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    • 3. 发明公开
    • 미소 구동기 제조방법
    • 制造微尺寸驱动装置的方法
    • KR1020030077791A
    • 2003-10-04
    • KR1020020016681
    • 2002-03-27
    • 한국과학기술원
    • 이춘섭이재덕황치호한철희
    • B81B7/00
    • B81C1/00015B81B7/02B81B2201/03B81B2201/031B81B2203/0136B81C1/00349B81C1/00388B81C1/00555
    • PURPOSE: A method for fabricating a micro-sized driving device is provided to drive the micro-sized driving device with low operating voltage by allowing electrodes having a comb shape to have fine interval. CONSTITUTION: A substrate is firstly prepared. Then, a first oxide layer, a first silicon layer, a second oxide layer, a nitride layer and a third oxide layer are sequentially deposited on the substrate. A first electrode pattern is formed on the third oxide layer by using a photosensitive film. The third oxide layer, the nitride layer, the second oxide layer and the first silicon layer are etched along the first electrode pattern in order to expose the first oxide layer, thereby obtaining a first electrode having a plurality of fingers. An oxide layer is formed at a lateral portion of the first electrode. Then, a second electrode is formed by etching a fourth oxide layer and a second silicon layer formed on the second silicon layer. After that, the first oxide layer, the second oxide layer, the lateral oxide layer, the fourth oxide layer and the nitride layer are removed, thereby achieving a micro-sized driving device.
    • 目的:提供一种制造微型驱动装置的方法,通过允许具有梳形形状的电极具有精细的间隔来驱动具有低工作电压的微型驱动装置。 构成:首先制备底物。 然后,在衬底上依次沉积第一氧化物层,第一硅层,第二氧化物层,氮化物层和第三氧化物层。 通过使用感光膜在第三氧化物层上形成第一电极图案。 沿着第一电极图案蚀刻第三氧化物层,氮化物层,第二氧化物层和第一硅层,以暴露第一氧化物层,从而获得具有多个指状物的第一电极。 在第一电极的侧部形成氧化物层。 然后,通过蚀刻形成在第二硅层上的第四氧化物层和第二硅层来形成第二电极。 之后,去除第一氧化物层,第二氧化物层,横向氧化物层,第四氧化物层和氮化物层,从而实现微型驱动装置。