Boundary acoustic wave device
    1.
    发明授权
    Boundary acoustic wave device 有权
    边界声波装置

    公开(公告)号:US07898145B2

    公开(公告)日:2011-03-01

    申请号:US12409702

    申请日:2009-03-24

    IPC分类号: H03H9/25

    摘要: A boundary acoustic wave device includes a piezoelectric substance made of LiNbO3 having a surface obtained by rotating a Y axis by about 15°±10° as a primary surface, a dielectric substance which is made of a silicon oxide and which is laminated to the piezoelectric substance, and an electrode structure disposed at a boundary between the piezoelectric substance and the dielectric substance and which includes an IDT arranged to utilize a boundary acoustic wave propagating along the boundary. When the density of the IDT, the thickness thereof, the wavelength deter-mined by the period of electrode fingers of the IDT, and the duty ratio thereof are represented by ρ (kg/m3), H (μm), λ (μm), and x, respectively, x and the product of H/λ and ρ are set in a range that satisfies the following formula (1): (H/λ)×ρ>70.7924(x+0.055)(−2.884)+797.09  Formula (1).

    摘要翻译: 一种弹性边界波装置包括由具有通过使Y轴旋转大约15°±10°获得的表面的LiNbO 3制成的压电物质作为主表面,由氧化硅制成并且被压电 物质,以及设置在压电体和电介质之间的边界处的电极结构,并且包括设置成利用沿边界传播的边界声波的IDT。 当IDT的密度,其厚度,由IDT的电极指的周期决定的波长及其占空比由&rgr; (kg / m3),H(μm),λ(μm)和x分别为x和H /λ与&rgr; (H /λ)×70.7924(x + 0.055)( - 2.884)+797.09式(1)的范围设定为满足下式(1)的范围。

    Acoustic wave filter
    2.
    发明授权
    Acoustic wave filter 有权
    声波滤波器

    公开(公告)号:US07728699B2

    公开(公告)日:2010-06-01

    申请号:US12359424

    申请日:2009-01-26

    IPC分类号: H03H9/145 H03H9/64

    CPC分类号: H03H9/6436 H03H9/1452

    摘要: A longitudinally coupled resonator acoustic wave filter device that utilizes an inter-IDT resonance mode with a reduced insertion loss has a structure in which apodization weights are assigned in first to third IDTs having narrow pitch electrode finger portions in portions other than the narrow pitch electrode finger portions, such that the electrode finger overlap width sequentially varies in an acoustic wave propagating direction in which an acoustic wave propagates, and portions of the IDTs located at ends adjacent to the narrow pitch electrode finger portions have a maximum electrode finger overlap width.

    摘要翻译: 利用具有减小的插入损耗的IDT间谐振模式的纵向耦合谐振器声波滤波器装置具有这样的结构,其中,在窄间距电极指之外的部分中,在具有窄间距电极指部分的第一至第三IDT中分配变迹权重 使得电极指重叠宽度在声波传播的声波传播方向上顺序变化,并且位于与窄间距电极指部相邻的端部处的IDT的部分具有最大电极指重叠宽度。

    Elastic wave filter device and duplexer
    3.
    发明授权
    Elastic wave filter device and duplexer 有权
    弹性波滤波器和双工器

    公开(公告)号:US07800460B2

    公开(公告)日:2010-09-21

    申请号:US12242983

    申请日:2008-10-01

    IPC分类号: H03H9/72 H03H9/64

    摘要: An elastic wave filter device includes first and second elastic wave filter units connected to an unbalanced terminal. The first and second elastic wave filter units include first to third IDTs and fourth to sixth IDTs, respectively. One end of the first IDT, one end of the second IDT, one end of the fourth IDT, and one end of the sixth IDT are commonly connected together and are connected to the unbalanced terminal. The second IDT and the fifth IDT are each divided into first to third sub-IDT portions in the elastic wave propagation direction, respectively. The second sub-IDT portions of the second and fifth IDTs are connected to first and second balanced terminals, respectively.

