Invention Grant
- Patent Title: Photovoltaic device and method for manufacturing photovoltaic device
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Application No.: US16499175Application Date: 2017-12-22
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Publication No.: US11302829B2Publication Date: 2022-04-12
- Inventor: Kunihiro Nakano , Kunta Yoshikawa , Takashi Kuchiyama
- Applicant: KANEKA CORPORATION
- Applicant Address: JP Osaka
- Assignee: KANEKA CORPORATION
- Current Assignee: KANEKA CORPORATION
- Current Assignee Address: JP Osaka
- Agency: Hauptman Ham, LLP
- Priority: JPJP2017-065645 20170329
- International Application: PCT/JP2017/046116 WO 20171222
- International Announcement: WO2018/179634 WO 20181004
- Main IPC: H01L31/0216
- IPC: H01L31/0216 ; H01L31/0224 ; H01L31/18

Abstract:
A photovoltaic device according to the present disclosure includes: a first-conductivity-type semiconductor film provided on a back side of a semiconductor substrate; a second-conductivity-type semiconductor film in which at least a part thereof is provided in a position different, in plan view, from a position of the first-conductivity-type semiconductor film on the back side of the semiconductor substrate; a protective film, which is formed on a back side of the first-conductivity-type semiconductor film and a back side of the second-conductivity-type semiconductor film, and which includes a conductive portion and a non-conductive transformed portion; and an electrode film formed on a back side of the conductive portion. The transformed portion of the protective film is provided along a conduction path between a back surface of the first-conductivity-type semiconductor film and a back surface of the second-conductivity-type semiconductor film.
Public/Granted literature
- US20210111287A1 PHOTOVOLTAIC DEVICE AND METHOD FOR MANUFACTURING PHOTOVOLTAIC DEVICE Public/Granted day:2021-04-15
Information query
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