Title:
LASER MATERIAL PROCESSING MACHINE
Document Type and Number:
Japanese Patent JPS5290955
Kind Code:
A
Abstract:
PURPOSE: Spot diameter is made smaller with ease by making the distance between the laser oscillation plane of a laser material processing machine and the main plane of a condensing lens to a value more than a certain fixed value.
Inventors:
USHIMI KENJI
NAGANO YUKITAKA
NAGANO YUKITAKA
Application Number:
JP660176A
Publication Date:
July 30, 1977
Filing Date:
January 26, 1976
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
G02B27/00; G02B27/09; (IPC1-7): B23K26/00; G02B27/00
Previous Patent: METHOD OF MANUFACTURING WATER PRESSURE RESISTANT SANDWICH FILTER
Next Patent: ELECTRIC HEATING BOARD AND MANUFACTURE THEREOF
Next Patent: ELECTRIC HEATING BOARD AND MANUFACTURE THEREOF