Patent classifications
H10D8/25
Photoelectric device and method of manufacturing the same
A photoelectric device includes an electrode structure, an LED (light emitting diode) element, a zener diode and a reflective cup. The LED element, the zener diode and the reflective cup are arranged on the electrode structure. The LED element and the zener diode are electrically connected in anti-parallel with each other. The reflective cup comprises an inner surface defined thereof and a nick defined in an outside of the reflective cup. The LED element is surrounded by the inner surface of the reflective cup and the zener diode is arranged in the nick.
Power Semiconductor Transistor Having Increased Bipolar Amplification
A transistor includes first and second load terminals and a semiconductor body coupled to both terminals. The semiconductor body includes: a drift region having dopants of a first conductivity type; a transistor section for conducting a forward load current and having a control head coupling the first load terminal to a first side of the drift region; and a diode section for conducting a reverse load current. A diode port couples the second load terminal to a second side of the drift region and includes: a first emitter electrically connected to the second load terminal and having dopants of the first conductivity type for injecting majority charge carriers into the drift region; and a second emitter having dopants of a second conductivity type for injecting minority charge carriers into the drift region. A pn-junction transition between the first and second emitters has a breakdown voltage of less than 10 V.
OPTOELECTRONIC DEVICE WITH LIGHT-EMITTING DIODES COMPRISING AT LEAST ONE ZENER DIODE
The invention relates to an optoelectronic device (1) comprising light-emitting diodes produced in a material mostly comprising a same semiconductor compound and arranged such that: a plurality of N light-emitting diodes (40), N>2, are connected in series and capable of being forward-biased; at least one light-emitting diode (50) is connected in parallel to the plurality of the N light-emitting diodes (40), and capable of being reverse-biased thus forming a Zener diode; the number N of said light-emitting diodes (40) connected in series being adapted such that the sum of the N threshold voltages (Vs) is lower than the breakdown voltage (Vc) of the Zener diode.
ZENER DIODE HAVING AN ADJUSTABLE BREAKDOWN VOLTAGE
The present disclosure relates to a Zener diode including a Zener diode junction formed in a semiconductor substrate along a plane parallel to the surface of the substrate, and positioned between a an anode region having a first conductivity type and a cathode region having a second conductivity type, the cathode region extending from the surface of the substrate. A first conducting region is configured to generate a first electric field perpendicular to the plane of the Zener diode junction upon application of a first voltage to the first conducting region, and a second conducting region is configured to generate a second electric field along the plane of the Zener diode junction upon application of a second voltage to the second conducting region.
Light emitting device package
A light emitting device package is provided. The light emitting device package may include a main body having a cavity including side surfaces and a bottom, and a first reflective cup and a second reflective cup provided in the bottom of the cavity of the main body and separated from each other. A first light emitting device may be provided in the first reflective cup, and a second light emitting device may be provided in the second reflective cup.
Chip part and method of making the same
A chip part includes a substrate, an element formed on the substrate, and an electrode formed on the substrate. A recess and/or projection expressing information related to the element is formed at a peripheral edge portion of the substrate.
METHOD OF FORMING A BICMOS SEMICONDUCTOR CHIP THAT INCREASES THE BETAS OF THE BIPOLAR TRANSISTORS
The betas of the bipolar transistors in a BiCMOS semiconductor structure are increased by forming the emitters of the bipolar transistors with two implants: a source-drain implant that forms a first emitter region at the same time that the source and drain regions are formed, and an additional implant that forms a second emitter region at the same time that another region is formed. The additional implant has an implant energy that is greater than the implant energy of the source-drain implant.
Cascoded semiconductor device
A semiconductor device of an embodiment includes a normally-off transistor having a first source electrically connected to a source terminal, a first drain, and a first gate electrically connected to a gate terminal, a normally-on transistor having a second source electrically connected to the first drain, a second drain electrically connected to a drain terminal, and a second gate, a capacitor having one end electrically connected to the gate terminal and the other end electrically connected to the second gate; and a first diode having a first anode electrically connected to the capacitor and the second gate and a first cathode electrically connected to the first source.
Chip diode and method for manufacturing same
The present invention is directed to a chip diode with a Zener voltage Vz of 4.0 V to 5.5 V, including a semiconductor substrate having a resistivity of 3 m.Math.cm to 5 m.Math.cm and a diffusion layer formed on a surface of the semiconductor substrate and defining a diode junction region with the semiconductor substrate therebetween, in which the diffusion layer has a depth of 0.01 m to 0.2 m from the surface of the semiconductor substrate.
Diodes with multiple junctions
A diode includes a semiconductor substrate having a surface; a first contact region disposed at the surface of the semiconductor substrate and having a first conductivity type; and a second contact region disposed at the surface, laterally spaced from the first contact region, and having a second conductivity type. The diode also includes a buried region disposed in the semiconductor substrate vertically adjacent to the first contact region, having the second conductivity type, and electrically connected with the second contact region; and an isolation region disposed at the surface between the first and second contact regions. The diode also includes a separation region disposed at the surface between the first contact region and the isolation region, the separation region formed from a portion of a first well region disposed in the semiconductor substrate that extends to the surface.