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    • 10. 发明公开
    • 에칭 방법 및 에칭 장치
    • 蚀刻方法和蚀刻装置
    • KR1020130086177A
    • 2013-07-31
    • KR1020130006800
    • 2013-01-22
    • 도쿄엘렉트론가부시키가이샤
    • 니시무라에이치코츠기타다시야마시타후미코
    • H01L21/3065
    • H01L21/67069B82Y10/00B82Y40/00G03F7/0002H01J37/32009H01J37/32091H01J37/32155H01J37/32706H01J2237/3343H01J2237/3348H01L21/0271H01L21/0332H01L21/0337H01L21/3065H01L21/31138
    • PURPOSE: An etching method and an etching apparatus are provided to be able to rationalize the etching condition of a periodical pattern formed by the self-organization of block copolymer. CONSTITUTION: A high frequency power is lower than the ion energy distribution generating an etching yield of a first polymer, sets frequency so that the ion energy is highly spread in the range higher than the ion energy distribution generating an etching yield of a second polymer, and supplies a high frequency power to a process chamber (10). A gas source (60) supplies gas to the process chamber. A control unit (88) produces plasma from the gas introduced into the process room by the high frequency power, and controls the periodic pattern on a subject held on a holding support by using the generated plasma. [Reference numerals] (60) Processing gas supply source; (68,40,42) Matching unit; (76) Exhaust device; (83) DC controller; (86) Filter circuit; (88) Control unit
    • 目的:提供一种蚀刻方法和蚀刻装置,以使得通过嵌段共聚物的自组织形成的周期性图案的蚀刻条件合理化。 构成:高频功率低于产生第一聚合物的蚀刻产率的离子能量分布,设定频率使得离子能量在高于产生第二聚合物的蚀刻产率的离子能量分布的范围内高度扩散, 并向处理室(10)提供高频功率。 气体源(60)向处理室供应气体。 控制单元(88)通过高频功率从引入到处理室的气体产生等离子体,并且通过使用产生的等离子体来控制保持在保持支架上的被检体上的周期性图案。 (附图标记)(60)加工气体供给源; (68,40,42)配套单位; (76)排气装置; (83)直流控制器; (86)滤波电路; (88)控制单元