Yong Zhou

3 Questions 6 Answers 0 Followers

Questions related from Yong Zhou

The etch selective ratio between SPR220-7 and common substrates?

I am working on a lithography process using spr220-7 photoresist. I want to know the etching method of spr220-7 photoresist. I want to have specific dosage parameters and etching rate. In...

14 June 2022 3,464 2 View

Speckle size of linear scattering pattern ?

After the Powell prism is irradiated by the laser, a one-dimensional linear laser with one-dimensional divergent is formed. What is the speckle size formula of the speckle pattern obtained by the...

19 November 2021 9,229 6 View

Recommend some photoresist suitable for dip coating?

I want to coat photoresist on the silica through dip coating method. please recommend some photoresist suitable for dip coating

18 November 2021 6,800 3 View