Method and system for manufacturing electronic device, electronic device, and electro-optical apparatus

A system for manufacturing an electronic device, comprising:

• a processing unit that processes a plurality of lots each having a plurality of work pieces, the processing unit including:
• a time measuring unit that measures a processing time required to process each lot of work pieces;
• an environmental information measurement module that measures environmental information corresponding to the processing time of each lot;
• and
• a communication module that transmits and receives;
• and
• a work information management unit that communicates with the communication module of the processing unit, the work information management unit receiving the processing time and the environmental information of the work pieces of the lot from the communication module of the processing unit, the work information management unit having a storage module corresponding to each lot, the storage module storing the processing time and the environmental information of the work pieces of the lot from the communication module.