    摘要翻译: 弹性波滤波器装置包括连接到不平衡端子的第一和第二弹性波滤波器单元。 第一和第二弹性波滤波器单元分别包括第一至第三IDT和第四至第六IDT。 第一IDT的一端,第二IDT的一端,第四IDT的一端和第六IDT的一端共同连接在一起,并连接到不平衡终端。 第二IDT和第五IDT分别在弹性波传播方向上划分成第一至第三子IDT部分。 第二和第五IDT的第二子IDT部分分别连接到第一和第二平衡端子。

    Surface acoustic wave device having balanced and unbalanced terminals and a delay line
    4.
    发明授权
    Surface acoustic wave device having balanced and unbalanced terminals and a delay line 有权
    具有平衡和不平衡端子和延迟线的表面声波器件

    公开(公告)号:US06809614B2

    公开(公告)日:2004-10-26

    申请号:US10327052

    申请日:2002-12-24

    IPC分类号: H03H964

    摘要: A surface acoustic wave device includes a first surface acoustic wave filter including at least two interdigital transducer IDTs arranged along a surface acoustic wave propagation direction on a piezoelectric substrate, and a second surface acoustic wave filter including at least two interdigital transducer IDTs arranged along the surface acoustic wave propagation direction on a piezoelectric substrate. The input terminals of the first and second surface acoustic wave filters are electrically connected to each other and to an unbalanced signal terminal via a common connection point. The output terminals of the surface acoustic wave filters are connected to balanced signal terminals, respectively. A delay line is introduced between the common connection point and the first surface acoustic wave filter on the piezoelectric substrate.

    摘要翻译: 表面声波装置包括:第一表面声波滤波器,包括沿着压电基板上的表面声波传播方向布置的至少两个叉指式换能器IDT,以及包括沿着表面布置的至少两个叉指式换能器IDT的第二声表面波滤波器 压电基片上的声波传播方向。 第一和第二声表面波滤波器的输入端经由公共连接点彼此电连接到不平衡信号端子。 声表面波滤波器的输出端分别连接到平衡信号端子。 在公共连接点和压电基板上的第一声表面波滤波器之间引入延迟线。

    Boundary acoustic wave filter
    5.
    发明授权
    Boundary acoustic wave filter 有权
    边界声波滤波器

    公开(公告)号:US07808344B2

    公开(公告)日:2010-10-05

    申请号:US12354162

    申请日:2009-01-15

    IPC分类号: H03H9/64

    摘要: A longitudinally coupled resonator boundary acoustic wave filter device includes a piezoelectric substrate made of LiNbO3 having a principal plane obtained by rotating the Y-axis through about 15 degrees +−10 degrees, a dielectric substrate made of silicon oxide and laminated on the piezoelectric substrate, and an electrode structure arranged at a boundary between the piezoelectric substrate and the dielectric substrate. The electrode structure includes a plurality of IDTs arranged in a direction in which a boundary acoustic wave propagates, and reflectors, wherein where in each of the plurality of IDTs, the overlap width of electrode fingers is W and the interval of electrode fingers is P, W/P is in a range of about 20 to about 45.

    摘要翻译: 一种纵向耦合的谐振器边界声波滤波器装置,包括由具有通过使Y轴旋转约15度±10度而获得的主平面的LiNbO 3制成的压电基板,由氧化硅制成并层压在压电基板上的电介质基板, 以及布置在所述压电基板和所述电介质基板之间的边界处的电极结构。 电极结构包括沿声弹性波传播方向布置的多个IDT和反射器,其中在多个IDT中的每一个中,电极指的重叠宽度为W且电极指的间隔为P, W / P在约20至约45的范围内。

    Semiconductor device and method of manufacturing the same
    6.
    发明授权
    Semiconductor device and method of manufacturing the same 有权
    半导体装置及其制造方法

    公开(公告)号:US08680599B2

    公开(公告)日:2014-03-25

    申请号:US13207002

    申请日:2011-08-10

    IPC分类号: H01L27/108 H01L21/8242

    摘要: To provide a more reliable semiconductor device including a lower-cost and more reliable capacitor and a method of manufacturing the same. This manufacturing method comprises the steps of: preparing a semiconductor substrate; and forming, over one of the major surfaces of the semiconductor substrate, a first metal electrode including an aluminum layer, a dielectric layer over the first metal electrode, and a second metal electrode over the dielectric layer. In the step of forming the first metal electrode, the aluminum layer is formed so that the surface thereof satisfies a relationship of Rmax

    摘要翻译: 为了提供一种更可靠的半导体装置及其制造方法。 该制造方法包括以下步骤:制备半导体衬底; 以及在所述半导体衬底的一个主表面上形成第一金属电极,所述第一金属电极包括铝层,所述第一金属电极上的电介质层和所述电介质层上的第二金属电极。 在形成第一金属电极的步骤中,形成铝层,使得其表面满足Rmax <80nm,Rms <10nm和Ra <9nm的关系。 形成第一金属电极的步骤包括以下步骤:形成至少一个第一阻挡层; 在所述第一阻挡层上形成所述铝层; 并使构成铝层的结晶重结晶。

