Title:
MANUFACTURE OF COIL FILAMENT FOR ELECTRON TUBE
Document Type and Number:
Japanese Patent JPS5394759
Kind Code:
A
Abstract:
PURPOSE: To carry out the manufacture easily maintaining the precision of forming a coil at a high level by using a bar core metal with the only simple circumferential surface which is relatively easy to obtain the work precision and gap line material.
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Inventors:
OOHARA ICHIROU
Application Number:
JP863977A
Publication Date:
August 19, 1978
Filing Date:
January 31, 1977
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H01J9/08; (IPC1-7): H01J9/08