Sami Lakka

4 Questions 2 Answers 0 Followers

Questions related from Sami Lakka

Mixing gas to parts-per-billion concentration?

We need to mix isoprene into room temperature air so that isoprene would have 40 ppb in volume. This would mean that we would have isoprene in the order of few micrograms per cubic meter. The...

01 January 2019 8,157 1 View

Transfer printing metals from silicon wafer to flexible substrates

I'm interested in transfer printing where thin sacrificial layer is deposited on top of a silicon wafer, and this sacrificial layer is metallized using physical vapor deposition. The idea is that...

05 May 2017 1,482 0 View

Is it possible in some simple way (relatively small currents) to permanently magnetize a thin (100 um thick) nickel film?

I'm interested in permanently magnetizing a small piece of Ni or Fe. The size of the piece is quite small with diameter of 1 mm and thickness around 100 um - 500 um. What are the field strengths...

04 April 2017 4,068 1 View

Degassing polymer thin films before deposition?

I'm having issues with sputter deposition on thin polymer films. We deposit a small amount of metal to a UV-cured acrylic urethane film (10 um thick) but the metal film shows cracking which is...

04 April 2017 2,091 3 View