Patent ID: 11877725
Assignee: nan
Field: Materials, metallurgy (Chemistry)
Classification: CPC A  C  B | IPC A  B  C

Claim 0:
1. A method of producing a housing for a medical device comprising:
providing a molten casting aluminum alloy including a maximum of 0.3% Si by weight and at least 5% Zn by weight;
providing a casting mold including investment material;
casting the aluminum alloy in the mold under vacuum to create a component and removing the investment material from the component;
post-machining the cast component to meet a desired specification;
after post-machining the component, performing a surface finishing sufficient to remove impurities on casting surfaces by at least 2 mils; and
coating the component with a micro-crystalline aluminum anodic coating of at least 0.5 mil thickness.