UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION PIEZOELECTRIC ELEMENT USING SAME DEVICE AND METHOD FOR MANUFACTURING UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION

申请公布号：KR101701666(B1)

申请号：KR20157030232

申请日期：2014.03.11

申请公布日期：2017.02.01

申请人：

니뽄 도쿠슈 도교 가부시키가이샤

发明人：야마자키 마사토;마츠오카 다카유키;기타무라 가즈아키;고즈카 히사시;야마다 히데토;구라하시 도시아키;가사시마 다카시;오키무라 야스유키;오바야시 가즈시게

分类号：H01L41/18;H01L41/09;H01L41/113;H01L41/187;H01L41/43

主分类号：H01L41/18

摘要：무연 압전 자기 조성물은, 압전 특성을 갖는 니오브/탄탈산알칼리계 페로브스카이트 산화물로 이루어지는 제 1 결정상과, M-Ti-O 계 스피넬 화합물 (원소 M 은 1 ∼ 4 가의 원소) 로 이루어지는 제 2 결정상을 함유한다.

Apparatus for tying articles into bundles

Improvements in and relating to ironing tables and the like

Prestressed electrical contact

Method of photonitrosation of cycloalkane

Glass tubing dimension control system

Electromagnetic brakes and clutches

Transfer apparatus

Automatic leg boning machine and method

Crushing chamber wear indicator

Apparatus for handling thermoplastic material

Dough bread baking belts

Device for arresting moving vehicles

Modulation and transfer of information achieved by speed differential

Timer and timer control contactor combination

Method and system for measuring the length of running textile filaments

Automatic neutron activator analyzer

Arrangement for the supply of electric power to a rail travelling carriage

Dithiocyano derivatives of vinyl cyclohexene-3

Organosilicon compounds

7-methoxy-1, 2, 3, 4, 4a, 9, 10, 10a-octahydro-phenanthrene-2-methanols and 7-pyrrolidino-2-acetyl-1, 2, 3, 4, 4a, 4b, 5, 6, 10, 10a-decahydrophenanthrene