Screen printing form for use in a screen printing method, screen printing device, and screen printing method

US11872801B2 · kind B2 · utility

Assignee

• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

• Sebastian TEPNER · Freiburg (Elbe), DE
• Maximilian Pospischil · Glückstadt, DE
• Andreas Lorenz · Erlangen, DE
• Linda Ney · Freiburg (Elbe), DE
• Michael H. Linse · Corvallis, US
• Florian Clement · Freiburg (Elbe), DE

Key dates

• Filing date: Aug 3, 2020
• Grant date: Jan 16, 2024
• Expiry date: Nov 29, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/50
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A screen printing form (1, 1′) for use in screen printing, in particular for producing a metallic contact structure of a photovoltaic solar cell, having a woven screen printing fabric (1b) with a plurality of elongate woven fabric elements, which are arranged in a first element direction and a second element direction perpendicular thereto, and a stencil (1c), arranged on the woven screen printing fabric (1b) that has at least one opening formed as straight channel with a channel width BK. The woven fabric elements have a spacing AF in the first element direction and a spacing which deviates by less than 5% from AF in the second element direction, and the woven fabric elements have a diameter DG in the first element direction and a diameter which deviates by less than 5% from DG in the second element direction. A screen printing device and screen printing form are also provided.