small in coefficient of thermal expansion. Conventionally, the metallic holders are made of iron-nickel-cobalt alloy and several sorts of stainless steel. The iron-nickel-cobalt alloy is called by its trade name “Kovar”, and the stainless steel is, by way of example, SUS304, SUS316 and ...
small in coefficient of thermal expansion. Conventionally, the metallic holders are made of iron-nickel-cobalt alloy and several sorts of stainless steel. The iron-nickel-cobalt alloy is called by its trade name “Kovar”, and the stainless steel is, by way of example, SUS304, SUS316 and ...