Patent EP0183355A2 successfully refreshed from Google Patents.
EP0183355A2
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Microwave tube output section
Assignee: Toshiba Corp
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Filing: 1985-09-27
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Granted: —
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Expires: 2005-09-27
Abstract
Abstract A microwave tube output section of a microwave tube having an output cavity (13) in which a vacuum can be maintained, has a coaxial line section (17) with an internal conductor (15) and an external conductor (16) coupled to the output cavity (13). A dielectric air-tight ring (20) forms a vacuum tight seal between the outside of the internal conductor (15) and the inside of the external conductor (16). The internal conductor (15) is hollow, and is divided at a position on the output cavity side of the dielectric air-tight ring (20) in the coaxial line. A metal ring (40, 60) is attached inside each of the divided parts of the internal conductor, and these metal rings (40, 60) are welded together to form a hermetic seal between the parts of the internal conductor (15, 18). The external conductor (16) is also divided at a position on the output cavity side of the dielectric ring (20) in the coaxial line, and a metal ring (51, 33) is attached to each part of the divided external conductor, and these metal rings are welded together to form a hermetic seal between the parts of the divided external conductor (16, 19). The parts of each conductor (15, 16, 18, 19) are electrically connected together.
Inventors
- 👤 Yukio C/O Patent Division Okazaki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 08:48
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/36; H01J23/40; H01J23/46; H01J23/005
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
219 words
A microwave tube output section for a microwave tube having an output cavity (13) in which a vacuum can be maintained, comprising: a coaxial line section (17) with an internal conductor (15) and an external conductor (16) coupable to the output cavity (13), and a dielectric air-tight ring (20) which forms a vacuum tight seal between the outside of the internal conductor (15) and the inside of the external conductor (16), characterised in that the internal conductor (15) is hollow, and is divided at a position on the output cavity side of the dielectric air-tight ring (20) in the coaxial line, at least one metal ring (40, 60) is attached inside each of the divided parts of the internal conductor, and these metal rings (40, 60) are welded together to form a hermetic seal between the parts of the internal conductor (15, 18), the external conductor (16) is divided at a position on the output cavity side of the dielectric ring (20) in the coaxial line, at least one metal ring (51, 33) is attached to each part of the divided external conductor, and these metal rings are welded together to form a hermetic seal between the parts of the divided external conductor (16, 19), and the parts of each conductor (,15, 16, 18, 19) are electrically connected together.
Claim 2
Dependent Claim
219 words
A microwave tube output section for a microwave tube having an output cavity (13) in which a vacuum can be maintained, comprising: a coaxial line section (17) with an internal conductor (15) and an external conductor (16) coupable to the output cavity (13), and a dielectric air-tight ring (20) which forms a vacuum tight seal between the outside of the internal conductor (15) and the inside of the external conductor (16), characterised in that the internal conductor (15) is hollow, and is divided at a position on the output cavity side of the dielectric air-tight ring (20) in the coaxial line, at least one metal ring (40, 60) is attached inside each of the divided parts of the internal conductor, and these metal rings (40, 60) are welded together to form a hermetic seal between the parts of the internal conductor (15, 18), the external conductor (16) is divided at a position on the output cavity side of the dielectric ring (20) in the coaxial line, at least one metal ring (51, 33) is attached to each part of the divided external conductor, and these metal rings are welded together to form a hermetic seal between the parts of the divided external conductor (16, 19), and the parts of each conductor (,15, 16, 18, 19) are electrically connected together.
Claim 3
Dependent Claim
56 words
A microwave tube output section as claimed in claim 1, wherein the internal conductor (15) and external conductor (16) are cylindrical and both have a portion (18, 19) of increased diameter, and the dielectric air-tight ring (20) and the metal weld rings (40, 60; 33, 51) between the divided sections are in the larger diameter section.
Claim 4
Dependent Claim
25 words
A microwave tube output section as claimed in claim 1 or 2, wherein the internal conductor (15) is adapted to have coolant circulated within it.
Claim 5
Dependent Claim
38 words
A microwave tube output section as claimed in any one of claims 1 to 3, wherein a multipactor suppression coating layer (20a) is formed on the surface of the dielectric air-tight ring (20) on the output cavity side.
Claim 6
Dependent Claim
50 words
A microwave tube output section as claimed in any one of claims 1 to 4, wherein an end section (25) of the internal conductor (15) is connected, outside of the position where the dielectric air-tight ring (20) is attached, in such a way that the end section (25) is exchangable.
Claim 7
Dependent Claim
67 words
A microwave tube output section as claimed in claim 1, wherein the internal conductor (15) and external conductor (16) are cylindrical and both have a portion of increased diameter towards their respective outside end, with the dielectric air-tight ring (20) is attached in the large diameter section, and an end section (25) of the large diameter section of the internal conductor (15) is connected to be exchangable.
Claim 8
Dependent Claim
34 words
A microwave tube output section as claimed in claim 3, wherein the inside wall of the internal conductor (15) with the metal weld rings (40, 60, 33, 51) are in the path of coolant.
Claim 9
Dependent Claim
44 words
A microwave tube output section as claimed in any one of claims 1 to 7, wherein facing edges of the divided internal conductor (15) are pressed firmly together in such a way that walls of the conductor have good electrical contact with one another.
Claim 10
Dependent Claim
85 words
A microwave tube output section as claimed in claim 1 to 8, wherein there is a first part of the coaxial line in which the coaxial line section is elongated from the output cavity, and a second part of the coaxial line block which includes the dielectric air-tight ring, and that the hermetic seal are made by means of the thin metal weld rings which join both the internal and external conductors at the section where these first and second coaxial line parts come together.
Claim 11
Dependent Claim
29 words
A microwave tube comprising an output cavity (13) in which a vacuum can be maintained and characterised by a microwave tube output section characterised as in any preceding claim.
References Cited (Backward Citations)
No citation records indexed.
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