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    • 2. 发明专利
    • Injection for enhancing performance of selected transistor in integrated circuit
    • 注意增强集成电路中选择的晶体管的性能
    • JP2013046061A
    • 2013-03-04
    • JP2012169552
    • 2012-07-31
    • Freescale Semiconductor Incフリースケール セミコンダクター インコーポレイテッド
    • MEHUL D SHROFFWILLIAM F JOHNSTONECHAD E WEINTRAUB
    • H01L21/8234H01L27/088
    • H01L27/088H01L21/823412H01L21/823493H01L27/0207
    • PROBLEM TO BE SOLVED: To alter the characteristics of a transistor to more desirable characteristics, without replacing all or some mask sets.SOLUTION: A well for forming multiple transistors is formed by performing first injection on a substrate. Each transistor in first subset out of the multiple transistors thus formed has a width satisfying a predetermined width limitation, and each transistor in second subset has a width not satisfying a predetermined width limitation. Second injection is performed not in a region of a well where the transistors of second subset are formed, but in a region of a well where the transistors of first subset are formed. Transistors are formed, and the channel region of each transistor of first subset is formed in a part of a substrate received the second injection, whereas the channel region of each transistor of second subset is formed in a part of a substrate not received the second injection.
    • 要解决的问题:为了将晶体管的特性改为更理想的特性,而不需要更换所有或一些掩模组。 解决方案:通过在衬底上执行第一次注入来形成用于形成多个晶体管的阱。 如此形成的多个晶体管中的第一子集中的每个晶体管具有满足预定宽度限制的宽度,并且第二子集中的每个晶体管具有不满足预定宽度限制的宽度。 不是在形成第二子集的晶体管的阱的区域中,而是在形成第一子集的晶体管的阱的区域中进行第二次注入。 形成晶体管,并且第一子集的每个晶体管的沟道区形成在接收第二注入的衬底的一部分中,而第二子集的每个晶体管的沟道区形成在未接收第二注入的衬底的一部分中 。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Process for integration using thermal oxide select gate dielectric for select gate and partial replacement gate for logic
    • 使用热氧选择栅电介质进行选择栅的集成处理和部分逻辑替换门
    • JP2014175666A
    • 2014-09-22
    • JP2014045274
    • 2014-03-07
    • Freescale Semiconductor Incフリースケール セミコンダクター インコーポレイテッド
    • HALL MARK DMEHUL D SHROFFFRANK K BAKER JR
    • H01L27/115H01L21/336H01L21/8247H01L27/10H01L29/788H01L29/792
    • H01L29/66545H01L27/11534H01L29/66825
    • PROBLEM TO BE SOLVED: To provide a method of making a logic transistor in a logic region and a non-volatile memory cell in a non-volatile memory region of the same substrate.SOLUTION: A thermally-grown oxygen-containing layer is formed over a control gate in a non-volatile memory region, and a high-k gate dielectric layer and barrier layer are formed in a logic region. A polysilicon layer is formed over the oxygen-containing layer and barrier layer and is planarized. A first masking layer is formed over the polysilicon layer and control gate defining a select gate location adjacent to the control gate. A second masking layer is formed defining a logic gate location. Exposed portions of the polysilicon layer are removed such that a select gate remains at the select gate location and a polysilicon portion remains at the logic gate location. A dielectric layer is formed around the select and control gates and polysilicon portion. The polysilicon portion is removed to result in an opening at the logic gate location which exposes the barrier layer.
    • 要解决的问题:提供在同一衬底的非易失性存储器区域中的逻辑区域和非易失性存储器单元中制造逻辑晶体管的方法。解决方案:将热生长的含氧层形成在 在非易失性存储区域中的控制栅极和高k栅极电介质层和阻挡层形成在逻辑区域中。 在含氧层和阻挡层上方形成多晶硅层并进行平坦化。 第一掩模层形成在多晶硅层上,控制栅极限定与控制栅极相邻的选择栅极位置。 形成定义逻辑门位置的第二掩蔽层。 去除多晶硅层的暴露部分,使得选择栅极保留在选择栅极位置处,并且多晶硅部分保持在逻辑门位置。 在选择和控制栅极和多晶硅部分周围形成介电层。 去除多晶硅部分以在逻辑门位置处产生暴露阻挡层的开口。