公开(公告)号：KR1020010027969A

公开(公告)日：2001-04-06

申请号：KR1019990039969

申请日：1999-09-17

Applicant: 한국과학기술연구원

Inventor： 윤석진 ,  김현재 ,  정형진 ,  신효순

IPC: C04B40/00

CPC classification number: C04B41/53 ,  C04B2235/6025

Abstract: PURPOSE: A method for preparing ceramics thick film is provided which improves the drying speed of a ceramics thick film process and significantly reduces phenomena of the thick film being cracked, by using a solvent washing method. CONSTITUTION: In the method for preparing ceramics thick film by a water system tape casting method, the thick film is washed with an organic solvent in a drying process of the ceramics thick film passed through a blade. The organic solvent is selected from the group consisting of methanol, ethanol, acetone, benzaldehyde, benzene, benzyl alcohol, n-butyl alcohol, carbon tetrachloride, cyclohexane, ethyl acetate, n-hexane, iso-butyl alcohol, iso-propyl alcohol, methyl ethyl ketone, n-octyl alcohol, n-propyl alcohol, toluene and xylene.

Abstract translation: 目的：提供一种制备陶瓷厚膜的方法，通过使用溶剂洗涤方法，可提高陶瓷厚膜工艺的干燥速度，并显着减少厚膜破裂现象。 构成：在通过水系带状流延法制备陶瓷厚膜的方法中，在通过刀片的陶瓷厚膜的干燥过程中，用有机溶剂洗涤厚膜。 有机溶剂选自甲醇，乙醇，丙酮，苯甲醛，苯，苄醇，正丁醇，四氯化碳，环己烷，乙酸乙酯，正己烷，异丁醇，异丙醇， 甲基乙基酮，正辛醇，正丙醇，甲苯和二甲苯。

公开(公告)号：KR100319496B1

公开(公告)日：2002-01-05

申请号：KR1019990039968

申请日：1999-09-17

Applicant: 한국과학기술연구원

Inventor： 윤석진 ,  김현재 ,  정형진 ,  신효순

IPC: C04B35/622

Abstract: 본발명은블레이드를통과한세라믹스후막의건조시이 후막을용매세척법에따라세척하기위한유기용매를담을수 있는용매세척조를본체에구비한수계테이프캐스팅장치에관한것이다. 이와같은장치를사용함으로써, 산업현장의연속공정에적용가능한용매세척법을수계테이프의제조에효과적으로적용할수 있다. 블레이드를통과한성형된후막이건조되기전에용매세척법에의해물을유기용매로치환하여세라믹스후막공정의건조속도가향상되고후막이갈라지는현상이현격히줄어들기때문에, 산업현장에서다양한테이프캐스팅법이물을사용하는수계로전환가능하게될 것이며, 이에따라유기용매에의한환경문제가해결되고작업환경개선에도움을줄 것이다.

公开(公告)号：KR1020010027968A

公开(公告)日：2001-04-06

申请号：KR1019990039968

申请日：1999-09-17

Applicant: 한국과학기술연구원

Inventor： 윤석진 ,  김현재 ,  정형진 ,  신효순

IPC: C04B35/622

CPC classification number: C04B41/53 ,  C04B2235/6025

Abstract: PURPOSE: An aqueous tape casting line equipped with a solvent washing vessel is provided to transform various tape casting methods into an aqueous tape casting method, thereby solving environmental problems due to organic solvents and improving working environment by substituting organic solvent for water in a solvent washing method before the formed back film is dried so as to improve drying rate of the ceramics back film process and remarkably reduce crack of the back film. CONSTITUTION: The tape casting line is equipped with a solvent washing vessel (2) capable of containing organic solvent for washing the back film in the solvent washing method while a ceramics back film (3) which is passed through a blade (5) is being dried.

