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:
Jan. 15, 2019
Filed:
Mar. 16, 2016
Cascade Microtech, Inc., Beaverton, OR (US);
FormFactor Beaverton, Inc., Beaverton, OR (US);
Abstract
Test standards and methods for impedance calibration of a probe system and probe systems that include the test standards and/or utilize the methods are disclosed herein. The test standards include at least one test structure. In some embodiments, the test standard further includes an alignment structure that is associated with the test structure. In some embodiments, the test standards include a plurality of test structures. In some embodiments, the plurality of test structures includes a thin film thru test structure and a thin film offset test structure. In some embodiments, the plurality of test structures is positioned to simultaneously contact a plurality of probe regions of a probe head. The methods include methods of calibrating a probe system.