GB1410262A - Field optical systems - Google Patents
Field optical systemsInfo
- Publication number
- GB1410262A GB1410262A GB734673A GB734673A GB1410262A GB 1410262 A GB1410262 A GB 1410262A GB 734673 A GB734673 A GB 734673A GB 734673 A GB734673 A GB 734673A GB 1410262 A GB1410262 A GB 1410262A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tip
- electrode
- ion
- prevents
- emission
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title abstract 2
- 150000002500 ions Chemical class 0.000 abstract 4
- 239000012212 insulator Substances 0.000 abstract 3
- 239000002245 particle Substances 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000000356 contaminant Substances 0.000 abstract 2
- 102000006391 Ion Pumps Human genes 0.000 abstract 1
- 108010083687 Ion Pumps Proteins 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000010849 ion bombardment Methods 0.000 abstract 1
- 238000010884 ion-beam technique Methods 0.000 abstract 1
- 238000002789 length control Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011164 primary particle Substances 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 239000011163 secondary particle Substances 0.000 abstract 1
- 238000005092 sublimation method Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22597072A | 1972-02-14 | 1972-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1410262A true GB1410262A (en) | 1975-10-15 |
Family
ID=22847020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB734673A Expired GB1410262A (en) | 1972-02-14 | 1973-02-14 | Field optical systems |
Country Status (10)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1306871A3 (en) * | 2001-10-25 | 2004-04-21 | Northrop Grumman Corporation | Apparatus and method for focusing high-density electron beam emitted from planar cold cathode electron emitter |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5425792B2 (enrdf_load_stackoverflow) * | 1973-04-16 | 1979-08-30 | ||
| JPS5023571A (enrdf_load_stackoverflow) * | 1973-06-29 | 1975-03-13 | ||
| JPS60192947A (ja) * | 1984-03-13 | 1985-10-01 | Mitsubishi Electric Corp | 半導体装置製造用フオトマスク材料 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3678333A (en) * | 1970-06-15 | 1972-07-18 | American Optical Corp | Field emission electron gun utilizing means for protecting the field emission tip from high voltage discharges |
-
1973
- 1973-01-18 CA CA161,598A patent/CA976594A/en not_active Expired
- 1973-01-29 DE DE19732304906 patent/DE2304906C2/de not_active Expired
- 1973-02-01 NL NL7301491A patent/NL175676C/xx not_active IP Right Cessation
- 1973-02-01 AU AU51673/73A patent/AU470515B2/en not_active Expired
- 1973-02-02 IT IT4803773A patent/IT977180B/it active
- 1973-02-07 FR FR7305243A patent/FR2172251B1/fr not_active Expired
- 1973-02-13 JP JP1712173A patent/JPS576225B2/ja not_active Expired
- 1973-02-13 SE SE7301997A patent/SE380673B/xx unknown
- 1973-02-14 GB GB734673A patent/GB1410262A/en not_active Expired
- 1973-02-14 DD DD16884873A patent/DD103095A5/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1306871A3 (en) * | 2001-10-25 | 2004-04-21 | Northrop Grumman Corporation | Apparatus and method for focusing high-density electron beam emitted from planar cold cathode electron emitter |
Also Published As
| Publication number | Publication date |
|---|---|
| AU5167373A (en) | 1974-08-01 |
| NL175676C (nl) | 1984-12-03 |
| DE2304906A1 (de) | 1973-08-23 |
| DD103095A5 (enrdf_load_stackoverflow) | 1974-01-05 |
| JPS576225B2 (enrdf_load_stackoverflow) | 1982-02-03 |
| FR2172251A1 (enrdf_load_stackoverflow) | 1973-09-28 |
| NL175676B (nl) | 1984-07-02 |
| CA976594A (en) | 1975-10-21 |
| AU470515B2 (en) | 1976-03-18 |
| IT977180B (it) | 1974-09-10 |
| JPS4948273A (enrdf_load_stackoverflow) | 1974-05-10 |
| NL7301491A (enrdf_load_stackoverflow) | 1973-08-16 |
| DE2304906C2 (de) | 1985-10-24 |
| SE380673B (sv) | 1975-11-10 |
| FR2172251B1 (enrdf_load_stackoverflow) | 1978-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19930212 |