A novel absorptive thin film for laser welding in optoelectronic device capsulation

JIANG Shao-ji; JIN Tao; LI Wei-duo; WANG He-zhou

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A novel absorptive thin film for laser welding in optoelectronic device capsulation

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- A novel absorptive thin film for laser welding in optoelectronic device capsulation
- A novel absorptive thin film for laser welding in optoelectronic device capsulation
- 光学精密工程 2005年13卷第4期页码：492-499
- 作者机构：
  
  State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-Sen University, Guangzhou 510275,China
- 作者简介：
- 基金信息：
- DOI：
  中图分类号：
- 收稿日期：2005-06-06，
  
  修回日期：2005-06-16，
  
  网络出版日期：2005-08-30，
  
  纸质出版日期：2005-08-30
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JIANG Shao-ji, JIN Tao, LI Wei-duo, 等. A novel absorptive thin film for laser welding in optoelectronic device capsulation[J]. 光学精密工程, 2005,13(4):492-499.

JIANG Shao-ji, JIN Tao, LI Wei-duo, et al. A novel absorptive thin film for laser welding in optoelectronic device capsulation[J]. Optics and precision engineering, 2005, 13(4): 492-499.
JIANG Shao-ji, JIN Tao, LI Wei-duo, 等. A novel absorptive thin film for laser welding in optoelectronic device capsulation[J]. 光学精密工程, 2005,13(4):492-499. DOI：

JIANG Shao-ji, JIN Tao, LI Wei-duo, et al. A novel absorptive thin film for laser welding in optoelectronic device capsulation[J]. Optics and precision engineering, 2005, 13(4): 492-499. DOI：

摘要

A kind of absorptive thin film was designed and used in laser welding of SiO

Si and LiNbO

. This absorptive thin film of three-layer metal-dielectric-metal structure is designed for further reducing the high reflectance of the Nd:YAG laser beam on the surface of the tin layer that is utilized as solder between the transparent parent materials. The actual absorption of laser energy in experiment exceeds 99%. This combination of absorber and solder transformed the laser energy into heat efficiently and decreased the minimum necessary incident laser power transmitting through the transparent parent materials. As a result

the damage of the parent materials

which is suffered from laser transmission

was avoided; On the other hand

mechanical stability of the welded materials had been improved. Experiment had been made to show the difference between welding with and without the absorptive thin film.

Abstract

A kind of absorptive thin film was designed and used in laser welding of SiO

Si and LiNbO

the damage of the parent materials

which is suffered from laser transmission

was avoided; On the other hand

mechanical stability of the welded materials had been improved. Experiment had been made to show the difference between welding with and without the absorptive thin film.

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references

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