Light receiving element
专利汇可以提供Light receiving element专利检索，专利查询，专利分析的服务。并且PURPOSE:To obtain a light receiving element, which responds to only a light signal such as infrared rays with a specified wavelength, can be effectively used in various information processing systems and the like, and has durability against mechanical vibration, shocks, and the like, by providing a semiconductor light absorbing filter so as to face the light receiving surface of a photoelectric transducer element, molding the photoelectric transducer element and the filter as a unitary body. CONSTITUTION:A photoelectric transducer element 11 comprises a chip such as a silicon PIN type photodiode. An anode electrode 12 and a cathode electrode 13 are connected to the photoelectric transducer element 11 by bonding wires. A semiconductor light absorbing filter 14 comprising a single crystal chip of, e.g. InP, GaAs, or the like, is layered on the light receiving surface of the photoelectric transducer element 11. The photoelectric transducer element 11 including the electrodes 12 and 13, and the semiconductor light absorbing filter 14 are entirely molded as a unitary body by a resin and the like. Thus a package 15 is formed. In this constitution, only a specified wavelength is obtained in the incident light to the photoelectric transducer element 11 by the semiconductor light absorbing filter 14. Only the infrared rays having the wavelength lambda2 that is to become a signal component is detected in the case of the input of the infrared rays having the wavelengths of lambda1 and lambda2. The light is transduced into an electric signal.，下面是Light receiving element专利的具体信息内容。
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