Patent Number: 
Section: claims

1. A writing error diagnosis method for a charged beam photolithography apparatus, the apparatus irradiates a charged beam on a target object to write a desired pattern, comprising:collecting processing result data of a pattern writing circuit at a position where a pattern writing error occurs after the pattern writing error occurs; andcomparing the collected processing result data with correct data. 2. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 1, whereinthe collection of processing result data of a pattern writing circuit at a position where a pattern writing error occurs is performed by:inputting position information of the position where the pattern writing error occurs and a pattern writing condition in pattern writing at the position where the pattern writing error occurs to the pattern writing circuit;executing processing of the pattern writing circuit; andstopping the processing of the pattern writing circuit at the position where the pattern writing error occurs. 3. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 1, whereinthe correct data is simulation result data processed in the charged beam photolithography apparatus. 4. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 1, whereinthe correct data is processing result data of the pattern writing circuit obtained by executing a pattern writing process in advance. 5. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 1, whereinthe position information is data obtained in such a manner that layout data including a pattern at the pattern writing error occurrence position is converted for the charged beam photolithography apparatus. 6. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 1, whereinwhen the pattern writing circuit is constituted by a plurality of circuit boards, the collection of the processing result data and the comparison of the processing result data with correct data are performed for each of the circuit boards. 7. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 1, whereina result obtained by the comparison is displayed on a display device. 8. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 2, whereinstopping of the processing of the pattern writing circuit at the position where the pattern writing error occurs is performed on the basis of a coordinate position of the error occurrence position. 9. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 2, whereinthe collection of processing result data of the pattern writing circuit at a position where the pattern writing error occurs is performed by storing the processing result data of the pattern writing circuit at a timing when the processing is stopped at the pattern writing error occurrence position in storage means, and reading the processing result data stored in the storage means. 10. The writing error diagnosis method for a charged beam photolithography apparatus according to claim 1, whereinthe charged beam is an electron beam. 11. A charged beam photolithography apparatus, the apparatus irradiates a charged beam on a target object to write a desired pattern, comprising:collecting means for collecting processing result data of a pattern writing circuit at a position where a pattern writing error occurs after the pattern writing error occurs; andcomparing means for comparing the collected processing result data of the pattern writing circuit at the position where the pattern writing error occurs with correct data. 12. The charged beam photolithography apparatus according to claim 11, whereinthe collecting means includes:input means for inputting position information of the position where the pattern writing error occurs and a pattern writing condition in pattern writing at the position where the pattern writing error occurs to the pattern writing circuit;executing means for executing processing of the pattern writing circuit; andstop means for stopping the processing of the pattern writing circuit at the position where the pattern writing error occurs. 13. The charged beam photolithography apparatus according to claim 11, whereinthe correct data is simulation result data processed in the charged beam photolithography apparatus. 14. The charged beam photolithography apparatus according to claim 11, whereinthe correct data is processing result data of the pattern writing circuit obtained by executing a pattern writing process in advance. 15. The charged beam photolithography apparatus according to claim 11, whereinthe position information is data obtained in such a manner that layout data including a pattern at the pattern writing error occurrence position is converted for the charged beam photolithography apparatus. 16. The charged beam photolithography apparatus according to claim 11, whereinwhen the pattern writing circuit is constituted by a plurality of circuit boards, the collection of the processing result data and the comparison of the processing result data with correct data are performed for each of the circuit boards. 17. The charged beam photolithography apparatus according to claim 11, further comprisingdisplay means for displaying a result obtained by the comparing means on a display device. 18. The charged beam photolithography apparatus according to claim 12, whereinthe stop means is means for stopping the processing on the basis of a coordinate position of the error occurrence position. 19. The charged beam photolithography apparatus according to claim 12, whereinthe collecting means includes storage means for storing the processing result data of the pattern writing circuit at a timing when the processing is stopped at the pattern writing error occurrence position, and reading means which reads the processing result data stored in the storage means. 20. The charged beam photolithography apparatus according to claim 11, whereinthe charged beam is an electron beam.