baber/WOPTO huggingface dataset:
Patent WO-2020161832-A1 (WO)
Inventor: KUSANO YASUHIRO
IPC: A61M25/09
Filed: 2019-02-06
Abstract: 全体として優れた形状復元性を維持しつつ、先端部の成形容易性を高めることが可能なガイドワイヤの提供を目的とする。　当該ガイドワイヤ１は、コアシャフト１１を有するガイドワイヤであって、コアシャフト１１は、本体部１１ａと、成層部１１ｂとを備え、本体部１１ａは、主成分として超弾性特性を有するニッケル－チタン系合金を含み、成層部１１ｂは、本体部１１ａの外周面上の一部に形成され主成分としてニッケル合金を含む内層ｎと、この内層ｎ上に形成され主成分としてチタン酸化物を含む外層ｇとを有していることを特徴とする。
Patent WO-2019160135-A1 (WO)
Title: Simulation system, prosthetic leg blade, simulation method, and program
Inventor: SHIMONO Satoshi
IPC: A61F2/66
Filed: 2019-02-18
Abstract: This simulation system has: a measurement data acquisition unit for acquiring prototype measurement data which is measurement data of multiple different prototype prosthetic limbs or prototype prostheses and wearer measurement data which is data of a wearer wearing the multiple different prototype prosthetic limbs or prototype prostheses; a wearer motion data calculation unit for calculating wearer motion data by an inverse dynamic analysis on the basis of the prototype measurement data and the wearer measurement data; a motion response surface calculation unit for calculating a motion response surface by a response surface method on the basis of the wearer motion data; and a simulation execution unit which, assuming that the wearer is wearing a different prototype prosthetic limb or prototype prosthesis from the multiple different prototype prosthetic limbs or prototype prostheses, predicts motion data for the prototype prosthetic limb or prototype prosthesis and motion data for the wearer on the basis of the motion response surface.
Patent WO-2020178898-A1 (WO)
Inventor: AKIYAMA GOSHI
IPC: H05G1/26
Filed: 2019-03-01
Abstract: An X-ray tube (120) is provided with: a cathode (140) and an anode (150) sealed inside a vacuum envelope (121); and an ion-collecting conductor (130) attached to the vacuum envelope so as to contact the internal space of the vacuum envelope. A first current sensor (210) measures a first current value (Ii) that flows between the ion-collecting conductor (130) and a node (Ng) that supplies a potential for attracting positive ions within the vacuum envelope (121). A second current sensor (180) measures a second current value (Ie) that flows between the anode (150) and the cathode (140). A control circuit (190) generates diagnostic information relating to the degree of vacuum in the X-ray tube (120) on the basis of the current ratio (Ii/Ie) of the second current value (Ie) measured by the second current sensor (180) and the first current value (Ii) measured by the first current sensor (210).
Patent WO-2019177108-A1 (WO)
Title: Marine engine
Inventor: MASUDA YUTAKA
IPC: F02D15/02
Filed: 2019-03-14
Abstract: A marine engine 100 is provided with: a piston; and a compression ratio control unit 182 that carries out a lowering process for moving the top dead-center position of the piston toward a bottom dead-center side when an engine rotation speed is within a preset resonance generation range. Due to lowering of a geometric compression ratio, this engine can suppress the resonance stress of torsional vibration of a rotary shaft system while suppressing a reduction of thermal efficiency as compared to when fuel injection timing and exhaust valve closing timing are controlled to be delayed.
Patent WO-2019203079-A1 (WO)
Title: Light-emitting device
Inventor: OKUNO TATSUYA
IPC: F21V7/00
Filed: 2019-04-10
Abstract: A light-emitting device (A), provided with: a laser light source (1) for emitting laser light (100); a casing (2A) having a bottom wall part (3) and side wall parts; and first wavelength converters (20), which are provided to the side wall parts and which include a first phosphor. Laser light is beamed from the laser light source to the bottom wall part of the casing, and the first phosphor is excited by diffused light of the laser light diffused at the bottom wall part. Such a configuration makes it possible to obtain a light emission device (A) with which it is possible to increase the power density of output light and improve color uniformity and chromaticity flexibility.
