GB1379184A - Travelling wave tubes - Google Patents
Travelling wave tubesInfo
- Publication number
- GB1379184A GB1379184A GB1105973A GB1105973A GB1379184A GB 1379184 A GB1379184 A GB 1379184A GB 1105973 A GB1105973 A GB 1105973A GB 1105973 A GB1105973 A GB 1105973A GB 1379184 A GB1379184 A GB 1379184A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polepieces
- spacers
- tube
- magnets
- travelling
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/083—Electrostatic focusing arrangements
Landscapes
- Microwave Tubes (AREA)
Abstract
1379184 Travelling-wave tubes SPERRY RAND CORP 7 March 1973 [10 March 1972] 11059/73 Heading H1D The periodic permanent magnet focusing system of a travelling-wave tube is formed by a sequence of apertured polepieces 32, 33 and apertured spacers 35 which together constitute the vacuum envelope of the tube, and barshaped magnets 72 disposed between the polepieces at at least one surface 36 of the spacers. As described, the polepieces extend beyond the spacers in one direction, to receive the magnets an opposed spacer surfaces 36, 37, while the spacers extend beyond the polepieces in an orthogonal direction, to permit contact between the spacer surfaces 91, 92, 93 and a copper heat sink 90, or radiation surfaces or coolant channels (not shown). The magnets may be of a samarium cobalt alloy, held in place by adhesive or clamps; the spacers may be of copper and the polepieces of cold drawn steel; and the delay line of the tube may be a helix supported by beryllium oxide rods. The tube output arrangement may be that disclosed and claimed in Specification 1,374,697.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23368272A | 1972-03-10 | 1972-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1379184A true GB1379184A (en) | 1975-01-02 |
Family
ID=22878270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1105973A Expired GB1379184A (en) | 1972-03-10 | 1973-03-07 | Travelling wave tubes |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2312069A1 (en) |
| FR (1) | FR2175830B3 (en) |
| GB (1) | GB1379184A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0199515A2 (en) * | 1985-04-24 | 1986-10-29 | Eev Limited | Coupled cavity travelling wave tubes |
| GB2174236B (en) * | 1985-04-24 | 1989-10-04 | English Electric Valve Co Ltd | Coupled cavity travelling wave tubes |
-
1973
- 1973-03-07 GB GB1105973A patent/GB1379184A/en not_active Expired
- 1973-03-09 FR FR7308438A patent/FR2175830B3/fr not_active Expired
- 1973-03-10 DE DE19732312069 patent/DE2312069A1/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0199515A2 (en) * | 1985-04-24 | 1986-10-29 | Eev Limited | Coupled cavity travelling wave tubes |
| EP0199515A3 (en) * | 1985-04-24 | 1988-06-22 | English Electric Valve Company Limited | Coupled cavity travelling wave tubes |
| GB2174236B (en) * | 1985-04-24 | 1989-10-04 | English Electric Valve Co Ltd | Coupled cavity travelling wave tubes |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2175830B3 (en) | 1976-03-05 |
| DE2312069A1 (en) | 1973-09-13 |
| FR2175830A1 (en) | 1973-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |