Secondary electron multiplier
United States Patent 2163700

Inventors:
Martin, Ploke
Wilhelm, Lang
Publication Date:
06/27/1939
View Patent Images:
Download PDF 2163700 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Martin, Ploke
Wilhelm, Lang
Primary Class:
313/532
International Classes:
H01J43/24; H01J43/00