Patent WO-2019208579-A1 (WO)
Inventor: SHITARA SHUJI
IPC: H02P29/024
Filed: 2019-04-23
Abstract: 回転電機の負荷検出装置は、回転軸の回転に同期するパルス信号（Ｐ）を出力するパルス出力手段と、パルス信号（Ｐ）に基づいて、回転軸の１回転中の位置関係が同じ電流値同士を比較することで、電流値の変化量（ΔＩ１）を測定する電流変化測定手段と、測定された電流値の変化量（ΔＩ１）を用いて回転電機の負荷を演算する負荷検出手段とを備える。
Patent WO-2019208614-A1 (WO)
Title: Resin composition, laminate, resin composition layer-attached semiconductor wafer, substrate for mounting resin composition layer-attached semiconductor, and semiconductor device
Inventor: OKANIWA MASASHI
IPC: C08L39/04
Filed: 2019-04-24
Abstract: Provided is a resin composition suitable for pre-applied underfill material having an excellent flux activity, flexibility, and storage stability. This resin composition contains a compound (A) having a phenolic hydroxy group, a metal ion scavenger (B), and a radical polymerizable compound (C).
Patent WO-2020003857-A1 (WO)
Inventor: FUJITA MASATO
IPC: C09J7/38
Filed: 2019-05-28
Abstract: L'objectif de la présente invention est de fournir un film de polarisation protégé d'un seul côté avec une couche adhésive, le film présentant une aptitude à une remise en état initial, une durabilité et une stabilité de conduction électrique excellentes dans un environnement à température élevée et/ou à humidité élevée et ne se détachant pas facilement d'un substrat de verre, ou similaire, même lorsqu'il est exposé à un environnement dans lequel se produit la condensation de rosée. Ce film de polarisation protégé d'un seul côté avec une couche adhésive comprend : un film de polarisation protégé d'un seul côté ayant un film protecteur sur une seule surface d'un polariseur ; et une couche adhésive, directement ou par l'intermédiaire d'une couche de revêtement, sur le côté polariseur du film de polarisation protégé sur un seul côté. La couche adhésive contient un polymère (méth)acrylique en tant que polymère de base, a un taux de changement de poids de 1,1 % ou plus, une force adhésive P0 de 10 N/25 mm ou moins avant immersion dans l'eau, et une force adhésive P1 de 1,6 N/25 mm ou plus après immersion pendant deux heures dans l'eau.
Patent WO-2020017242-A1 (WO)
Title: Suspension bushing and suspension device
Inventor: NISHIMURA TETSUJI
IPC: F16F1/38
Filed: 2019-06-24
Abstract: Provided are a suspension bushing and a suspension device with which maneuvering stability can be improved without adversely affecting ride quality. Protrusions (54) are formed on the outer circumferential surface of an inner tube (50), and slits (38) are formed on the inner circumferential surface of an outer tube (30). The protrusions (54) are arranged in the slits (38) and have a tapered shape in which their width (W2) in a direction parallel to an axial line (A) decreases as the distance from the axial line (A) increases. The slits (38) have a shape such that a gap (W1) in the direction parallel to the axial line (A) decreases as the distance from the axial line (A) increases.
Patent WO-2020039735-A1 (WO)
Title: Cutting tool
Inventor: TANAKA KEIZO
IPC: B23B51/00
Filed: 2019-06-26
Abstract: This cutting tool is provided with a base material and a coating film covering the surface of the base material. The coating film includes a multilayer structure layer in which one or more layers of each of an A layer and a B layer are layered in an alternating manner from the base material side toward the surface side. The average composition of the A layer is Al x Cr (1 - x) N, the B layer comprises Al y Ti (1 - y) N, the A layer comprises a domain region and a matrix region, the domain region is present as a plurality of parts distributed within the matrix region, the matrix region is arranged so as to surround each of the plurality of parts constituting the domain region, and the Cr composition ratio in the domain region is higher than the Cr composition ratio in the matrix region. The range of x is 0.5 ≤ x ≤ 0.8 and the range of y is 0.5 ≤ y ≤ 0.7.
Patent WO-2020017488-A1 (WO)
Title: Unmanned aerial vehicle
Inventor: KUNII SHINYA
IPC: B64C27/08
Filed: 2019-07-16
Abstract: The purpose of the present invention is to provide an unmanned aerial vehicle which, while keeping the airframe structure and flight program from becoming more complicated or unstable, eliminates the difficulty of adjusting the optimal pitch of the propellers. This unmanned aerial vehicle is provided with multiple rotors, and is characterized by being provided with a center frame, which is the center part of the airframe, and multiple arms which, in planar view, extend radially from the center frame, wherein multiple motors, which are drive sources of the rotors, are arranged on the center frame, the rotors are supported by the arms, the arms are hollow cylindrical bodies, and a power transmission member for transmitting the driving force of the motors to the rotors is arranged inside of the arms.
