HIGH-PURITY PIEZOELECTRIC CERAMIC NANOPOWDER FOR LOW-TEMPERATURE CALCINATION AND PREPARATION METHOD THEREFOR

WIPO Patent Application WO/2022/231020

A1

Disclosed are high-purity piezoelectric ceramic nanopowder for low-temperature calcination, and a preparation method therefor. The high-purity piezoelectric ceramic nanopowder can have a high-quality and uniform composition ratio by completely removing an organic polymer component through pyrolysis by calcination after separating and extracting only a liquid-phase organic solvent component from a piezoelectric precursor solution prepared by a chemical solution synthesis method. According to the high-purity piezoelectric ceramic nanopowder for low-temperature calcination and the preparation method therefor according to the present invention, each component may be completely dissolved by the chemical solution synthesis method to carry out the synthesis, and thus, the adjustment of the composition ratio may be easy, and high-purity piezoelectric ceramic nanopowder having a uniform composition ratio can be prepared.

JPH1133301	ORGANIC SOLVENT RECOVERY DEVICE AND METHOD FOR OPERATING THE DEVICE
WO/2008/089943	MICROWAVE HYDRODIFFUSION FOR ISOLATION OF NATURAL PRODUCTS
WO/2001/087449	DEVICE FOR SEPARATING LIQUIDS THAT HAVE DIFFERENT BOILING POINTS, ESPECIALLY FOR SEPARATING WATER FROM OIL

KOO CHANG-YOUNG (KR)
WOO DO-HYEON (KR)

PCT/KR2021/005329

November 03, 2022

April 27, 2021

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QUINTESS CO LTD (KR)

B01D3/10; C04B35/626; C04B35/01; C04B35/64; H01L41/187

KR20120001279A	2012-01-04
JP2018095524A	2018-06-21
JPH10251279A	1998-09-22
JP2006199578A	2006-08-03
JP2001143531A	2001-05-25

DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)

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