公开(公告)号：US20180047870A1

公开(公告)日：2018-02-15

申请号：US15797263

申请日：2017-10-30

Applicant: Sensor Electronic Technology, Inc.

Inventor： Rakesh Jain ,  Wenhong Sun ,  Jinwei Yang ,  Maxim S. Shatalov ,  Alexander Dobrinsky ,  Michael Shur ,  Remigijus Gaska

IPC: H01L33/06 ,  H01L33/12 ,  H01L29/778 ,  H01L33/24 ,  H01L21/02 ,  H01L33/32 ,  H01L33/22 ,  H01L29/20 ,  H01L29/51

CPC classification number: H01L33/06 ,  H01L21/0242 ,  H01L21/0243 ,  H01L21/02458 ,  H01L21/0254 ,  H01L21/02639 ,  H01L21/0265 ,  H01L29/2003 ,  H01L29/518 ,  H01L29/7786 ,  H01L33/12 ,  H01L33/22 ,  H01L33/24 ,  H01L33/32 ,  H01L2933/0083 ,  H01L2933/0091

Abstract: A device having a layer with a patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers with a high concentration of aluminum, is provided. The patterned surface can include a substantially flat top surface and a plurality of stress reducing regions, such as openings. The substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the stress reducing regions can have a characteristic size between approximately 0.1 microns and approximately five microns and a depth of at least 0.2 microns. A layer of group-III nitride material can be grown on the first layer and have a thickness at least twice the characteristic size of the stress reducing regions.

公开(公告)号：US20170287698A1

公开(公告)日：2017-10-05

申请号：US15633141

申请日：2017-06-26

Applicant: Sensor Electronic Technology, Inc.

Inventor： Rakesh Jain ,  Wenhong Sun ,  Jinwei Yang ,  Maxim S. Shatalov ,  Alexander Dobrinsky ,  Michael Shur ,  Remigijus Gaska

IPC: H01L21/02 ,  H01L33/12 ,  H01L33/32 ,  H01L33/14 ,  H01L33/06 ,  C30B25/04 ,  H01L33/10 ,  H01L29/778 ,  H01L29/20 ,  H01L29/205 ,  C30B29/40 ,  C30B25/18 ,  H01L33/22 ,  H01L33/40

CPC classification number: H01L33/12 ,  C30B25/04 ,  C30B25/183 ,  C30B29/406 ,  H01L21/0242 ,  H01L21/0243 ,  H01L21/02458 ,  H01L21/0254 ,  H01L21/02639 ,  H01L21/0265 ,  H01L29/2003 ,  H01L29/205 ,  H01L29/518 ,  H01L29/7786 ,  H01L29/7787 ,  H01L33/06 ,  H01L33/10 ,  H01L33/145 ,  H01L33/22 ,  H01L33/24 ,  H01L33/32 ,  H01L33/405 ,  H01L2933/0091

Abstract: A method of fabricating a device using a layer with a patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers with a high concentration of aluminum, is provided. The patterned surface can include a substantially flat top surface and a plurality of stress reducing regions, such as openings. The substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the stress reducing regions can have a characteristic size between approximately 0.1 microns and approximately five microns and a depth of at least 0.2 microns. A layer of group-Ill nitride material can be grown on the first layer and have a thickness at least twice the characteristic size of the stress reducing regions. A device including one or more of these features also is provided.

公开(公告)号：US09406840B2

公开(公告)日：2016-08-02

申请号：US14984342

申请日：2015-12-30

Applicant: Sensor Electronic Technology, Inc.

Inventor： Michael Shur ,  Rakesh Jain ,  Maxim S. Shatalov ,  Alexander Dobrinsky ,  Jinwei Yang ,  Remigijus Gaska ,  Mikhail Gaevski

IPC: H01L33/06 ,  H01L33/32 ,  H01L33/38 ,  H01L33/00

CPC classification number: H01L33/06 ,  H01L33/007 ,  H01L33/18 ,  H01L33/30 ,  H01L33/32 ,  H01L33/382 ,  H01L2224/14 ,  H01L2933/0016 ,  H01S5/3209 ,  H01S5/3413 ,  H01S5/34333

Abstract: A device comprising a semiconductor layer including a plurality of compositional inhomogeneous regions is provided. The difference between an average band gap for the plurality of compositional inhomogeneous regions and an average band gap for a remaining portion of the semiconductor layer can be at least thermal energy. Additionally, a characteristic size of the plurality of compositional inhomogeneous regions can be smaller than an inverse of a dislocation density for the semiconductor layer.

公开(公告)号：US09397260B2

公开(公告)日：2016-07-19

申请号：US13647885

申请日：2012-10-09

Applicant: Sensor Electronic Technology, Inc.

