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    • 81. 发明公开
    • 모노리식 반도체 레이저의 제조방법
    • 制造单晶半导体激光的方法
    • KR1020090036505A
    • 2009-04-14
    • KR1020080055560
    • 2008-06-13
    • 미쓰비시덴키 가부시키가이샤
    • 카사이노부유키
    • H01S3/0941H01S5/00
    • H01S5/4031H01S5/2081H01S5/22H01S5/4087
    • A method for manufacturing a monolithic semiconductor laser is provided to improve reliability by controlling the thickness of an epitaxial layer on an active layer with high precision. A lower clad layer(12), a first active layer(13), a first upper clad layer(14), a first etching stopper layer(15), a second upper clad layer(16), and a first contact layer(17) of a first semiconductor laser are formed on a semiconductor substrate(10). A second lower clad layer(22), a second active layer(23), a third upper clad layer(24), a second etching stopper layer(25), a fourth upper clad layer(26) and a second contact layer(27) of a second semiconductor laser are formed on the semiconductor substrate. A total of the thickness of a fourth upper clad layer and a second contact layer is smaller than the total of the thickness of the second upper clad layer and the first contact layer. A first ridge(32) and a second ridge(33) are formed in the second upper clad layer and the first contact layer, and the fourth upper clad layer and the second contact layer at the same time. The second upper clad layer on the first etching stopper layer is selectively removed.
    • 提供一种用于制造单片半导体激光器的方法,以通过以高精度控制有源层上的外延层的厚度来提高可靠性。 下包层(12),第一有源层(13),第一上覆层(14),第一蚀刻阻挡层(15),第二上覆层(16)和第一接触层 )形成在半导体衬底(10)上。 第二下包层(22),第二有源层(23),第三上包层(24),第二蚀刻阻挡层(25),第四上覆层(26)和第二接触层(27) )形成在半导体衬底上。 第四上覆层和第二接触层的厚度的总和小于第二上覆层和第一接触层的厚度的总和。 同时在第二上包覆层和第一接触层以及第四上覆层和第二接触层中形成第一脊(32)和第二脊(33)。 选择性地去除第一蚀刻停止层上的第二上包层。
    • 85. 发明公开
    • 레이저 다이오드 칩 및 그 제조 방법
    • 激光二极管芯片及其制造方法
    • KR1020080109598A
    • 2008-12-17
    • KR1020080034237
    • 2008-04-14
    • 우시오덴키 가부시키가이샤
    • 이마이유지
    • H01S3/0941
    • H01S5/22H01S5/2231H01S5/4031H01S5/4087
    • A laser diode chip improving luminous intensity and efficiency and manufacturing method thereof are provided to increase yield by omitting a precision layer thickness control. A laser diode chip improving luminous intensity and efficiency comprises a substrate(11), a first clad layer(14), an active layer(15), a second clad layer(16), and a current restriction layer(22). The first clad layer, the active layer, and the second clad layer are laminated on the substrate. The first clad layer is made of one from among an n-type AlGaAs, an n-type AlGaInP, and an n-type AlGaN. The active layer is made of one from among an AlGaAs, a GaInP, and a GaInN. The second clad layer is made of one from among a p-type AlGaAs, a p-type AlGaInP, and a p-type AlGaN. The current restriction layer is positioned inside a plurality of recesses parallelly formed in an upper side of the second clad layer.
    • 提供了提高发光强度和效率的激光二极管芯片及其制造方法,以通过省略精密层厚度控制来提高产量。 提高发光强度和效率的激光二极管芯片包括基板(11),第一覆层(14),有源层(15),第二覆层(16)和电流限制层(22)。 第一覆盖层,有源层和第二覆盖层层叠在基板上。 第一包层由n型AlGaAs,n型AlGaInP和n型AlGaN中的一种构成。 有源层由AlGaAs,GaInP和GaInN中的一种制成。 第二覆层由p型AlGaAs,p型AlGaInP和p型AlGaN中的一种构成。 当前的限制层位于平行地形成在第二包层的上侧的多个凹部内。
    • 90. 发明公开
    • 반도체 발광 소자의 제조방법
    • 半导体发光元件的制造方法
    • KR1020080039058A
    • 2008-05-07
    • KR1020060106727
    • 2006-10-31
    • 삼성전자주식회사
    • 성연준채수희장태훈김규상
    • H01L33/20
    • H01L33/0095H01L33/22H01S5/0202H01S5/0425H01S5/22H01S5/32341
    • A method of manufacturing a semiconductor LED device is provided to form a cleaving plan of good quality and realize good heat distribution capability through a substrate and ohmic junction by forming an uneven plane at the bottom surface of a substrate. A light emitting structure(100) is formed on a substrate by stacking a first material layer, an active layer and a second material layer. At the lower surface of the substrate, an uneven plane is formed at a region except for a cleaving region for forming a cleaving plane. An n-electrode is formed at the uneven region. The uneven plane is formed at the region excluding the cleaving region, and a separation region which is formed vertical to the cleaving region.
    • 提供一种半导体LED器件的制造方法,通过在基板的底面形成不平坦的平面,形成质量好的切割图,通过基板和欧姆结实现良好的散热能力。 通过层叠第一材料层,有源层和第二材料层,在基板上形成发光结构(100)。 在基板的下表面,在除了用于形成切割面的切割区域之外的区域上形成不平坦的平面。 在不平坦区域形成n电极。 不平坦的平面形成在除了分裂区域之外的区域,以及垂直于切割区域形成的分离区域。