JPS5390856A - Attaching method of aperture electrode - Google Patents

Attaching method of aperture electrode

Info

Publication number
JPS5390856A
JPS5390856A JP620777A JP620777A JPS5390856A JP S5390856 A JPS5390856 A JP S5390856A JP 620777 A JP620777 A JP 620777A JP 620777 A JP620777 A JP 620777A JP S5390856 A JPS5390856 A JP S5390856A
Authority
JP
Japan
Prior art keywords
aperture electrode
attaching method
electrode hole
aperture
highaccuracy
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
JP620777A
Other languages
Japanese (ja)
Inventor
Takashi Tsukada
Tokuzo Kadota
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 Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP620777A priority Critical patent/JPS5390856A/en
Publication of JPS5390856A publication Critical patent/JPS5390856A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a beam spot featuring a small aberration by securing a highaccuracy coincidence of the center between the aperture electrode hole and the anode electrode hole.
COPYRIGHT: (C)1978,JPO&Japio
JP620777A 1977-01-21 1977-01-21 Attaching method of aperture electrode Pending JPS5390856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP620777A JPS5390856A (en) 1977-01-21 1977-01-21 Attaching method of aperture electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP620777A JPS5390856A (en) 1977-01-21 1977-01-21 Attaching method of aperture electrode

Publications (1)

Publication Number Publication Date
JPS5390856A true JPS5390856A (en) 1978-08-10

Family

ID=11632078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP620777A Pending JPS5390856A (en) 1977-01-21 1977-01-21 Attaching method of aperture electrode

Country Status (1)

Country Link
JP (1) JPS5390856A (en)

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