanent magnets can pass, has an area large enough to prevent saturation by this flux.

A power distribution for an array of active electronic circuits in an antenna of a mobile communications base-station is disclosed. The power distribution comprises a first conductor connectable to a first terminal of a power supply unit, and a second conductor connectable to a second terminal of the power supply unit. The first conductor and the second conductor are at least partly bare and rigid, and are routed to the antenna-embedded radios in a manner separate from each other.

The present disclosure provides a secondary battery and a manufacturing method therefore. The secondary battery comprises a case, an electrode assembly and a cap assembly. The case has four side walls and a bottom wall which enclose an internal space; the electrode assembly is received in the internal space of the case. The cap assembly is provided to a top of the case and seals the electrode assembly in the internal space; the cap assembly comprises a safety mechanism configured to make an electrical current not flow through the electrode assembly when a gas pressure in the internal space reaches a predetermined value. At least one of the four side walls of the case bulges outwardly, and the internal space protrudes correspondingly. The secondary battery according to the present disclosure can provide an expanding space for an electrode plate of the electrode assembly, avoid the electrode plate being fractured by the internal pressure, prevent the electrolyte being squeezed out of the electrode assembly and avoid the infiltration capability of the electrode assembly decreasing, reduce risk of short circuit of the secondary battery, slow down the decay of cycle performance and prevent the diving of cycle performance, improve service life of the secondary battery. At the same time, the secondary battery also can avoid the gas-pressure type safety mechanism of the secondary battery being actuated in the normal state and prevent failure.

An electrical machine, in particular a generator, preferably a claw pole generator, having a contact element for electrically connecting electrical components, which is made up of a generally arc-shaped, electrically non-conductive substrate having arc end areas, including electrical conductors for connecting the components. At least one of the electrical conductors is designed as an external connection conductor, which runs outside the substrate from one arc end area to the other arc end area.

The invention relates to a glow plug comprising a housing in which an inner conductor is disposed, a metal sleeve which is inserted into the housing, and a ceramic glow pin which is disposed in the metal sleeve, wherein the two ends of the glow pin protrude from the metal sleeve and the rear end of the pin is connected to the inner conductor, and wherein the metal sleeve has a tapering section at the rear end, the section enclosing a tapering section of the glow pin. According to the invention, the glow pin is pressed into the metal sleeve. The invention further relates to a method for connecting a pin made of functional ceramic to a metal sleeve.

An electro-optically active organic diode has anode electrode (102), a cathode electrode (122), an electro-optically active organic layer (110) arranged between the electrodes (102, 122) and a charge carrier organic layer (116) arranged between said electro-optically active organic layer (110) and said cathode electrode layer (122), and adjacent to said electro-optically active organic layer (110). The charge carrier organic layer (116) is formed of a highly doped organic semiconductor material. A short protection layer (120) is arranged between said cathode electrode layer (122) and said charge carrier organic layer (116), and adjacent to said cathode electrode layer (122), wherein said short protection layer (120) is formed of an inorganic semiconductor material. The short protection layer prevents direct contact between the cathode layer and the charge carrier organic layer, which reduces the risk that the cathode layer will have detrimental impact on the charge carrier organic layer. This reduces the risk of a short to occur between the cathode and the anode, which results in increased reliability of the organic diode.

A stacked electro-optically active organic diode has an anode electrode (102), a cathode electrode (162), a first electro-optically active organic layer (110) arranged between the electrodes (102, 162), and a second electro-optically active organic layer (130) arranged between said first active organic layer (110) and said cathode (162). A low electron affinity layer (120) is arranged between the first electro-optically active organic layer (110) and the second electro-optically active organic layer (130), and is formed of a first transparent inorganic semi-conductor material. A high electron affinity layer (121) is arranged between said second electro-optically active organic layer (130) and the low electron affinity layer (120), and is formed of a second transparent inorganic semiconductor material, wherein said second transparent inorganic semiconductor material has a higher electron affinity than said first inorganic semiconductor material. The low and high affinity layers (120, 121) constitute a connection layer of only two semiconductor (sub-)layers which allow for transparent, thick layers, and as a result the diode can be both efficient and reliable.

A system and method for shielding electromagnetic radiation includes an apparatus for shielding electromagnetic radiation. The apparatus includes a conductive surface comprised of electrically-conductive plastic. The apparatus further includes a flexible element comprised of electrically-conductive plastic extending from the conductive surface. The element is operable to contact an adjacent surface abutting the flexible element and form a conductive connection with the adjacent surface. When assembled with other components in a housing, the electrically-conductive surface and the flexible element may form a portion of a Faraday shield.

The invention relates to a button lithium ion battery, a preparation method thereof, and a method of producing a lithium ion cell composite flat sheet, wherein the button lithium ion battery comprises a battery housing, a cell accommodated in the battery housing and an electrolyte filled in the battery housing; the cell is formed by winding a composite flat sheet in which a first separator, a positive piece, a second separator and a negative piece are sequentially stacked and hot-laminated to form an integrated structure. The cell of the button lithium ion battery is formed by winding a composite flat sheet, so that winding efficiency can be improved, and misalignment can be avoided; moreover, chances of hand contact can be reduced, the influence of dust and water vapor can be avoided, and the quality of the lithium battery can be improved to the maximum extent.

