Natali Oster

3 Questions 1 Answers 0 Followers

Questions related from Natali Oster

How to improve adhesion of thick SU8 layer to copper seed layer ?

How the adhesion of thick SU8 to copper seed layer can be improved ? And which SU8 resist would you recommend for MEMS ? Thank you.

06 March 2024 4,995 1 View

How to prevent of SU8 peeling of wafer during development ?

I am using SU8 GM 1070, 70um thikness, soft baked by datasheet. I am exposing a relatevly large area on 4" wafer and during development the exposed SU8 area peels off. The resist is span on a...

27 April 2023 9,870 0 View

Hi, I need to do plasma etching for ZnS glass through a mask. May be someone can give some advice about the etching parametrs and what mask to use?

The callenge with any metall mast is that I usually use some kind of acid to remove it later, and ZnS glass is must not be treated with acids.

04 April 2018 9,776 2 View