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Morris S. Young
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fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Low etch pit density 6 inch semi-insulating gallium arsenide wafers
Patent number
12,084,790
Issue date
Sep 10, 2024
AXT, Inc.
Rajaram Shetty
C30 - CRYSTAL GROWTH
Information
Patent Grant
Low etch pit density, low slip line density, and low strain indium...
Patent number
12,054,851
Issue date
Aug 6, 2024
AXT, Inc.
Morris Young
C30 - CRYSTAL GROWTH
Information
Patent Grant
Low etch pit density 6 inch semi-insulating gallium arsenide wafers
Patent number
11,680,340
Issue date
Jun 20, 2023
AXT, Inc.
Rajaram Shetty
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low etch pit density, low slip line density, and low strain indium...
Patent number
11,608,569
Issue date
Mar 21, 2023
AXT, Inc.
Morris Young
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
IIIA-VA group semiconductor single crystal substrate and method for...
Patent number
9,691,617
Issue date
Jun 27, 2017
Beijing Tongmei Xtal Technology Co., Ltd.
Morris Young
C30 - CRYSTAL GROWTH
Information
Patent Grant
Low etch pit density (EPD) semi-insulating III-V wafers
Patent number
8,361,225
Issue date
Jan 29, 2013
AXT, Inc.
Weiguo Liu
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Low etch pit density (EPD) semi-insulating GaAs wafers
Patent number
7,566,641
Issue date
Jul 28, 2009
AXT, Inc.
Weiguo Liu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LOW ETCH PIT DENSITY 6 INCH SEMI-INSULATING GALLIUM ARSENIDE WAFERS
Publication number
20240426025
Publication date
Dec 26, 2024
AXT, Inc.
Rajaram Shetty
C30 - CRYSTAL GROWTH
Information
Patent Application
LOW ETCH PIT DENSITY, LOW SLIP LINE DENSITY, AND LOW STRAIN INDIUM...
Publication number
20240384436
Publication date
Nov 21, 2024
AXT, Inc.
Morris Young
C30 - CRYSTAL GROWTH
Information
Patent Application
LOW ETCH PIT DENSITY 6 INCH SEMI-INSULATING GALLIUM ARSENIDE WAFERS
Publication number
20230407522
Publication date
Dec 21, 2023
AXT, Inc.
Rajaram Shetty
C30 - CRYSTAL GROWTH
Information
Patent Application
LOW ETCH PIT DENSITY, LOW SLIP LINE DENSITY, AND LOW STRAIN INDIUM...
Publication number
20230212784
Publication date
Jul 6, 2023
AXT, Inc.
Morris Young
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LOW ETCH PIT DENSITY, LOW SLIP LINE DENSITY, AND LOW STRAIN INDIUM...
Publication number
20210269939
Publication date
Sep 2, 2021
AXT, Inc.
Morris Young
C30 - CRYSTAL GROWTH
Information
Patent Application
Low Etch Pit Density Gallium Arsenide Crystals With Boron Dopant
Publication number
20200190697
Publication date
Jun 18, 2020
AXT, Inc.
Rajaram Shetty
C30 - CRYSTAL GROWTH
Information
Patent Application
LOW ETCH PIT DENSITY 6 INCH SEMI-INSULATING GALLIUM ARSENIDE WAFERS
Publication number
20200190696
Publication date
Jun 18, 2020
AXT, Inc.
Rajaram Shetty
C30 - CRYSTAL GROWTH
Information
Patent Application
CONTROLLABLE OXYGEN CONCENTRATION IN SEMICONDUCTOR SUBSTRATE
Publication number
20160053404
Publication date
Feb 25, 2016
BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
Morris YOUNG
C30 - CRYSTAL GROWTH
Information
Patent Application
IIIA-VA GROUP SEMICONDUCTOR SINGLE CRYSTAL SUBSTRATE AND METHOD FOR...
Publication number
20150279678
Publication date
Oct 1, 2015
BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
Morris Young
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Low Etch Pit Density (EPD) Semi-Insulating III-V Wafers
Publication number
20110293890
Publication date
Dec 1, 2011
AXT, Inc.
Weiguo Liu
C30 - CRYSTAL GROWTH
Information
Patent Application
LOW ETCH PIT DENSITY (EPD) SEMI-INSULATING III-V WAFERS
Publication number
20110089538
Publication date
Apr 21, 2011
Weiguo Liu
C30 - CRYSTAL GROWTH
Information
Patent Application
Low Etch Pit Density (EPD) Semi-Insulating GaAs Wafers
Publication number
20100001288
Publication date
Jan 7, 2010
AXT, Inc.
Weiguo Liu
C30 - CRYSTAL GROWTH
Information
Patent Application
Low etch pit density (EPD) semi-insulating GaAs wafers
Publication number
20080280427
Publication date
Nov 13, 2008
Weiguo Liu
C30 - CRYSTAL GROWTH
Information
Patent Application
Apparatus and method for reducing impurities in a semiconductor mat...
Publication number
20060183329
Publication date
Aug 17, 2006
AXT, Inc.
Charles Leung
C30 - CRYSTAL GROWTH
Information
Patent Application
Apparatus and method for balanced pressure growth of Group III-V mo...
Publication number
20040173140
Publication date
Sep 9, 2004
Xiao Gordon Liu
C30 - CRYSTAL GROWTH
Information
Patent Application
Apparatus and method for reducing impurities in a semiconductor mat...
Publication number
20040173315
Publication date
Sep 9, 2004
Charles Leung
C30 - CRYSTAL GROWTH