US 12,274,101 B2
Method of deposition on a substrate used for the manufacture of a solar cell, screen for screen printing on a substrate used for the manufacture of a solar cell, processing line for processing a substrate used for the manufacture of a solar cell
Davide Colla, Treviso (IT)
Assigned to APPLIED MATERIALS ITALIA S.R.L., San Biagio di Callalta (IT)
Appl. No. 18/710,346
Filed by APPLIED MATERIALS ITALIA S.R.L., San Biagio di Callalta (IT)
PCT Filed Nov. 17, 2021, PCT No. PCT/EP2021/081996
§ 371(c)(1), (2) Date May 15, 2024,
PCT Pub. No. WO2023/088552, PCT Pub. Date May 25, 2023.
Prior Publication US 2024/0429328 A1, Dec. 26, 2024
Int. Cl. H10F 77/20 (2025.01); H10F 19/90 (2025.01); H10F 71/00 (2025.01)
CPC H10F 77/211 (2025.01) [H10F 19/90 (2025.01); H10F 71/00 (2025.01)] 11 Claims
OG exemplary drawing
 
1. A method of deposition on a substrate used for the manufacture of a solar cell, comprising:
depositing a first conductive pattern on a first side of the substrate, the first conductive pattern being one of a plurality of busbars and a plurality of fingers;
providing a screen over the substrate, the screen comprising:
a set of openings; and
a bottom side having a varying vertical profile including a plurality of bottom portions and a plurality of top high portions, such that the plurality of bottom portions are positioned lower than the plurality of top portions;
transferring a printing material from the screen to the substrate through the set of openings to print a second conductive pattern on the first side of the substrate, the second conductive pattern being the other one of the plurality of busbars and the plurality of fingers,
wherein, during the printing of the second conductive pattern, the first conductive pattern is substantially wet and the screen is disposed over the substrate in a manner such that the plurality of top portions are elevated above the first conductive pattern, and
wherein the first conductive pattern has a first shape, wherein the plurality of top portions form a pattern having a second shape encompassing the first shape.