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    • 21. 发明授权
    • Method and apparatus for determining the robustness of memory cells to alpha-particle/cosmic ray induced soft errors
    • 用于确定存储器细胞对α粒子/宇宙射线引起的软错误的鲁棒性的方法和装置
    • US06348356B1
    • 2002-02-19
    • US09664636
    • 2000-09-19
    • Sunil Narayan ShabdeRichard C. Blish, IIDonald L. Wollesen
    • Sunil Narayan ShabdeRichard C. Blish, IIDonald L. Wollesen
    • G01R3126
    • G11C29/028G11C11/401G11C11/41G11C29/50G11C2029/5002G11C2029/5006
    • Method for determining the robustness of a device to soft errors generated by alpha-particle and/or cosmic ray strikes. In one embodiment, the method includes the steps of estimating energies of the alpha-particle and/or cosmic ray strikes; computing a number of electron-hole pairs generated for a predetermined distance of travel by the alpha-particle and/or cosmic ray into the device based on the estimated energies; computing the absorption coefficient in silicon for a light pulse with a predetermined wavelength; computing a first pulse width/intensity for the light pulse to generate the number of electron-hole pairs for the predetermined distance of travel by the light pulse into the device; producing the light pulse, the light pulse having a light pulse energy which is controlled by a pulse width and an intensity, wherein the pulse width/intensity is at a second pulse width/intensity which is less than the first pulse width/intensity and the light pulse energy is at a first light pulse energy which is low enough to avoid generating soft errors in the device; applying the light pulse to the device at a predetermined location; varying the light pulse energy to a second light pulse energy to generate a soft error; and detecting soft errors in the device. The present invention additionally provides an inexpensive method that would accurately simulate an alpha-particle and/or cosmic ray strike in predetermined areas of a memory cell.
    • 用于确定器件对由α粒子和/或宇宙射线撞击产生的软误差的鲁棒性的方法。 在一个实施例中,该方法包括估计α粒子和/或宇宙射线撞击的能量的步骤; 基于所估计的能量,将通过α粒子和/或宇宙射线产生的预定距离的电子 - 空穴对计算到所述装置中; 计算具有预定波长的光脉冲的硅中的吸收系数; 计算所述光脉冲的第一脉冲宽度/强度,以通过所述光脉冲将所述预定距离的电子 - 空穴对的数量产生到所述装置中; 产生光脉冲,该光脉冲具有由脉冲宽度和强度控制的光脉冲能量,其中脉冲宽度/强度处于小于第一脉冲宽度/强度的第二脉冲宽度/强度,并且 光脉冲能量处于第一光脉冲能量,其足够低以避免在装置中产生软误差; 在预定位置将光脉冲施加到设备; 将光脉冲能量改变为第二光脉冲能量以产生软误差; 并检测设备中的软错误。 本发明另外提供了一种廉价的方法,其可以精确地模拟存储器单元的预定区域中的α粒子和/或宇宙射线的撞击。
    • 23. 发明授权
    • Distributed voltage converter apparatus and method for high power
microprocessor with array connections
    • 具有阵列连接的大功率微处理器的分布式电压转换装置和方法
    • US5914873A
    • 1999-06-22
    • US885677
    • 1997-06-30
    • Richard C. Blish, II
    • Richard C. Blish, II
    • G06F1/26H02M1/14
    • G06F1/26
    • The present invention provides a relief to the low voltage, high current spiral trend being seen in the microprocessor industry. A microprocessor module is designed to receive a voltage V2, which is substantially higher than a logic gate utilization voltage V3. V2 is supplied at a current rating of I2 to a plurality of within-module voltage converters, designated as 220a, 220n, which directly distribute voltage V3 and the appropriate current portion I3 to the respective logic gates 210. Preferably, voltage V2 is substantially greater in magnitude than voltage V3, typically V2:V3 being at least 5:1 but preferably 40:1 to as much as 100:1. By example, V2=50 vdc, 12=3 amps and V3=1.0 vdc would satisfy the ratio considerations. The microprocessor loads serviced by the present invention constitute millions of logic gates requiring low voltages ranging from 0.75 Vdc to 1.5 Vdc. Other microprocessor loads, such as cache, can be powered with flip chip technology using the technique of the present invention. A selected number of microprocessor logic gates, designated as numeral 210, are powered through electrical interconnections 205 (bumps), from respective voltage converters 220a . . . 220n. Each voltage converter includes power conversion components, namely a pre-regulator pulse width modulator controller circuit 223, a thin film transformer 221, and output voltage regulator circuit 222 embedded in deep wells of substrate 230.
    • 本发明提供了在微处理器行业中看到的低电压,大电流螺旋趋势的解决方案。 微处理器模块设计成接收电压V2,其大大高于逻辑门利用电压V3。 V2以电流额定值I2提供给多个模块内电压转换器,称为220a,220n,它们将电压V3和适当的电流部分I3直接分配到相应的逻辑门210。优选地,电压V2大大地 在电压V3的范围内,通常V2:V3至少为5:1,但优选为40:1至多达100:1。 例如,V2 = 50vdc,12 = 3安培和V3 = 1.0vdc将满足比率考虑。 由本发明提供的微处理器负载构成了数百万个逻辑门,其需要0.75V至1.5Vdc范围内的低电压。 其他微处理器负载,如高速缓存,可使用本发明技术的倒装芯片技术来供电。 指定为数字210的选定数量的微处理器逻辑门通过来自各个电压转换器220a的电互连205(凸起)供电。 。 。 220n。 每个电压转换器包括功率转换组件,即预调节器脉宽调制器控制器电路223,薄膜变压器221和嵌入在衬底230的深阱中的输出稳压器电路222。
    • 26. 发明授权
    • Selective plasma vapor etching process
    • 选择性等离子体蒸气蚀刻工艺
    • US4213818A
    • 1980-07-22
    • US1039
    • 1979-01-04
    • Kyle E. LemonsRichard C. Blish, IIJan D. Reimer
    • Kyle E. LemonsRichard C. Blish, IIJan D. Reimer
    • H01L21/3065H01L21/311H01L21/306C23F1/02
    • H01L21/31116H01L21/3065H01L21/31138
    • Selective plasma vapor etching process for performing operations on a solid body formed of at least two different materials capable of being vapor etched exposed at, at least, one surface of the body, with the body being disposed in a chamber having a partial vacuum therein. A gas plasma is created within the chamber to produce active species of atoms and molecules so that these species come into contact with the surface of the body to chemically react at least one of the materials with active species from the gas plasma to form a gas-non-gaseous chemical reaction by controlling the concentration and reaction kinetics of specific species, and by controlling the activation energy of the etching reactions to produce a difference in rates between the materials so that the etching is more selective to one material over the other. The species is also controlled by the frequency of the electromagnetic energy.
    • 选择性等离子体蒸汽蚀刻工艺,用于对由至少两种不同材料形成的固体进行操作,所述至少两种不同的材料能够在主体的至少一个表面处被暴露于所述主体的至少一个表面,其中所述主体设置在其中具有部分真空的腔室中。 在室内产生气体等离子体以产生原子和分子的活性物质,使得这些物质与身体的表面接触以使来自气体等离子体的活性物质中的至少一种材料与至少一种物质发生化学反应, 通过控制特定物质的浓度和反应动力学,以及通过控制蚀刻反应的活化能以产生材料之间的速率差,使得蚀刻对另一种材料的选择性更高,从而实现非气态化学反应。 该物种也受电磁能量的频率控制。