FIELD: instrument making.
SUBSTANCE: ball-shape metal substrate is made from titanium, beryllium on alloy thereof. Protective coat is applied on said substrate made, from material with rust-proofing properties in salt solution. Two layers are applied on protective coat surface, one being made on another. Said layers are made from materials with different critical temperature of transition in superconducting state. Note here that inner layer material features higher critical temperature than outer layer material. Finally, produced surface is finished mechanically and electrochemically.
EFFECT: higher and stable performances, decreased weight.
5 cl, 2 dwg, 1 tbl, 7 ex
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