Patent WO-2020032011-A1 (WO)
Title: Suction nozzle and component mounting machine
Inventor: ISHIWATA TERUO
IPC: B25J15/04
Filed: 2019-08-06
Abstract: A suction nozzle (5) is provided with: a shaft-shaped nozzle body (10) for sucking an electronic component (C); a nozzle holder (20) having an air passage (22) which communicates with a nozzle hole (11) in the nozzle body (10), and holding the nozzle body (10) so that the nozzle body (10) can reciprocate in an axial direction; and an elastic body (50) disposed in the air passage (22) and biasing the nozzle body (10) in the axial direction. The nozzle body (10) is removably held by the nozzle holder (20).
Patent WO-2020036231-A1 (WO)
Inventor: MIYAZAKI FUTOSHI
IPC: A61J3/00
Filed: 2019-08-19
Abstract: La présente invention a pour objet d'établir une nouvelle formulation en kit et un modèle commercial utilisant cette formulation en kit, contribuant à un mécanisme destiné à réduire les pertes dues à l'élimination de médicaments en excès, et à la suppression et à la réduction des coûts de soins de santé. L'invention concerne la formulation en kit combinant un récipient contenant un liquide de dilution ou de dissolution tel que de l'eau pure ou une perfusion, et un récipient d'emballage dans lequel est contenu le médicament souhaité, et un procédé de gestion arbitré par réseau informatique pour la formulation en kit.
Patent WO-2020040297-A1 (WO)
Title: Data collection server, data utilization server, equipment, data circulation system, data collection method and program
Inventor: NAGASAWA MASATO
IPC: G06F13/00
Filed: 2019-08-23
Abstract: Provided is a data collection server (10) comprising a communication unit (100), a use frequency estimation unit (1102), and a data saving unit (1104). The communication unit (100) receives equipment data from equipment. The use frequency estimation unit (1102) estimates a use frequency of the equipment data received by the communication unit (100). The data saving unit (1104) saves the equipment data, among the multiple storage servers provided corresponding to the use frequency levels, into a storage server that corresponds to the use frequency estimated by the use frequency estimation unit (1102).
Patent WO-2020054382-A1 (WO)
Title: Output device for surface features measurement data and surface features measurement device
Inventor: TERAOKA YOSHITAKA
IPC: G01J3/51
Filed: 2019-08-26
Abstract: The present invention comprises: a single display device (1) for illumination that is capable of displaying an illumination pattern from a structured pattern having a cross-sectional intensity distribution that changes in a regular cycle; and a two-dimensional photoelectric conversion element (3) that, for each pixel, receives reflected light from a measurement site (100a) in a measurement target (100) when illumination light is illuminated on the measurement site from an illumination pattern, converting the reflected light to image data and outputting same. The image data is used to measure a parameter that depends on the reflection angle for each pixel at the measurement site.
Patent WO-2020045448-A1 (WO)
Inventor: INOUE TAKAFUMI
IPC: B60J1/02
Filed: 2019-08-27
Abstract: The present invention is configured to effectively absorb errors in the shape and dimensions of each of laminated glass, a clip, and a cowl louver to provide reliable connection between a windshield and the cowl louver. A cowl louver 16 has a body 24, a first protrusion section 26, a latch section 28, and a second protrusion section 30. A clip 14, which is a plate-like body, has a first plate section 40, a second plate section 42, a first bend section 44, a third plate section 46, a second bend section 48, and a catch section 50. At least part of the second bend section 48 and at least part of the first protrusion section 26 are in contact with each other, and at least part of the catch section 50 and at least part of the second protrusion section 30 are in contact with each other.
Patent WO-2020045452-A1 (WO)
Inventor: SHONO Yohei
IPC: C10M137/04
Filed: 2019-08-27
Abstract: La présente invention concerne une huile d'un appareil réfrigérant contenant une huile de base lubrifiante, un phosphite d'hydrogène dialkyle ayant deux groupes alkyle en C1-12 à l'intérieur de la molécule, et un composé époxy.
