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Browse by Category: Main > Information Technology
Class Information
Number: 716/21
Name: Data processing: design and analysis of circuit or semiconductor mask > Design of semiconductor mask > Pattern exposure
Description: Subject matter including means or steps for tracing or drawing an electronic pattern on a semiconductor wafer or mask with particle beam.


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
7623220 Source optimization for image fidelity and throughput Nov. 24, 2009
7620932 Simulation of aerial images Nov. 17, 2009
7619230 Charged particle beam writing method and apparatus and readable storage medium Nov. 17, 2009
7620930 Method, program product and apparatus for model based scattering bar placement for enhanced depth of focus in quarter-wavelength lithography Nov. 17, 2009
7620931 Method of adding fabrication monitors to integrated circuit chips Nov. 17, 2009
7617477 Method for selecting and optimizing exposure tool using an individual mask error model Nov. 10, 2009
7617476 Method for performing pattern pitch-split decomposition utilizing anchoring features Nov. 10, 2009
7617474 System and method for providing defect printability analysis of photolithographic masks with job-based automation Nov. 10, 2009
7617473 Differential alternating phase shift mask optimization Nov. 10, 2009
7617478 Flash-based anti-aliasing techniques for high-accuracy high efficiency mask synthesis Nov. 10, 2009
7614033 Mask data preparation Nov. 3, 2009
7614034 Method and apparatus for generating OPC rules for placement of scattering bar features utilizing interface mapping technology Nov. 3, 2009
7614032 Method for correcting a mask design layout Nov. 3, 2009
7614031 Drawing apparatus with drawing data correction function Nov. 3, 2009
7614026 Pattern forming method, computer program thereof, and semiconductor device manufacturing method using the computer program Nov. 3, 2009
7610574 Method and apparatus for designing fine pattern Oct. 27, 2009
7603648 Mask design using library of corrections Oct. 13, 2009
7600213 Pattern data verification method, pattern data creation method, exposure mask manufacturing method, semiconductor device manufacturing method, and computer program product Oct. 6, 2009
7600212 Method of compensating photomask data for the effects of etch and lithography processes Oct. 6, 2009
7598006 Method and apparatus for embedded encoding of overlay data ordering in an in-situ interferometer Oct. 6, 2009
7596776 Light intensity distribution simulation method and computer program product Sep. 29, 2009
7594199 Method of optical proximity correction design for contact hole mask Sep. 22, 2009
7594206 Fault detecting method and layout method for semiconductor integrated circuit Sep. 22, 2009
7594213 Method and apparatus for computing dummy feature density for chemical-mechanical polishing Sep. 22, 2009
7594216 Method and system for forming a mask pattern, method of manufacturing a semiconductor device, system forming a mask pattern on data, cell library and method of forming a photomask Sep. 22, 2009
7590968 Methods for risk-informed chip layout generation Sep. 15, 2009
7590967 Structured ASIC with configurable die size and selectable embedded functions Sep. 15, 2009
7589819 Method for the generation of variable pitch nested lines and/or contact holes using fixed size pixels for direct-write lithographic systems Sep. 15, 2009
7587704 System and method for mask verification using an individual mask error model Sep. 8, 2009
7587703 Layout determination method, method of manufacturing semiconductor devices, and computer readable program Sep. 8, 2009
7587702 Step-walk relaxation method for global optimization of masks Sep. 8, 2009
7587700 Process monitoring system and method for processing a large number of sub-micron measurement targets Sep. 8, 2009
7585600 Method and apparatus for performing target-image-based optical proximity correction Sep. 8, 2009
7584450 Method and apparatus for using a database to quickly identify and correct a manufacturing problem area in a layout Sep. 1, 2009
7579606 Method and system for logic design for cell projection particle beam lithography Aug. 25, 2009
7581203 Method and apparatus for manufacturing multiple circuit patterns using a multiple project mask Aug. 25, 2009
7572557 Non-collinear end-to-end structures with sub-resolution assist features Aug. 11, 2009
7571423 Optimized photomasks for photolithography Aug. 4, 2009
7571421 System, method, and computer-readable medium for performing data preparation for a mask design Aug. 4, 2009
7571417 Method and system for correcting a mask pattern design Aug. 4, 2009
7571416 Automatic design device, method, and program for semiconductor integrated circuits Aug. 4, 2009
7569842 Method for correcting electron beam exposure data Aug. 4, 2009
7569310 Sub-resolution assist features for photolithography with trim ends Aug. 4, 2009
7571424 Diffused aerial image model semiconductor device fabrication Aug. 4, 2009
7568180 Generalization of the photo process window and its application to OPC test pattern design Jul. 28, 2009
7568174 Method for checking printability of a lithography target Jul. 28, 2009
7564535 Seamless exposure with projection system comprises array of micromirrors with predefined reflectivity variations Jul. 21, 2009
7565633 Verifying mask layout printability using simulation with adjustable accuracy Jul. 21, 2009
7565639 Integrated assist features for epitaxial growth bulk tiles with compensation Jul. 21, 2009
7562336 Contrast based resolution enhancement for photolithographic processing Jul. 14, 2009

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