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    • 2. 发明公开
    • 평면내 MEMS 열적 액튜에이터 및, 관련 제조 방법
    • MEMS热致动器,MEMS热致动器系统和MEMS热致动器的制造方法
    • KR1020010050447A
    • 2001-06-15
    • KR1020000054010
    • 2000-09-14
    • 제이디에스 유니페즈 코오포레이션
    • 둘러비자야쿠마르알.힐에드워드코웬알렌
    • B81C1/00
    • F16K99/0001B81B3/0024B81B2201/031F03G7/06F15C5/00F16K99/0007F16K99/0036F16K99/0042F16K2099/0074F16K2099/008H01H1/0036H01H37/32H01H2037/008Y10S310/06
    • PURPOSE: To provide a MEMS thermal actuator. CONSTITUTION: On a microelectronic board 14 a synthetic beam 12 in the form of cantilever is provided extending along the surface of the board, and the base end of the synthetic beam 12 is attached to the board 14 through an anchor part. The anchor part is composed of a first 18 and a second anchor portion 20 with a cavity 36 interposed, and on them 18 and 20, contacting parts 32 and 34 are formed in such a way as mating with them. The synthetic beam 12 has a dual layer structure directed vertically consisting of a first layer 28 and a second layer, wherein the first layer 28 is made of silicon and the second layer 30 made of metal. The demarcated region of the silicon material in the first layer 28 is subjected to doping so that a conducting path having an electric resistance is formed. From the first contacting part 32, current is fed via a route following the electric resistance passage in the first layer 28, the second layer 30, and the second contacting part 34. Thereby the electric resistance passage in the first layer 28 emits heat, and the beam 12 is put in bending displacement parallel with the surface of the board 14 owing to the difference in the coefficient of thermal expansion between the first layer 28 and second layer 30, and a thermal working force is generated.
    • 目的:提供MEMS热致动器。 构成:在微电子板14上,沿着板的表面设置悬臂形式的合成梁12,并且合成梁12的基端通过锚固部附接到板14。 锚定部分由插入空腔36的第一和第二锚固部分20组成,并且在它们之间的接合部分32和34以与它们相配合的方式形成。 合成光束12具有由第一层28和第二层垂直定向的双层结构,其中第一层28由硅制成,第二层30由金属制成。 对第一层28中的硅材料的分界区进行掺杂,形成具有电阻的导电路径。 从第一接触部32通过第一层28,第二层30和第二接触部34中的电阻通路之后的路径供给电流。由此,第一层28中的电阻通路发热, 由于第一层28和第二层30之间的热膨胀系数的差异,梁12被放置成与板14的表面平行的弯曲位移,并且产生热作用力。