Keyboard

A keyboard, comprising:

• a base plate, comprising:
• a first part and a second part;
• and
• an inclined part, having an upper edge and a lower edge, the upper edge being connected to the first part, the lower edge being connected to the second part, the upper edge and the lower edge extending along an axial direction, the inclined part comprising at least one hollow portion and at least one limiting portion, the limiting portion extending from the upper edge toward the lower edge, a lower surface of the limiting portion facing toward the hollow portion;
• and
• a thin film circuit board, disposed on the base plate, the thin film circuit board comprising:
• a first region, located on the first part;
• a second region, located on the second part;
• and
• at least one connecting portion, having a first connecting end, a second connecting end, and an inclined segment, the first connecting end being connected to the first region, the second connecting end being connected to the second region, the first connecting end and the second connecting end corresponding to different positions on the axial direction, the inclined segment being located between the first connecting end and the second connecting end, part of the inclined segment being located in the hollow portion, part of inclined segment being located under the limiting portion.