    AIR PRE-TREATMENT DEVICE
    8.
    发明申请
    AIR PRE-TREATMENT DEVICE 有权
    空气预处理装置

    公开(公告)号:US20110303086A1

    公开(公告)日:2011-12-15

    申请号:US13058944

    申请日:2010-06-15

    IPC分类号: B03C3/68 B01D46/00

    摘要: The present technology provides an air pre-treatment and monitoring device that includes an inlet port configured to receive an air flow and an outlet port configured to expel the air flow. The illustrative air pre-treatment device further includes a multiple-stage filter arranged between the inlet and outlet ports and that is configured to filter particles from the air flow.

    摘要翻译: 本技术提供了一种空气预处理和监测装置,其包括构造成接收空气流的入口端口和被配置为排出空气流的出口端口。 示例性空气预处理装置还包括布置在入口和出口之间的多级过滤器,并且被配置为从空气流中过滤颗粒。

    Oscillation control device and synchronization system
    9.
    发明授权
    Oscillation control device and synchronization system 有权
    振荡控制装置和同步系统

    公开(公告)号:US07647032B2

    公开(公告)日:2010-01-12

    申请号:US11541634

    申请日:2006-10-03

    IPC分类号: H04B1/16 H04B1/06

    CPC分类号: H03L7/00

    摘要: An oscillation control device for controlling a frequency of an oscillator located at the remote site from a standard laboratory having a standard oscillator. The control device includes: a comparison section to compare a frequency of the frequency signal synchronized with a radio signal produced by a signal processing section with a frequency of a oscillation signal outputted from an oscillator to be controlled, an acquisition section to obtain, through a communication network, a comparison result which is obtained by a comparison of a frequency of the standard oscillator held by the standard laboratory and a frequency of the radio signal, a calculation section to calculate deviation between the frequency of the oscillator to be controlled and the frequency of the standard oscillator based on their comparison, and a control section to control the frequency of the oscillator to be controlled, based on the deviation calculated.

    摘要翻译: 一种振荡控制装置,用于从具有标准振荡器的标准实验室控制位于远端的振荡器的频率。 控制装置包括:比较部,其将与由信号处理部生成的无线信号同步的频率信号的频率与从被控制的振荡器输出的振荡信号的频率进行比较;获取部, 通信网络,通过比较由标准实验室保持的标准振荡器的频率和无线电信号的频率获得的比较结果,计算部分,用于计算要控制的振荡器的频率与频率之间的偏差 基于其比较的标准振荡器,以及基于计算的偏差来控制要控制的振荡器的频率的控制部分。

    Oscillation control device and synchronization system
    10.
    发明申请
    Oscillation control device and synchronization system 有权
    振荡控制装置和同步系统

    公开(公告)号:US20070077902A1

    公开(公告)日:2007-04-05

    申请号:US11541634

    申请日:2006-10-03

    IPC分类号: H04B1/18

    CPC分类号: H03L7/00

    摘要: An oscillation control device for controlling a frequency of an oscillator located at the remote site from a standard laboratory having a standard oscillator. The control device includes: a comparison section to compare a frequency of the frequency signal synchronized with a radio signal produced by a signal processing section with a frequency of a oscillation signal outputted from an oscillator to be controlled, an acquisition section to obtain, through a communication network, a comparison result which is obtained by a comparison of a frequency of the standard oscillator held by the standard laboratory and a frequency of the radio signal, a calculation section to calculate deviation between the frequency of the oscillator to be controlled and the frequency of the standard oscillator based on their comparison, and a control section to control the frequency of the oscillator to be controlled, based on the deviation calculated.

    摘要翻译: 一种振荡控制装置,用于从具有标准振荡器的标准实验室控制位于远端的振荡器的频率。 控制装置包括:比较部,其将与由信号处理部生成的无线信号同步的频率信号的频率与从被控制的振荡器输出的振荡信号的频率进行比较;获取部, 通信网络,通过比较由标准实验室保持的标准振荡器的频率和无线电信号的频率获得的比较结果,计算部分,用于计算要控制的振荡器的频率与频率之间的偏差 基于其比较的标准振荡器,以及基于计算的偏差来控制要控制的振荡器的频率的控制部分。