Invention Grant
- Patent Title: Method for incorporating a structure into a surface of a transparent workpiece
- Patent Title (中): 将结构结合到透明工件的表面中的方法
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Application No.: US12596521Application Date: 2008-04-10
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Publication No.: US08399798B2Publication Date: 2013-03-19
- Inventor: Christoph Stahr
- Applicant: Christoph Stahr
- Applicant Address: DE
- Assignee: Panasonic Electric Works Europe AG
- Current Assignee: Panasonic Electric Works Europe AG
- Current Assignee Address: DE
- Agency: Studebaker & Brackett PC
- Agent Donald R. Studebaker
- Priority: DE102007018402 20070417
- International Application: PCT/EP2008/002840 WO 20080410
- International Announcement: WO2008/125273 WO 20081023
- Main IPC: B23K26/00
- IPC: B23K26/00

Abstract:
The invention relates to a method for incorporating a structure into a surface of a workpiece that is transparent in a certain wavelength range. For this purpose the surface to be structured is brought into contact with a target surface containing a target material by means of a laser beam, the wavelength of which is within the certain wavelength range, energy is introduced at least at one position through the workpiece and into the boundary region of the surface to be structured and the target surface such that target material is deposited at the respective position in and/or on the surface to be structured. For this purpose a pulsed laser beam having a pulse repetition rate of more than 10 kHz is used, which is focused such that the focus is positioned on or under the target surface, wherein the laser beam has a power density in the focus of more than 2000 W/mm2. The invention further relates to a device for introducing a structure into a surface of a workpiece transparent in a certain wavelength range.
Public/Granted literature
- US20100108651A1 METHOD FOR INCORPORATING A STRUCTURE INTO A SURFACE OF A TRANSPARENT WORKPIECE Public/Granted day:2010-05-06
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