Semiconductor laser device and its manufacture
专利汇可以提供Semiconductor laser device and its manufacture专利检索，专利查询，专利分析的服务。并且PURPOSE: To increase the oscillation output by burying the 1st semiconductor layer performing the laser oscillation being held between the 2nd and 3rd semiconductor layers and then decreasing the inhibited band width of the 1st layer within the region which is away from the end face by the distance of over the carrier diffusion length than the widths of other 1st layers.
CONSTITUTION: N-type Al
0.3 Ga
0.7 As layer 2 of the 2nd semiconductor layer, N-type GaAs layer 3 of the 1st semiconductor layer and N-type Al
0.3 Ga
0.7 As layer 4 of the 3rd semiconductor layer are formed on N-type GaAs substrate 1 through the liquid- phase or vapor growing method. Then the HCl etching is applied via the mask to form at the center part of the substrate stripe part 5 reaching layer 2, and the both ends of part 5 are buried with the N-type AlGaAs layer of the 4th semiconductor layer to secure the double hetero-junction structure. After this, P-type region 8 is formed by diffusing Zn from the layer 4 side until the tip of region 8 reaches layer 2 at the region which is away by the distance of over the carrier diffusion length from the position which is to be the end face of the element when formed and which includes part 5. In this case, the Zn density of layer 3 is set identical to the N-type impurity density contained in layer 3.
COPYRIGHT: (C)1979,JPO&Japio，下面是Semiconductor laser device and its manufacture专利的具体信息内容。
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 治疗移植排斥反应的嵌合受体重组基因的构建方法及应用 | 2020-05-08 | 689 |
| 光学薄膜以及光学薄膜的制造方法 | 2020-05-12 | 262 |
| 一种Micro-LED显示芯片及其制备方法 | 2020-05-13 | 526 |
| 一种多含氧官能团聚酯树脂、其制备方法及应用 | 2020-05-13 | 315 |
| 区分半导体光致逆自旋霍尔效应本征与非本征机制的方法 | 2020-05-14 | 484 |
| 一种多维微流控芯片及其使用方法 | 2020-05-15 | 269 |
| 一种离子聚合物金属复合材料水合度的测量方法及系统 | 2020-05-11 | 793 |
| 一种基于履带机器人的室内自主探索方法 | 2020-05-18 | 434 |
| 流体测量装置和用于流体测量装置的流体测量模块及组件 | 2020-05-16 | 702 |
| 一种基于谱图特征的并行卷积循环神经网络的语音情感识别方法 | 2020-05-17 | 780 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
