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    • 23. 发明授权
    • Nitride semiconductor device having current confining layer
    • 具有电流限制层的氮化物半导体器件
    • US08076685B2
    • 2011-12-13
    • US12556946
    • 2009-09-10
    • Satoshi TamuraRyo Kajitani
    • Satoshi TamuraRyo Kajitani
    • H01L33/00
    • H01L21/30617H01L29/1066H01L29/2003H01L29/42316H01L29/66462H01L29/7787H01S5/32341
    • A nitride semiconductor device includes an active layer formed between an n-type cladding layer and a p-type cladding layer, and a current confining layer having a conductive area through which a current flows to the active layer. The current confining layer includes a first semiconductor layer, a second semiconductor layer and a third semiconductor layer. The second semiconductor layer is formed on and in contact with the first semiconductor layer and has a smaller lattice constant than that of the first semiconductor layer. The third semiconductor layer is formed on and in contact with the second semiconductor layer and has a lattice constant that is smaller than that of the first semiconductor layer and larger than that of the second semiconductor layer.
    • 氮化物半导体器件包括形成在n型覆层和p型覆层之间的有源层和具有电流流向有源层的导电区域的电流限制层。 电流限制层包括第一半导体层,第二半导体层和第三半导体层。 第二半导体层形成在第一半导体层上并与第一半导体层接触,并且具有比第一半导体层的晶格常数更小的晶格常数。 第三半导体层形成在第二半导体层上并与第二半导体层接触,并且具有小于第一半导体层的晶格常数,并且大于第二半导体层的晶格常数。
    • 26. 发明申请
    • FLUORESCENT LAMP
    • 日光灯
    • US20100045162A1
    • 2010-02-25
    • US12536762
    • 2009-08-06
    • Satoshi Tamura
    • Satoshi Tamura
    • H01J63/04
    • H01J5/50H01J61/70
    • A fluorescent lamp includes sealed glass tube 1, a pair of opposed electrodes 2 provided in glass tube 1 wire lead 3 one end of which is connected to one of electrodes 2 and the other end of which passes through an end face of glass tube 1 in a gastight manner and is drawn to the outside of glass tube 1, cylindrical member 5 provided at an end of glass tube 1 and containing a portion of wire lead 3 that is drawn to the outside of glass tube 1, and solder portion 6 formed of a solder material contained in the interior of cylindrical member 5, wherein in the cylindrical member 5 an opening 8 is formed that is opposite the end face of the glass tube 1 and solder portion 6 is exposed to the outside in opening 8.
    • 荧光灯包括密封的玻璃管1,设置在玻璃管1中的一对相对电极2,引线3的一端连接到电极2中的一个,另一端穿过玻璃管1的端面 并且被吸引到玻璃管1的外侧,设置在玻璃管1的端部并包含被引导到玻璃管1的外部的引线3的一部分的圆柱形部件5以及由玻璃管1的外部形成的焊料部6 包含在圆筒构件5的内部的焊料材料,其中在圆筒构件5中形成有与玻璃管1的端面相对的开口8,并且在开口8中将焊料部分6暴露于外部。