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.

Date of Patent:
Jan. 11, 2022

Filed:

Sep. 29, 2017
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Shigeru Kasai, Nirasaki, JP;

Yoshinori Fujisawa, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2020.01); G01R 1/067 (2006.01); G01R 31/28 (2006.01); G01R 1/04 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2601 (2013.01); G01R 1/06711 (2013.01); G01R 31/2635 (2013.01); G01R 31/2875 (2013.01); G01R 31/2877 (2013.01); G01R 1/0416 (2013.01);
Abstract

Provided is an electronic device inspection apparatus that suppresses cost increase. A prober is provided with a stage on which a carrier or a wafer is placed. The stage is provided with a stage cover on which the carrier is placed, a cooling unit in contact with the stage cover, and an LED irradiation unit facing the carrier across the stage cover and the cooling unit. Each of the stage cover and the cooling unit is formed of light-transmitting material. A light-transmitting coolant flows in a coolant flow path in the cooling unit. The LED irradiation unit has a plurality of LEDs oriented to the carrier. The carrier is formed of a glass substrate having a substantially disk-like shape. A plurality of electronic devices is arranged on a surface of the carrier at predetermined intervals.


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