Activation assembly, button, and keyboard

A button, comprising:

• a support base;
• a substrate, mounted on the support base and having a circuit;
• an activation assembly, comprising:
• a flexible guiding component, comprising a covering portion, a first contact portion, and a second contact portion, wherein the covering portion has a plurality of openings a first surface and a second surface located opposite to the first surface, the covering portion is mounted on the substrate, the first contact portion and the second contact portion respectively protrude from the first surface and the second surface;
• and
• an elastic component, comprising a coupling portion and a plurality of support portions, wherein the coupling portion is connected to the covering portion, the coupling portion of the elastic component is attached on the second surface of the covering portion and the second contact portion is disposed through a hole of the coupling portion, or the coupling portion of the elastic component is embedded in the covering portion and located between the first surface and the second surface of the covering portion, the plurality of support portions are connected to the coupling portion and are respectively located in the plurality of openings;
• a restoring component, wherein a side of the restoring component is mounted on the support base;
• and
• a keycap, mounted on another side of the restoring component, wherein the keycap is movable relative to the support base via the restoring component to move the second contact portion of the activation assembly to touch the circuit.

A keyboard, comprising:

• a casing;
• and
• a plurality of buttons disposed on the casing, wherein each of the plurality of buttons comprises:
• a support base;
• a substrate, mounted on the support base and having a circuit;
• an activation assembly, comprising:
• a flexible guiding component, comprising a covering portion, a first contact portion, and a second contact portion, wherein the covering portion has a plurality of openings, a first surface and a second surface located opposite to the first surface, the covering portion is mounted on the substrate, the first contact portion and the second contact portion respectively protrude from the first surface and the second surface;
• and
• an elastic component, comprising a coupling portion and a plurality of support portions, wherein the coupling portion is connected to the covering portion, the coupling portion of the elastic component is attached on the second surface of the covering portion and the second contact portion is disposed through a hole of the coupling portion, or the coupling portion of the elastic component is embedded in the covering portion and located between the first surface and the second surface of the covering portion, the plurality of support portions are connected to the coupling portion and are respectively located in the plurality of openings;
• a restoring component, wherein a side of the restoring component is mounted on the support base;
• and
• a keycap, mounted on another side of the restoring component, wherein the keycap is movable relative to the support base via the restoring component to move the second contact portion of the activation assembly to touch the circuit.