RU2015132997A - Method for color marking the surface of a metal or its alloy with laser pulsed radiation - Google Patents

Method for color marking the surface of a metal or its alloy with laser pulsed radiation Download PDF

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Publication number
RU2015132997A
RU2015132997A RU2015132997A RU2015132997A RU2015132997A RU 2015132997 A RU2015132997 A RU 2015132997A RU 2015132997 A RU2015132997 A RU 2015132997A RU 2015132997 A RU2015132997 A RU 2015132997A RU 2015132997 A RU2015132997 A RU 2015132997A
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RU
Russia
Prior art keywords
specific power
modified
metal
calibration curve
color
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RU2015132997A
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Russian (ru)
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RU2616703C2 (en
Inventor
Вадим Павлович Вейко
Галина Викторовна Одинцова
Юлия Юрьевна Карлагина
Эдуард Игоревич Агеев
Ярослава Михайловна Андреева
Елена Васильевна Горбунова
Original Assignee
федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики" (Университет ИТМО)
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Priority to RU2015132997A priority Critical patent/RU2616703C2/en
Publication of RU2015132997A publication Critical patent/RU2015132997A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/18—Working by laser beam, e.g. welding, cutting or boring using absorbing layers on the workpiece, e.g. for marking or protecting purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/351—Working by laser beam, e.g. welding, cutting or boring for trimming or tuning of electrical components

Claims (3)

1. Способ цветной маркировки поверхности металлов лазерным импульсным излучением, включающий воздействие на обрабатываемую поверхность излучением лазера с наносекундной длительностью импульса, перемещаемого по заданной программе построчного сканирования поверхности, и последующее охлаждение поверхности в воздушной среде, использующий предварительно построенную экспериментальную градуировочную кривую зависимости цвета модифицированной поверхности образца заданного металла или его сплава от удельной мощности падающего на поверхность упомянутого излучения при возрастании упомянутой удельной мощности от величины 10-10 Дж/(см2⋅с) до величины, при которой модифицированная поверхность приобретает черный цвет, и последующее воздействие на поверхность при величине удельной мощности, соответствующей выбранному цвету модифицированной поверхности, отличающийся тем, что построение градуировочной кривой проводят при ограниченном количестве дискретных значений удельной мощности из указанного диапазона, измеряют спектры отражения модифицированных областей и проводят анализ полученных спектров отражения, из которого по смещению экстремумов коэффициентов отражения определяют всю палитру возможных цветов.1. A method for color marking a metal surface with laser pulsed radiation, including applying a nanosecond laser pulse to a surface to be treated using a given line-by-line scanning program for the surface, and then cooling the surface in air using a previously constructed experimental calibration curve for the color of the modified sample surface of a given metal or its alloy from the specific power incident on the turn NOSTA said radiation at said power density increases from the value of 10 -10 J / (cm 2 ⋅s) to a value at which the modified surface becomes black, and the subsequent impact on a surface at a specific power value corresponding to the selected color of the modified surface, wherein that the construction of the calibration curve is carried out with a limited number of discrete values of specific power from the specified range, the reflection spectra of the modified regions are measured and t analysis of the obtained reflection spectra, from which the entire palette of possible colors is determined by the shift of the extrema of the reflection coefficients. 2. Способ по п. 1, отличающийся тем, что оксидные пленки формируют за счет многопроходовых режимов облучения, при этом время между последовательными проходами составляет величину, при которой перед каждым последующим проходом (линия вдоль которой происходит модификация) материал остывает до исходной температуры.2. The method according to p. 1, characterized in that the oxide films are formed due to multi-pass irradiation modes, the time between successive passes being the amount at which the material cools down to the initial temperature before each subsequent pass (the line along which the modification occurs). 3. Способ по п. 1, отличающийся тем, что построение градуировочной кривой проводят при не менее трех и не более шести значениях удельной мощности.3. The method according to p. 1, characterized in that the construction of the calibration curve is carried out with at least three and no more than six values of specific power.
RU2015132997A 2015-08-07 2015-08-07 Method of colour marking of metal or its alloy surface with laser pulsed radiation RU2616703C2 (en)

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RU2015132997A true RU2015132997A (en) 2017-02-10
RU2616703C2 RU2616703C2 (en) 2017-04-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2696804C1 (en) * 2018-12-20 2019-08-06 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики" (Университет ИТМО) Method of surface marking with controlled periodic structures

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10723160B2 (en) * 2018-01-23 2020-07-28 Ferro Corporation Carbide, nitride and silicide enhancers for laser absorption

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4762471B2 (en) * 1999-11-11 2011-08-31 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Marking of anodized layers made of aluminum objects
SG122749A1 (en) * 2001-10-16 2006-06-29 Inst Data Storage Method of laser marking and apparatus therefor
RU2287414C1 (en) * 2005-05-27 2006-11-20 Общество с ограниченной ответственностью "Лазерный Центр" Method for laser modification of surface of metal or its alloy
GB201221184D0 (en) * 2012-11-24 2013-01-09 Spi Lasers Uk Ltd Method for laser marking a metal surface with a desired colour
WO2014080157A1 (en) * 2012-11-24 2014-05-30 Spi Lasers Uk Limited Method for laser marking a metal surface with a desired colour
RU2013111640A (en) * 2013-03-07 2014-09-20 Закрытое акционерное общество "Научные приборы" METHOD FOR PERFORMING LASER MARKING
FI20135385L (en) * 2013-04-18 2014-10-19 Cajo Tech Oy Color marking of metal surfaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2696804C1 (en) * 2018-12-20 2019-08-06 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики" (Университет ИТМО) Method of surface marking with controlled periodic structures

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