Patent WO-2020045624-A1 (WO)
Inventor: TSUNODA KOICHI
IPC: B61D27/00
Filed: 2019-08-30
Abstract: An air-conditioning duct for railway vehicles according to one embodiment of the present invention guides air supplied from an air-conditioning device mounted to a railway vehicle. This air-conditioning duct for railway vehicles is provided with: a duct wall forming a ventilation passage for guiding, in the vehicle longitudinal direction, the air supplied from the air-conditioning device; and a plurality of through holes that are arranged in the vehicle longitudinal direction and open in the duct wall as air outlets through which the air in the ventilation passage is blown out from the ventilation passage toward a compartment side, wherein the rate of the opening area of one of the through holes with respect to the area of one of a plurality of partial regions obtained by dividing the inner surface of a lower wall part in the vehicle longitudinal direction so that each of the plurality of partial regions includes a through hole in a plan view, is in the range of 2.0-7.5%.
Patent WO-2020066540-A1 (WO)
Inventor: TAKASHIMA Shuhei
IPC: H05K3/28
Filed: 2019-09-05
Abstract: Provided is a photosensitive resin composition or the like from which a cured film, a light-exposed portion of which has good developability and which has excellent chemical resistance and flexibility even when cured at a low-temperature around 220°C, can be obtained, the photosensitive resin composition being preferably used for an insulating film for rewiring. The photosensitive resin composition or the like is characterized by including a polybenzoxazole precursor (A), a photosensitizer (B), a bifunctional or higher functional epoxy compound (C), and a plasticizer (D).
Patent WO-2020084936-A1 (WO)
Title: Continuously variable transmission
Inventor: KUROKI ATSUSHI
IPC: F16H9/18
Filed: 2019-09-09
Abstract: A continuously variable transmission (1) that has: a fixed pulley (31); a slide pulley (32); a belt (V) interposed between the fixed pulley (31) and the slide pulley (32); a rear cylinder (37) fixed to the fixed pulley (31) and having a peripheral wall section (372) for pressure-receiving chambers (R1, R2); and a bolt (B) provided at a position that comes in contact with the rear cylinder (37) when oil pressure of at least a prescribed value is supplied to oil chambers (R1, R2). When the rear cylinder (37) starts to deform, elastic deformation continues to be permitted and the rear cylinder (37) is brought in contact with the bolt (B) before plastic deformation occurs.
Patent WO-2021053714-A1 (WO)
Title: Balloon treatment tool for endoscope
Inventor: NAGATA KAZUHIRO
IPC: A61B1/018
Filed: 2019-09-17
Abstract: This balloon treatment tool for an endoscope has a balloon and a sheath. The balloon has a cone section and a tail section on the proximal end side, and has a striped thick wall section formed across the cone section and the tail section. The sheath supplies the balloon with a fluid for expanding the balloon.
Patent WO-2020066991-A1 (WO)
Inventor: SHIRAKAWA CHIKAGE
IPC: C12N1/04
Filed: 2019-09-24
Abstract: The present invention addresses the problem of providing a mammal cell preserving solution or the like which can effectively suppress cell viability reduction or cell aggregation occurring when mammal cells are preserved in a liquid, and which contains a substance that is less likely to have an adverse effect on the ecology of a mammal or contains a substance related thereto. By using a solution which contains acarbose or a salt thereof, and/or stachyose or a salt thereof to preserve mammal cells, cell viability reduction or cell aggregation which occur when mammal cells are preserved in a liquid can be effectively suppressed. Furthermore, the mammal cells preserved in the liquid can be directly administered into a mammal without being transferred to a new transplant solution.
Patent WO-2020085047-A1 (WO)
Inventor: OCHIAI YOICHI
IPC: G10K11/28
Filed: 2019-10-04
Abstract: L'invention concerne un haut-parleur à ultrasons équipé d'une pluralité de vibrateurs ultrasonores et d'un élément réfléchissant qui est agencé à une position séparée des vibrateurs ultrasonores dans une direction orthogonale à la direction d'émission des ondes ultrasonores provenant des vibrateurs ultrasonores, l'élément réfléchissant étant conçu de façon à réfléchir les ondes ultrasonores émises à partir de chacun des vibrateurs ultrasonores.
