Abstract:
An antibacterially effective compound of formula I: ##STR1## or a salt or hydrate thereof in which R1, R2, R3, R4, R5, X are as defined herein. Further, a process for producing the compound of formula I and an antibacterial composition containing antibacterially effective amount of the compound of formula I are disclosed.
Abstract:
Embodiments relate to a semiconductor device and a method for manufacturing the same. According to embodiments, the semiconductor device may include a semiconductor substrate formed with a metal interconnection, a first interlayer dielectric layer formed on the metal interconnection and having a first contact plug, a second interlayer dielectric layer formed on the first interlayer dielectric layer and having a second contact plug, and a third interlayer dielectric layer formed on the second interlayer dielectric layer and having a third contact plug, wherein the first to third contact plugs are connected to each other.
Abstract:
A pharmaceutical composition for the prevention and treatment of premature ejaculation and/or hypersensitivity of sexual stimulation is provided. The composition contains purified sumsoo extract and purified ginseng extract containing saponin as the main component, without other herbal essential oil components.
Abstract:
A method includes at least one of: forming a metal interconnection in a semiconductor device; forming an inter-metal dielectric layer over a substrate and/or a lower metal layer; forming a photoresist pattern over an inter-metal dielectric layer; forming a via hole by selectively etching an inter-metal dielectric layer using a photoresist pattern as a mask; forming an ionization layer in a via plug by ion implantation on a sidewall of a via hole; forming a barrier metal layer and a via plug in the via hole; and/or forming a metal interconnection. In embodiments, a barrier metal layer may include titanium nitride and/or a via plug may include tungsten.
Abstract:
Embodiments relate to a semiconductor device and a method for manufacturing the same. According to embodiments, the semiconductor device may include a semiconductor substrate formed with a metal interconnection, a first interlayer dielectric layer formed on the metal interconnection and having a first contact plug, a second interlayer dielectric layer formed on the first interlayer dielectric layer and having a second contact plug, and a third interlayer dielectric layer formed on the second interlayer dielectric layer and having a third contact plug, wherein the first to third contact plugs are connected to each other.