公开(公告)号：KR1020000013235A

公开(公告)日：2000-03-06

申请号：KR1019980031979

申请日：1998-08-06

Applicant: 한국과학기술연구원

Inventor： 박재환 ,  이득우 ,  김효태 ,  박재관 ,  김인태 ,  김윤호

IPC: C04B35/46

CPC classification number: H01B3/12 ,  C04B35/465 ,  C04B35/64

Abstract: PURPOSE: A microwave dielectric ceramic composition for low temperature firing contains an appropriate amount of additives such as B2O3, Sb2O3 and Y2O3 to obtain a dense sintered compact even at a low temperature of 1200°C and has good microwave characteristics. CONSTITUTION: A microwave dielectric ceramic composition for low temperature firing comprises (Mg,Ca)TiO3 as a principal component, and additives such as B2O3, Sb2O3 and Y2O3 so as to obtain a dense sintered compact even at a low temperature of 1200°C and has good microwave characteristics, wherein 0.2-0.5 wt.% of B2O3 is added.

Abstract translation: 目的：用于低温焙烧的微波介电陶瓷组合物含有适当量的添加剂如B2O3，Sb2O3和Y2O3，即使在1200℃的低温下也能获得致密的烧结体，并具有良好的微波特性。 构成：即使在低温烧成的微波介电陶瓷组合物中，以（Mg，Ca）TiO 3为主成分，也可以添加B2O3，Sb2O3，Y2O3等添加剂，即使在1200℃的低温下也能得到致密的烧结体， 具有良好的微波特性，其中添加了0.2-0.5重量％的B2O3。

公开(公告)号：KR1020000050906A

公开(公告)日：2000-08-05

申请号：KR1019990001054

申请日：1999-01-15

Applicant: 한국과학기술연구원

Inventor： 박재환 ,  이득우 ,  박재관 ,  김윤호

IPC: C04B35/465

CPC classification number: H01B3/12 ,  C04B35/465 ,  C04B2235/3267 ,  C04B2235/3409

Abstract: PURPOSE: A low temperature sintering microwave dielectric composition prepared by mixing a proper sintering additive is provided which can be sintered at a temperature of about 1200°C. CONSTITUTION: A composition comprises (Mg0.93Ca0.07)TiO3, 0.2 to 0.4% by weight of B2O3 and 0.4 to 1.2% by weight of MnO2 as an additive. In this way, baking can be performed at a low temperature, and further an excellent microwave characteristic can be obtained even by baking at a low temperature. In a (Mg0.93Ca0.07)TiO3 microwave dielectric composition, it is possible to sinter at a relatively low temperature and maintain excellent microwave dielectric characteristics by using B2O3 and MnO2.

Abstract translation: 目的：提供通过混合适当的烧结添加剂制备的低温烧结微波电介质组合物，其可以在约1200℃的温度下烧结。 构成：组合物包含（Mg 0.93 Ca 0.08 O）TiO 3，0.2〜0.4重量％的B 2 O 3和0.4〜1.2重量％的作为添加剂的MnO 2。 以这种方式，可以在低温下进行烘烤，即使在低温下进行烘烤也能获得良好的微波特性。 在（Mg0.93Ca0.07）TiO3微波电介质组合物中，可以在较低温度下烧结，并通过使用B2O3和MnO2保持优异的微波介电特性。

公开(公告)号：KR100310035B1

公开(公告)日：2001-11-14

申请号：KR1019990001054

申请日：1999-01-15

Applicant: 한국과학기술연구원

Inventor： 박재환 ,  이득우 ,  박재관 ,  김윤호

IPC: C04B35/465

Abstract: 저온소성이가능하면서도우수한마이크로파특성을갖는유전체세라믹조성물이제공된다. 본발명의조성물은 (MgCa)TiO에 BO및 MnO를첨가제로사용함으로써저온소결이가능한한편, 양호한마이크로파특성을갖는다. 1200℃에서적정량의 BO를첨가한영역에서는 1350℃에서소결한순수한 (MgCa)TiO보다높은품질계수값을나타내었다.