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:
Sep. 23, 2025

Filed:

Nov. 23, 2023
Applicant:

Powerchip Semiconductor Manufacturing Corporation, Hsinchu, TW;

Inventors:

Chun-Chi Chou, Hsinchu, TW;

Chung-Ming Kuo, Hsinchu County, TW;

Bo-An Tsai, Hsinchu, TW;

Shyng-Yeuan Che, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 23/00 (2006.01); H01L 21/67 (2006.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6833 (2013.01); H01L 21/67098 (2013.01);
Abstract

The present disclosure provides a wafer chuck including a substrate and a heating/cooling wafer. The substrate includes a first surface facing a wafer to be carried and a second surface opposite to the first surface. The heating/cooling wafer is disposed on the first surface of the substrate and includes a plurality of heating/cooling units arranged in an array. In a direction perpendicular to the first surface, the positions of the heating/cooling units and the positions of a plurality of dies included in the wafer to be carried are corresponded with each other, and the heating/cooling units can heat or cool the corresponding dies individually.


Find Patent Forward Citations

Loading…