JPS5250681A - Field radiation type electronic gun - Google Patents
Field radiation type electronic gunInfo
- Publication number
- JPS5250681A JPS5250681A JP12635575A JP12635575A JPS5250681A JP S5250681 A JPS5250681 A JP S5250681A JP 12635575 A JP12635575 A JP 12635575A JP 12635575 A JP12635575 A JP 12635575A JP S5250681 A JPS5250681 A JP S5250681A
- Authority
- JP
- Japan
- Prior art keywords
- type electronic
- field radiation
- radiation type
- electronic gun
- vapor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electron Sources, Ion Sources (AREA)
Abstract
PURPOSE: A vapor source is composed of a filament or ribbon comprising an evaporating material and is directly energized from a constant voltage power source to be heated and evaporated, whereby the control of the thickness of vapor-deposited film is made easier.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12635575A JPS5250681A (en) | 1975-10-22 | 1975-10-22 | Field radiation type electronic gun |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12635575A JPS5250681A (en) | 1975-10-22 | 1975-10-22 | Field radiation type electronic gun |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5250681A true JPS5250681A (en) | 1977-04-22 |
Family
ID=14933121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12635575A Pending JPS5250681A (en) | 1975-10-22 | 1975-10-22 | Field radiation type electronic gun |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5250681A (en) |
-
1975
- 1975-10-22 JP JP12635575A patent/JPS5250681A/en active Pending
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