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    • 2. 发明申请
    • Device of pulse width modulation type for load drive
    • 用于负载驱动的脉宽调制型装置
    • US20080088271A1
    • 2008-04-17
    • US11907340
    • 2007-10-11
    • Akihisa UenoFumihisa WatanabeDaijiro Arisawa
    • Akihisa UenoFumihisa WatanabeDaijiro Arisawa
    • H02P23/00
    • H02M7/5395H02M7/487
    • A device of pulse width modulation type for load drive according to the present invention includes a first output unit (3) that applies a first output signal (e) to a load (5) in response to a first drive timing signal (c), a second output unit (4) that applies a second output signal (f) to the load (5) in response to a second drive timing signal (d), a signal converter (1) that converts a drive input signal (a) into a parallel signal (b), the drive input signal indicating time information allowing a potential difference to be generated across the load (5), and a drive timing generator (2) that generates the first and second drive timing signals (c, d) in response to the parallel signal (b), the load (5) being driven by increasing and reducing pulse widths of the first and second output signals (e, f).
    • 根据本发明的用于负载驱动的脉宽调制型装置包括响应于第一驱动定时信号(c)将第一输出信号(e)施加到负载(5)的第一输出单元(3) 响应于第二驱动定时信号(d)将负载(5)施加第二输出信号(f)的第二输出单元(4),将驱动输入信号(a)转换成 并行信号(b),指示允许在所述负载(5)之间产生电位差的时间信息的所述驱动输入信号;以及产生所述第一和第二驱动定时信号(c,d)的驱动定时发生器(2) 响应于并行信号(b),通过增加和减少第一和第二输出信号(e,f)的脉冲宽度来驱动负载(5)。
    • 3. 发明授权
    • Process for planarization of metal-filled trenches of integrated circuit structures by forming a layer of planarizable material over the metal layer prior to planarizing
    • 在平坦化之前通过在金属层上形成可平面化材料层来平坦化集成电路结构的金属填充沟槽的方法
    • US06417093B1
    • 2002-07-09
    • US09703745
    • 2000-10-31
    • James J. XieRonald J. NagaharaJayanthi PallintiAkihisa Ueno
    • James J. XieRonald J. NagaharaJayanthi PallintiAkihisa Ueno
    • H01L214763
    • H01L21/3212H01L21/7684
    • A process for forming an integrated circuit structure wherein trenches and/or vias are formed in a predetermined pattern in a dielectric layer, lined with a barrier layer of a first electrically conductive material, and then filled with a second electrically conductive material, and the structure is then planarized to remove the first and second electrically conductive material from the upper surface of the dielectric layer, wherein the improvements comprise: a) before the planarizing step, forming over the second electrically conductive material a layer of a planarizable material capable of being planarized at about the same rate as the first electrically conductive material; and b) then planarizing the structure to remove: i) the planarizable material; ii) the second electrically conductive material; and iii) the first electrically conductive material; above the upper surface of the dielectric material; whereby the planarizable material above the second electrically conductive material in the trenches protects the second electrically conductive material while the first electrically conductive material is being removed from the upper surface of the dielectric layer by the planarizing step to prevent erosion of the upper surface of the second electrically conductive layer.
    • 一种用于形成集成电路结构的方法,其中沟槽和/或通孔以介电层形成为预定图案,衬有第一导电材料的阻挡层,然后填充有第二导电材料,并且结构 然后被平坦化以从电介质层的上表面去除第一和第二导电材料,其中改进包括:a)在平坦化步骤之前,在第二导电材料上形成能够被平坦化的可平面化材料层 以与第一导电材料大致相同的速率; 然后平面化结构以移除:i)可平面化材料; ii)第二导电材料; 和ii)第一导电材料;在电介质材料的上表面之上;由此沟槽中的第二导电材料上方的可平面化材料保护第二导电材料,同时第一导电材料从第二导电材料的上表面 所述介电层通过所述平坦化步骤来防止所述第二导电层的上表面的侵蚀。
    • 4. 发明授权
    • Device of pulse width modulation type for load drive
    • 用于负载驱动的脉宽调制型装置
    • US07656113B2
    • 2010-02-02
    • US11907340
    • 2007-10-11
    • Akihisa UenoFumihisa WatanabeDaijiro Arisawa
    • Akihisa UenoFumihisa WatanabeDaijiro Arisawa
    • H02P7/29G05B11/28H03K7/00
    • H02M7/5395H02M7/487
    • A device of pulse width modulation type for load drive according to the present invention includes a first output unit (3) that applies a first output signal (e) to a load (5) in response to a first drive timing signal (c), a second output unit (4) that applies a second output signal (f) to the load (5) in response to a second drive timing signal (d), a signal converter (1) that converts a drive input signal (a) into a parallel signal (b), the drive input signal indicating time information allowing a potential difference to be generated across the load (5), and a drive timing generator (2) that generates the first and second drive timing signals (c, d) in response to the parallel signal (b), the load (5) being driven by increasing and reducing pulse widths of the first and second output signals (e, f).
    • 根据本发明的用于负载驱动的脉宽调制型装置包括响应于第一驱动定时信号(c)将第一输出信号(e)施加到负载(5)的第一输出单元(3) 响应于第二驱动定时信号(d)将负载(5)施加第二输出信号(f)的第二输出单元(4),将驱动输入信号(a)转换成 并行信号(b),指示允许在所述负载(5)之间产生电位差的时间信息的所述驱动输入信号;以及产生所述第一和第二驱动定时信号(c,d)的驱动定时发生器(2) 响应于并行信号(b),通过增加和减少第一和第二输出信号(e,f)的脉冲宽度来驱动负载(5)。