Zobrazeno 1 - 2
of 2
pro vyhledávání: '"E. C. Couble"'
Publikováno v:
Circuit World. 19:63-70
The technological development and characteristics of an innovative process and composition for immersion plating and fusing of a solderable tin/lead deposit over copper are discussed. The process offers a viable alternative to hot air solder levellin
Publikováno v:
Journal of Geophysical Research. 69:1457-1467
Cosmic-ray-produced Be7, P32, P33, and S35 radioactivities have been measured in aircraft filter collections made at 20 km over the central United States during 1961 and 1962. Fission products Ba140 and Sr90 have been measured in the same samples. Ob