Patent Number: 
Section: claims

1. A method of improving pattern edge resolution during exposure of a photoresist to a particle beam by using a beam exposure correction for deflector voltages, comprising:determining a correction value using a previous deflector voltage value, a current deflector voltage value, and an exposure time of the current deflector voltage value, wherein the correction value is obtained from look-up tables using the current deflector voltage value as a reference; anddetermining a corrected deflector voltage value by adding the correction value to the current deflector voltage value. 2. The method of claim 1, wherein the determining a correction value includes calculating the current deflector voltage value. 3. The method of claim 1, further including calculating a voltage step value by subtracting the previous deflector voltage value from the current deflector voltage value. 4. The method of claim 1, wherein determining a correction value includes determining a plurality of sub-range correction values. 5. The method of claim 1, further including determining a voltage sub-range of the current voltage deflector value. 6. A method of achieving high writing throughput of a particle beam lithography device, while reducing oscillation or ringing of a deflector voltage, by providing correction for deflector voltages, comprising:determining a voltage step value by subtracting a previous deflector voltage value from a current deflector voltage value;determining a plurality of correction values using the voltage step value and an exposure time for the current deflector voltage value;selecting a current voltage correction value from the plurality of correction values using the current deflector voltage value; anddetermining a corrected deflector voltage value by adding the current voltage correction value to the current deflector voltage value. 7. The method of claim 6, wherein determining a voltage step value includes calculating the voltage step value. 8. The method of either one of claims 6 or 7, wherein determining a plurality of correction values includes providing the voltage step value and the exposure time to at least one look-up table. 9. The method of claim 8, wherein the at least one look-up table is a plurality of look-up tables, and wherein each of the look-up tables outputs one of the plurality of correction values. 10. The method of claim 9, wherein each of the look-up tables is associated with a unique sub-range of a plurality of sub-ranges of potential deflector voltage values. 11. The method of claim 10, wherein selecting a current correction value includes determining the unique subrange of the plurality of sub-ranges of potential deflector voltage values in which the current deflector voltage value is included. 12. The method of claim 11, wherein selecting a current correction value includes selecting the output of the look-up table associated with the unique sub range. 13. The method of claim 6, wherein the determining a corrected deflector voltage value includes calculating the corrected deflected voltage value. 14. A software system which supplies instructions to apparatus used to improve pattern edge resolution during exposure of a photoresist to a particle beam, wherein the software system provides correction for deflector voltages, comprising:at least one module for determining a correction value using a previous deflector voltage value, a current deflector voltage value, and an exposure time for the current deflector voltage value; andat least one module for calculating a corrected deflector voltage value by adding the correction value to the current deflector voltage value. 15. The method of claim 14, wherein the at least one module for determining a correction value includes inputting the previous deflector voltage value, the current deflector voltage value, and the exposure time for the current deflector voltage value into at least one look-up table. 16. The method of claim 14, further including at least one module for calculating a voltage step value by subtracting the previous deflector voltage value from the current deflector voltage value. 17. The method of claim 14, wherein the at least one module for determining a correction value includes determining a plurality of sub-range correction values. 18. The method of claim 14, further including at least one module for determining a voltage sub-range of the current voltage deflector value. 19. A software system which supplies instructions to apparatus used to achieve high writing throughput of a particle beam lithography device, while reducing oscillation or ringing of a deflector voltage, wherein the software system provides correction for deflector voltages, comprising:at least one module for calculating a voltage step value by subtracting a previous deflector voltage value from a current deflector voltage value;at least one module for determining a plurality of correction values using the voltage step value and an exposure time for the current deflector voltage value;at least one module for selecting a current voltage correction value from the plurality of correction values using the current deflector voltage value; andat least one module for calculating a corrected deflector voltage value by adding the current voltage correction value to the current deflector voltage value. 20. The method of claim 19, wherein the at least one module for determining a plurality of correction values includes providing the voltage step value and the exposure time to at least one look-up table. 21. The method of claim 20, wherein the at least one look-up table is a plurality of look-up tables, and wherein each of the look-up tables outputs one of the plurality of correction values. 22. The method of claim 21, wherein each of the look-up tables is associated with a unique sub-range of a plurality of sub-ranges of potential deflector voltage values. 23. The method of claim 22, wherein the at least one module for selecting a current correction value includes determining the unique sub-range of the plurality of sub-ranges of potential deflector voltage values in which the current deflector voltage value is included. 24. The method of claim 23, wherein the at least one module for selecting a current correction value includes selecting the output of the look-up table associated with the unique sub-range.