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US 12,312,667 B2Granted
Alloy ribbon and laminated core
AssigneeTDK Corporation
InventorsIsao Nakahata, Takuya Tsukahara
Life of this patent
Estimating the term…
Abstract
An alloy ribbon that is an alloy ribbon containing a metal as a main component, and has a recess on at least one principal surface, in which a depth of the recess is 5% or more and 75% or less of an average thickness.
Claims7
An alloy ribbon containing a metal as a main component and having two flat principal surfaces, comprising:
- a plurality of recesses formed on at least one principal surface of the two flat principal surfaces,
- wherein a depth of each of the recesses in the plurality of recesses is 5% or more and 75% or less of an average thickness averaged in a region where no recesses are formed,
- in an opening of each of the recesses in the plurality of recesses, a ratio of a major axis to a minor axis is more than 1.5,
- a direction of the major axis of each of the recesses in the plurality of recesses is aligned in one direction, and
- a shape of each opening of the recesses in the plurality of recesses is a wedge-shape or a rectangular shape.
2 more elements
Dependencies are inferred from the claim text.