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Class Information
Number: 257/48
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Test or calibration structure
Description: Subject matter in which structures are provided on active solid-state devices to permit or facilitate the measurement, test, or calibration of the characteristics of the devices.


Patents under this class:
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Patent Number Title Of Patent Date Issued
6541777 Optical sensing and control of ultraviolet fluid treatment dynamics Apr. 1, 2003
6541770 Charged particle system error diagnosis Apr. 1, 2003
6538264 Semiconductor reliability test chip Mar. 25, 2003
6534785 Reduced terminal testing system Mar. 18, 2003
6534786 Semiconductor device having a test element, and method of manufacturing the same Mar. 18, 2003
6531709 Semiconductor wafer and fabrication method of a semiconductor chip Mar. 11, 2003
6528817 Semiconductor device and method for testing semiconductor device Mar. 4, 2003
6528818 Test structures and methods for inspection of semiconductor integrated circuits Mar. 4, 2003
6525343 Micro-chip for chemical reaction Feb. 25, 2003
6521910 Structure of a test key for monitoring salicide residue Feb. 18, 2003
6518593 Integrated circuit and method of designing integrated circuit Feb. 11, 2003
6518592 Apparatus, method and pattern for evaluating semiconductor device characteristics Feb. 11, 2003
6518591 Contact monitor, method of forming same and method of analizing contact-, via- and/or trench-forming processes in an integrated circuit Feb. 11, 2003
6512289 Direct current regulation on integrated circuits under high current design conditions Jan. 28, 2003
6509582 Semiconductor pad construction enabling pre-bump probing by planarizing the post-sort pad surface Jan. 21, 2003
6507044 Position-selective and material-selective silicon etching to form measurement structures for semiconductor fabrication Jan. 14, 2003
6507076 Microwave transistor subjected to burn-in testing Jan. 14, 2003
6504223 Contact structure and production method thereof and probe contact assembly using same Jan. 7, 2003
6501683 Nonvolatile semiconductor memory device Dec. 31, 2002
6496959 Method and system for estimating plasma damage to semiconductor device for layout design Dec. 17, 2002
6495855 Semiconductor device Dec. 17, 2002
6495856 Semiconductor device having a test pattern same as conductive pattern to be tested and method for testing semiconductor device for short-circuit Dec. 17, 2002
6492187 Method for automatically positioning electronic die within component packages Dec. 10, 2002
6489800 Method of testing an integrated circuit Dec. 3, 2002
6486492 Integrated critical dimension control for semiconductor device manufacturing Nov. 26, 2002
6486493 Semiconductor integrated circuit device having hierarchical test interface circuit Nov. 26, 2002
6485991 System and method for output track unit detection and safe storage tube removal Nov. 26, 2002
6476414 Semiconductor device Nov. 5, 2002
6472748 System and method for providing MMIC seal Oct. 29, 2002
6469316 Test structure to monitor the effects of polysilicon pre-doping Oct. 22, 2002
6469396 Integrated circuit chip having input/output terminals for testing and operation Oct. 22, 2002
6469909 MEMS package with flexible circuit interconnect Oct. 22, 2002
6461880 Method for monitoring silicide failures Oct. 8, 2002
6455334 Probe grid for integrated circuit analysis Sep. 24, 2002
6455352 Pin array assembly and method of manufacture Sep. 24, 2002
6452502 Method and apparatus for early detection of reliability degradation of electronic devices Sep. 17, 2002
6452209 Semiconductor devices having backside probing capability Sep. 17, 2002
6452208 Semiconductor chip including a reference element having reference coordinates Sep. 17, 2002
6448664 Ball grid array chip packages having improved testing and stacking characteristics Sep. 10, 2002
6448575 Temperature control structure Sep. 10, 2002
6448098 Detection of undesired connection between conductive structures within multiple layers on a semiconductor wafer Sep. 10, 2002
6449748 Non-destructive method of detecting die crack problems Sep. 10, 2002
6445002 SRAM-based semiconductor integrated circuit testing element Sep. 3, 2002
6445001 Semiconductor device with flip-chip structure and method of manufacturing the same Sep. 3, 2002
6444483 Method and apparatus of producing partial-area mask data files Sep. 3, 2002
6441469 Semiconductor memory configuration with dummy components on continuous diffusion regions Aug. 27, 2002
6441398 Algorithm for detecting sloped contact holes using a critical-dimension waveform Aug. 27, 2002
6441397 Evaluation of semiconductor chargeup damage and apparatus therefor Aug. 27, 2002
6441396 In-line electrical monitor for measuring mechanical stress at the device level on a semiconductor wafer Aug. 27, 2002
6437436 Integrated circuit chip package with test points Aug. 20, 2002

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