Coating by cathode disintegration
United States Patent 2146025

Inventors:
Michel, Penning Frans
Publication Date:
02/07/1939
View Patent Images:
Download PDF 2146025 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
PHILIPS NV
Primary Class:
204/192.120
Other Classes:
313/161, 313/157, 313/568, 250/427, 204/298.160
International Classes:
C23C14/35; H01J41/06; H01J41/20; H01J41/00