Abstract translation: 目的：提供一种装有溶剂洗涤容器的水性胶带铸造线，以将各种胶带铸造方法转变成水性带铸造方法，从而解决有机溶剂中的环境问题，并通过在溶剂洗涤中用有机溶剂代替水来改善工作环境 在形成的背膜干燥之前的方法，以改善陶瓷背膜工艺的干燥速度并显着减少背膜的裂纹。 构成：带状铸造线配备有溶剂洗涤容器（2），其能够在溶剂洗涤方法中含有用于洗涤背膜的有机溶剂，而通过刀片（5）的陶瓷背膜（3）为 干燥。

公开(公告)号：KR100303610B1

公开(公告)日：2001-09-24

申请号：KR1019990039969

申请日：1999-09-17

Applicant: 한국과학기술연구원

Inventor： 윤석진 ,  김현재 ,  정형진 ,  신효순

IPC: C04B40/00

Abstract: 본발명은물을용매로사용하여테이프캐스팅법으로후막을제조한후 건조되지않은상태의후막을유기용매를이용하여세척함으로써물을유기용매로치환하는세라믹스후막의제조방법에관한것이다. 이방법에사용되는유기용매는물과쉽게혼합되고흡습성이강하고후막에포함된고분자와반응하지않는용매가바람직하며, 대표적인것으로는에탄올, 메탄올, 및아세톤등이있다. 이와같은용매세척법을이용함으로써세라믹스후막공정의건조속도가향상되고, 후막이갈라지는현상이현저히줄어들기때문에, 산업현장에서다양한테이프캐스팅법이물을사용하는수계로전환가능하게될 것이며, 이에따라유기용매에의한환경문제가해결되고작업환경개선에도움을줄 것이다.

公开(公告)号：KR100356640B1

公开(公告)日：2002-10-18

申请号：KR1020000001092

申请日：2000-01-11

Applicant: 한국과학기술연구원

Inventor： 윤석진 ,  김현재 ,  정형진 ,  신효순 ,  이동균

IPC: C04B35/491 ,  H01L41/187

Abstract: 본 발명은 Pb(Al
1/2 Nb
1/2 )O
3 -Pb(Zr,Ti)O
3 (PAN-PZT) 압전 세라믹 조성물에 첨가물인 Nb
2 O
5 가 첨가되어 있거나, 또는 Nb
2 O
5 와 MnO
2 가 첨가되어 있어 유전율 (K
33
T ), 전기기계 결합계수 (k
p ) 및 압전상수 (d
33 )가 높을 뿐만 아니라 기계적 품질계수 (Q
m )도 큰 압전재료용 산화물 조성물에 관한 것이다.

公开(公告)号：KR1020010068942A

公开(公告)日：2001-07-23

申请号：KR1020000001092

申请日：2000-01-11

Applicant: 한국과학기술연구원

Inventor： 윤석진 ,  김현재 ,  정형진 ,  신효순 ,  이동균

IPC: C04B35/491 ,  H01L41/187

CPC classification number: H01L41/1876 ,  C04B35/493

Abstract: PURPOSE: An oxide composition for piezo-electric material is provided for obtaining superior dielectric coefficient K33T, electrical-mechanical combination factor kp and piezo-electric constant d33 and excellent mechanical quality factor Qm of the composition by adding specific oxides such as Nb2O3 or Nb2O5 and MnO2. CONSTITUTION: The composition has the formula of 0.05(Al(1/2)Nb(1/2))O3 - 0.494PbZrO3 - 0.456PbTiO3 + mNb2O5 (wherein m represents 0.1 to 1.0 wt based on total weight of the composition) or the other formula of 0.05(Al(1/2)Nb(1/2))O3 - 0.494PbZrO3 - 0.456PbTiO3 + mNb2O5 + nMnO2 (wherein m represents 0.6 to 0.9 wt and n represents 0.3 to 0.8 wt. based on total weight of the composition). The composition is prepared by general combination procedure to add Nb2O5 or Nb2O5 and MnO2 into PZT three-base materials composition.

Abstract translation: 目的：提供一种用于压电材料的氧化物组合物，通过添加诸如Nb 2 O 3或Nb 2 O 5的特定氧化物，获得优异的介电系数K33T，机电组合因子kp和压电常数d33以及优异的机械品质因子Qm， 二氧化锰。 组成：该组合物具有0.05（Al（1/2）Nb（1/2））O3-0.494PbZrO3-0.456PbTiO3 + mNb2O5（其中m表示基于组合物的总重量为0.1至1.0wt）或式 0.05（Al（1/2）Nb（1/2））O3 - 0.494PbZrO3 - 0.456PbTiO3 + mNb2O5 + nMnO2（其中m表示0.6〜0.9重量％，n表示0.3〜0.8重量％ 组成）。 通过一般组合方法制备组合物，将Nb2O5或Nb2O5和MnO2添加到PZT三基材料组成中。