Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7977762 | Effective shield structure for improving substrate isolation of analog circuits from noisy digital circuits on a system-on-chip (SOC) An integrated circuit (IC) is disclosed to include a central area of the IC that is partitioned into a first section containing at least one digital circuit and a second section containing at least one analog circuit; and a guard strip (or shield) that is within the... | 07/12/2011 |
| 7920006 | Clocking scheme for efficient digital noise reduction in mixed-signal systems-on-chip In one embodiment of the present invention, a clock generator circuit receives a clock signal having a period. The clock signal is employed by a digital circuit that is resident on the same substrate as an analog circuit, the digital circuit generates disturbance cl... | 04/05/2011 |
| 7473955 | Fabricated cylinder capacitor for a digital-to-analog converter A fabricated cylinder capacitor having two or more layers is provided, each layer having a bottom plate and top plate portions. A first set of vias connect the bottom plate portions and a second set of vias connect the top plate portions. The bottom plate portions a... | 01/06/2009 |
| 7456462 | Fabricated U-shaped capacitor for a digital-to-analog converter A layered capacitor having top and bottom plates formed from multiple layers. The capacitor has a bottom layer comprising a bottom plate portion and at least one upper layer, each upper layer comprising top and bottom plate portions. A first set of vias connect the ... | 11/25/2008 |
| 7446365 | Fabricated layered capacitor for a digital-to-analog converter A fabricated layered capacitor having three layers is provided. The first bottom layer comprises a first bottom plate portion, the second middle layer comprises a first top plate portion, and the third top layer comprises a second bottom plate portion of the layered... | 11/04/2008 |
| 7403150 | Analog-to-digital converter architecture using a capacitor array structure An analog-to-digital converter architecture is described. An analog-to-digital converter circuit includes a switched capacitor circuit structure to receive an input voltage signal and one or more reference voltage signals. The analog-to-digital converter circuit als... | 07/22/2008 |
