Inventor · disambiguated record
Alan B. Ray
Also filed as: RAY ALAN B
9 granted patents·2 pending applications·300 citations·filing 1986–2008
90Inventor score
Top patents by PatentIndex Score
11 records- 0195US7561280B2Displacement measurement sensor head and system having measurement sub-beams comprising zeroth order and first order diffraction componentsAGILENT TECHNOLOGIES INC·Filed 2008·Granted Jul 14, 2009·116 cites·21 claims
- 0290US7440113B2Littrow interferometerAGILENT TECHNOLOGIES INC·Filed 2005·Granted Oct 21, 2008·22 cites·56 claims
- 0386US4676868AMethod for planarizing semiconductor substratesFAIRCHILD SEMICONDUCTOR·Filed 1986·Granted Jun 30, 1987·89 cites·26 claims
- 0479US7224466B2Compact multi-axis interferometerAGILENT TECHNOLOGIES INC·Filed 2003·Granted May 29, 2007·25 cites·13 claims
- 0577US6806960B2Compact beam re-tracing optics to eliminate beam walk-off in an interferometerAGILENT TECHNOLOGIES INC·Filed 2002·Granted Oct 19, 2004·21 cites·20 claims
- 0675US7545507B2Displacement measurement systemAGILENT TECHNOLOGIES INC·Filed 2007·Granted Jun 9, 2009·4 cites·27 claims
- 0767US6897962B2Interferometer using beam re-tracing to eliminate beam walk-offAGILENT TECHNOLOGIES INC·Filed 2002·Granted May 24, 2005·14 cites·33 claims
- 0862US7130056B2System and method of using a side-mounted interferometer to acquire position informationAGILENT TECHNOLOGIES INC·Filed 2004·Granted Oct 31, 2006·7 cites·21 claims
- 0952US7705994B2Monolithic displacement measuring interferometer with spatially separated but substantially equivalent optical pathways and optional dual beam outputsAGILENT TECHNOLOGIES INC·Filed 2005·Granted Apr 27, 2010·2 cites·20 claims
- 1037US2005175217A1Using target images to determine a location of a stageFiled 2004·Application pending·0 cites
- 1130US2008079945A1Apparatus and Method to Quantify Laser Head Reference Signal ReliabilityFLOWERS JOHN P·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →