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    • 93. 发明授权
    • Method for fabricating MOS transistors
    • 制造MOS晶体管的方法
    • US07803702B2
    • 2010-09-28
    • US12189203
    • 2008-08-11
    • Kuo-Chih LaiYi-Wei ChenNien-Ting HoTeng-Chun Tsai
    • Kuo-Chih LaiYi-Wei ChenNien-Ting HoTeng-Chun Tsai
    • H01L21/28
    • H01L21/28518H01L29/165H01L29/6659H01L29/66636
    • A method for fabricating metal-oxide transistors is disclosed. First, a semiconductor substrate having a gate structure is provided, in which the gate structure includes a gate dielectric layer and a gate. A source/drain region is formed in the semiconductor substrate, and a cleaning step is performed to fully remove native oxides from the surface of the semiconductor substrate. An oxidation process is conducted to form an oxide layer on the semiconductor substrate and the oxide layer is then treated with fluorine-containing plasma to form a fluorine-containing layer on the surface of the semiconductor substrate. A metal layer is deposited on the semiconductor substrate thereafter and a thermal treatment is performed to transform the metal layer into a silicide layer.
    • 公开了一种用于制造金属氧化物晶体管的方法。 首先,提供具有栅极结构的半导体衬底,其中栅极结构包括栅极介电层和栅极。 在半导体衬底中形成源极/漏极区域,并且执行清洁步骤以从半导体衬底的表面中完全去除天然氧化物。 进行氧化处理以在半导体衬底上形成氧化物层,然后用含氟等离子体处理氧化物层,以在半导体衬底的表面上形成含氟层。 此后,在半导体衬底上沉积金属层,并进行热处理以将金属层转变成硅化物层。
    • 97. 发明申请
    • METHOD FOR MANUFACTURING SHALLOW TRENCH ISOLATION STRUCTURE
    • 制造浅层隔离结构的方法
    • US20080305610A1
    • 2008-12-11
    • US12190572
    • 2008-08-12
    • Yen-Chu ChenHsin-Kun ChuTeng-Chun TsaiChia-Hsi Chen
    • Yen-Chu ChenHsin-Kun ChuTeng-Chun TsaiChia-Hsi Chen
    • H01L21/76
    • H01L21/31053
    • A method of forming a shallow trench isolation structure includes steps of providing a substrate having a patterned mask layer formed thereon, wherein a trench is located in the substrate and the patterned mask layer exposes the trench. Thereafter, a dielectric layer is formed over the substrate to fill the trench. Then, a main polishing process with a first polishing rate is performed to remove a portion of the dielectric layer. An assisted polishing process is performed to remove the dielectric layer and a portion of the mask layer. The assisted polishing process includes steps of providing a slurry in a first period of time and then providing a solvent and performing a polishing motion of a second polishing rate in a second period of time. The second polishing rate is slower than the first polishing rate. Further, the mask layer is removed.
    • 形成浅沟槽隔离结构的方法包括提供其上形成有图案化掩模层的衬底的步骤,其中沟槽位于衬底中,并且图案化掩模层暴露沟槽。 此后,在衬底上形成电介质层以填充沟槽。 然后,执行具有第一抛光速率的主抛光工艺以去除电介质层的一部分。 执行辅助抛光处理以去除介电层和掩模层的一部分。 辅助抛光方法包括以下步骤:在第一时间段内提供浆料,然后提供溶剂并在第二时间段内执行第二抛光速率的抛光运动。 第二抛光速率比第一抛光速度慢。 此外,去除掩模层。