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    • 3. 发明申请
    • METHOD AND SYSTEM FOR MULTIPLEXER WAVEGUIDE COUPLING
    • 多波束波形耦合的方法与系统
    • WO2008122607A1
    • 2008-10-16
    • PCT/EP2008/054091
    • 2008-04-04
    • INTERUNIVERSITAIR MICROELEKTRONICA CENTRUM (IMEC)UNIVERSITEIT GENTGENEXIS BVROELKENS, GüntherVAN THOURHOUT, DriesBAETS, RoelVAN DEN HOVEN, Gerard, Nicolaas
    • ROELKENS, GüntherVAN THOURHOUT, DriesBAETS, RoelVAN DEN HOVEN, Gerard, Nicolaas
    • G02B6/124G02B6/126G02B6/30G02B6/34H04B10/24
    • G02B6/29317G02B6/12007G02B6/126G02B6/30G02B6/34G02B6/4213G02B6/4215
    • An optical device for optically multiplexing or demultiplexing light of different predetermined wavelengths is provided, the optical device comprising at least one first waveguide (11) and at least one second waveguide (12) formed on a substrate (10), wherein the at least one first waveguide and the at least one second waveguide intersect at an intersection, comprising a diffraction grating structure (13) formed at the intersection. There exists a first wavelength or wavelength band travelling within the first waveguide (11) exciting the grating structure and being diffracted an angle corresponding to an outcoupling direction and there exists a second wavelength or wavelength band, different from the first wavelength or wavelength band, travelling within the second waveguide (12) exciting the grating structure and being diffracted at an angle corresponding to the same outcoupling direction. The two radiation beams comprising radiation of two different wavelengths or wavelength bands are spatially separated into the optical waveguides (11 and 12) or combined into single outcoupling direction, e.g. into a single optical element, e.g. a single optical fiber (21). An optical device may be used in local access communications such as fiber to the home, office or curb applications.
    • 提供了用于光学地多路复用或解复用不同预定波长的光的光学装置,该光学装置包括至少一个第一波导(11)和形成在基底(10)上的至少一个第二波导(12),其中至少一个 第一波导和所述至少一个第二波导在交叉点处相交,包括在交叉点处形成的衍射光栅结构(13)。 存在在第一波导(11)内行进的第一波长或波长带,激发光栅结构并衍射出与耦合方向相对应的角度,并且存在不同于第一波长或波长带的第二波长或波长带, 在第二波导(12)内激发光栅结构并以对应于相同的外耦合方向的角衍射。 包括两个不同波长或波长带的辐射的两个辐射束在空间上分离成光波导(11和12)或组合成单个外耦合方向,例如。 进入单个光学元件,例如 单个光纤(21)。 光学设备可以用于本地接入通信,例如光纤到家庭,办公室或路边应用。
    • 8. 发明申请
    • METHOD FOR MANUFACTURING A MICROMACHINED DEVICE
    • 制造微机械装置的方法
    • WO2008053008A2
    • 2008-05-08
    • PCT/EP2007/061731
    • 2007-10-31
    • INTERUNIVERSITAIR MICROELEKTRONICA CENTRUM (IMEC)ASML NETHERLANDS BVWITVROUW, AnnHASPESLAGH, Luc
    • WITVROUW, AnnHASPESLAGH, Luc
    • B81C1/00
    • H01L21/324B81C1/00246B81C2203/0735Y10T428/24612
    • The present invention provides a method for manufacturing micromachined devices on a substrate (10) comprising electrical circuitry, the micromachined devices comprising at least one micromachined structure, without affecting the underlying electrical circuitry. The method comprises providing a protection layer (15) on the substrate (10); providing on the protection layer (15) a plurality of patterned layers for forming the at least one micromachined structure, the plurality of patterned layers comprising at least one sacrificial layer (18); and thereafter removing at least a portion of the sacrificial layer (18) to release the at least one micromachined structure. The method furthermore comprises, before providing the protection layer (15), annealing the substrate (10) at a temperature higher than a highest temperature used during manufacturing of the micromachined device, annealing being for preventing gas formation underneath the protection layer (15) during subsequent manufacturing steps. The present invention also provides a micromachined device obtained by the method according to embodiments of the present invention.
    • 本发明提供了一种用于在包括电路的基板(10)上制造微机械装置的方法,所述微机械装置包括至少一个微机械结构,而不影响下面的电路。 该方法包括在衬底(10)上提供保护层(15); 在所述保护层(15)上提供用于形成所述至少一个微机械结构的多个图案化的层,所述多个图案化的层包括至少一个牺牲层(18); 之后去除牺牲层(18)的至少一部分以释放至少一个微机械结构。 在提供保护层(15)之前,该方法还包括在高于在制造微机械装置期间使用的最高温度的温度下退火衬底(10),退火是为了防止在保护层(15)下方在保护层 后续制造步骤。 本发明还提供了通过根据本发明的实施例的方法获得的微机械装置。
    • 10. 发明申请
    • DEVICE AND METHOD FOR CALIBRATING MIMO SYSTEMS
    • 用于校准MIMO系统的设备和方法
    • WO2007062491A1
    • 2007-06-07
    • PCT/BE2006/000127
    • 2006-11-28
    • INTERUNIVERSITAIR MICROELEKTRONICA CENTRUM (IMEC)LIU, JianVANDERSTEEN, Gerd
    • LIU, JianVANDERSTEEN, Gerd
    • H04B17/00H01Q3/26
    • H01Q3/267H04B17/20
    • The present invention relates to a calibration circuit comprising - at least a first (11) and a second (12) input/output port, each arranged for being connected to a different transmitter/receiver pair of a MIMO system, - at least a third (13) and a fourth (14) input/output port, each arranged for being connected to a different antenna, characterised in that it further comprises - an attenuator having a first attenuator port (21) and a second attenuator port (22), and - a first (S3) and a second (S4) non-reciprocal switch, whereby the first switch (S3) is arranged for establishing a connection between the first (11) input/output port and either the third (13) input/output port or the first attenuator port (21), and the second switch (S4) is arranged for establishing a connection between the second (12) input/output port and either the fourth (14) input/output port or the second attenuator port (22).
    • 本发明涉及一种校准电路,其包括 - 至少第一(11)和第二(12)输入/输出端口,每个端口被设置为连接到MIMO系统的不同发射机/接收机对, - 至少第三 (13)和第四(14)输入/输出端口,每个端口被布置成连接到不同的天线,其特征在于还包括具有第一衰减器端口(21)和第二衰减器端口(22)的衰减器, 以及 - 第一(S3)和第二(S4)不可逆开关,由此第一开关(S3)被布置成用于建立第一(11)输入/输出端口和第三输入/ 输出端口或第一衰减器端口(21),并且第二开关(S4)被布置成用于建立第二输入/输出端口与第四输入端口或第二衰减器端口之间的连接 (22)。