Electronic-component mounted body, electronic component, and circuit board

An electronic-component mounted body comprising:

• an electronic component having a plurality of component-side electrode terminals;
• a circuit board having a plurality of circuit-board side electrode terminals for the component-side electrode terminals, the electronic component being mounted on the circuit board;
• a plurality of protruded electrodes formed respectively on the circuit-board side electrode terminals on the circuit board to electrically connect the electronic component and the circuit board;
• at least one dummy electrode formed on the circuit board and electrically connected to the circuit-board side electrode terminal in a predetermined position out of the circuit-board side electrode terminals, wherein
• the protruded electrode on the circuit-board side electrode terminal in the predetermined position electrically connected to the at least one dummy electrode is higher than the protruded electrodes on the circuit-board side electrode terminals in different positions from the predetermined position.

An electronic component comprising:

• a plurality of component-side electrode terminals;
• at least one dummy electrode electrically connected to the component-side electrode terminal in a predetermined position out of the component-side electrode terminals;
• and
• a plurality of protruded electrodes formed respectively on the component-side electrode terminals, wherein
• the protruded electrode on the component-side electrode terminal in the predetermined position electrically connected to the at least one dummy electrode is higher than the protruded electrodes on the component-side electrode terminals in different positions from the predetermined position.

A circuit board comprising:

• a plurality of circuit-board side electrode terminals;
• at least one dummy electrode electrically connected to the circuit-board side electrode terminal in a predetermined position out of the circuit-board side electrode terminals;
• and
• a plurality of protruded electrodes formed respectively on the circuit-board side electrode terminals, wherein
• the protruded electrode on the circuit-board side electrode terminal in the predetermined position electrically connected to the at least one dummy electrode is higher than the protruded electrodes on the circuit-board side electrode terminals in different positions from the predetermined position.