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last 30 patents
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Patent Grant
Monocrystalline germanium wafers, method for preparing the same, me...
Patent number
11,127,867
Issue date
Sep 21, 2021
Beijing Tongmei Xtal Technology Co., Ltd.
Rajaram Shetty
C30 - CRYSTAL GROWTH
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
Systems, methods and solutions for chemical polishing of GaAs wafers
Patent number
8,318,042
Issue date
Nov 27, 2012
AXT Inc.
Tan Kaixie
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
GERMANIUM SINGLE-CRYSTAL WAFER, METHOD FOR PREPARING GERMANIUM SING...
Publication number
20220238746
Publication date
Jul 28, 2022
BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
Rajaram SHETTY
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Monocrystalline Germanium Wafers, Method for Preparing the Same, Me...
Publication number
20210175377
Publication date
Jun 10, 2021
BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
Rajaram SHETTY
H01 - BASIC ELECTRIC ELEMENTS
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
Systems, methods and solutions for chemical polishing of GaAs wafers
Publication number
20100176336
Publication date
Jul 15, 2010
AXT, Inc.
Tan Kaixie
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...