Patent WO-2021079444-A1 (WO)
Title: Display method, display program, and information processing device
Inventor: ISHIDA TSUTOMU
IPC: G06N20/00
Filed: 2019-10-23
Abstract: This information processing device acquires operation data that is input into a trained model. On the basis of the acquired operation data, the information processing device calculates a measure representing the magnitude of change in the output result of the model due to a change in the pattern of the operation data over time. The information processing device determines, on the basis of a comparison between the calculated measure and a preset threshold value, whether or not a concept drift that needs to be addressed by a user has occurred. If it is determined that a concept drift that needs to be addressed by a user has occurred, the information processing device causes a display screen to display information indicating that a concept drift that needs to be addressed by a user has occurred.
Patent WO-2020105381-A1 (WO)
Inventor: MARUYAMA MASASHI
IPC: C12M1/26
Filed: 2019-10-29
Abstract: The present invention provides: a cell device that is capable of maintaining a cell aggregate at a high number density and achieving both a high therapeutic efficacy and a low invasiveness by means of the cell aggregate; a method for manufacturing the cell device; and a method for implanting the cell device. The cell device (1) used for cell transplantation is provided with: a carrier (20) for carrying a cell aggregate (10); and a case (30) for covering the carrier (20), wherein the carrier (20) has a porous substrate (21) and a cell adhesive layer (22) that is provided on the surface of the substrate (21) and composed of cell-adhesive molecules. The method for manufacturing the cell device comprises: a step for accommodating the carrier (20) in the case (30); and a step for introducing the cell aggregate (10) into pores of the carrier (20) by applying a coercive force. The method for implanting the cell device comprises a step for implanting the cell device (1), into which the cell coagulate (10) is introduced, in a living body other than a human.
Patent WO-2020166142-A1 (WO)
Inventor: KAWASAKI JIN
IPC: F24F11/56
Filed: 2019-10-31
Abstract: 携帯端末を操作することなく、携帯端末で設備情報を取得することができる中央管理装置を提供する。中央管理装置は、建築物に設けられた設備に関する情報である設備情報を記憶した設備情報記憶部と、携帯端末ではない装置により特定の操作が検知された際に前記設備情報記憶部に記憶された設備情報を携帯端末に向けて送信する通信部と、を備えた。当該特徴を備えることにより、携帯端末を操作することなく、携帯端末で設備情報を取得することができる。
Patent WO-2020105722-A1 (WO)
Title: Single-crystal x-ray structural analysis device and method therefor
Inventor: SATO TAKASHI
IPC: G01N23/207
Filed: 2019-11-21
Abstract: Provided are: a user-friendly single-crystal X-ray structural analysis device for, even if management of related information is included, easily and quickly performing single-crystal X-ray structural analysis using a porous complex crystal (crystal sponge); and a single-crystal X-ray structural analysis device method. The present invention is provided with: an X-ray source that generates X rays; a sample holder that includes a porous complex crystal capable of occluding a sample in a plurality of micropores formed inside; a goniometer that has the sample holder mounted thereon so as to rotate the sample holder; an X-ray irradiation unit that irradiates the sample held by the sample holder mounted to the goniometer with X rays from the X-ray source; an X-ray detection measurement unit that detects and measures X rays diffracted or scattered by the sample; a structural analysis unit that performs structural analysis of the sample on the basis of the diffracted or scattered X rays measured by the X-ray detection measurement unit; an information acquisition unit (600) that acquires invariable information about the porous complex crystal or variable information after occlusion of the sample; and an information storage unit (111) that stores the invariable information or variable information acquired by the information acquisition unit (600).
