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:
Feb. 25, 2014
Filed:
Mar. 03, 2011
Applicant:
Shin Masuda, Miyagi, JP;
Inventor:
Shin Masuda, Miyagi, JP;
Assignee:
Advantest Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a test apparatus that tests a device under test including an optical coupler for transmitting optical signals in a surface direction and a first groove for holding an optical transmission path connected to the optical coupler. The test apparatus comprises a substrate on which the device under test is to be loaded; an optical transmission path to be connected to the optical coupler; and a pressing section that presses the optical transmission path from the substrate side toward the first groove. Also provided is a test method.