DE10050166A1 - IR laser-heated surface markings applied to materials to be subjected to high temperatures are made long lasting by including a crystallization-promoting substance, eg zirconium- or titanium-oxide - Google Patents

IR laser-heated surface markings applied to materials to be subjected to high temperatures are made long lasting by including a crystallization-promoting substance, eg zirconium- or titanium-oxide

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Publication number
DE10050166A1
DE10050166A1 DE2000150166 DE10050166A DE10050166A1 DE 10050166 A1 DE10050166 A1 DE 10050166A1 DE 2000150166 DE2000150166 DE 2000150166 DE 10050166 A DE10050166 A DE 10050166A DE 10050166 A1 DE10050166 A1 DE 10050166A1
Authority
DE
Germany
Prior art keywords
crystallization
high temperatures
subjected
oxide
materials
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE2000150166
Other languages
German (de)
Inventor
Armin Lenhart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE2000150166 priority Critical patent/DE10050166A1/en
Priority to EP01123825A priority patent/EP1197346A3/en
Publication of DE10050166A1 publication Critical patent/DE10050166A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/262—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used recording or marking of inorganic surfaces or materials, e.g. glass, metal, or ceramics

Abstract

IR laser heating in the application of long-lasting surface markings (2) containing colorants to substrates which are to be subjected to high temperatures involves addition to the marking materials of a substance causing crystallization.

Description

Die Erfindung betrifft ein Verfahren zur dauerhaften Beschriftung von hochtemperaturbeanspruchten Materialien, bei dem durch einen Infrarotlaser ein Auftrag aus Flußmittel und Farbe entsprechend der gewünschten Beschriftung erhitzt wird. Als Flußmittel können Glas, SnO, TiO2 usw. verwendet werden. Als Farbe kommen z. B. Metalloxyde oder keramische Pigmente in Frage. Beschriftungen mit Infrarotlaserenergie sind bsw. in der US-PS 6075223 näher beschrieben. Hochtemperaturbeanspruchte Materialien können z. B. Widerstände, Brennstoffzellen oder Isolierteile sein.The invention relates to a method for permanent labeling of materials exposed to high temperatures, in which an application of flux and color is heated in accordance with the desired labeling by an infrared laser. Glass, SnO, TiO 2 , etc. can be used as the flux. As a color come e.g. B. metal oxides or ceramic pigments in question. Inscriptions with infrared laser energy are, for example. described in more detail in US Pat. No. 6,075,223. Materials exposed to high temperatures can e.g. B. resistors, fuel cells or insulating parts.

Bei diesen hochtemperturbeanspruchten Materialien - z. B. bei 900 Grad Celsius - hat es sich bei Dauerbelastung gezeigt, daß die Beschriftung im Laufe der Zeit weit­ gehend verschwindet. Dies kann ev. auf der Lösung der Farbe im Träger, auf Diffusionsvorgängen oder sonstigen unerwünschten Reaktionen des Substrates beruhen.With these high-temperature materials - z. B. at 900 degrees Celsius - it has it has been shown under permanent load that the lettering expands over time going disappears. This may be due to the solution of the color in the carrier, diffusion processes or other undesirable reactions of the substrate based.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine dauerhafte Beschriftung zu erzielen. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Auftrag Stoffe enthält, die zur Kristallisation der Beschriftung führen.The object of the present invention is to achieve permanent labeling. This object is achieved in that the order contains substances which lead to the crystallization of the lettering.

Durch die Kristallisation nach der Beschriftung bzw. beim Gebrauch bleibt die Beschriftung dauerhaft erhalten.The lettering remains due to the crystallization after the lettering or during use preserved permanently.

Als gesonderte Zusatzstoffe können z. B. Zirkoniumoxyd, Titanoxyd und Fluor verwendet werden. Sie können ganz oder teilweise entfallen, falls das Flußmittel zur Kristallisation neigt.As separate additives such. B. zirconium oxide, titanium oxide and fluorine used become. They can be omitted in whole or in part if the flux for crystallization inclines.

Anhand eines schematisch dargestellten Ausführungsbeispieles sei die Erfindung näher erläutert, wobei Fig. 1 die Beschriftungsanordnung und Fig. 2 den Auftrag zeigen.The invention will be explained in more detail with reference to a schematically illustrated exemplary embodiment, with FIG. 1 showing the labeling arrangement and FIG. 2 showing the order.

