1. This paper describes a new crosshatching technology on PI flexible substrate, using chemically etching method.
   本文介绍一种在挠性聚酰亚胺基材上开窗口的新工艺。
2. Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).
   协助工程师进行材料测试,报告以及分析.
3. Using the etching needle, litho crayon, various aquatint solutions, or greasy tusche washes on copperplates or lithostones, artist such as John Cage, E.
   使用刻针，石版画有色粉笔，各种凹铜版腐蚀制版法，或者用多脂制版墨粉刷到铜板或石版上。
4. The composition and characteristic of liquid photo imageable etching resist ink is introduced briefly, and the perfect blueprint is also described in this paper.
   综述了液态光致抗蚀油墨的组成、特性及其诱人的发展前景。
5. Finally, a mechanism of AC etching for aluminum foil in HCl and a theoretical rule for choosing electroetching conditions were suggested on the results.
   根据这一机理，提出了铝箔的交流腐蚀工艺优化原则，并用实验对这一原则进行了初步验证。
6. Because the distribution of molecular director was not affected by lamellar decorating after quench, chemical etching and SEM technique were used to reveal disclination and director patterns.
   由于样品淬火后晶片装饰在织构上而不影响分子取向矢的分布,因而可以用化学刻蚀和电镜技术揭示其向错和取向矢图。

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