Inventor： Rakesh Jain ,  Wenhong Sun ,  Jinwei Yang ,  Maxim S. Shatalov ,  Alexander Dobrinsky ,  Michael Shur ,  Remigijus Gaska

IPC: H01L27/15 ,  H01L31/072 ,  H01L33/22 ,  H01L33/12 ,  H01L33/32 ,  H01L21/02 ,  H01L29/66 ,  H01L29/20 ,  H01L29/34 ,  H01L29/778 ,  H01L33/24

CPC classification number: H01L33/22 ,  H01L21/0242 ,  H01L21/0243 ,  H01L21/02458 ,  H01L21/0254 ,  H01L21/02639 ,  H01L21/0265 ,  H01L21/02658 ,  H01L29/2003 ,  H01L29/205 ,  H01L29/34 ,  H01L29/66462 ,  H01L29/778 ,  H01L29/7787 ,  H01L33/007 ,  H01L33/06 ,  H01L33/10 ,  H01L33/12 ,  H01L33/24 ,  H01L33/32 ,  H01L2933/0091

Abstract: A device having a layer with a patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers with a high concentration of aluminum, is provided. The patterned surface can include a substantially flat top surface and a plurality of stress reducing regions, such as openings. The substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the stress reducing regions can have a characteristic size between approximately 0.1 microns and approximately five microns and a depth of at least 0.2 microns. A layer of group-III nitride material can be grown on the first layer and have a thickness at least twice the characteristic size of the stress reducing regions.

Abstract translation: 提供具有具有用于改善半导体层的生长的图案化表面的层的器件，例如具有高浓度铝的III族氮化物基半导体层。 图案化表面可以包括基本上平坦的顶表面和多个减压区域，例如开口。 基本上平坦的顶表面可以具有小于约0.5纳米的均方根粗糙度，并且应力减小区域可以具有在约0.1微米至约5微米之间的特征尺寸和至少0.2微米的深度。 III族氮化物材料层可以在第一层上生长并且具有至少是应力减小区域的特征尺寸的两倍的厚度。

公开(公告)号：US09330906B2

公开(公告)日：2016-05-03

申请号：US14266900

申请日：2014-05-01

Applicant: Sensor Electronic Technology, Inc.

Inventor： Maxim S. Shatalov ,  Jinwei Yang ,  Wenhong Sun ,  Rakesh Jain ,  Michael Shur ,  Remigijus Gaska

IPC: H01L31/00 ,  H01L21/02 ,  H01L29/20 ,  H01L33/00 ,  H01L33/12

CPC classification number: H01L29/158 ,  H01L21/0237 ,  H01L21/02458 ,  H01L21/02505 ,  H01L21/02507 ,  H01L21/02513 ,  H01L21/0254 ,  H01L21/0262 ,  H01L21/02639 ,  H01L21/0265 ,  H01L29/0657 ,  H01L29/2003 ,  H01L29/205 ,  H01L33/007 ,  H01L33/12

Abstract: A semiconductor structure, such as a group III nitride-based semiconductor structure is provided. The semiconductor structure includes a cavity containing semiconductor layer. The cavity containing semiconductor layer can have a thickness greater than two monolayers and a multiple cavities. The cavities can have a characteristic size of at least one nanometer and a characteristic separation of at least five nanometers.

公开(公告)号：US20160118531A1

公开(公告)日：2016-04-28

申请号：US14944538

申请日：2015-11-18

Applicant: Sensor Electronic Technology, Inc.

Inventor： Rakesh Jain ,  Maxim S. Shatalov ,  Jinwei Yang ,  Alexander Dobrinsky ,  Michael Shur ,  Remigijus Gaska

IPC: H01L33/00 ,  H01L33/14

CPC classification number: H01L33/002 ,  H01L31/022408 ,  H01L31/035236 ,  H01L31/105 ,  H01L33/0062 ,  H01L33/025 ,  H01L33/04 ,  H01L33/145 ,  H01L33/32 ,  H01L2933/0008

Abstract: An improved heterostructure for an optoelectronic device is provided. The heterostructure includes an active region, an electron blocking layer, and a p-type contact layer. The p-type contact layer and electron blocking layer can be doped with a p-type dopant. The dopant concentration for the electron blocking layer can be at most ten percent the dopant concentration of the p-type contact layer. A method of designing such a heterostructure is also described.

公开(公告)号：US20160093771A1

公开(公告)日：2016-03-31

申请号：US14660125

申请日：2015-03-17

Applicant: Sensor Electronic Technology, Inc.

