Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Patent
1996-02-15
1997-12-16
Young, Christopher G.
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
430396, 101132, G03F 900
Patent
active
056983514
ABSTRACT:
A method for producing a screen printing stencil comprises the following: applying at least one light-sensitive layer to an essentially closed covering surface of a cylindrical base body; removing portions of the light-sensitive layer from the covering surface in accordance with a prescribed screen pattern; filling the portions thus removed of the light-sensitive layer with metal for the purpose of forming a cylindrical screen; and removing the cylindrical screen from the base body. A hollow cylinder is used as the base body and is inflated via at least one of its ends by a compressed gas to such an extent that it obtains a circular cross-section.
REFERENCES:
patent: 4808790 (1989-02-01), Ruckl
patent: 4928593 (1990-05-01), Ruckl
patent: 5338627 (1994-08-01), Shigeta
Schablonentechnik Kufstein Aktiengesellschaft
Young Christopher G.
LandOfFree
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