I see that your shadow masks are nominally brass with a nickel coating, with thickness varying from 0.002″-0.01″. Does this mean that the thickness of the mask can vary in thickness by this much over its area? Or are these the options of mask thickness we can choose from? If the latter, is 0.005″ the standard thickness?

5-mil and 10-mil standard thickness. We strongly suggest not going below .005” thick (very delicate).

I see that your shadow masks are nominally brass with a nickel coating, with thickness varying from 0.002″-0.01″. Does this mean that the thickness of the mask can vary in thickness by this much over its area? Or are these the options of mask thickness we can choose from? If the latter, is 0.005″ the standard thickness?2021-02-19T21:17:46+00:00

Do you coat the gold on top of the nickel-covered brass? And with the Pyromark flat black paint, is that also a coating on top of the nickel? Also, what are the advantages of using the pyromark? I am planning on depositing titanium with evaporation using this mask; will the coatings/mask be able to thermally withstand the evaporation? If you have any recommendations as to what coating option we should use, please let me know.

We can encapsulate the substrate in Au, Ni, or both. Pryomark is an optical black coating for VIS and IR wavelengths. As far as temperature [...]

Do you coat the gold on top of the nickel-covered brass? And with the Pyromark flat black paint, is that also a coating on top of the nickel? Also, what are the advantages of using the pyromark? I am planning on depositing titanium with evaporation using this mask; will the coatings/mask be able to thermally withstand the evaporation? If you have any recommendations as to what coating option we should use, please let me know.2021-02-19T21:16:22+00:00

When I order photomasks I have an order form that I use to list my specifications (i.e what layers to use, critical dimensions, mask polarity, etc.). Is there analogous form for ordering shadow masks? If not, how should I list my mask specifications and what specific information should I be providing?

We don’t use a mask order form for shadow masks. We would just need how many you need? What is the smallest feature size on [...]

When I order photomasks I have an order form that I use to list my specifications (i.e what layers to use, critical dimensions, mask polarity, etc.). Is there analogous form for ordering shadow masks? If not, how should I list my mask specifications and what specific information should I be providing?2021-02-11T21:32:47+00:00

How is the edge profile of the patterned features? I see from the images on your website that the edge is very thin. Is that the nickel coating? How far does that thin feature extend, and is it enough to not reduce feature size if depositing at an angle?

Yes, the edge on the website is nickel coating. The backside (or blurb-side) is around 70 microns per edge, plus the thickness of material. The [...]

How is the edge profile of the patterned features? I see from the images on your website that the edge is very thin. Is that the nickel coating? How far does that thin feature extend, and is it enough to not reduce feature size if depositing at an angle?2021-02-10T22:56:58+00:00

During deposition, would we mount the shadowmask control-side down or control-side up? In the end this would really be up to us right? I imagine that with the control side down we would definitely get sharper device feature edges.

Control side down.

During deposition, would we mount the shadowmask control-side down or control-side up? In the end this would really be up to us right? I imagine that with the control side down we would definitely get sharper device feature edges.2019-01-25T16:25:48+00:00

Do you have any recommendations for cleaning thinner shadowmask substrates? Are there processes that we should avoid using (i.e. sonication) for 0.002″ thick brass base substrates?

That really depends upon the type of material deposition. The mask is fairly robust and can withstand most cleaning methods as long as care is [...]

Do you have any recommendations for cleaning thinner shadowmask substrates? Are there processes that we should avoid using (i.e. sonication) for 0.002″ thick brass base substrates?2019-01-25T16:23:23+00:00
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