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    • 1. 发明授权
    • Methods of manufacturing magnetoresistive random access memory devices
    • 制造磁阻随机存取存储器件的方法
    • US09159767B2
    • 2015-10-13
    • US14182316
    • 2014-02-18
    • Jong-Chul ParkGwang-Hyun BaekHyung-Joon KwonIn-Ho KimChang-Woo Sun
    • Jong-Chul ParkGwang-Hyun BaekHyung-Joon KwonIn-Ho KimChang-Woo Sun
    • H01L43/12H01L27/22
    • H01L27/228G11C11/161H01L43/12
    • In a method of an MRAM device, first and second patterns are formed on a substrate alternately and repeatedly in a second direction. Each first pattern and each second pattern extend in a first direction perpendicular to the second direction. Some of the second patterns are removed to form first openings extending in the first direction. Source lines filling the first openings are formed. A mask is formed on the first and second patterns and the source lines. The mask includes second openings in the first direction, each of which extends in the second direction. Portions of the second patterns exposed by the second openings are removed to form third openings. Third patterns filling the third openings are formed. The second patterns surrounded by the first and third patterns are removed to form fourth openings. Contact plugs filling the fourth openings are formed.
    • 在MRAM器件的方法中,第一和第二图案在第二方向上交替且重复地形成在衬底上。 每个第一图案和每个第二图案沿垂直于第二方向的第一方向延伸。 去除一些第二图案以形成沿第一方向延伸的第一开口。 形成填充第一开口的源极线。 在第一和第二图案和源极线上形成掩模。 掩模包括沿第一方向的第二开口,每个开口沿第二方向延伸。 由第二开口暴露的第二图案的部分被去除以形成第三开口。 形成填充第三开口的第三图案。 由第一图案和第三图案包围的第二图案被去除以形成第四开口。 形成填充第四开口的接触塞。
    • 2. 发明申请
    • METHOD OF MANUFACTURING THE SAME
    • 制造方法
    • US20140273287A1
    • 2014-09-18
    • US14208912
    • 2014-03-13
    • Jong-Chul PARKJae-Hun SEOByong-Jae BAEChang-Woo SUN
    • Jong-Chul PARKJae-Hun SEOByong-Jae BAEChang-Woo SUN
    • H01L43/12
    • H01L43/12G11C11/161H01L27/228
    • A method of manufacturing magnetoresistive random access memory (MRAM) device includes foaming first and second patterns on a substrate in an alternating and repeating arrangement, forming a first capping layer on top surfaces of the first and second patterns, and removing first portions of the first capping layer and a portion of the second patterns thereunder to form first openings exposing the substrate. The method further includes forming source lines filling lower portions of the first openings, respectively, forming second capping layer patterns filling upper portions of the first openings, respectively, and removing second portions of the first capping layer and a portion of the second patterns thereunder to form second openings exposing the substrate. Then, contact plugs and pad layers are integrally formed and sequentially stacked on the substrate to fill the second openings.
    • 一种制造磁阻随机存取存储器(MRAM)器件的方法包括以交替和重复布置在衬底上发泡第一和第二图案,在第一和第二图案的顶表面上形成第一覆盖层,以及去除第一和第二图案的第一部分 盖层和其下的第二图案的一部分以形成暴露基板的第一开口。 所述方法还包括分别形成填充所述第一开口的下部的源极线,分别形成填充所述第一开口的上部的第二封盖层图案,以及移除所述第一封盖层的第二部分及其下面的第二图案的一部分, 形成露出衬底的第二开口。 然后,将接触塞和垫层一体地形成并依次堆叠在基板上以填充第二开口。