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:
Apr. 07, 2026
Filed:
Feb. 19, 2021
Applicant:
Japan Electronic Materials Corporation, Hyogo, JP;
Inventor:
Takashi Yoshida, Hyogo, JP;
Assignee:
JAPAN ELECTRONIC MATERIALS CORPORATION, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01); G01R 1/073 (2006.01); G01R 3/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2889 (2013.01); G01R 1/07314 (2013.01); G01R 3/00 (2013.01);
Abstract
An object is to provide an alignment chip for forming an alignment symbol on a wiring board of a probe card. Provided are: a substratehaving a pasting surface to be pasted to a probe installation surfaceof a wiring boardconstituting a probe cardvia an adhesive; and an alignment symbolmade of a metal filmformed on a symbol surface on a side opposite to the pasting surface of the substrate. The symbol surface includes a symbol peripheral regionsurrounding the alignment symbol, and the symbol peripheral regionhas a lower reflectance than the alignment symbol