Invention Grant
- Patent Title: Method of manufacturing finger electrode for solar cell and finger electrode for solar cell manufactured thereby
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Application No.: US15698873Application Date: 2017-09-08
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Publication No.: US10686083B2Publication Date: 2020-06-16
- Inventor: Dong Il Shin , Seok Hyun Jung
- Applicant: SAMSUNG SDI CO., LTD.
- Applicant Address: KR Yongin-si, Gyeonggi-do
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si, Gyeonggi-do
- Agency: Lee IP Law, PC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@11a6071f
- Main IPC: H01L31/18
- IPC: H01L31/18 ; H01L31/0224 ; H01B1/22

Abstract:
A method of manufacturing a finger electrode for a solar cell includes printing a conductive paste on a front surface of a substrate using a printing mask having an opening rate of 65% or more, and baking the printed conductive paste. The conductive paste may include a conductive powder, a glass frit, and an organic vehicle, and the conductive powder may include a first conductive powder having a particle diameter (D50) of about 0.1 μm to about 1.5 μm and a second conductive powder having a particle diameter (D50) of greater than 1.5 μm to about 5 μm, and the conductive powder as a whole has a particle diameter (D10) of about 0.5 μm or less.
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