LASER MARKING METHOD
PURPOSE:To obtain the marking method which facilitates the change of marking and features an excellent high-speed characteristic as the marking method easily applicable even to the case of intricate shapes of articles. CONSTITUTION:This laser marking method includes (1) a stage for coating a base ma...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
01.06.1993
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Subjects | |
Online Access | Get full text |
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Summary: | PURPOSE:To obtain the marking method which facilitates the change of marking and features an excellent high-speed characteristic as the marking method easily applicable even to the case of intricate shapes of articles. CONSTITUTION:This laser marking method includes (1) a stage for coating a base material with an active energy ray curing type coating material contg. a heat sensitive material which is irreversibly discolored at 100 to 400 deg.C, (2) a stage for curing the coating film applied on the base material by irradiating the coating film with active energy rays and (3) a stage for partially irradiating the coating film with laser beams to discolor the irradiated part before or after the above-mentioned stage (4). |
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Bibliography: | Application Number: JP19910334122 |