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Sung-Nee George CHU
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Fremont, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Indium phosphide (InP) wafer having pits of olive-shape on the back...
Patent number
11,376,703
Issue date
Jul 5, 2022
BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
Liugang Wang
B24 - GRINDING POLISHING
Information
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
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Patent Grant
Indium phosphide wafer having pits on the back side, method and etc...
Patent number
11,094,549
Issue date
Aug 17, 2021
Beijing Tongmei Xtal Technology Co., Ltd.
Liugang Wang
H01 - BASIC ELECTRIC ELEMENTS
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
INDIUM PHOSPHIDE (INP) WAFER HAVING PITS OF OLIVE-SHAPE ON THE BACK...
Publication number
20210370459
Publication date
Dec 2, 2021
BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
Liugang WANG
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
INDIUM PHOSPHIDE WAFER HAVING PITS ON THE BACK SIDE, METHOD AND ETC...
Publication number
20200227268
Publication date
Jul 16, 2020
BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
Liugang WANG
B24 - GRINDING POLISHING