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.

Patent No.:

US 7210340 B1

PDF
Full Text
Expired
Date of Patent:
May. 01, 2007

Filed:

May. 26, 2005
Applicant:

Mao-nan Chang, Hsinchu, TW;

Inventor:

Mao-Nan Chang, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 13/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention discloses a front-wing cantilever for the conductive probe of electrical scanning probe microscopes, wherein two symmetrical front wings are installed to extend from two lateral sides of the front end of the cantilever so that those two front wings are positioned on two lateral sides of the conductive tip. The front-wing structure of the cantilever can effectively inhibit the optical perturbation in the electrical scanning probe microscopes and obviously promote the analysis accuracy thereof. The front-wing structure can provide the scanned region with an effective dark field lest the optical absorption appears in the scanned region of semiconductor specimen and inhibit the optical perturbation occurs during the measurement and analysis of the differential capacitance.


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