We have fabricated a vacuum photodiode in a coplanar stripline geometry. This device is capable of high quantum efficiency and picosecond response time.
The conductivity of copper at 40 and 110 GHz has recently been reported as part of the Bell Laboratories WT-4 waveguide field evaluation trial (FET).1 In this experiment, 14 kilometers of 60-mm wav
G.fast, the newest ITU protocol for copper access, will deliver anywhere from hundreds of Mb/s to close to 1Gb/s.
A T least as early as 1927, copper oxide rectifiers were being tried as ·L modulators for the speech channels of carrier telephone systems In this country.
This talk will present an introduction to the new superconducting materials and some of their potential applications.
Almost all metals and alloys corrode in use. The limits to their use are therefore provided not by the tendency to corrode but by the rates at which the corrosion occurs.
The esthetically pleasing and protective green patina which forms on copper when it is exposed to the atmosphere is complex and has been poorly characterized.
The complex chemical makeup of patinas formed on copper exposed to the atmosphere is summarized, as is the chemical content of atmospheric gases, particles, and water droplets.
Auger electron spectroscopy in conjunction with Ar sup + sputtering has been used to investigate four samples of copper that have been patinated by exposure to the atmosphere for periods ranging f
Each copy of a rest document can be made different in a nearly invisible may by repositioning or modifying the appearance of different elements of text, i.e., lines, words, or characters.
