[labnetwork] [EXTERNAL] Question about Marz grade Aluminum from MRC

[Subhadra Gupta]

Hi Rob,

I worked at MRC from 1985 to when it was sold in 1997. Marz grade is 5 9’s pure or 99.999%, just as you found out.

Best regards,
Su

Dr. Subhadra Gupta
Fellow, American Vacuum Society
Professor Emerita, Metallurgical and Materials Engineering,
University of Alabama
Tuscaloosa, AL 35487.
(205) 329-4476



Sent from my iPhone

On Apr 18, 2024, at 12:48 PM, Robert Vandusen <RobertVandusen at cunet.carleton.ca> wrote:


Hi everyone.
We have some MARZ grade Aluminum evaporation slugs from MRC which we are hoping to use.
There is nothing else on the container indicating purity.  The PN is 20-101E-AL000-1000
I found one paper referring to MRC MZ Aluminum as 5-9s (99.999%),  but I haven’t been able to find any other information online on the purity of this MZ grade AL.
We could have it tested but just wondering if anyone out there knows for sure?

Thanks
Rob
Robert Vandusen
Technical Officer, Microfabrication Lab
Electronics Department
Carleton University
room: 4184 Mackenzie Building
613-520-2600<tel:613-520-2600> ext 5761
Robert_vandusen at cunet.carleton.ca<mailto:Robert_vandusen at cunet.carleton.ca>

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