JPS5416925A - Projection-type picture tube and its manufacture - Google Patents

Projection-type picture tube and its manufacture

Info

Publication number
JPS5416925A
JPS5416925A JP8184877A JP8184877A JPS5416925A JP S5416925 A JPS5416925 A JP S5416925A JP 8184877 A JP8184877 A JP 8184877A JP 8184877 A JP8184877 A JP 8184877A JP S5416925 A JPS5416925 A JP S5416925A
Authority
JP
Japan
Prior art keywords
projection
picture tube
manufacture
type picture
hole
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.)
Granted
Application number
JP8184877A
Other languages
Japanese (ja)
Other versions
JPS6131581B2 (en
Inventor
Arinobu Suzuki
Toshinobu Inoue
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics 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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP8184877A priority Critical patent/JPS5416925A/en
Publication of JPS5416925A publication Critical patent/JPS5416925A/en
Publication of JPS6131581B2 publication Critical patent/JPS6131581B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE: To increase the life time and the reliability of the projection-type picture tube, by closing the through-hole of the concave mirror at the getter dispersing time in the manufacture processes and then opening the through-hole to make the electron beam pass.
COPYRIGHT: (C)1979,JPO&Japio
JP8184877A 1977-07-07 1977-07-07 Projection-type picture tube and its manufacture Granted JPS5416925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8184877A JPS5416925A (en) 1977-07-07 1977-07-07 Projection-type picture tube and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8184877A JPS5416925A (en) 1977-07-07 1977-07-07 Projection-type picture tube and its manufacture

Publications (2)

Publication Number Publication Date
JPS5416925A true JPS5416925A (en) 1979-02-07
JPS6131581B2 JPS6131581B2 (en) 1986-07-21

Family

ID=13757889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8184877A Granted JPS5416925A (en) 1977-07-07 1977-07-07 Projection-type picture tube and its manufacture

Country Status (1)

Country Link
JP (1) JPS5416925A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159543A (en) * 1984-12-29 1986-07-19 Daido Steel Co Ltd Alloy for electric heating
JPH01312051A (en) * 1988-04-22 1989-12-15 Inco Alloys Internatl Inc Sulfiding corrosion resistance/oxidation-resistant alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159543A (en) * 1984-12-29 1986-07-19 Daido Steel Co Ltd Alloy for electric heating
JPH01312051A (en) * 1988-04-22 1989-12-15 Inco Alloys Internatl Inc Sulfiding corrosion resistance/oxidation-resistant alloy

Also Published As

Publication number Publication date
JPS6131581B2 (en) 1986-07-21

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