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    • 2. 发明公开
    • FBAR 필터 및 이를 이용한 듀플렉서
    • FBAR滤波器和双工器使用它
    • KR1020030087729A
    • 2003-11-15
    • KR1020020025610
    • 2002-05-09
    • 엘지이노텍 주식회사
    • 손헌영임정택
    • H03H9/54
    • H03H9/0542H03H9/0571H03H9/542H03H9/562
    • PURPOSE: An FBAR(Film Bulk Acoustic Resonator) filter and a duplexer using the same are provided to enhance a characteristic of attenuation by forming FBARs having a π-type ladder structure. CONSTITUTION: An FBAR filter includes the first FBAR(210a), the second FBAR(210b), the third FBAR(220a), and the fourth FBAR(220b). The FBAR filter has a π-type ladder structure. The first FBAR(210a) is serially connected to the second FBAR(210b). The third FBAR(220a) and the fourth FBAR(220b) are connected between the first FBAR(210a) and the second FBAR(210b). The third FBAR(220a) and the fourth FBAR(220b) are connected in parallel to each other. A duplexer has a π-type ladder structure using the FBAR filter including a transmitting filter portion and a receiving filter portion.
    • 目的:通过形成具有π型梯形结构的FBAR,提供FBAR(Film Bulk Acoustic Resonator)滤光器和使用其的双工器,以增强衰减的特性。 构成:FBAR滤波器包括第一FBAR(210a),第二FBAR(210b),第三FBAR(220a)和第四FBAR(220b)。 FBAR滤波器具有π型梯形结构。 第一FBAR(210a)串联连接到第二FBAR(210b)。 第三FBAR(220a)和第四FBAR(220b)连接在第一FBAR(210a)和第二FBAR(210b)之间。 第三FBAR(220a)和第四FBAR(220b)彼此并联连接。 双工器具有使用包括发送滤波器部分和接收滤波器部分的FBAR滤波器的π型梯形结构。
    • 3. 发明公开
    • 박막 용적 공진기 필터 및 그 제조방법
    • 电影大容量声学谐振滤波器及其制作方法
    • KR1020030073843A
    • 2003-09-19
    • KR1020020013595
    • 2002-03-13
    • 엘지이노텍 주식회사
    • 손헌영신진현
    • H03H9/64
    • H03H9/64H03H3/02H03H9/54H03H2009/02173
    • PURPOSE: A film bulk acoustic resonator(FBAR) filter and a fabrication method thereof are provided to simplify the fabrication process of FBAR without changing the thickness of a piezoelectric layer and a top electrode of the FBAR. CONSTITUTION: The film bulk acoustic resonator(FBAR) filter comprises a semiconductor substrate(23), and an insulation layer(24) formed on the above semiconductor substrate, and a serial and parallel film bulk acoustic resonator(FBAR) (21,22) which is formed on the above insulation layer and has electrodes of different thickness to have a different resonant frequency. The parallel FBAR is as high as the serial FBAR from the above insulation layer, and a frequency control electrode(25) having a fixed height toward the bottom is formed on the bottom of the above insulation film to make different resonant frequency.
    • 目的:提供薄膜体声波谐振器(FBAR)滤波器及其制造方法,以简化FBAR的制造过程,而不改变压电层和FBAR的顶部电极的厚度。 构成:薄膜体声波谐振器(FBAR)滤波器包括半导体衬底(23)和形成在上述半导体衬底上的绝缘层(24),以及串联和平行膜体声波谐振器(FBR)(21,22) 其形成在上述绝缘层上并具有不同厚度的电极以具有不同的谐振频率。 平行FBAR与来自上述绝缘层的串联FBAR一样高,并且在上述绝缘膜的底部形成有朝向底部具有固定高度的频率控制电极(25),以形成不同的谐振频率。
    • 4. 发明公开
    • 박막용적 탄성공진기 듀플렉서
    • 电影大音量声学谐振器
    • KR1020030071208A
    • 2003-09-03
    • KR1020020010796
    • 2002-02-28
    • 엘지이노텍 주식회사
    • 손헌영임정택
    • H01P1/20
    • PURPOSE: A film bulk acoustic resonator is provided to prevent an interference phenomenon by forming a capacitor portion with an interdigital transducer and installing an inductor portion between a transmission film bulk acoustic resonator filter and a reception film bulk acoustic resonator filter. CONSTITUTION: A film bulk acoustic resonator includes a transmission film bulk acoustic resonator filter(21), a reception film bulk acoustic resonator filter(22), an inductor portion(22c), and a capacitor portion(22d). The transmission film bulk acoustic resonator filter(21) is used for playing a role of a transmission portion for transmitting signals. The reception film bulk acoustic resonator filter(22) is used for playing a role of a reception portion for receiving signals. The inductor portion(22c) and the capacitor portion(22d) are used for varying phases of the signals. The capacitor portion is formed with an interdigital transducer.
