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    • 2. 发明授权
    • Method for manufacturing multi-thickness gate dielectric layer of semiconductor device
    • 制造半导体器件多层栅极电介质层的方法
    • US07323420B2
    • 2008-01-29
    • US11652186
    • 2007-01-11
    • Kyung-soo KimYoung-wug KimChang-bong OhHee-sung KangHyuk-ju Ryu
    • Kyung-soo KimYoung-wug KimChang-bong OhHee-sung KangHyuk-ju Ryu
    • H01L21/302
    • H01L29/42368H01L21/28194H01L21/28202H01L21/31116H01L21/31604H01L21/31616H01L21/3185H01L27/11H01L29/513H01L29/517H01L29/518
    • In a method for manufacturing a multi-thickness gate dielectric layer of a semiconductor device, a first dielectric layer is formed on a semiconductor substrate. A second dielectric layer is formed using a different dielectric material from the material constituting the first dielectric layer on the first dielectric layer. A portion of the second dielectric layer is selectively removed so as to selectively expose the first dielectric layer under the second dielectric layer. A portion of the exposed first dielectric layer is selectively removed so as to selectively expose the semiconductor substrate under the exposed first dielectric layer. Thereafter, a third dielectric layer having a thinner thickness than the first dielectric layer is formed on the exposed semiconductor substrate. As a result, a gate dielectric layer is formed to include a thick portion formed of the first dielectric layer and remaining second dielectric layer, a medium-thickness portion formed of the remaining first dielectric layer, and a thin portion formed of the third dielectric layer.
    • 在制造半导体器件的多层栅极电介质层的方法中,在半导体衬底上形成第一介电层。 使用与构成第一电介质层上的第一电介质层的材料不同的电介质材料形成第二电介质层。 选择性地去除第二电介质层的一部分,以选择性地暴露第二介电层下的第一介电层。 选择性地去除暴露的第一介电层的一部分,以便在暴露的第一介电层下选择性地暴露半导体衬底。 此后,在暴露的半导体衬底上形成厚度比第一电介质层薄的第三电介质层。 结果,形成栅极电介质层,包括由第一电介质层和剩余的第二电介质层形成的厚部,由剩余的第一电介质层形成的中等厚度部分和由第三电介质层形成的薄壁部分 。
    • 6. 发明授权
    • Adaptive loop gain control circuit for voltage controlled oscillator
    • 用于压控振荡器的自适应环路增益控制电路
    • US06833766B2
    • 2004-12-21
    • US10410829
    • 2003-04-09
    • Kwi-dong KimJong-kee KwonHee-bum JungKyung-soo Kim
    • Kwi-dong KimJong-kee KwonHee-bum JungKyung-soo Kim
    • H03L700
    • H03L1/00H03L7/0995
    • There is provided an adaptive loop gain control circuit for a voltage-controlled oscillator (VCO). The adaptive loop gain control circuit for a voltage-controlled oscillator (VCO) includes a detected voltage generating unit which generates a detected voltage signal according to changes in an operating voltage and an operating temperature, and a control circuit unit which outputs an oscillation control current signal according to the detected voltage signal and an input control voltage signal. The adaptive loop gain control circuit for a voltage-controlled oscillator (VCO) compensates for an oscillation control current according to changes in operating voltage and temperature and compensates for the gain of a phase locked loop (PLL) system, thereby ensuring high operating stability in the PLL circuit.
