WO2009041008A1 - Method for measuring pressure of gas sealed in electric discharge tube and method for manufacturing electric discharge tube - Google Patents

Method for measuring pressure of gas sealed in electric discharge tube and method for manufacturing electric discharge tube Download PDF

Info

Publication number
WO2009041008A1
WO2009041008A1 PCT/JP2008/002606 JP2008002606W WO2009041008A1 WO 2009041008 A1 WO2009041008 A1 WO 2009041008A1 JP 2008002606 W JP2008002606 W JP 2008002606W WO 2009041008 A1 WO2009041008 A1 WO 2009041008A1
Authority
WO
WIPO (PCT)
Prior art keywords
discharge tube
electric discharge
bulb
gas
length direction
Prior art date
Application number
PCT/JP2008/002606
Other languages
French (fr)
Japanese (ja)
Inventor
Tadao Mori
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009506834A priority Critical patent/JPWO2009041008A1/en
Publication of WO2009041008A1 publication Critical patent/WO2009041008A1/en

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
    • H01J9/42—Measurement or testing during manufacture
    • 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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395—Filling vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

An electric discharge tube (1) has a bulb (2), gas (6) sealed in the bulb (2), and electrodes (4A, 4B) provided in the bulb (2). The bulb (2) has first and second end portions (3B, 3A) extending in the length direction of the bulb (2) and disposed on the opposite sides along the length direction. The first end portion (3B) is immersed in liquid (7), and in this state the liquid (7) is caused to enter the bulb through the first end portion (3B), thereby forming a babble (20) of the gas (6) in the bulb (2). While maintaining the length direction of the bulb (2) horizontally, the length of the babble (20) in the length direction of the bulb (2) is measured. From the measured length, the pressure of the gas (6) in the electric discharge tube (1) is computed. With this method, the pressure of the gas (6) sealed in the bulb (2) of an electric discharge tube (1) can be simply and precisely determined.
PCT/JP2008/002606 2007-09-28 2008-09-22 Method for measuring pressure of gas sealed in electric discharge tube and method for manufacturing electric discharge tube WO2009041008A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009506834A JPWO2009041008A1 (en) 2007-09-28 2008-09-22 Method for measuring enclosed gas pressure in discharge tube and method for manufacturing discharge tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007254039 2007-09-28
JP2007-254039 2007-09-28

Publications (1)

Publication Number Publication Date
WO2009041008A1 true WO2009041008A1 (en) 2009-04-02

Family

ID=40510916

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002606 WO2009041008A1 (en) 2007-09-28 2008-09-22 Method for measuring pressure of gas sealed in electric discharge tube and method for manufacturing electric discharge tube

Country Status (4)

Country Link
JP (1) JPWO2009041008A1 (en)
KR (1) KR20100057755A (en)
CN (1) CN101558466A (en)
WO (1) WO2009041008A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103500694A (en) * 2013-09-26 2014-01-08 四川虹欧显示器件有限公司 PDP (Plasma Display Panel) screen gas charging method and PDP screen based on same
KR101685670B1 (en) * 2014-09-24 2016-12-12 금호전기주식회사 Apparatus for sealing arc-tube
US9646799B1 (en) 2016-01-15 2017-05-09 Kumho Electric, Inc. Apparatus for sealing arc-tube

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57190253A (en) * 1981-05-20 1982-11-22 Toshiba Corp Measuring method for gas pressure of gas sealed in lamp
JPH0562598A (en) * 1991-08-30 1993-03-12 Toshiba Lighting & Technol Corp Gas filling device for tublar bulb
JP2005276652A (en) * 2004-03-25 2005-10-06 Matsushita Electric Ind Co Ltd Manufacturing method for flash discharge tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57190253A (en) * 1981-05-20 1982-11-22 Toshiba Corp Measuring method for gas pressure of gas sealed in lamp
JPH0562598A (en) * 1991-08-30 1993-03-12 Toshiba Lighting & Technol Corp Gas filling device for tublar bulb
JP2005276652A (en) * 2004-03-25 2005-10-06 Matsushita Electric Ind Co Ltd Manufacturing method for flash discharge tube

Also Published As

Publication number Publication date
JPWO2009041008A1 (en) 2011-01-13
CN101558466A (en) 2009-10-14
KR20100057755A (en) 2010-06-01

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