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.:
Date of Patent:
Jul. 16, 2019
Filed:
Jul. 17, 2017
Industrial Technology Research Institute, Hsinchu, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
A contactless dual-plane positioning method is disclosed. In this method, an X ray is provided. The X ray passes through a first test piece along a light incident axis. A scattering pattern generated by the X ray passing through the first test piece, and a scatting light intensity corresponding to the scattering pattern are obtained. According to the scattering light intensity, the first test piece is pivoted along a first axis or a second axis until the scattering intensity is greater than or equal to a predetermined intensity. At least three measurement distances between a second test piece and the first test piece are then obtained. According to the measurement distances, an included angle between the second test piece and the light incident axis is adjusted by pivoting the second test piece along a third axis or a fourth axis until the differences between any two measurement distances are less than a predetermined threshold value.