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(19)

(11)

2 415 083

(13)

(51)

IPC

C01G25/00(2006-01-01)

C01G23/00(2006-01-01)

C01G21/00(2006-01-01)

C04B35/462(2006-01-01)

C04B35/622(2006-01-01)

(21) (22)

Application

2007126649/05, 2005-12-13

(24)

Start date

2005-12-13

(22)

Actual filing date

2005-12-13

(45)

Published

2011-03-27

(72)

Inventor

Auehr GerkhardGjunnel' KhorstKhipler FrankKhoffman Mikhel' J.Vagner SuzanneKungl' Khans

(73)

Holder

Krenoks Gmbkh

FINELY DISPERSED LEAD-ZIRCONIUM TITANATES, ZIRCONIUM TITANATE HYDRATES AND ZIRCONIUM TITANATES AND PRODUCTION METHOD THEREOF Russian patent published in 2011 - IPC C01G25/00 C01G23/00 C01G21/00 C04B35/462 C04B35/622

Abstract RU 2415083 C2

FIELD: chemistry.

SUBSTANCE: invention can be used in microelectronics industry. To obtain zirconium titanates, zirconium compounds react with titanium dioxide particles, having BET specific surface area greater than 200 m²/g. To obtain lead-zirconium titanates, lead and zirconium compounds react with titanium dioxide particles with BET specific surface area greater than 200 m²/g. Content of halides in the titanium dioxide particles used is less than 1000 parts per million in terms of TiO₂. The lead-zirconium titanates are ground and then pressed to form green moulds or processed into a film, after which they are sintered to obtain microelectronic articles.

EFFECT: invention enables to obtain finely dispersed, well sintered zirconium titanates or lead-zirconium titanates.

47 cl, 11 ex

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RU 2 415 083 C2

Authors

Auehr Gerkhard

Gjunnel' Khorst

Khipler Frank

Khoffman Mikhel' J.

Vagner Suzanne

Kungl' Khans

Dates

2011-03-27—Published

2005-12-13—Filed