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    • 1. 发明申请
    • Optical filter
    • 滤光片
    • US20110019296A1
    • 2011-01-27
    • US12804373
    • 2010-07-20
    • Takuji YamamotoNobuo HirumaMotoo TakadaKozo OnoMasahiro YoshimatsuTakehiro Takahashi
    • Takuji YamamotoNobuo HirumaMotoo TakadaKozo OnoMasahiro YoshimatsuTakehiro Takahashi
    • G02B5/22
    • G02B5/282G02B7/006
    • An object of the invention is to provide an optical filter that prevents an optical thin film formed on an optical plate from being partially removed, and prevents micro-cracks occurring in an outer peripheral edge section of a principle surface of the optical plate, and that has a high yield rate. An optical filter is provided with an optical plate which has a chamfered section formed on an outer peripheral edge section of one principle surface of the optical plate, and has isotropy with respect to wet-etching, and the chamfered section is of an arc shape which is cross-sectionally concave in an inward direction of the optical plate, and is formed by means of wet-etching. A crossing angle between the one principle surface and a concave surface where the chamfered section is formed, and a crossing angle between the concave surface and a side surface of the optical plate 3 where the chamfered section is formed, namely, crossing angles θG and θH are respectively 100° or greater and less than 180° .
    • 本发明的目的是提供一种滤光器,其防止形成在光学板上的光学薄膜被部分去除,并且防止在光学板的主表面的外周边缘部分中发生微裂纹,并且, 具有高产率。 滤光器设置有光学板,该光学板具有形成在光学板的一个主表面的外周边缘部分上的倒角部分,并且具有相对于湿蚀刻的各向同性,并且倒角部分为弧形, 在光学板的向内方向上具有横截面凹陷,并且通过湿蚀刻形成。 一个主表面与形成有倒角部的凹面之间的交叉角以及凹面与形成有倒角部的光学板3的侧面之间的交叉角,即交叉角度&G 和H;分别为100°以上且小于180°。
    • 3. 发明申请
    • Method of manufacturing piezoelectric oscillating pieces, piezoelectric oscillating piece, and piezoelectric resonator
    • 制造压电振动片,压电振动片和压电谐振器的方法
    • US20100141100A1
    • 2010-06-10
    • US12592623
    • 2009-11-30
    • Takehiro TakahashiMasahiro Yoshimatsu
    • Takehiro TakahashiMasahiro Yoshimatsu
    • H01L41/047H01L41/22
    • H03H3/02H03H9/0595H03H9/1021H03H9/131H03H9/19Y10T29/42
    • Wafer-level processing of making outer peripheral ends (beveled portions) of piezoelectric oscillating pieces thinner than center portion sides is made possible easily and at low cost. A metal film which is a mask of a piezoelectric substrate and a photoresist film which is a mask of the metal film and has a pattern with which connection support portions supporting piezoelectric oscillating pieces on the piezoelectric substrate are formed are stacked on the piezoelectric substrate in this order from the substrate side, and by etching with the photoresist film and the metal film used as masks, contours of the plural piezoelectric oscillating pieces are formed in the piezoelectric substrate. Then, from a direction of through spaces (side surfaces) formed by this etching, the metal film is etched with an etching solution without peeling off the photoresist film, whereby outer peripheral sides of the metal film are removed and surfaces of outer peripheral ends of the piezoelectric oscillating pieces are exposed, and the exposed surfaces are etched with an etching solution, whereby the piezoelectric oscillating pieces are processed so that outer peripheral ends thereof become thinner than inner peripheral sides.
    • 制造比中心部分侧薄的压电振动片的外周端(斜面部分)的晶片级处理成为可能。 作为压电基板的掩模的金属膜和作为金属膜的掩模的具有形成有压电基板上的压电振荡片的连接支撑部的图案的光致抗蚀剂膜被堆叠在压电基板上 并且通过用光致抗蚀剂膜和用作掩模的金属膜进行蚀刻,在压电基板中形成多个压电振荡片的轮廓。 然后,从通过该蚀刻形成的贯通空间(侧面)的方向,用蚀刻液蚀刻金属膜,而不剥离光致抗蚀剂膜,由此除去金属膜的外周侧, 压电振荡片被暴露,并且用蚀刻溶液蚀刻暴露的表面,由此压电振荡片被加工成使其外周端变得比内周侧薄。
    • 7. 发明授权
    • Piezoelectric device with tuning-fork type piezoelectric vibrating piece
    • 带音叉式压电振动片的压电元件
    • US08476811B2
    • 2013-07-02
    • US13192883
    • 2011-07-28
    • Shuichi MizusawaTakehiro Takahashi
    • Shuichi MizusawaTakehiro Takahashi
    • H01L41/047H01L41/053H03H9/21
    • H03H9/1035H03H9/0595
    • To provide the piezoelectric device and the manufacturing method thereof, in which the quartz-crystal side surface electrodes and the base side surface electrodes are ensured to be electrically connected without disconnection. The piezoelectric device (100) comprises: a piezoelectric vibrating piece (21), an outer frame (22), a piezoelectric frame (20) for forming a first castellation (204), a package base (12) which is bonded by to the outer frame by adhesive (13) and which the second castellation is formed, and a package lid (11). The piezoelectric frame comprises: an excitation electrodes, a second extraction electrodes and a first side surface electrodes formed on the first castellation. The package base comprises: a second side surface electrode formed on the second castellation, and an external electrode. A pair of connection electrodes (14) is formed on the first castellation or second castellation, for electrically connecting the first side surface electrode or the first extraction electrode to the second side surface electrode.
