Patent Number: 
Section: claims

1. A semiconductor equipment control system comprising:semiconductor equipment having a process recipe stored therein, said process recipe having a final modification time;a host connected to the semiconductor equipment through a network, said host having a database in which a reference recipe is stored, said reference recipe having a final modification time; andwherein said host is configured to compare the final modification time of the process recipe with the final modification time of the reference recipe to determine whether to perform a process according to the process recipe. 2. The semiconductor equipment control system according to claim 1, wherein:the host is configured to check a recipe body of the process recipe when the final modification time of the process recipe is different from the final modification time of the reference recipe; andthe host is configured to instruct the semiconductor equipment to perform the process according to the process recipe when the final modification time of the process recipe is equal to the final modification time of the reference recipe. 3. The semiconductor equipment control system according to claim 2, wherein the recipe body comprises a process environment, a process sequence, and a process type. 4. The semiconductor equipment control system according to claim 2, wherein the host is configured to check the recipe body of the process recipe by comparing values of the process recipe and the reference recipe and determining whether the values of the process recipe are within an acceptable tolerance range with respect to the values of the reference recipe. 5. The semiconductor equipment control system according to claim 4, wherein the host is configured to update a final modification time of the reference recipe and to perform a process according to the process recipe when the values of the process recipe are within tolerance of the reference recipe values, and wherein the host is configured to interlock the process when the values of the process recipe are not within tolerance of the reference recipe values. 6. A semiconductor equipment control method comprising:checking a final modification time of a process recipe stored in semiconductor equipment; andcomparing the final modification time of the checked process recipe with a final modification time of a reference recipe to determine whether or not to check a recipe body of the process recipe. 7. The semiconductor equipment control method according to claim 6, further comprising checking the recipe body of the process recipe when the final modification time of the process recipe is different from the final modification time of the reference recipe. 8. The semiconductor equipment control method according to claim 7, wherein the recipe body comprises a process environment, a process sequence, and a process type. 9. The semiconductor equipment control method according to claim 7, further comprising comparing a value of the process recipe with a value of the reference recipe, and determining whether the value of the process recipe is within an allowable tolerance range of the reference recipe value. 10. The semiconductor equipment control method according to claim 9, further comprising updating a final modification time of the reference recipe when the value of the process recipe is within the allowable tolerance range of the reference recipe value. 11. The semiconductor equipment control method according to claim 9, further comprising performing a process according to the process recipe when the value of the process recipe is within the allowable tolerance range of the reference recipe value. 12. The semiconductor equipment control method according to claim 9, further comprising interlocking the process when the value of the process recipe is not within the allowable tolerance range of the reference recipe value. 13. The semiconductor equipment control method according to claim 6, further comprising performing a process according to the process recipe when the final modification time of the process recipe is equal to the final modification time of the reference recipe. 14. The semiconductor equipment control method according to claim 6, wherein a plurality of chambers are arranged in the semiconductor equipment and wherein checking the final modification time of the process recipe is performed with respect to each chamber installed in the semiconductor equipment. 15. A semiconductor equipment control method comprising:requesting a final modification time of a process recipe from semiconductor equipment connected to a host through a network;providing information containing the final modification time of the process recipe from the semiconductor equipment to the host;comparing the final modification time of the process recipe with a final modification time of a corresponding reference recipe stored in the host; andtransmitting a control signal from the host to the semiconductor equipment to instruct the semiconductor equipment to perform a process according to the process recipe when the final modification time of the process recipe is equal to the final modification time of the reference recipe. 16. The semiconductor equipment control method according to claim 15, further comprising checking a recipe body of the process recipe when the final modification time of the process recipe is different from the final modification time of the reference recipe. 17. The semiconductor equipment control method according to claim 16, wherein the recipe body comprises a process environment, a process sequence, and a process type. 18. The semiconductor equipment control method according to claim 16, further comprising comparing a value of the process recipe with a value of the reference recipe, and determining whether the value of the process recipe is within a tolerance range of the reference recipe value. 19. The semiconductor equipment control method according to claim 18, further comprising:controlling the semiconductor equipment to perform a process according to the process recipe when the value of the process recipe is within the tolerance range of the reference recipe value; andcontrolling the semiconductor equipment to interlock the process when the value of the checked process recipe is not within the tolerance range of the reference recipe value. 20. The semiconductor equipment control method according to claim 18, further comprising updating the final modification time of the reference recipe stored in the host to be equal to the final modification time of the process recipe when the value of the process recipe is within the tolerance range of the reference recipe value.