Femtosecond laser-assisted etching of Pyrex glass with aqueous solution of KOH

Shigeki Matsuo, Haruki Sumi, Satoshi Kiyama, Takuro Tomita, Shuichi Hashimoto

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


A femtosecond laser-assisted etching technique was applied to Pyrex glass, a kind of borosilicate glass, to perform removal processing with three-dimensional arbitrarity in design and micrometer-order spatial resolution. An aqueous solution of potassium hydroxide (KOH) was adopted as a highly selective etchant. The rate and selectivity of etching were evaluated from in situ images, and fabrication of three-dimensional microchannels was demonstrated.

Original languageEnglish
Pages (from-to)9758-9760
Number of pages3
JournalApplied Surface Science
Issue number24
Publication statusPublished - 2009 Sept 30
Externally publishedYes


  • Femtosecond laser-assisted etching
  • Potassium hydroxide (KOH)
  • Pyrex glass
  • Selective etching

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films


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