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    • 8. 发明申请
    • LASER MICROMACHINING OPTICAL ELEMENTS IN A SUBSTRATE
    • 激光微基片中的光学元件
    • WO2013048781A3
    • 2013-05-23
    • PCT/US2012055393
    • 2012-09-14
    • RAMBUS INCMCCOLLUM TIMOTHY AHIDE FUMITOMOHARDCASTLE IAN
    • MCCOLLUM TIMOTHY AHIDE FUMITOMOHARDCASTLE IAN
    • G02B6/00F21V8/00G02F1/13357
    • B23K26/0066B23K26/361B23K26/362G02B6/0001G02B6/0065Y10T428/24802
    • Optical elements with small increments in average density are formed in a substrate by laser micromachining using a variable aperture and a pattern mask set of pattern masks each having of shape-defining elements whose density differs among the pattern masks in first density increments. A laser light beam passes through a combined mask formed by the variable aperture and one pattern mask selected from the pattern mask set. The variable aperture controls beam size and the pattern mask spatially modulates its intensity. A focusing element focuses light from the combined mask on a small averaging region of the substrate. Different combinations of the size of the aperture mask and the selected pattern mask are used in combination at respective averaging regions of the substrate. The resulting average densities of the optical elements vary among the averaging regions in increments that are small compared to the first density increments.
    • 平均密度增量小的光学元件通过使用可变光圈的激光微加工和图案掩模组的图案掩模形成在衬底中,每个图案掩模具有形状限定元件,其密度在第一密度增量中在图案掩模中不同。 激光束穿过由可变光圈和从图案掩模组中选择的一个图案掩模形成的组合掩模。 可变光圈控制光束大小,图案掩模在空间上调制其强度。 聚焦元件将来自组合掩模的光聚焦在衬底的小平均区域上。 开口掩模和所选图案掩模的尺寸的不同组合被用于在衬底的各个平均区域中的组合。 所得到的光学元件的平均密度在平均区域之间以与第一密度增量相比较小的增量变化。
    • 9. 发明申请
    • ACOUSTIC GALVANIC ISOLATOR
    • 高音气球隔离器
    • WO2007047700A3
    • 2007-12-06
    • PCT/US2006040601
    • 2006-10-17
    • AGILENT TECHNOLOGIES INCLARSON III JOHN DHARDCASTLE IAN
    • LARSON III JOHN DHARDCASTLE IAN
    • H03H9/54
    • H03H9/132H03H9/584H03H9/587H03H9/605
    • Embodiments of the acoustic galvanic isolator (10) comprise a carrier signal source (12), a modulator (14) connected to receive an information signal (Si) and the carrier signal (Sc), a demodulator (18), and an electrically-isolating acoustic coupler (16) connected between the modulator (14) and the demodulator (18). In an exemplary embodiment, the electrically-isolating acoustic coupler (16) comprises film bulk acoustic resonators (FBARs). An electrically-isolating acoustic coupler is physically small and is inexpensive to fabricate yet is capable of passing information signals having data rates in excess of 100 Mbit/s and has a substantial breakdown voltage between its inputs and its outputs.
    • 声学电流隔离器(10)的实施例包括载波信号源(12),连接以接收信息信号(Si)和载波信号(Sc)的调制器(14),解调器(18) 隔离连接在调制器(14)和解调器(18)之间的声耦合器(16)。 在示例性实施例中,电隔离声耦合器(16)包括膜体声波谐振器(FBAR)。 电隔离声耦合器物理上小,制造成本低,但能够传递数据速率超过100Mbit / s的信号信号,并且在其输入和其输出之间具有实质的击穿电压。