    • 目的:提供一种薄膜体声波谐振器以通过形成具有叉指式换能器的电容器部分并且在传输膜体声波谐振器滤波器和接收膜体声波谐振器滤波器之间安装电感器部分来防止干扰现象。 构成:薄膜体声波谐振器包括透射膜体声波谐振器滤波器(21),接收薄膜体声波谐振器滤波器(22),电感器部分(22c)和电容器部分(22d)。 透射膜体声波谐振器滤波器(21)用于播放用于发送信号的发送部分的作用。 接收胶片体声波谐振器滤波器(22)用于播放用于接收信号的接收部分的作用。 电感器部分(22c)和电容器部分(22d)用于改变信号的相位。 电容器部分由叉指式换能器形成。
    • 5. 发明公开
    • 안테나 스위치 모듈
    • 天线开关模块,用于通过绝缘盖形成元件来避免元件之间的短路
    • KR1020050022454A
    • 2005-03-08
    • KR1020030060889
    • 2003-09-01
    • 엘지이노텍 주식회사
    • 손헌영
    • H01Q1/24
    • H01P1/15H03H9/0561H04B1/44
    • PURPOSE: An antenna switch module is provided to form an insulating cap on the antenna switch module as a lamination of ceramic substrates by using a molding method using an epoxy resin. CONSTITUTION: A plurality of ceramic substrates(100) include elements including a diplexer and a phase shifter which are patterned and laminated on a surface thereof. A diode, a capacitor, and a resistor are adhered on each upper surface of the ceramic substrates. An insulating cap(200) is formed by hardening an insulating material. The insulating cap is used for protecting the diode, the capacitor, and the resistor which are adhered on each upper surface of the ceramic substrates. The insulating cap is an insulator formed with an epoxy resin.
    • 目的:提供一种天线开关模块,通过使用环氧树脂的成型方法,在天线开关模块上形成绝缘盖,作为陶瓷基板的叠层。 构成:多个陶瓷基板(100)包括在其表面上图案化并层叠的双工器和移相器的元件。 二极管,电容器和电阻器粘附在陶瓷基板的每个上表面上。 通过硬化绝缘材料形成绝缘帽(200)。 绝缘帽用于保护粘附在陶瓷基板的每个上表面上的二极管,电容器和电阻器。 绝缘帽是由环氧树脂形成的绝缘体。
    • 6. 发明公开
    • 박막 용적 탄성 공진기 듀플렉서
    • 带有同一个膜片的电容式音箱谐振器双工器,具有发射器和接收器端子的同一个薄膜音箱谐振器
    • KR1020050011132A
    • 2005-01-29
    • KR1020030050104
    • 2003-07-22
    • 엘지이노텍 주식회사
    • 손헌영
    • H03H9/25
    • H03H9/54H03H9/171H03H9/174H03H9/205H03H9/56
    • PURPOSE: A film bulk acoustic resonator duplexer is provided to reduce manufacturing cost by commonly using film bulk acoustic resonators at transmitter and receiver ends. CONSTITUTION: A film bulk acoustic resonator duplexer includes a substrate(50), a film bulk acoustic resonator package, a plurality of transmitting/receiving package terminals(60,70), a plurality of separate element terminals(81,82,83,84), and an input/output terminal(91,92). The transmitting/receiving package terminals are formed on the substrate to enable an implementation of the film bulk acoustic resonator on the substrate. The separate element terminals mount separate elements which are electrically coupled with the film bulk acoustic resonator package. The film bulk acoustic resonator package includes the same terminals as the transmitting/receiving package terminals for common use.
    • 目的:提供一种薄膜体声共振器双工器,通过在发射机和接收机端通常使用薄膜体声波谐振器来降低制造成本。 构成:薄膜体声波谐振器双工器包括基板(50),薄膜体声波谐振器封装,多个发送/接收封装端子(60,70),多个单独元件端子(81,82,83,84 )和输入/输出端子(91,92)。 发射/接收封装端子形成在衬底上以使得能够在衬底上实现膜体声波谐振器。 单独的元件端子安装与薄膜体声波谐振器封装电耦合的分开的元件。 膜体声波谐振器封装包括与用于常用的发送/接收封装端子相同的端子。
    • 7. 发明公开
    • 필터 내장형 표면탄성파 필터 패키지
    • 过滤器安装型表面声波过滤器包装
    • KR1020020068733A
    • 2002-08-28
    • KR1020010008985
    • 2001-02-22
    • 엘지이노텍 주식회사
    • 김경석김시형손헌영
    • H03H9/64
    • H03H9/64H01P1/2135H03H7/12H03H9/0561H03H9/25
    • PURPOSE: A filter mounting type surface acoustic wave filter package is provided to improve characteristics of a surface acoustic wave filter by mounting a low pass filter including a micro strip line on a ceramic substrate. CONSTITUTION: A surface acoustic wave filter(12) is mounted in a package(11). The remaining area except for an area of the package(11) for mounting the surface acoustic wave filter(12) is formed with a stepped portion. An input electrode and an output electrode of the surface acoustic wave filter(12) are connected with a micro strip line(13) by wire bonding(14). The micro strip line(13) is used for performing a function of a low pass filter. The micro strip line(13) is formed by a screen printing method, an evaporation method, and a sputtering method.
    • 目的:提供一种滤波器安装型表面声波滤波器封装,以通过将包括微带线的低通滤波器安装在陶瓷基板上来改善表面声波滤波器的特性。 构成:表面声波滤波器(12)安装在封装(11)中。 除了用于安装表面声波滤波器(12)的封装(11)的区域之外的剩余区域形成有台阶部分。 声表面波滤波器(12)的输入电极和输出电极通过引线接合(14)与微带线(13)连接。 微带线(13)用于执行低通滤波器的功能。 微带线(13)通过丝网印刷法,蒸镀法,溅射法形成。