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    • 3. 发明授权
    • Method of manufacturing semiconductor optical element
    • 制造半导体光学元件的方法
    • US07611916B2
    • 2009-11-03
    • US12397978
    • 2009-03-04
    • Masatsugu KusunokiTakafumi Oka
    • Masatsugu KusunokiTakafumi Oka
    • H01L21/00
    • H01S5/34333B82Y20/00H01S5/0202H01S5/0425H01S5/2009H01S5/22H01S5/2214H01S5/3063
    • A method of manufacturing a semiconductor optical element, includes successively stacking a first semiconductor layer of a first conductivity type, an active layer, and a second semiconductor layer of a second conductivity type; applying a resist to the second semiconductor layer and patterning the resist into stripes by photolithography; forming recesses in the second semiconductor layer and a waveguide ridge adjacent to the recesses by dry-etching the second semiconductor layer only partially through the second semiconductor layer, using the resist as a mask; forming an insulating film on the waveguide ridge and in the recesses while leaving the resist; removing the insulating film from the resist so that the resist is exposed while the insulating film in the recess is left; removing the resist exposed; and forming an electrode on the waveguide ridge after removing the resist.
    • 一种制造半导体光学元件的方法包括:连续层叠第一导电类型的第一半导体层,有源层和第二导电类型的第二半导体层; 将抗蚀剂施加到第二半导体层,并通过光刻将抗蚀剂图案化成条纹; 通过使用所述抗蚀剂作为掩模,仅部分地通过所述第二半导体层干蚀刻所述第二半导体层,在所述第二半导体层中形成凹槽和邻近所述凹部的波导脊; 在离开抗蚀剂的同时在波导脊和凹部中形成绝缘膜; 从抗蚀剂中除去绝缘膜,使得在凹部中的绝缘膜留下时抗蚀剂露出; 去除抗蚀剂暴露; 并且在除去抗蚀剂之后在波导脊上形成电极。
    • 6. 发明授权
    • Mobile electronic device
    • 移动电子设备
    • US09024868B2
    • 2015-05-05
    • US13381174
    • 2010-07-08
    • Takafumi Oka
    • Takafumi Oka
    • H04M1/02
    • H04M1/0202H04M1/0272
    • According to an aspect, a mobile electronic includes a first display unit, a second display unit, an input unit, and a control unit. The first display unit displays a first image. The second display unit displays a second image. To the input unit, an instruction is input. The control unit causes the second display unit to display the first image, as the second image, when a first period of time has passed since the first image is displayed by the first display unit.
    • 根据本发明的一个方面,移动电子包括第一显示单元,第二显示单元,输入单元和控制单元。 第一显示单元显示第一图像。 第二显示单元显示第二个图像。 输入单元输入指令。 当从第一显示单元显示第一图像开始经过第一时间段时,控制单元使第二显示单元显示第一图像作为第二图像。