    • 为了提供确保石英晶体侧表面电极和基极侧表面电极电连接而不断开的压电装置及其制造方法。 压电装置(100)包括:压电振动片(21),外框架(22),用于形成第一座标(204)的压电框架(20),封装基座(12) 通过粘合剂(13)形成外框,并且形成第二壁饰,以及包装盖(11)。 压电框架包括:激发电极,第二提取电极和形成在第一座标上的第一侧表面电极。 封装基底包括:第二侧面电极,形成在第二座壁上,外部电极。 一对连接电极(14)形成在第一座位或第二座标上,用于将第一侧面电极或第一引出电极电连接到第二侧面电极。
    • 8. 发明授权
    • Process for manufacturing crystal resonator
    • 制造晶体谐振器的工艺
    • US08431030B2
    • 2013-04-30
    • US12802290
    • 2010-06-03
    • Takehiro Takahashi
    • Takehiro Takahashi
    • B44C1/22
    • H03H9/0595H03H3/04H03H9/02023H03H9/19
    • There is provided a crystal resonator (crystal element) in which the probability of chipping occurring in separation is small when there is one supporting section with respect to a frame section of a crystal wafer, and inclined surfaces due to the anisotropy of etching are eliminated. The present invention relates to a crystal resonator manufacturing method such that an AT-cut crystal wafer is etched, a large number of rectangular crystal elements are joined with frame sections by supporting sections, and the crystal elements are mechanically cut away from the frame sections. On both sides of the +X-axis one end section of the crystal element, at least the outer side surface has a planarly tapered projection having a triangular inclined surface with an apex in the −X-axis direction, and the tip end of the projection has processing traces of the etching in the +X-axis direction.
    • 提供了一种晶体谐振器(晶体元件),其中当相对于晶体晶片的框架部分存在一个支撑部分时,在分离中发生切屑的可能性较小,并且消除了由于蚀刻的各向异性引起的倾斜表面。 本发明涉及一种晶体谐振器制造方法,其中蚀刻了AT切割晶体晶片,大量的矩形晶体元件通过支撑部分与框架部分接合,并且晶体元件被机械地从框架部分切除。 在晶体元件的+ X轴一端部的两侧,至少外侧面具有平面渐缩的突起,其具有在-X轴方向上具有顶点的三角形倾斜面,并且 投影具有沿+ X轴方向的蚀刻的处理痕迹。
    • 10. 发明授权
    • Image display device
    • 图像显示装置
    • US08299980B2
    • 2012-10-30
    • US12674521
    • 2007-08-22
    • Takehiro TakahashiIsao TomisawaMasaru Ishikawa
    • Takehiro TakahashiIsao TomisawaMasaru Ishikawa
    • G09G5/00
    • G02B27/2292G02B27/02
    • An image display device main roughly includes a floating image display unit 1 and a floating image recognizing unit 2. The floating image displaying unit 1 includes a display unit 10 having an image screen 11 for displaying a two-dimensional image, and an image transfer panel 20 located far from the image screen 11, the floating image display unit 1 being to focus light left from the image screen 11 on an image plane 30 in a space to thereby display a floating image, the space being located on one side of the image transfer panel 20 opposite to the other side thereof facing the display unit 11. The floating image recognizing unit 2 is formed of a light-transmissive plate 40 that is light transmissive. The light-transmissive plate 40 has a size that allows all light left from the image screen 11 and focused on the image plane 30 to be passed therethrough. The light-transmissive plate 40 is placed to be obliquely-crossed to the image plane 30.
    • 图像显示装置主要包括浮动图像显示单元1和浮动图像识别单元2.浮动图像显示单元1包括具有用于显示二维图像的图像屏幕11的显示单元10和图像传送面板 20位于远离图像屏幕11的位置,浮动图像显示单元1将在图像屏幕11中留下的光聚焦在空间中的图像平面30上,从而显示浮动图像,该空间位于图像的一侧 传送面板20与面向显示单元11的另一侧相对。浮动图像识别单元2由透光板40形成。 透光板40具有允许从图像屏幕11留下的所有光并且聚焦在图像平面30上的尺寸通过其中的尺寸。 透光板40被放置成与图像平面30倾斜交叉。