JPS5319755A - Inspecting method for electron tube cathode surface - Google Patents
Inspecting method for electron tube cathode surfaceInfo
- Publication number
- JPS5319755A JPS5319755A JP9401276A JP9401276A JPS5319755A JP S5319755 A JPS5319755 A JP S5319755A JP 9401276 A JP9401276 A JP 9401276A JP 9401276 A JP9401276 A JP 9401276A JP S5319755 A JPS5319755 A JP S5319755A
- Authority
- JP
- Japan
- Prior art keywords
- electron tube
- cathode surface
- tube cathode
- inspecting method
- inspecting
- 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.)
- Granted
Links
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
PURPOSE: The alkaline earth metals ternary oxide surface on an electron tube cathode surface and the intermediate layer product formed by reaction of this oxide and a substance metal are melted and removed successively, thereby inspecting the surface.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9401276A JPS581498B2 (en) | 1976-08-09 | 1976-08-09 | Electron tube cathode surface inspection method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9401276A JPS581498B2 (en) | 1976-08-09 | 1976-08-09 | Electron tube cathode surface inspection method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5319755A true JPS5319755A (en) | 1978-02-23 |
JPS581498B2 JPS581498B2 (en) | 1983-01-11 |
Family
ID=14098551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9401276A Expired JPS581498B2 (en) | 1976-08-09 | 1976-08-09 | Electron tube cathode surface inspection method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS581498B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49105091A (en) * | 1973-02-06 | 1974-10-04 |
-
1976
- 1976-08-09 JP JP9401276A patent/JPS581498B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49105091A (en) * | 1973-02-06 | 1974-10-04 |
Also Published As
Publication number | Publication date |
---|---|
JPS581498B2 (en) | 1983-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5319755A (en) | Inspecting method for electron tube cathode surface | |
JPS5227013A (en) | High temperature corrosion resisting ni-base alloy | |
JPS5320769A (en) | Plasma etching method of metal electrodes | |
JPS51125606A (en) | A method of fractional recovery of heavy metals | |
JPS5219105A (en) | Nonoxidative sintering and forging method | |
JPS5217308A (en) | Method for separating cermet alloy and hard metal | |
JPS5211752A (en) | Method of manufacturing cathodes for electron tubes | |
JPS5231649A (en) | Cathode structure for electronic tube | |
JPS5344166A (en) | Color picture tube | |
JPS5222518A (en) | Method for compounding zinc-base alloy | |
JPS5428584A (en) | Manufacture of semiconductor laser element | |
JPS5224070A (en) | Productio method of magnetron anode | |
JPS51149217A (en) | Process for preparing aldehydes | |
JPS5230150A (en) | Manufacturing system of electron radiation cathode rod | |
JPS526477A (en) | Method for multi-layer film formation | |
JPS5312690A (en) | Inspecting method for oxide cathode | |
JPS5240961A (en) | Color picture tube | |
JPS5348660A (en) | Cathode temperature measurement method for cathode-ray tube | |
JPS52116063A (en) | Inspection method for electron tube oxide cathode | |
JPS51125605A (en) | A method of fractional recovery of heavy metals | |
JPS5427350A (en) | Oxide cathode | |
JPS5379585A (en) | Taking-out method of thermocouple within case | |
JPS5390766A (en) | Exposure method | |
JPS52127151A (en) | Electron ray indicator tube | |
JPS52137396A (en) | Testing method for oxide cathode |