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    • 1. 发明授权
    • Cleaning apparatus
    • 清洁装置
    • US5379785A
    • 1995-01-10
    • US849455
    • 1992-03-11
    • Masashi OhmoriSatoru KotohShinji Nakajima
    • Masashi OhmoriSatoru KotohShinji Nakajima
    • H01L21/304H01L21/00H01L21/027B08B3/10
    • H01L21/67057Y10S134/902
    • A cleaning apparatus and a cleaning method effectively clean the entire surface of a substrate to be cleaned by uniformly irradiating ultrasonic waves to the substrate. Ultrasonic waves generated by an ultrasonic oscillator provided on the side wall of an outer tank are transmitted through an ultrasonic wave transmission medium provided between the outer tank and an inner tank, for example, water, and are irradiated on a substrate to be cleaned, for example, a semiconductor wafer, in the inner tank through a cleaning chemical in the inner tank. By irradiating the ultrasonic waves from the side of the cleaning apparatus, a support base blocks the least amount of ultrasonic waves from reaching the substrate. This is effective to uniformly clean the substrate.
    • 清洁装置和清洁方法通过将超声波均匀地照射到基板上来有效地清洁待清洁的基板的整个表面。 通过设置在外箱侧壁上的超声波振荡器产生的超声波通过设置在外箱和内箱例如水之间的超声波传输介质传送,并照射在待清洗的基板上, 例如,半导体晶片,通过内罐中的清洁化学品在内罐中。 通过从清洁装置侧照射超声波,支撑基座阻止最少量的超声波到达基板。 这对于均匀地清洁基底是有效的。
    • 10. 发明授权
    • Flow rate sensor
    • 流量传感器
    • US06189380B1
    • 2001-02-20
    • US09154983
    • 1998-09-17
    • Tomoya YamakawaShingo HamadaFumiyoshi YonezawaTakeharu OshimaSatoru KotohHiroyuki Uramachi
    • Tomoya YamakawaShingo HamadaFumiyoshi YonezawaTakeharu OshimaSatoru KotohHiroyuki Uramachi
    • G01F168
    • G01F1/6842
    • A flow rate sensor comprises a fluid passage for a fluid to flow therealong; a main body structure arranged so as to turn its front end to the upstream side of the fluid and coaxially positioned within the fluid passage; and a detecting element disposed between the main body structure and the internal surface of the fluid passage. The main body structure is formed such that its cross section perpendicular to its central axis, at first becomes gradually larger from its front end towards its rear end and then becomes gradually smaller. The detecting element includes a ceramic substrate coated with a film made of a thermo-sensitive electrically resistant material. The film is formed into a meander pattern so as to form a flow rate detecting resistance. The detecting element further includes a fluid temperature compensating resistance.
    • 流量传感器包括用于流体流过其的流体通道; 主体结构,其布置成将其前端转动到流体的上游侧并同轴地定位在流体通道内; 以及设置在主体结构和流体通道的内表面之间的检测元件。 主体结构形成为使得其垂直于其中心轴线的截面首先从其前端朝向后端逐渐变大,然后逐渐变小。 检测元件包括涂覆有由热敏电阻材料制成的膜的陶瓷基板。 该膜形成为曲折图案,以形成流量检测电阻。 检测元件还包括流体温度补偿电阻。