Method for electrolessly gilding surface of glass selectively

A glass surface, electroless gold plating technology, applied in the field of glass surface gold plating, can solve the problems of selective gold plating chemical gold plating firmness, not high, etc., to achieve stable chemical and physical properties, easy to miniaturize, and easy to integrate.

Inactive Publication Date: 2013-01-16
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a method for selective electroless gold plating on the surface of glass. On the basis of the above two technologies, combined with the advantages of femtosecond laser direct writing and electroless gold plating technology, selective gold plating on the glass surface is realized, which solves the problem of the previous techno

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of glass surface selective electroless gold plating method, the femtosecond laser used in the present invention is the commercial laser of Coherent company, used platform is the three-dimensional mobile platform of prior company, and used experimental device schematic diagram is referring to document: (Y.Liao, J.Song, E. Li, Y. Luo, Y. Shen, D. Chen, Y. Cheng, Z. Xu, K. Sugioka, and K. Midorikawa, Lab Chip 12 (2012): 746–749.) Fig.1(a), the The method includes the following steps:

[0024] (1) Place the glass workpiece cleaned by ultrasonic cleaning with water on a three-dimensional mobile platform that can be controlled by computer programming, and use a 20× objective lens with a numerical aperture of 0.45 to direct the femtosecond laser (wavelength: 800nm, pulse width: 40fs, repetition rate: 250KHZ) to focus on the glass surface, then adjust the energy attenuator to adjust the average power of the femtosecond laser to 150-300mw, the scanning speed can be adjust...

Embodiment 2

[0032] This embodiment includes the following steps:

[0033] (1) Place the glass workpiece cleaned by ultrasonic cleaning with water on a three-dimensional mobile platform that can be controlled by computer programming, and use a 50× objective lens with a numerical aperture of 0.6 to direct the femtosecond laser (wavelength: 800nm, pulse width: 40fs, repetition rate: 250KHZ) focus on the glass surface and then adjust the energy attenuator to adjust the average power to 200mw. The scanning speed can be adjusted through the computer program, and the selection range is 50μm / s. The femtosecond laser scans the glass workpiece according to the required pattern (such as straight grooves, "Ω"-shaped structures, etc.);

[0034] (2) Ultrasonic clean the processed glass workpiece with acetone for more than 1 minute, absolute ethanol for more than 1 minute, distilled water for more than 1 minute, and then air-dry with nitrogen;

[0035] (3) Coating silver nitrate solution on the geometr...

Embodiment 3

[0041] This embodiment includes the following steps:

[0042] (1) Place the glass workpiece cleaned by ultrasonic cleaning with water on a three-dimensional mobile platform that can be controlled by computer programming, and use a 50× objective lens with a numerical aperture of 0.6 to direct the femtosecond laser (wavelength: 800nm, pulse width: 40fs, repetition rate: 250KHZ) focus on the glass surface and then adjust the energy attenuator to adjust the average power to 200mw. The scanning speed can be adjusted through the computer program, and the selection range is 100μm / s. The femtosecond laser scans the glass workpiece according to the required pattern (such as straight grooves, "Ω"-shaped structures, etc.);

[0043] (2) Ultrasonic clean the processed glass workpiece with acetone for more than 1 minute, absolute ethanol for more than 1 minute, distilled water for more than 1 minute, and then air-dry with nitrogen;

[0044] (3) Coating silver nitrate solution on the geomet...

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Abstract

The invention discloses a method for electrolessly gilding surface of glass selectively. The method comprises the following steps of: firstly, engraving to form a groove by using femtosecond laser; secondly, coating a silver nitrate solution in the formed groove; thirdly, irradiating the groove by using the femtosecond laser to decompose silver nitrate and deposit a silver atom in the groove; and finally, placing glass with the groove in which the silver atom is deposited into a prepared gold plating solution, gilding the glass at constant temperature for 0.5 to 1h, taking the gilded glass out, and washing and annealing the gilded glass. By the method, nanoscale gold lines which have high selectivity, adhesivity and conductivity and are embedded into the surface of the glass can be prepared.

Description

technical field [0001] The invention relates to gold plating on the glass surface, in particular to a selective electroless gold plating method on the glass surface. Background technique [0002] Lab-on-a-chip (lab-on-a-chip) is a chip on the order of centimeters or even microns that can realize various functions of general biochemical laboratories and physical optoelectronic integration functions. The realization of selective metallization on the chip surface can promote the integration of electrical functions in the chip lab. At present, the selective copper plating technology on the glass surface has been reported (see literature: J. Xu, Y. Liao, H. Zeng, Z. Zhou, H. Sun, J. Song, X. Wang, Y. Cheng, Z. Z. Xu, K. Sugioka and K. Midorikawa, Opt. Express 15 (2007): 12743-12748.) and selective gold plating on polystyrene surfaces Technology (see literature: Q.H.Zhou, H.W.Chen and Y.Wang, Electrochim.Acta 55(2010):2542-2549.), the former is easy to react with the solution whe...

Claims

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Application Information

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IPC IPC(8): C03C17/10
Inventor 宋江新廖洋刘昌宁林迪何飞林锦添程亚徐至展
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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