JPS55122337A - Manufacturing method of metallic gas discharge lamp - Google Patents

Manufacturing method of metallic gas discharge lamp

Info

Publication number
JPS55122337A
JPS55122337A JP2938279A JP2938279A JPS55122337A JP S55122337 A JPS55122337 A JP S55122337A JP 2938279 A JP2938279 A JP 2938279A JP 2938279 A JP2938279 A JP 2938279A JP S55122337 A JPS55122337 A JP S55122337A
Authority
JP
Japan
Prior art keywords
coat
tube
pinch
boundary line
line
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.)
Pending
Application number
JP2938279A
Other languages
Japanese (ja)
Inventor
Kenji Narisei
Kenichi Kawasumi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2938279A priority Critical patent/JPS55122337A/en
Publication of JPS55122337A publication Critical patent/JPS55122337A/en
Pending 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
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE:To completely remove moisture in a coat in a short time by coating an antireflection coat or a protection coat on the end near the center of a tube than the vicinity near the tip along with the pinch boundary line of the tube end pinch sealing section of an inner tube. CONSTITUTION:The antireflection coat or protection coat which is coated on the the end toward the length direction of a quartz inner tube is coated on the range (indicated by the shaded portion 3) of the line segment 6 indicating the cross-sectional surface of the tube containing the end nearer the center of the tube of the pinch boundary line 5 from the line 8 separated at distance L near the tip from the pinch boundary line 5. By coating it on such a position, the moisture in the coat is easily removed through the lighting during the outer tube discharge process. When the distance L is less than 6mm, the effect is improved.
JP2938279A 1979-03-15 1979-03-15 Manufacturing method of metallic gas discharge lamp Pending JPS55122337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2938279A JPS55122337A (en) 1979-03-15 1979-03-15 Manufacturing method of metallic gas discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2938279A JPS55122337A (en) 1979-03-15 1979-03-15 Manufacturing method of metallic gas discharge lamp

Publications (1)

Publication Number Publication Date
JPS55122337A true JPS55122337A (en) 1980-09-20

Family

ID=12274579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2938279A Pending JPS55122337A (en) 1979-03-15 1979-03-15 Manufacturing method of metallic gas discharge lamp

Country Status (1)

Country Link
JP (1) JPS55122337A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481702A2 (en) * 1990-10-15 1992-04-22 General Electric Company Heat removal from electric discharge lamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49100873A (en) * 1973-01-29 1974-09-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49100873A (en) * 1973-01-29 1974-09-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481702A2 (en) * 1990-10-15 1992-04-22 General Electric Company Heat removal from electric discharge lamp

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