BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ventilated puck
- Patent number 12,040,206
- Issue date Jul 16, 2024
- Beijing Tongmei Xtal Technology Co., Ltd.
- Wei Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ventilated wafer cassette
- Patent number 12,033,877
- Issue date Jul 9, 2024
- Beijing Tongmei Xtal Technology Co., Ltd.
- Wei Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information 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
Information 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
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
Process for cleaning a compound semiconductor wafer
- Patent number 8,691,019
- Issue date Apr 8, 2014
- Beijing Tongmei Xtal Technology Co., Ltd.
- Diansheng Ren
- H01 - BASIC ELECTRIC ELEMENTS

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Patents Applicationslast 30 patents

Information Patent Application
VENTILATED PUCK
- Publication number 20240363381
- Publication date Oct 31, 2024
- BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
- Wei Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND SETUP FOR DETECTING SURFACE HAZE OF MATERIALS
- Publication number 20230341336
- Publication date Oct 26, 2023
- BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
- Wei Gao
- G01 - MEASURING TESTING
Information Patent Application
VENTILATED PUCK
- Publication number 20220415685
- Publication date Dec 29, 2022
- BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
- Wei Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VENTILATED WAFER CASSETTE
- Publication number 20220415684
- Publication date Dec 29, 2022
- BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
- Wei Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information 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
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
PROCESS FOR CLEANING A COMPOUND SEMICONDUCTOR WAFER
- Publication number 20130276824
- Publication date Oct 24, 2013
- BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.
- Diansheng Ren
- H01 - BASIC ELECTRIC ELEMENTS

BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.

Organization

Patents Grantslast 30 patents

Ventilated puck

Ventilated wafer cassette

Indium phosphide (InP) wafer having pits of olive-shape on the back...

Monocrystalline germanium wafers, method for preparing the same, me...

Indium phosphide wafer having pits on the back side, method and etc...

IIIA-VA group semiconductor single crystal substrate and method for...

Process for cleaning a compound semiconductor wafer

Patents Applicationslast 30 patents

VENTILATED PUCK

METHOD AND SETUP FOR DETECTING SURFACE HAZE OF MATERIALS

VENTILATED PUCK

VENTILATED WAFER CASSETTE

GERMANIUM SINGLE-CRYSTAL WAFER, METHOD FOR PREPARING GERMANIUM SING...

INDIUM PHOSPHIDE (INP) WAFER HAVING PITS OF OLIVE-SHAPE ON THE BACK...

Monocrystalline Germanium Wafers, Method for Preparing the Same, Me...

INDIUM PHOSPHIDE WAFER HAVING PITS ON THE BACK SIDE, METHOD AND ETC...

CONTROLLABLE OXYGEN CONCENTRATION IN SEMICONDUCTOR SUBSTRATE

IIIA-VA GROUP SEMICONDUCTOR SINGLE CRYSTAL SUBSTRATE AND METHOD FOR...

PROCESS FOR CLEANING A COMPOUND SEMICONDUCTOR WAFER