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    • 2. 发明公开
    • 압전형 음향 변환기 및 이의 제조방법
    • 压电声波传感器及其制造方法
    • KR1020100071607A
    • 2010-06-29
    • KR1020080130385
    • 2008-12-19
    • 삼성전자주식회사
    • 김동균정석환정병길
    • H04R17/00H04R17/02H04R31/00B06B1/06G10K9/122
    • H04R17/00H04R17/02Y10T29/42H04R17/005B06B1/0666G10K9/122H04R31/006
    • PURPOSE: A piezoelectric acoustic transducer and a method for fabricating the same are provided to obtain large transformation amount under a low driving voltage using parlylene or low stress non-stoichiometric silicon nitride film on the external side of a diaphragm. CONSTITUTION: A through region is formed in a substrate(110). A piezoelectric unit(150) is located on a part of the central part of the through region. The piezoelectric unit includes a first electrode and a second electrode which are arranged on both sides of the piezoelectric unit. A transforming film(130) connects and elastically transforms the peripheral of the piezoelectric unit and a substrate. A transformation is delivered to the piezoelectric unit and the transforming film is vibrated with the piezoelectric unit.
    • 目的:提供一种压电声换能器及其制造方法,以便在隔膜的外侧使用亚甲基或低应力非化学计量的氮化硅膜,在低驱动电压下获得大的相变量。 构成:在基板(110)中形成贯通区域。 压电单元(150)位于贯通区域的中心部分的一部分。 压电单元包括布置在压电单元两侧的第一电极和第二电极。 变换膜(130)连接并弹性地变换压电单元的周边和基板。 对压电单元进行转换,并且转印膜与压电单元振动。
    • 3. 发明公开
    • 압전 스피커
    • 压电扬声器
    • KR1020110060189A
    • 2011-06-08
    • KR1020090116704
    • 2009-11-30
    • (주)세미로드
    • 김홍성천인호
    • H04R17/10B06B1/06G10K9/122H04R31/00
    • H04R17/10B06B1/0666G10K9/122H04R31/006
    • PURPOSE: A piezoelectric speaker is provided to generate resonance of a piezoelectric diaphragm by forming a sound chamber in an inner space of a ceramic frame. CONSTITUTION: A piezoelectric diaphragm(120) made of a piezoelectric body(121) is formed on a metal plate(122). A piezoelectric diaphragm adhesive part(131) is adhered with the metal plate. The ceramic frame(130) consisting of an acoustic chamber(132) is formed within the piezoelectric diaphragm adhesive part. The metal plate can be formed in a circular or elliptic shape. The thickness of the metal plate can be changed according to a size of the metal plate. The piezoelectric body is adhered on a surface of the metal plate. The piezoelectric body is formed in the center of the metal plate.
    • 目的:提供一种压电扬声器,通过在陶瓷框架的内部空间中形成声室来产生压电振动膜的共振。 构成:在金属板(122)上形成由压电体(121)构成的压电振动膜(120)。 压电隔膜粘合部分(131)与金属板粘合。 在压电隔膜粘合部内形成由声室132构成的陶瓷框架130。 金属板可以形成为圆形或椭圆形。 可以根据金属板的尺寸来改变金属板的厚度。 压电体粘附在金属板的表面上。 压电体形成在金属板的中心。
    • 5. 发明公开
    • 초음파 트랜스듀서
    • 超声波换能器
    • KR20180008587A
    • 2018-01-24
    • KR20177035808
    • 2016-05-19
    • UBEAM INC
    • JOYCE ANDREWTAFFLER SEANREYNOLDS PAULLAKE JONATHAN
    • B06B1/06
    • B06B1/0666
    • 초음파트랜스듀서를위한시스템및 기술이제공된다. 기판은메인공동, 제2 공동, 및채널을포함할수 있다. 상기메인공동은상기제2 공동보다더 깊은깊이를가질수 있다. 상기제2 공동은채널보다더 깊은깊이를가질수 있다. 상기메인공동과제2 공동이중첩되는곳에제1 계단이형성될수 있다. 상기제2 공동과메인공동이중접되는공세제2 계단이형성될수 있다. 전기기계식활성장치는상기제1 계단및 제2 계단에서상기기판에부착되어상기전기기계식활성장치의자유말단부가상기메인공동위에매달릴수 있다. 상기기판에멤브레인섹션이접착되어상기멤브레인이상기메인공동및 제2 공동을덮고상기전기기계식활성장치의자유단에접착될수 있다.
    • 提供了超声波换能器的系统和技术。 衬底可以包括主腔体,第二腔体和通道。 主腔可以具有比第二腔更深的深度。 第二个腔体可以具有比通道更深的深度。 在主关节任务2的腔体重叠的地方可以形成第一步骤。 并且可以形成第二公共腔的第二阶梯与第二腔的双重接触。 机电有源装置可以在第一和第二台阶处附接到基板,使得机电有源装置的自由远端可以悬挂在主腔体上方。 膜部分可以粘合到基底以覆盖膜相位主和第二腔并粘附到机电有源装置的自由端。