NL263646A - - Google Patents
Info
- Publication number
- NL263646A NL263646A NL263646DA NL263646A NL 263646 A NL263646 A NL 263646A NL 263646D A NL263646D A NL 263646DA NL 263646 A NL263646 A NL 263646A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0061—Tubes with discharge used as electron source
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Particle Accelerators (AREA)
- Electron Beam Exposure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEZ7940A DE1117781B (de) | 1960-04-16 | 1960-04-16 | Elektronenstrahlerzeugungssystem und Verfahren zur Herstellung der Blendenoeffnung des Elektronenstrahlerzeugungssystems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL263646A true NL263646A (https=) |
Family
ID=7620324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL263646D NL263646A (https=) | 1960-04-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3138736A (https=) |
| CH (1) | CH400384A (https=) |
| DE (1) | DE1117781B (https=) |
| GB (1) | GB979622A (https=) |
| NL (1) | NL263646A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3389240A (en) * | 1964-09-25 | 1968-06-18 | Welding Research Inc | Electron beam welding apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE438468A (https=) * | 1939-05-08 | |||
| US2721972A (en) * | 1952-08-04 | 1955-10-25 | Rothstein Jerome | High sensitivity ionization gauge |
| US2847597A (en) * | 1955-11-25 | 1958-08-12 | Sylvania Electric Prod | Electron discharge device |
| US2887599A (en) * | 1957-06-17 | 1959-05-19 | High Voltage Engineering Corp | Electron acceleration tube |
| NL242517A (https=) * | 1958-08-26 |
-
0
- NL NL263646D patent/NL263646A/xx unknown
-
1960
- 1960-04-16 DE DEZ7940A patent/DE1117781B/de active Pending
-
1961
- 1961-03-17 CH CH325461A patent/CH400384A/de unknown
- 1961-03-20 GB GB10002/61A patent/GB979622A/en not_active Expired
- 1961-03-20 US US96935A patent/US3138736A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1117781B (de) | 1961-11-23 |
| GB979622A (en) | 1965-01-06 |
| US3138736A (en) | 1964-06-23 |
| CH400384A (de) | 1965-10-15 |