Abstract:
PROBLEM TO BE SOLVED: To provide a beam radiation semiconductor device, capable of easily stabilizing a peak wavelength or an easy method of stabilizing the beam radiation semiconductor device. SOLUTION: At least one electrical heating element 2 for heating a semiconductor device is arranged in a semiconductor device 1. An electrical heating element is arranged in the semiconductor device 1, and when the operating temperature of the semiconductor device is lower than the predetermined target value, the semiconductor device is heated by using the heating element. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an apparatus with microoptical component arranged on a substrate in which labor and time are saved for position adjustment, a method of adjusting the position of the apparatus and an optical system furnished with the apparatus. SOLUTION: A position adjusting and connecting part is provided between a microoptical component 5 and the substrate 10, the position adjusting and connecting part has a first connection element 15 and a second connection element 20, both connection elements 15 and 20 have a first surface 15A and a second surface 20A which are fitted and in contact with each other, and the first surface 15A and the second surface 20A enables position adjustments at various relative positions. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation light-emitting semiconductor component element which has improved reliability and is easily manufactured. SOLUTION: The device includes a previously produced composite-part; the composite part has a lead frame, and molded casing parts and at least one semiconductor chip on the lead frame; and the semiconductor chip is fixed on the lead frame of the composite part by high-melting-temperature brazing connection. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a laser apparatus for generating electromagnetic radiation, the output power of which has been raised, and the radiation quality of which has been improved advantageously. SOLUTION: A crystal array body 14 and a pump source 1 are provided. In this case, the crystal array body 14 has a laser gain crystal 3 and an optically nonlinear frequency translation crystal 4. Further, the pump source 1 has a cylindrical lens 7 and another lens 8 suitable to input-coupling at least two pump beams 2 separated spatially from each other to the crystal array body 14 and the crystal array body 14 has a sawing groove 9 extending in parallel to the pump beam. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a surface emission semiconductor laser having an improved in-resonator filter for stabilizing a radiation wavelength and controlling a spectrum width of radiation. SOLUTION: The laser resonator includes an interference filter, and the interference filter comprises an interference layer system comprising a plurality of dielectric layers. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an especially compact semiconductor laser module. SOLUTION: The semiconductor laser module includes a module carrier with a fixing surface, a pumping device arranged on the fixing surface, a surface emission semiconductor laser arranged on the fixing surface, and a frequency converter arranged on the fixing surface, wherein the maximum fixing surface of the module carrier is 100 m 2 , the surface emission semiconductor laser includes a fixing block having an upper surface and a fixing surface, and at least one semiconductor laser chip arranged on the upper surface of the fixing block, the fixing surface of the fixing block extends substantially perpendicularly to the upper surface of the fixing block, and the surface emission semiconductor laser is fixed onto the fixing surface of the module carrier by the fixing surface of the module carrier. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an optically-pumped surface emitting semiconductor laser having a particularly stable laser emission in terms of time above all, and an optical projection device having such a semiconductor laser. SOLUTION: In an optically-pumped surface emitting semiconductor laser, a mode selection device is provided for suppressing a relatively high resonance mode of a semiconductor laser that can be previously set, and in this semiconductor laser, the mode selection device is fixedly connected to a semiconductor body of the semiconductor laser. Further, an optical projection device has a control electronics for the optically-pumped surface emitting semiconductor laser, and such a semiconductor laser. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To simply manufacture a semiconductor element having a curved mirror with a cost advantage. SOLUTION: In a semiconductor component equipped with a semiconductor having the curved mirror integrated into the semiconductor monolithically, a semiconductor layer on a thinned stress fixing layer made of metal or an alloy is pressed via the stress fixing layer, thus giving compressive or tensile stress to the semiconductor layer for forming the curved semiconductor mirror. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To improve a semiconductor laser device to modulate an output power at a high speed. SOLUTION: A surface emission semiconductor laser device is provided with a perpendicular emitter (20) that can be optically pumped, which is provided with at least one modulation beam source (30) to modulate an output power of the surface emission semiconductor laser device that is a type having a beam formation layer (14). The modulation beam source includes an edge radiation semiconductor structure (15) having an active layer forming a beam, and the modulation beam source is arranged to radiate a beam from the semiconductor laser device during operation. The generated beam is inputted in the active layer (14) for forming the beam of the perpendicular emitter (20) and is joined with it. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide an optical encoder which can be manufactured at reduced costs, in which the area of a semiconductor chip is consumed little on the side of a detector, which maintains the advantage of a known device, which maintains nonsensitivity with reference to a change in light intensity and which detects a linear motion or a rotational motion quantitatively. SOLUTION: The detector is provided with three optical receivers. Optical receiving regions in the three optical receivers are adjacent to each other so as to be arranged in parallel with reference to the direction of the raster device. The length of the detector has the length of a region up to one complete cycle from the half cycle of the raster device in the direction.