Kevin E. Heidrich

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Beaverton, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Effective cell approximation model for logic structures
- Patent number 12,013,350
- Issue date Jun 18, 2024
- Onto Innovation Inc.
- Kevin Eduard Heidrich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Interferometric characterization of surface topography
- Patent number 10,488,184
- Issue date Nov 26, 2019
- Nanometrics Incorporated
- Kevin Eduard Heidrich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Determining overlay error using an in-chip overlay target
- Patent number 7,808,643
- Issue date Oct 5, 2010
- Nanometrics Incorporated
- Nigel P. Smith
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MASK AND PROCEDURE FOR PROCESS PERFORMANCE DETECTION
- Publication number 20240248045
- Publication date Jul 25, 2024
- ONTO INNOVATION INC.
- Kevin Eduard HEIDRICH
- G01 - MEASURING TESTING
Information Patent Application
EFFECTIVE CELL APPROXIMATION MODEL FOR LOGIC STRUCTURES
- Publication number 20220357286
- Publication date Nov 10, 2022
- ONTO INNOVATION INC.
- Kevin Eduard HEIDRICH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTI-LAYER CALIBRATION FOR EMPIRICAL OVERLAY MEASUREMENT
- Publication number 20220326626
- Publication date Oct 13, 2022
- ONTO INNOVATION INC.
- Nigel P. SMITH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INTERFEROMETRIC CHARACTERIZATION OF SURFACE TOPOGRAPHY
- Publication number 20170016715
- Publication date Jan 19, 2017
- Nanometrics Incorporated
- Kevin Eduard HEIDRICH
- G01 - MEASURING TESTING
Information Patent Application
Determining Overlay Error Using an In-chip Overlay Target
- Publication number 20090116014
- Publication date May 7, 2009
- Nanometrics Incorporated
- Nigel P. Smith
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Forming polysilicon structures
- Publication number 20040075119
- Publication date Apr 22, 2004
- Sanjay Natarajan
- H01 - BASIC ELECTRIC ELEMENTS