The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 11, 2007

Filed:

Sep. 15, 2006
Applicant:

Yoshio Takami, Yokohama, JP;

Inventor:

Yoshio Takami, Yokohama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/55 (2006.01);
U.S. Cl.
CPC ...
Abstract

In an apparatus which determines characteristics of a thin film according to the present invention, a temporal change in a refractive index n and an extinction coefficient k of a thin film in a period from start of a change in the thin film as a processing target (e.g., melting) to end of the change (e.g., solidification) can be obtained with a high time resolution of pico-seconds. Based on this, it is possible to know a progress of a change in state of the thin film (e.g., crystallization) or a transition of growth of crystal grains in units of pico-seconds.


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