Inventor： Maxim S. Shatalov ,  Rakesh Jain ,  Jinwei Yang ,  Michael Shur ,  Remigijus Gaska

IPC: H01L33/32 ,  G06F17/50 ,  H01L33/22 ,  H01L33/00 ,  H01L33/12

CPC classification number: H01L33/22 ,  G06F17/5068 ,  G06F2217/12 ,  H01L21/0237 ,  H01L21/0242 ,  H01L21/0243 ,  H01L21/02458 ,  H01L21/0254 ,  H01L21/02617 ,  H01L21/02639 ,  H01L21/0265 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/06 ,  H01L33/12 ,  H01L33/32 ,  H01L2224/16225

Abstract: A patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers, is provided. The patterned surface can include a set of substantially flat top surfaces and a plurality of openings. Each substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the openings can have a characteristic size between approximately 0.1 micron and five microns. One or more of the substantially flat top surfaces can be patterned based on target radiation.

Abstract translation: 提供了用于改善半导体层的生长的图案化表面，例如III族氮化物基半导体层。 图案化表面可以包括一组基本平坦的顶表面和多个开口。 每个基本上平坦的顶表面可以具有小于约0.5纳米的均方根粗糙度，并且开口可以具有在约0.1微米和5微米之间的特征尺寸。 基本平坦的顶表面中的一个或多个可以基于目标辐射进行图案化。

公开(公告)号：US20150295133A1

公开(公告)日：2015-10-15

申请号：US14686845

申请日：2015-04-15

Applicant: Sensor Electronic Technology, Inc.

Inventor： Daniel D. Billingsley ,  Robert M. Kennedy ,  Wenhong Sun ,  Rakesh Jain ,  Maxim S. Shatalov ,  Alexander Dobrinsky ,  Michael Shur ,  Remigijus Gaska

IPC: H01L33/32 ,  H01L33/06 ,  H01L21/02 ,  H01L29/205 ,  H01L29/778 ,  H01L29/66 ,  H01L33/00 ,  H01L29/20

CPC classification number: H01L33/12 ,  H01L21/02458 ,  H01L21/02507 ,  H01L21/0254 ,  H01L29/155 ,  H01L29/2003 ,  H01L33/0025 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/06 ,  H01L33/20 ,  H01L33/24 ,  H01L33/32 ,  H01L2224/16225

Abstract: A heterostructure for use in fabricating an optoelectronic device is provided. The heterostructure includes a layer, such as an n-type contact or cladding layer, that includes thin sub-layers inserted therein. The thin sub-layers can be spaced throughout the layer and separated by intervening sub-layers fabricated of the material for the layer. The thin sub-layers can have a distinct composition from the intervening sub-layers, which alters stresses present during growth of the heterostructure.

Abstract translation: 提供了用于制造光电子器件的异质结构。 异质结构包括诸如n型接触或包覆层的层，其包括插入其中的薄子层。 薄的子层可以遍及整个层间隔开，并由用于该层的材料制成的中间子层隔开。 薄的子层可以具有与插入的子层不同的组成，其在异质结构的生长期间改变应力存在。

公开(公告)号：USRE48943E1

公开(公告)日：2022-02-22

申请号：US16814607

申请日：2020-03-10

Applicant: Sensor Electronic Technology, Inc.

Inventor： Rakesh Jain ,  Maxim S. Shatalov ,  Jinwei Yang ,  Alexander Dobrinsky ,  Michael Shur ,  Remigijus Gaska

IPC: H01L33/06 ,  H01L33/00 ,  H01L33/12 ,  H01L33/04 ,  H01L33/32 ,  H01L33/14

Abstract: Heterostructures for use in optoelectronic devices are described. One or more parameters of the heterostructure can be configured to improve the reliability of the corresponding optoelectronic device. The materials used to create the active structure of the device can be considered in configuring various parameters the n-type and/or p-type sides of the heterostructure.

公开(公告)号：US20190207059A1

公开(公告)日：2019-07-04

申请号：US16299362

申请日：2019-03-12

Applicant: Sensor Electronic Technology, Inc.

Inventor： Michael Shur ,  Rakesh Jain ,  Maxim S. Shatalov ,  Alexander Dobrinsky ,  Jinwei Yang ,  Remigijus Gaska ,  Mikhail Gaevski

IPC: H01L33/06 ,  H01L33/18 ,  H01S5/022 ,  H01L33/38 ,  H01L33/00

CPC classification number: H01L33/06 ,  H01L33/007 ,  H01L33/18 ,  H01L33/30 ,  H01L33/382 ,  H01L2224/14 ,  H01S5/0224 ,  H01S5/3209 ,  H01S5/3413 ,  H01S5/34333

Abstract: A device comprising a semiconductor layer including a plurality of compositional inhomogeneous regions is provided. The difference between an average band gap for the plurality of compositional inhomogeneous regions and an average band gap for a remaining portion of the semiconductor layer can be at least thermal energy. Additionally, a characteristic size of the plurality of compositional inhomogeneous regions can be smaller than an inverse of a dislocation density for the semiconductor layer.