Looking on the internet deeply has found these results:

sputter mask is the most popular phrase on the web.

sputtering mask 11,310 results on the web	sputter mask 12,220 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
If you give in, my lords, the bright comet that is our faith will shatter and be reduced to a few isolated torches, sputtering in a dark universe. TIM: Just let... (ENGINE SPUTTERING) Looked like you might have been sputtering out back there. Mercury used as a cathode sputtering inhibitor in DC plasma displays with a content up to 30 mg per display until 1 July 2010. Quit sputtering and muttering and stammering and boring me. (sputtering) (deep voice): metallised by sputtering with copper on one side or on both sides, (sputtering) And that's my bad leg.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

sputtering mask

11,310 results on the web

sputter mask

12,220 results on the web

More popular!

If you give in, my lords, the bright comet that is our faith will shatter and be reduced to a few isolated torches, sputtering in a dark universe.
TIM: Just let... (ENGINE SPUTTERING)
Looked like you might have been sputtering out back there.
Mercury used as a cathode sputtering inhibitor in DC plasma displays with a content up to 30 mg per display until 1 July 2010.
Quit sputtering and muttering and stammering and boring me.
(sputtering) (deep voice):
metallised by sputtering with copper on one side or on both sides,
(sputtering) And that's my bad leg.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.