FR2412161A1 - HV treatment of CRT - with end of tube collar connected into socket immersed in liq. dielectric and with HV applied to socket - Google Patents

HV treatment of CRT - with end of tube collar connected into socket immersed in liq. dielectric and with HV applied to socket

Info

Publication number
FR2412161A1
FR2412161A1 FR7834311A FR7834311A FR2412161A1 FR 2412161 A1 FR2412161 A1 FR 2412161A1 FR 7834311 A FR7834311 A FR 7834311A FR 7834311 A FR7834311 A FR 7834311A FR 2412161 A1 FR2412161 A1 FR 2412161A1
Authority
FR
France
Prior art keywords
socket
dielectric
crt
treatment
immersed
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.)
Withdrawn
Application number
FR7834311A
Other languages
French (fr)
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.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2412161A1 publication Critical patent/FR2412161A1/en
Withdrawn legal-status Critical Current

Links

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
    • H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
    • H01J9/445—Aging of tubes or lamps, e.g. by "spot knocking"

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

The base (17) of the CRT is inserted into a socket (15). The contacts (23) of the socket are connected to conductors (13). The socket (15) is wholly immersed in a liquid dielectric (33) in a glass container (35). Treatment of at least 25 kV is applied to the terminals of the socket (15) via a cable (31). The presence of the liquid dielectric which fills the space between high, low voltage and or earth connections prevents the formation of an electrical arc between the connections. The dielectric has a boiling point between 30 deg. and 80 deg.C at a presure of 1 bar and a dielectric strength between 12 and 24 kV/mm at 25 deg.C.
FR7834311A 1977-12-19 1978-12-06 HV treatment of CRT - with end of tube collar connected into socket immersed in liq. dielectric and with HV applied to socket Withdrawn FR2412161A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86217677A 1977-12-19 1977-12-19

Publications (1)

Publication Number Publication Date
FR2412161A1 true FR2412161A1 (en) 1979-07-13

Family

ID=25337856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834311A Withdrawn FR2412161A1 (en) 1977-12-19 1978-12-06 HV treatment of CRT - with end of tube collar connected into socket immersed in liq. dielectric and with HV applied to socket

Country Status (3)

Country Link
JP (1) JPS5491045A (en)
FR (1) FR2412161A1 (en)
IT (1) IT1192297B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465284A (en) * 1989-12-05 1995-11-07 University Of Massachusetts Medical Center System for quantitative radiographic imaging

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54116873A (en) * 1978-03-02 1979-09-11 Sony Corp Spot knocking process of cathode ray tube
NL7806868A (en) * 1978-06-27 1980-01-02 Philips Nv METHOD FOR MANUFACTURING ELECTRODE SYSTEMS AND SO MADE ELECTRODE SYSTEMS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120846A5 (en) * 1970-12-28 1972-08-18 Rca Corp
US4111507A (en) * 1977-05-13 1978-09-05 Gte Sylvania Incorporated Apparatus for high voltage conditioning cathode ray tubes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119596B2 (en) * 1971-10-18 1976-06-18
DE2430314C3 (en) * 1974-06-24 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Liquid ring vacuum pump with upstream compressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120846A5 (en) * 1970-12-28 1972-08-18 Rca Corp
US4111507A (en) * 1977-05-13 1978-09-05 Gte Sylvania Incorporated Apparatus for high voltage conditioning cathode ray tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465284A (en) * 1989-12-05 1995-11-07 University Of Massachusetts Medical Center System for quantitative radiographic imaging

Also Published As

Publication number Publication date
IT7830706A0 (en) 1978-12-11
IT1192297B (en) 1988-03-31
JPS5491045A (en) 1979-07-19

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Legal Events

Date Code Title Description
ST Notification of lapse