【発明の名称】セラミツク材料、釉薬、ガラスセラミツク及びガラスのレ-ザ-マ-キング方法

Title:

【発明の名称】セラミツク材料、釉薬、ガラスセラミツク及びガラスのレ-ザ-マ-キング方法

Document Type and Number:

Japanese Patent JPH0761551

Kind Code:

B2

Abstract:

A method of laser marking ceramic materials, glazes, glass ceramics and glasses that contain at least one radiation-sensitive additive, utilizing a laser beam as radiation energy source which is either applied to, or focused on, the surface of the material to be marked in accordance with the form of the graphic symbols to be reproduced, such that a change in color is induced at the irradiated areas, wherein the wavelength of said laser beam used as energy source is in the near UV and/or visible range and/or infra-red range, and the radiation-sensitive additive is an inorganic pigment.

Inventors:

Heinrich Gugger
Fries helen
Manfred Hoffman
Andre Pugin

Application Number:

JP1741887A

Publication Date:

July 05, 1995

Filing Date:

January 29, 1987

Export Citation:

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Assignee:

Ciba Geigi-Actien Gezershyaft

International Classes:

B23K26/18; B23K26/00; B41M5/26; B44B7/00; B44C1/00; C03C23/00; C04B41/00; C04B41/80; B41M1/34; (IPC1-7): B23K26/00; B23K26/18

Domestic Patent References:

JP60248895A

Attorney, Agent or Firm:

Hajime Tsukuni

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