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    • 21. 发明专利
    • Package for optical semiconductor element
    • 光学半导体元件封装
    • JP2009239113A
    • 2009-10-15
    • JP2008084837
    • 2008-03-27
    • Shinko Electric Ind Co Ltd新光電気工業株式会社
    • KIMURA YASUYUKI
    • H01S5/022
    • H01L23/055H01L23/10H01L2924/0002H01L2924/3011H01S5/02212H01S5/0425H01S5/06226H01L2924/00
    • PROBLEM TO BE SOLVED: To provide a package for an optical semiconductor element allowing a lead pin to be airtightly sealed, and matching characteristic impedance to a specific value.
      SOLUTION: In this package for an optical semiconductor element, a lead pin 12 is sealed in a sealing hole formed on a stem body 10 by sealing glass 13; and characteristic impedance in the glass sealing part of the lead pin 12 is adjusted to a specific value. The package is characterized in that the characteristic impedance Zo is set by expression: Zo=(138/Er
      1/2 )×log(D/d), where a hole diameter of the sealing hole is denoted by D, a wire diameter of the lead pint is denoted by d, and a dielectric constant of the sealing glass 13 is denoted by Er, and the dielectric constant Er of the sealing glass is set by controlling an amount of bubble contained in the sealing glass 13.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于允许引脚被气密密封的光半导体元件的封装,并且将特性阻抗匹配到特定值。 解决方案:在该光半导体元件用封装件中,通过密封玻璃13将引脚12密封在形成在茎体10上的密封孔中; 并且引线引脚12的玻璃密封部分中的特性阻抗被调节到特定值。 封装的特征在于,特征阻抗Zo通过以下表达式来设置:Zo =(138 / Er 1/2 )×log(D / d),其中表示密封孔的孔径 由D表示,铅值的线径由d表示,密封玻璃13的介电常数用Er表示,密封玻璃的介电常数Er通过控制密封玻璃中所含的气泡量来设定 玻璃13.版权所有(C)2010,JPO&INPIT