US 12,284,841 B2
Coated steel plate suitable for inline thin-film photovoltaic module and manufacturing method therefor
Wenqi Fang, Shanghai (CN); Zhaohui Qiao, Shanghai (CN); and Yigang Dai, Shanghai (CN)
Assigned to BAOSHAN IRON & STEEL CO., LTD., Shanghai (CN)
Appl. No. 18/260,197
Filed by BAOSHAN IRON & STEEL CO., LTD., Shanghai (CN)
PCT Filed Dec. 1, 2021, PCT No. PCT/CN2021/134805
§ 371(c)(1), (2) Date Jun. 30, 2023,
PCT Pub. No. WO2022/151857, PCT Pub. Date Jul. 21, 2022.
Claims priority of application No. 202110036449.3 (CN), filed on Jan. 12, 2021.
Prior Publication US 2024/0063319 A1, Feb. 22, 2024
Int. Cl. H10F 77/169 (2025.01); H10F 77/70 (2025.01)
CPC H10F 77/169 (2025.01) [H10F 77/707 (2025.01)] 18 Claims
OG exemplary drawing
 
1. A coated steel plate suitable for an inline thin-film photovoltaic module, comprising a steel substrate and a composite insulating layer on a surface of the steel substrate, wherein
the composite insulating layer comprises an insulating base layer and a laser scribing buffer layer; one side of the insulating base layer is the steel substrate, and the other side is the laser scribing buffer layer; and
the laser scribing buffer layer contains at least one of the following components:
SixNy, where 0.75≤x: y≤1; and
Si1-x′(R)x′Oy′, where R is at least one element selected from Sb, Au, Cu, Sn, and Ag, and 0<x′≤0.05, 1.9≤y′≤2.