Shaping tool with a structured surface for producing structures on glass, and the application thereof for structuring channel plates

US6679085B1 · kind B1 · utility

Assignee

• Schott Glas · DE

Inventors

• Rudolf Singer · Engelstadt, DE
• Joachim Disam · Mainz, DE
• Christiane Baum · Louisville, US

Key dates

• Filing date: Dec 29, 2000
• Grant date: Jan 20, 2004
• Expiry date: Dec 29, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03B23/02
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

While avoiding the disadvantages of the screen printing technique employed until now, the invention provides a shaping tool (1) with a structured surface for creating structures on glass (2) which, in an economical way, makes it possible to form high-precision microstructures by local heating of the region of glass to be structured. The shaping tool (1) has a rolling cylinder (3) including a metal hollow cylinder (7) and a shaping sheet (8) secured in a surface contact to it, as well as a continuous shaft (5) for continuously driving the rolling cylinder (3) via drivers (4) coupled to the hollow cylinder (7). Between the shaft (5) and the hollow cylinder (7), an electric heater (6) for targeted local heating of the glass during structuring is disposed in an electrically insulated fashion. The electric heater (6) is advantageously thermally insulated from the shaft (5) with a ceramic cylinder (14).