    • 提供了一种用于压控振荡器(VCO)的自适应环路增益控制电路。 用于压控振荡器(VCO)的自适应环路增益控制电路包括:检测电压产生单元,其根据工作电压和工作温度的变化产生检测的电压信号;以及控制电路单元,其输出振荡控制电流 信号根据检测到的电压信号和输入控制电压信号。 用于压控振荡器(VCO)的自适应环路增益控制电路根据工作电压和温度的变化补偿振荡控制电流,并补偿锁相环(PLL)系统的增益,从而确保在 PLL电路。
    • 8. 发明授权
    • Methods of forming integrated circuit device gate structures
    • 形成集成电路器件门结构的方法
    • US07550347B2
    • 2009-06-23
    • US11510059
    • 2006-08-25
    • Sam-jong ChoiYong-kwon KimKyoo-chul ChoKyung-soo KimJae-ryong JungTae-soo KangSang-Sig Kim
    • Sam-jong ChoiYong-kwon KimKyoo-chul ChoKyung-soo KimJae-ryong JungTae-soo KangSang-Sig Kim
    • H01L21/00
    • H01L21/28282B82Y10/00H01L29/42324H01L29/42332H01L29/792H01L29/7923
    • Methods of forming a gate structure for an integrated circuit memory device include forming a first dielectric layer having a dielectric constant of under 7 on an integrated circuit substrate. Ions of a selected element from group 4 of the periodic table and having a thermal diffusivity of less than about 0.5 centimeters per second (cm2/s) are injected into the first dielectric layer to form a charge storing region in the first dielectric layer with a tunnel dielectric layer under the charge storing region. A metal oxide second dielectric layer is formed on the first dielectric layer, the second dielectric layer. The substrate including the first and second dielectric layers is thermally treated to form a plurality of discrete charge storing nano crystals in the charge storing region and a gate electrode layer is formed on the second dielectric layer. Gate structures for integrated circuit devices and memory cells are also provided.
    • 形成用于集成电路存储器件的栅极结构的方法包括在集成电路衬底上形成具有低于7的介电常数的第一介电层。 将元素周期表第4组的选定元素的离子注入到第一电介质层中,以在第一电介质层中形成具有小于约0.5厘米每秒(cm 2 / s)的热扩散率的离子,从而在第一电介质层中形成电荷存储区, 在电荷存储区域下的隧道介电层。 金属氧化物第二电介质层形成在第一电介质层,第二电介质层上。 包括第一和第二电介质层的衬底被热处理以在电荷存储区域中形成多个离散的电荷存储纳米晶体,并且在第二电介质层上形成栅极电极层。 还提供用于集成电路器件和存储单元的栅极结构。
    • 10. 发明授权
    • Apparatus for searching multipath in spread spectrum communications system and method thereof
    • 用于在扩频通信系统中搜索多路径的装置及其方法
    • US07194018B2
    • 2007-03-20
    • US10211416
    • 2002-08-01
    • Kyung-tae HanIk-soo EoHae-bum JungKyung-soo Kim
    • Kyung-tae HanIk-soo EoHae-bum JungKyung-soo Kim
    • H04B1/69
    • H04B1/7113H04B1/7117
    • A multipath searching device includes a radio front-end for converting a received radio signal into a baseband signal and for outputting the baseband signal. A profile calculating unit is included for calculating and outputting the multipath profile of the baseband signal. A first detector determines whether or not the radio signal traveled along a multipath is having a short-delay path by comparing the peak value of the multipath profile with a profile value of a predetermined position time interval before or after the peak of the multipath profile. A path selector receives the multipath profile and the detection result of the first detector, generates time delay information for each path, and separates many paths along which the radio signal traveled. A receiving unit receives the time delay information of the paths, despreads the baseband signal, and combines despread signals.
    • 多路径搜索装置包括用于将接收的无线电信号转换为基带信号并用于输出基带信号的无线电前端。 包括用于计算和输出基带信号的多径分布的简档计算单元。 第一检测器通过将多径分布的峰值与多径分布的峰值之前或之后的预定位置时间间隔的轮廓值进行比较来确定沿着多路径行进的无线电信号是否具有短延迟路径。 路径选择器接收多路径分布和第一检测器的检测结果,为每个路径生成时间延迟信息,并分离出无线电信号行进的许多路径。 接收单元接收路径的时间延迟信息,解扩基带信号,并组合解扩信号。