Ein keramischer Träger 1, z. B. ein Hochtemperaturwiderstand aus Al2O3 mit einer Betriebstemperatur von 900 Grad Celsius soll mit einer Beschriftung 2 versehen werden. Diese Beschriftung entsteht durch die entsprechende Einwirkung des steuerbaren Laserstrahles 4 eines Infrarotlasers auf ein aufgetragenes Gemisch aus eigentlicher Farbe a (z. B. Metalloxyde), Flußmittel b und ggf Energieabsorber c, (z. B. SnO, TiO2). Der Energieabsorber kann entfallen, falls die Farbe absorbiert.A ceramic support 1 , e.g. B. a high temperature resistor made of Al 2 O 3 with an operating temperature of 900 degrees Celsius should be provided with a label 2 . This inscription is created by the corresponding action of the controllable laser beam 4 of an infrared laser on an applied mixture of the actual color a (e.g. metal oxides), flux b and possibly energy absorber c (e.g. SnO, TiO 2 ). The energy absorber can be omitted if the color absorbs.

Zur Kristallisation der Beschriftung 2 auf dem Träger 1 werden ggf dem Gemisch Zirkoniumoxyd, Titanoxyd und Fluor als Zusatzstoffe beigemengt.For the crystallization of the inscription 2 on the carrier 1 , zirconium oxide, titanium oxide and fluorine may be added to the mixture as additives.

Als Träger der Beschriftung können auch Glas und Metall, z. B. Schmiede­ eisen in Betracht kommen.Glass and metal, eg. B. Forge iron come into consideration.

Claims (3)

1. Verfahren zur dauerhaften Beschriftung von hochtemperaturbeanspruchten Materialien, bei dem durch einen Infrarotlaser ein Auftrag aus Flußmittel und eigentlicher Farbe entsprechend der gewünschten Beschriftung erhitzt wird, dadurch gekennzeichnet, daß der Auftrag (a, b, c) Stoffe (d) enthält, die zur Kristallisation der Beschriftung (2) führen.1. A method for the permanent labeling of high-temperature materials, in which an order of flux and actual color is heated according to the desired labeling by an infrared laser, characterized in that the order (a, b, c) contains substances (d) which are used for Crystallize the label ( 2 ). 2. Verfahren nach Anspruch 1, dadurch daß als Zusatzstoffe (d) Zirkoniumoxyd, Titanoxyd und Fluor oder deren Kombinationen dienen.2. The method according to claim 1, characterized in that as Additives (d) zirconium oxide, titanium oxide and fluorine or their combinations serve. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Auftrag einen gesonderten Energieabsorber enthält.3. The method according to claim 1, characterized in that the Order contains a separate energy absorber.
DE2000150166 2000-10-10 2000-10-10 IR laser-heated surface markings applied to materials to be subjected to high temperatures are made long lasting by including a crystallization-promoting substance, eg zirconium- or titanium-oxide Withdrawn DE10050166A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2000150166 DE10050166A1 (en) 2000-10-10 2000-10-10 IR laser-heated surface markings applied to materials to be subjected to high temperatures are made long lasting by including a crystallization-promoting substance, eg zirconium- or titanium-oxide
EP01123825A EP1197346A3 (en) 2000-10-10 2001-10-05 Process of permanent writing on high temperature materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2000150166 DE10050166A1 (en) 2000-10-10 2000-10-10 IR laser-heated surface markings applied to materials to be subjected to high temperatures are made long lasting by including a crystallization-promoting substance, eg zirconium- or titanium-oxide

Publications (1)

Publication Number Publication Date
DE10050166A1 true DE10050166A1 (en) 2002-04-11

Family

ID=7659286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000150166 Withdrawn DE10050166A1 (en) 2000-10-10 2000-10-10 IR laser-heated surface markings applied to materials to be subjected to high temperatures are made long lasting by including a crystallization-promoting substance, eg zirconium- or titanium-oxide

Country Status (2)

Country Link
EP (1) EP1197346A3 (en)
DE (1) DE10050166A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5242032B2 (en) * 2006-09-07 2013-07-24 アイシン精機株式会社 Fuel cell components

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD201136A1 (en) * 1981-09-09 1983-07-06 Gottfried Boden METHOD FOR PRODUCING COLORED DECORS ON GLASS OR CERAMIC ARTICLES
DE59002516D1 (en) * 1989-04-06 1993-10-07 Ciba Geigy Laser marking of ceramic materials, glazes, ceramic glasses and glasses.
FR2645982B1 (en) * 1989-04-14 1991-06-14 Alcatel Espace DEVICE FOR REGULATING AN ELECTRIC PARAMETER DURING A TRANSFER OF ENERGY BETWEEN TWO NETWORKS
US6075223A (en) * 1997-09-08 2000-06-13 Thermark, Llc High contrast surface marking

Also Published As

Publication number Publication date
EP1197346A2 (en) 2002-04-17
EP1197346A3 (en) 2004-06-23

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