JPS5611834A - Manufacturing method of input face for image tube - Google Patents

Manufacturing method of input face for image tube

Info

Publication number
JPS5611834A
JPS5611834A JP8849279A JP8849279A JPS5611834A JP S5611834 A JPS5611834 A JP S5611834A JP 8849279 A JP8849279 A JP 8849279A JP 8849279 A JP8849279 A JP 8849279A JP S5611834 A JPS5611834 A JP S5611834A
Authority
JP
Japan
Prior art keywords
heater
heated
boat
contained
thickness
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
JP8849279A
Other languages
Japanese (ja)
Inventor
Shuji Tanaka
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.)
Shimadzu Corp
Original Assignee
Shimadzu 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 Shimadzu Corp filed Critical Shimadzu Corp
Priority to JP8849279A priority Critical patent/JPS5611834A/en
Publication of JPS5611834A publication Critical patent/JPS5611834A/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
    • H01J9/22—Applying luminescent coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE:To improve both brightness and resolving power of a tube, by forming a prismatic crystal, used as a fluorescent material, into a mutually independent finely collective unit with the method in which a speed of evaporation deposition for the fluorescent material is changed on the half way of its process. CONSTITUTION:A base plate 11 is heated to 200 deg.C by a heater 21, and then a boat 15, in which an evaporated material 13 is contained, is heated at low temperature by a heater 23. Said evaporation method forms a crystal unit with diameter 100mu- 200mu and thickness 5mu-20mu. Then it is gradually cooled and a boat 17, in which the evaporated material 13 is contained, is heated at high temperature by a heater 25. In this way, a prismatic crystal in diameter 5mu-20mu and thickness 80mu-100mu is constructed. Further with a gradual cooling, then a boat 19 in which the evaporated material 13 is contained is heated at high temperature by a heater 27. This results in the construction of a fluorescent material layer in diameter about 5mu-20mu and thickness about 10mu. The above process is successively followed by a vacuum baking operation.
JP8849279A 1979-07-10 1979-07-10 Manufacturing method of input face for image tube Pending JPS5611834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8849279A JPS5611834A (en) 1979-07-10 1979-07-10 Manufacturing method of input face for image tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8849279A JPS5611834A (en) 1979-07-10 1979-07-10 Manufacturing method of input face for image tube

Publications (1)

Publication Number Publication Date
JPS5611834A true JPS5611834A (en) 1981-02-05

Family

ID=13944301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8849279A Pending JPS5611834A (en) 1979-07-10 1979-07-10 Manufacturing method of input face for image tube

Country Status (1)

Country Link
JP (1) JPS5611834A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6388732A (en) * 1986-09-30 1988-04-19 Shimadzu Corp X-ray image tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6388732A (en) * 1986-09-30 1988-04-19 Shimadzu Corp X-ray image tube

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