Patent ID: 11872801
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 0:
1. A screen printing form (1, 1′) for use in a screen printing method, the screen printing form comprising:
a screen printing fabric (1b) with a multiplicity of elongate woven fabric elements, which are arranged in a first element direction and a second direction perpendicular thereto;
a stencil (1c) arranged on the screen printing fabric (1b), which has at least one opening formed as a straight channel with a channel width BK;
wherein the woven fabric elements have a first spacing (AF) in the first element direction and a spacing which deviates by less than 5% from the first spacing (AF) in the second element direction, and the woven fabric elements have a diameter (DG) in the first element direction and a first diameter which deviates by less than 5% from the first diameter (DG) in the second element direction;
the channel (1d) encloses with the first element direction an angle (φ) with a tolerance of +/−0.1°, and the channel width BK of the channel is less than or equal to a maximum width (BKmax) associated with the angle (φ), wherein the angle (φ) is one of the following:
the angle φ[°] from the group 11.31°, 14.04°, 18.44°, 26.57°, 45° with an associated maximum width (BKmax) [μm] according to

BKmax=(2DG+AF)sin φ+DG cos φ

or
the angle φ[°]=33.69°, with an associated maximum width (BKmax) [μm] according to

BKmax=(2DG+AF)cos φ+DG sin φ,

and the channel width (BK) is smaller than the spacing between two woven fabric elements in the second thread direction and in the first thread direction.