Method of manufacturing microwave tube collector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 14, 1995
Grant Date -
N/A
app pub date -
Oct 4, 1994
filing date -
Oct 7, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
According to a method of manufacturing a microwave tube collector of this invention, a copper plating layer in which powder particles of a material having a secondary electron emissivity of not more than 1 are dispersed and precipitated is formed on a surface of a collector electrode. Only the copper plating layer is selectively etched for a predetermined period of time to increase the degree of exposure and the surface area of the powder particles of the material having a secondary electron emissivity of 1 or more in the copper plating layer.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully