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Subject: Re: Vacuum Coating as a Hobby?

Date: 03/20/00 at 9:22 AM
Posted by: Mike Gray
E-mail: mike@win.bright.net
Message Posted:

In Reply to: Re: Vacuum Coating as a Hobby? posted by wcteng on 03/20/00 at 8:39 AM:

Thank you very much for your response. My pump is an old Kinney KC8 2-stage pump that is rated (brand new) at about 1micron. I measured my system (pump, bell jar, and interconnecting hose) with a thermocouple gauge, and it will get down to about 10 microns after about an hour of pumping. I need to check the system for real and virtual leaks. I haven't ever done that.
My other concern is finding metal targets at a reasonable price. I attempted sputtering with copper a few years ago, and had limited success with it. Copper sputters quite slowly, compared to silver and gold. I will also look around for a bottle of Argon, with regulator. I'm sure my limited success with copper was mainly due to my using plain air for purge. I was probably depositing
copper oxide along with the pure metal! I have a lot of learning to do. Thanks again for the input!!

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