Carrier tray and method for manufacturing thereof

A method for manufacturing a carrier tray, comprising:

• softening a plastic film having thermoplastic properties and disposing the plastic film on a first mold, wherein the first mold comprises a top surface and a first lateral surface, the top surface comprises a recession and a first edge, the first lateral surface is connected to the top surface and extends from the first edge, and the first lateral surface and the top surface form a first included angle therebetween;
• attaching the plastic film to the top surface and the first lateral surface;
• disposing a restorer on an outer side of the first mold such that the plastic film attached to the first lateral surface is disposed between the first lateral surface and the restorer;
• removing the first mold from the plastic film, wherein a portion of the plastic film is pushed by the first lateral surface such that the restorer is moved from an initial position to a final position;
• pushing the plastic film from the final position to the initial position by the restorer;
• and
• cooling the plastic film.