GB1487272A – Method for devacuating a vacuum tube
– Google Patents
GB1487272A – Method for devacuating a vacuum tube
– Google Patents
Method for devacuating a vacuum tube
Info
Publication number
GB1487272A
GB1487272A
GB394675A
GB394675A
GB1487272A
GB 1487272 A
GB1487272 A
GB 1487272A
GB 394675 A
GB394675 A
GB 394675A
GB 394675 A
GB394675 A
GB 394675A
GB 1487272 A
GB1487272 A
GB 1487272A
Authority
GB
United Kingdom
Prior art keywords
tube
devacuating
crater
swept
neck
Prior art date
1974-02-04
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
Application number
GB394675A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date 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 date listed.)
1974-02-04
Filing date
1975-01-29
Publication date
1977-09-28
1975-01-29
Application filed by RCA Corp
filed
Critical
RCA Corp
1977-09-28
Publication of GB1487272A
publication
Critical
patent/GB1487272A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/50—Repairing or regenerating used or defective discharge tubes or lamps
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0072—Disassembly or repair of discharge tubes
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
Y02W30/00—Technologies for solid waste management
Y02W30/50—Reuse, recycling or recovery technologies
Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
1487272 Discharge tubes RCA CORPORATION 29 Jan 1975 [4 Feb 1974] 3946/75 Heading H1D A method of devacuating to atmospheric pressure an evacuated electron tube-e.g. a cathode-ray tube requiring regunning-includes the step of directing a pulsed beam of radiant energy-as described, a laser beam-upon an area of the tube neck which has a portion of the gun mounting assembly spaced by not more than 250 m. from its inner wall, until a crater is formed and the glass material at the bottom of the crater is swept into the envelope. The volatilized material condenses on the adjacent mounting structure instead of being swept into the remainder of the tube; the neck is thereafter severed and, with the contained mounting assembly, discarded. In an example, 40 to 50 pulses of 1À2 to 2À2 joules, applied in 30 seconds, are employed.
GB394675A
1974-02-04
1975-01-29
Method for devacuating a vacuum tube
Expired
GB1487272A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US05/439,561
US4010991A
(en)
1974-02-04
1974-02-04
Method for devacuating a vacuum tube
Publications (1)
Publication Number
Publication Date
GB1487272A
true
GB1487272A
(en)
1977-09-28
Family
ID=23745203
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB394675A
Expired
GB1487272A
(en)
1974-02-04
1975-01-29
Method for devacuating a vacuum tube
Country Status (7)
Country
Link
US
(1)
US4010991A
(en)
JP
(1)
JPS5619947B2
(en)
CA
(1)
CA1022995A
(en)
DE
(1)
DE2504375C3
(en)
FR
(1)
FR2260184B1
(en)
GB
(1)
GB1487272A
(en)
IT
(1)
IT1028479B
(en)
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
ES2079002T3
(en)
*
1991-07-25
1996-01-01
Zueblin Ag
PROCEDURE FOR THE TREATMENT OF COATED GLASS.
DE19632492C1
(en)
*
1996-08-12
1997-12-11
Siemens Ag
Replacement of metallic tube fitted to vacuum housing
JP2009048777A
(en)
*
2007-08-13
2009-03-05
Nec Lighting Ltd
Method of manufacturing high-pressure discharge lamp
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2859324A
(en)
*
1957-12-27
1958-11-04
Rauland Corp
Electron-discharge device processing apparatus
US3063777A
(en)
*
1960-05-02
1962-11-13
Rca Corp
Method of rebuilding electron tubes
US3560779A
(en)
*
1968-05-02
1971-02-02
Rca Corp
Shadow mask type color picture tube with a fine mesh flexible particle shield between the gun and target portions
1974
1974-02-04
US
US05/439,561
patent/US4010991A/en
not_active
Expired – Lifetime
1975
1975-01-20
IT
IT1942675A
patent/IT1028479B/en
active
1975-01-23
CA
CA218,546A
patent/CA1022995A/en
not_active
Expired
1975-01-29
GB
GB394675A
patent/GB1487272A/en
not_active
Expired
1975-01-30
FR
FR7502897A
patent/FR2260184B1/fr
not_active
Expired
1975-02-03
DE
DE2504375A
patent/DE2504375C3/en
not_active
Expired
1975-02-04
JP
JP1520175A
patent/JPS5619947B2/ja
not_active
Expired
Also Published As
Publication number
Publication date
US4010991A
(en)
1977-03-08
FR2260184A1
(en)
1975-08-29
FR2260184B1
(en)
1977-04-15
DE2504375A1
(en)
1975-08-07
JPS50110763A
(en)
1975-09-01
CA1022995A
(en)
1977-12-20
IT1028479B
(en)
1979-01-30
DE2504375B2
(en)
1979-09-27
JPS5619947B2
(en)
1981-05-11
DE2504375C3
(en)
1984-06-20
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Camera tube envelope
Legal Events
Date
Code
Title
Description
1978-02-08
PS
Patent sealed [section 19, patents act 1949]
1989-07-12
732
Registration of transactions, instruments or events in the register (sect. 32/1977)
1989-09-20
PCNP
Patent ceased through non-payment of renewal fee
