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:
Apr. 14, 2025

Filed:

Feb. 28, 2024
Applicant:

Zhejiang Jinko Solar Co., Ltd., Zhejiang, CN;

Inventors:

Xiu Feng, Zhejiang, CN;

Menglei Xu, Zhejiang, CN;

Jie Yang, Zhejiang, CN;

Xinyu Zhang, Zhejiang, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0224 (2005.12); H01L 31/0236 (2005.12); H01L 31/18 (2005.12);
U.S. Cl.
CPC ...
H01L 31/022441 (2012.12); H01L 31/18 (2012.12); H01L 31/02363 (2012.12);
Abstract

A method for manufacturing a back-contact solar cell and a back-contact solar cell are provided. The method includes the following. A substrate having a first surface is provided, where the first surface includes first regions and second regions that are alternatingly arranged in a preset direction. First doping layers are formed over the first regions, second doping layers having different conductivity types of the first doping layers are formed over the second regions, and a mask layer is formed on the first doping layers. The respective second doping layer includes two first portions and a second portion arranged in the preset direction, the first portion is abutted on the respective first doping layer.


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