Patent ID: 7047094

Claim:
An LSI mask manufacturing system, comprising: a network: a user terminal; a host terminal configured to be connected to the network; lithography units configured to be connected to the host terminal; and a portal site server configured to be connected to the network and the user terminal comprising; a lithography data receiving unit configured to receive lithography data and a lithography reservation condition for a lithography process from the user terminal; a lithography data database configured to store the lithography data; a lithography unit database configured to store performance information for at least one of the lithography units; a lithography unit searching unit configured to search for a lithography unit matching the lithography reservation condition, generate a list of lithography units, and send the list to the user terminal; and a lithography unit reservation unit configured to receive a specification of a lithography unit from the user terminal and send a lithography request to the lithography unit specified by the user terminal.