Assignee
ULTRAPOINTE CORP
US·15 granted patents·1,431 citations·filing 1993–1999
Top patents by PatentIndex Score
15 records- 0198US5479252ALaser imaging system for inspection and analysis of sub-micron particlesULTRAPOINTE CORP·Filed 1993·Granted Dec 26, 1995·343 cites·29 claims
- 0297US5963314ALaser imaging system for inspection and analysis of sub-micron particlesULTRAPOINTE CORP·Filed 1996·Granted Oct 5, 1999·258 cites·51 claims
- 0395US5672861AMethod and apparatus for automatic focusing of a confocal laser microscopeULTRAPOINTE CORP·Filed 1995·Granted Sep 30, 1997·163 cites·30 claims
- 0494US6288782B1Method for characterizing defects on semiconductor wafersULTRAPOINTE CORP·Filed 1999·Granted Sep 11, 2001·110 cites·18 claims
- 0593US5808735AMethod for characterizing defects on semiconductor wafersULTRAPOINTE CORP·Filed 1996·Granted Sep 15, 1998·146 cites·14 claims
- 0691US5594235AAutomated surface acquisition for a confocal microscopeULTRAPOINTE CORP·Filed 1995·Granted Jan 14, 1997·108 cites·10 claims
- 0790US5783814AMethod and apparatus for automatically focusing a microscopeULTRAPOINTE CORP·Filed 1996·Granted Jul 21, 1998·86 cites·22 claims
- 0889US5923430AMethod for characterizing defects on semiconductor wafersULTRAPOINTE CORP·Filed 1997·Granted Jul 13, 1999·63 cites·25 claims
- 0976US5761336AAperture optimization method providing improved defect detection and characterizationULTRAPOINTE CORP·Filed 1996·Granted Jun 2, 1998·46 cites·16 claims
- 1066US6167148AMethod and system for inspecting the surface of a waferULTRAPOINTE CORP·Filed 1998·Granted Dec 26, 2000·37 cites·25 claims
- 1152US6148114ARing dilation and erosion techniques for digital image processingULTRAPOINTE CORP·Filed 1996·Granted Nov 14, 2000·21 cites·10 claims
- 1249US5798830AMethod of establishing thresholds for image comparisonULTRAPOINTE CORP·Filed 1996·Granted Aug 25, 1998·16 cites·20 claims
- 1346USH1530HSurface extraction from a three-dimensional data setULTRAPOINTE CORP·Filed 1993·Granted May 7, 1996·15 cites·9 claims
- 1443US5504630ABeam steering apparatusULTRAPOINTE CORP·Filed 1994·Granted Apr 2, 1996·10 cites·10 claims
- 1536US5557113AMethod and structure for generating a surface image of a three dimensional targetULTRAPOINTE CORP·Filed 1994·Granted Sep 17, 1996·9 cites·7 claims
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