JPS5232260A - Alignment equipment for shadow mask - Google Patents

Alignment equipment for shadow mask

Info

Publication number
JPS5232260A
JPS5232260A JP10797975A JP10797975A JPS5232260A JP S5232260 A JPS5232260 A JP S5232260A JP 10797975 A JP10797975 A JP 10797975A JP 10797975 A JP10797975 A JP 10797975A JP S5232260 A JPS5232260 A JP S5232260A
Authority
JP
Japan
Prior art keywords
mask
increased
brightness
pins
mold
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
JP10797975A
Other languages
Japanese (ja)
Inventor
Soji Takahashi
Masamoto Akeyama
Kazuo Sato
Takao Kawamura
Hideji Shioi
Kazuo Kato
Osamu Morita
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 JP10797975A priority Critical patent/JPS5232260A/en
Publication of JPS5232260A publication Critical patent/JPS5232260A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: Brightness is increased drastically by fine moving hole positions to be positioned highly accurately making a few spring 5 on outer circumference of the frame welded in advance are fixed at pins 6 outside the mold 2. By a microscope 7 mounte don a base 8 on which pins 6 are ifxed, mask 3 holes are observed, and are adjusted by moving together with the mold 2 fixing the mask 3 until hole positions are positioned at an ideal position. Later at a point in time the mask 3 is fixed at a desired position relative to the reference pin 6, the mask 3 is welded outside the frame. Thus, position errors of the mask 3 become very small, and the largeness of fluorescent dots can be increased, i.e., brightness can be increased greatly.
COPYRIGHT: (C)1977,JPO&Japio
JP10797975A 1975-09-08 1975-09-08 Alignment equipment for shadow mask Pending JPS5232260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10797975A JPS5232260A (en) 1975-09-08 1975-09-08 Alignment equipment for shadow mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10797975A JPS5232260A (en) 1975-09-08 1975-09-08 Alignment equipment for shadow mask

Publications (1)

Publication Number Publication Date
JPS5232260A true JPS5232260A (en) 1977-03-11

Family

ID=14472896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10797975A Pending JPS5232260A (en) 1975-09-08 1975-09-08 Alignment equipment for shadow mask

Country Status (1)

Country Link
JP (1) JPS5232260A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025191A (en) * 1989-12-21 1991-06-18 Zenith Electronics Corporation Adjustable-height shadow mask support for a flat tension mask color cathode ray tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025191A (en) * 1989-12-21 1991-06-18 Zenith Electronics Corporation Adjustable-height shadow mask support for a flat tension mask color cathode ray tube

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