Electronic component with mechanically decoupled ball connections

An electronic component including at least one chip and/or one support, the chip configured to be transferred onto the support and linked, at a level of at least one connection site of the chip, formed by at least one portion of a layer of the chip, to at least one connection site of the support formed by at least one portion of a layer of the support, by at least one ball, the chip and/or the support including a mechanism for mechanical decoupling of the connection site of the chip and/or of the support with respect to the chip and/or to the support, which mechanism includes at least one cavity made in the layer of the chip and/or of the support, under the connection site of the chip and/or of the support, and at least one trench, made in the layer of the chip and/or of the support, communicating with the cavity.