Method of making a plastic material sensitive to laser radiation

Details Method of making a plastic material sensitive to laser radiation Method of making a plastic material sensitive to laser radiation

1986-04-09

1989-03-28

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430346, 430495, 430945, 430964, 3461351, G03C 172, B41M 524, C08K 300, A01K 1100

Patent

active

048163740

ABSTRACT:
An opacifier substance is added to a plastic material which is naturally transparent to laser radiation. The opacifier substance is added in powder form as a concentration of 2% to 6% by weight of the plastic material. The opacifier substance is preferably antimony oxide and the resulting plastic material is capable of being permanently marked by a laser beam and is suitable for providing animal ear tags. These tags may be marked with an automatically readable bar code and this code continues to be automatically readable over a period of several years use on the animal.

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patent: 4578329 (1986-03-01), Holsappel
Patent Abstracts of Japan, vol. 8, No. 191, (M-322), (1628), Sep. 4, 1984, [JP-A-59 82 185].
Patent Abstracts of Japan, vol. 8, No. 147, (P-285), (1584), Jul. 10, 1984, [JP-A-59 45 642].

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