The present invention relates to an aqueous composition for and a process for etching copper and copper alloys applying said aqueous composition. The aqueous composition comprises a source for Fe3+ ions, at least one acid, at least one triazole or tetrazole derivative, and at least one etching additive selected from N-alkylated iminodipropionic acid, salts thereof, modified polyglycol ethers and quaternary ureylene polymers. The aqueous composition is particularly useful for making of fine structures in the manufacture of printed circuit boards, IC substrates and the like.

A surgical instrument includes an elongated shaft, with components arranged in the shaft. The elongated shaft is slightly curved. Arranged on a proximal end of the surgical instrument is an actuation device in the form of a lever mechanism and rotary knob. A force transmission element in the form of a plastic hollow section is arranged in the shaft. The force transmission element is a plastic section designed for transmitting compressive and tensile forces. The plastic section is provided with a plurality of longitudinally extending channels. Therefore, the plastic section does not only serve as a force transmission element, but electric lines and a pull-push shaft may additionally extend in the channels. The longitudinal channels may be used for supplying cooling media for the electrodes or the thermo-fusion device or for feeding agents promoting wound repair. The plastic section is electrically insulating, so that the risk of short-circuits is reduced.

A method for machining workpieces provides a machining electrode, which is guided at a specific distance to the workpiece. An electrolyte is provided between the workpiece and the machining electrode, through which an operating current flows between the machining electrode and the workpiece. The operating current results from an operating voltage (UA), which is produced at the machining electrode, the workpiece being connected to ground. To perform the machining procedure, the distance between the machining electrode and the workpiece is regulated and the operating voltage (UA) is determined in such a way that the resulting operating current is a DC current or a pulsed DC current—i.e., the operating voltage is a DC voltage of fixed or specific dimension. A measuring voltage (UM) is superimposed on the operating voltage (UA) for producing the operating current. The measuring current resulting because of the application of the measuring voltage (UM) is detected and the distance between the machining electrode and the workpiece is concluded from the relationship between the measuring voltage (UM) and the measuring current.

The invention provides a thin-film semiconductor device, which reduces or prevents an undercut from being produced below a thin film when a pattern including an intersection is formed in the thin film. The invention also provides a method of manufacturing the same. A semiconductor film has a pattern including a bent shape or a projected shape. One line segment and another line segment, which define an intersection of the bent shape or the projected shape and which are consecutive, have an additional line segment interposed between ends of the one line segment and the other line segment form a smooth intersection in which each of the angles formed between the additional line segment and the one line segment and between the additional line segment and the other line segment is greater than 90° and less than 180°.

Provided is a method for fabricating a semiconductor device, which includes the following steps. First, a substrate having at least one transistor is provided. A first insulation layer is formed to cover the transistor. The first insulation layer is patterned to form at least one opening, wherein a part of the transistor is exposed by the opening. At last, an epitaxy is formed in the opening to cover the part of the transistor.

The present invention relates to a power switch, which includes a housing, a key pivotally connected to the housing, a first conductive plate having one end in the housing, a thermally actuated metal plate having one end fixed to the first conductive plate and a free end extending within the housing, a C-shaped spring having two ends engaged with the thermally actuated metal plate, a second conductive plate having one end in the housing, an insulating seat accommodated in the housing, a light-emitting unit located in the key and having two electrodes connected to the insulating seat, and a third conductive plate having one end in the housing. Thus, the light-emitting unit can be easily installed in the housing along with the insulating seat, and the electrodes can directly connect with the second and third conductive plates respectively, so as to make the power switch suitable for automated production.

A preparation method for a metal soft magnetic composite material inductor includes: smelting Fe, Si and Cr and then employing a water atomization or gas atomization means to fabricate an alloy powder; after sifting by particle size, mixing powders of different particle size levels and performing coating insulation, and performing post-granulation to obtain a metal soft composite material granulation powder; adopting the granulation powder to press a material cake, and transferring and molding same; adopting a hollow coil in a liquid-phase coating mold cavity, curing and demolding to obtain a semi-finished product, then continuously heating and curing the semi-finished product, and preparing an end electrode to obtain a finished inductor.

The present disclosure relates to a touch screen panel and a touch display device. Several isolation electrodes are arranged in gaps between adjacent touch electrodes, and the isolation electrodes and the touch electrodes are insulated from each other. Therefore, even if a touch electrode and an adjacent isolation electrode are short-circuited during production, such a short circuit will only integrate the isolation electrode into part of the touch electrode while the isolation electrode is still insulated from other touch electrodes, since the isolation electrode is isolated from both other isolation electrodes and other touch electrodes. In this way, the risk of short circuits in the touch screen panel will be greatly reduced.

The present invention relates to an aqueous composition and a process for etching of copper and copper alloys. The aqueous composition comprises Fe3+ ions, an acid and a N-alkoxylated polyamide. The aqueous composition is particularly useful for making of fine structures in the manufacture of printed circuit boards, IC substrates and the like.