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1. (WO2018204724) TERAHERTZ SYSTEMS AND METHODS FOR MATERIALS IMAGING AND ANALYSIS

Pub. No.:    WO/2018/204724    International Application No.:    PCT/US2018/030993
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Fri May 04 01:59:59 CEST 2018
IPC: G01N 21/3581
G01N 21/31
G01N 21/3554
G01N 21/3563
Applicants: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Inventors: CHANG, Mau-Chung Frank
AL HADI, Richard
ZHAO, Yan
Title: TERAHERTZ SYSTEMS AND METHODS FOR MATERIALS IMAGING AND ANALYSIS
Abstract:
An imaging device and method for evaluating and/or imaging material or chemical constituents of a sample. In one configuration, the imaging device includes a scanner having a terahertz wave transmitter configured to determine the amount of superabsorbent polymer (SAP) in the core of disposable hygiene product such as baby diapers, adult diapers and feminine hygiene pads, during the fabrication process.