Measurement comparison of goniometric scatterometry and coherent Fourier scatterometry

J. Endres; N. Kumar; P. Petrik; M. -A. Henn; S. Heidenreich; S. F. Pereira; H. P. Urbach; B. Bodermann

doi:10.1117/12.2052819

1 May 2014 Measurement comparison of goniometric scatterometry and coherent Fourier scatterometry

J. Endres, N. Kumar, P. Petrik, M. -A. Henn, S. Heidenreich, S. F. Pereira, H. P. Urbach, B. Bodermann

Proceedings Volume 9132, Optical Micro- and Nanometrology V; 913208 (2014) https://doi.org/10.1117/12.2052819
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

Scatterometry is a common tool for the dimensional characterization of periodic nanostructures. In this paper we compare measurement results of two different scatterometric methods: a goniometric DUV scatterometer and a coherent scanning Fourier scatterometer. We present a comparison between these two methods by analyzing the measurement results on a silicon wafer with 1D gratings having periods between 300 nm and 600 nm. The measurements have been performed with PTB’s goniometric DUV scatterometer and the coherent scanning Fourier scatterometer at TU Delft. Moreover for the parameter reconstruction of the goniometric measurement data, we apply a maximum likelihood estimation, which provides the statistical error model parameters directly from measurement data.

Citation Download Citation

J. Endres, N. Kumar, P. Petrik, M. -A. Henn, S. Heidenreich, S. F. Pereira, H. P. Urbach, and B. Bodermann "Measurement comparison of goniometric scatterometry and coherent Fourier scatterometry", Proc. SPIE 9132, Optical Micro- and Nanometrology V, 913208 (1 May 2014); https://doi.org/10.1117/12.2052819

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available