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Sunnyvale, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Device and method used for measuring wafers
Patent number
12,033,901
Issue date
Jul 9, 2024
Raintree Scientific Instruments (Shanghai) Corporation
Bin Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Calibrating method and device for broad-band achromatic composite w...
Patent number
10,309,834
Issue date
Jun 4, 2019
Raintree Scientific Instruments (Shanghai) Corporation
Fengjiao Zhong
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for wafer alignment
Patent number
9,978,152
Issue date
May 22, 2018
Raintree Scientific Instruments (Shanghai) Corporation
Jian Zhou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for ellipsometry measurement
Patent number
9,200,998
Issue date
Dec 1, 2015
Raintree Scientific Instruments (Shanghai) Corporation
Jiang-tao Dang
G01 - MEASURING TESTING
Information
Patent Grant
Image pattern matching systems and methods for wafer alignment
Patent number
8,538,168
Issue date
Sep 17, 2013
Raintree Scientific Instruments (Shanghai) Corporation
Lisong Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Spectroscopic ellipsometers
Patent number
7,999,949
Issue date
Aug 16, 2011
Raintree Scientific Instruments (Shanghai) Corporation
Tongxin Lu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
DEVICE AND METHOD USED FOR MEASURING WAFERS
Publication number
20220020648
Publication date
Jan 20, 2022
RAINTREE SCIENTIFIC INSTRUMENTS (SHANGHAI) CORPORATION
Bin LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CALIBRATING METHOD AND DEVICE FOR BROAD-BAND ACHROMATIC COMPOSITE W...
Publication number
20180283951
Publication date
Oct 4, 2018
RAINTREE SCIENTIFIC INSTRUMENTS (SHANGHAI) CORPORATION
Fengjiao ZHONG
G01 - MEASURING TESTING
Information
Patent Application
CHARGED PARTICLE DETECTOR
Publication number
20170323761
Publication date
Nov 9, 2017
RAINTREE SCIENTIFIC INSTRUMENTS (SHANGHAI) CORPORATION
Hu Luo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND APPARATUS FOR MEASURING CRITICAL DIMENSION OF SEMICONDUCTOR
Publication number
20150198434
Publication date
Jul 16, 2015
Raintree Scientific Instruments (Shanghai) Corporation
Huiping CHEN
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND SYSTEM FOR WAFER ALIGNMENT
Publication number
20150125069
Publication date
May 7, 2015
RAINTREE SCIENTIFIC INSTRUMENTS (SHANGHAI) CORPORATION
Jian ZHOU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and Apparatus for Ellipsometry Measurement
Publication number
20120038920
Publication date
Feb 16, 2012
RAINTREE SCIENTIFIC INSTRUMENTS (SHANGHAI) CORPORATION
Jiang-tao Dang
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR ELLIPSOMETRY MEASUREMENT
Publication number
20110176133
Publication date
Jul 21, 2011
RAINTREE SCIENTIFIC INSTRUMENTS (SHANGHAI) CORPORATION
Jiang-tao Dang
G01 - MEASURING TESTING
Information
Patent Application
Composite Optical Focusing Devices
Publication number
20100118308
Publication date
May 13, 2010
Raintree Scientific Instruments (Shanghai) Corporation
Tongxin Lu
G01 - MEASURING TESTING
Information
Patent Application
Image Rotation Devices and Their Applications
Publication number
20080024790
Publication date
Jan 31, 2008
Raintree Scientific Instruments (Shanghai) Corporation
Tongxin Lu
G01 - MEASURING TESTING
Information
Patent Application
Optical Measurement System with Simultaneous Multiple Wavelengths,...
Publication number
20070263220
Publication date
Nov 15, 2007
Raintree Scientific Instruments (Shanghai) Corporation
Tongxin Lu
G01 - MEASURING TESTING
Information
Patent Application
Spectroscopic Ellipsometers
Publication number
20070247624
Publication date
Oct 25, 2007
Raintree Scientific Instruments (Shanghai) Corporation
Tongxin Lu
G01 - MEASURING TESTING
Information
Patent Application
Optical Focusing Devices
Publication number
20070242267
Publication date
Oct 18, 2007
Raintree Scientific Instruments (Shanghai) Corporation
Tongxin Lu
G01 - MEASURING TESTING
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