Patent JP-WO2018155314-A1 (JP)
Title: 非水電解質蓄電素子及びその製造方法
IPC: H01M4/66
Filed: 2018-02-16
Abstract: 【課題】充放電の繰り返しに伴う抵抗上昇を抑えることができる非水電解質蓄電素子、及びその製造方法を提供する。【解決手段】本発明の一態様に係る非水電解質蓄電素子は、導電性の基材と、この基材に積層された正極合材層とを有する正極を備え、上記基材が、アルミニウム以外の元素の含有割合が１質量％以上であるアルミニウム合金から形成されており、上記正極合材層が、正極活物質としての粒径の異なる粒子Ａ及び粒子Ｂを含有する非水電解質蓄電素子である。【選択図】図１
Patent JP-WO2019107166-A1 (JP)
Title: ジオキサジン顔料及び着色剤
IPC: C09B19/00
Filed: 2018-11-15
Abstract: 本発明が解決しようとする課題は、優れた流動性を有するジオキサジン顔料を提供することにある。より具体的には、印刷インキ用途に使用する際の（１）初期粘度、（２）貯蔵安定性の何れにおいても実用上十分な流動性が達成されたジオキサジン顔料を提供することにある。浸透速度法による水との接触角が３０°〜７５°の範囲にあり、かつ、１−ブロモナフタレンとの接触角が３０°〜７５°の範囲にあることを特徴とするジオキサジン顔料を提供することによりこれを解決する。
Patent JP-WO2018159171-A1 (JP)
Title: 打撃作業機
IPC: B25D17/08
Filed: 2018-01-26
Abstract: 先端工具が保持具に対して径方向に動くことを抑制可能な、打撃作業機を提供する。先端工具８３の被保持部８６を保持する筒形状の保持具２３と、保持具２３の中心線Ａ１方向に移動可能であり、かつ、保持具２３で保持される先端工具８３を打撃する打撃子と、を有する打撃作業機であって、保持具２３は、先端工具８３を打撃子で打撃可能な状態で被保持部８６を保持する第１保持部７３と、中心線Ａ１方向で第１保持部７３とは異なる位置に配置され、かつ、先端工具８３を打撃子で打撃不可能に被保持部８６を保持する第２保持部７４と、被保持部８６に接触し、かつ、被保持部８６が第２保持部７４から第１保持部７３へ移動することを規制する規制部９１と、を有し、規制部９１は、被保持部８６を中心線Ａ１を中心として回転させることで、被保持部８６が第２保持部７４から第１保持部７３へ移動することを許容する。
Patent JP-WO2018173265-A1 (JP)
Title: 有機エレクトロニクス材料、インク組成物、有機層、及び有機エレクトロニクス素子
IPC: H05B33/02
Filed: 2017-03-24
Abstract: 正孔輸送性を有する構造単位を有し、かつ、炭素数６〜２０のアルキル鎖を有するポリマー又はオリゴマーを含む、有機エレクトロニクス材料が開示される。また、インク組成物、有機層、有機エレクトロニクス素子、有機エレクトロルミネセンス素子、表示素子、照明装置、及び表示装置が開示される。
Patent JP-WO2018193536-A1 (JP)
Title: 走行制御方法及び運転制御装置
IPC: B60W30/00
Filed: 2017-04-19
Abstract: 本発明の走行特性学習方法は、運転者による手動運転と自動運転とを切り替え可能な車両において、運転者の手動運転中の運転操作を学習して、この学習結果を自動運転の走行制御に適用し、車両の自動運転時の加加速度が、学習結果として得られた手動運転時の加加速度と異なるように走行制御する。
Patent JP-WO2018194123-A1 (JP)
Title: 感放射線性樹脂組成物及びレジストパターン形成方法
IPC: G03F7/20
Filed: 2018-04-19
Abstract: 本発明は、酸解離性基を含む構造単位を有する第１重合体と、上記酸解離性基を１１０℃、１分の条件で解離させる第１酸を放射線の照射により発生する第１化合物と、上記酸解離性基を１１０℃、１分の条件で実質的に解離させない第２酸を放射線の照射により発生する第２化合物とを含有し、上記第１化合物の含有量が全固形分（組成物中の溶媒以外の全成分）中１０質量％以上であり、上記第１化合物のモル数をＢｍ、上記第２化合物のモル数をＣｍとした場合に、Ｂｍ／Ｃｍが１．７以上である感放射線性樹脂組成物である。
Patent JP-WO2018216122-A1 (JP)
Title: 耐熱性反射鏡、ガス濃度モニタ及び耐熱性反射鏡の製造方法
IPC: G01N21/3504
Filed: 2017-05-23
Abstract: 高温環境下においても安定して光を反射させることができる耐熱性反射鏡、ガス濃度モニタ及び耐熱性反射鏡の製造方法を提供する。反射鏡１４０は、基材１４２と、反射膜１４４と、保護膜１４５とを備える。反射膜１４４は、白金族元素により基材１４２上に形成されている。保護膜１４５は、金属酸化物により反射膜１４４上に形成されている。耐熱性の高い白金族元素により基材１４２上に反射膜１４４が形成されるとともに、その反射膜１４４上に金属酸化膜により保護膜１４５が形成されるため、さらに耐熱性が高くなる。したがって、高温環境下においても反射膜１４４において安定して光を反射させることができる。