Method of forming stable images in electron beam writable glass compositions

US5114813A · kind A · utility

Assignee

• Schott Glass Technologies Co. Ltd. · US

Inventors

• Stephen W. Smoot · Wilkes-Barre, US
• Joseph Hayden · Clarks Summit, US
• Marc Clement · Mainz, DE
• Danuta Grabowski · Wiesbaden, DE
• Eva Holzel · Ingelheim am Rhein, DE
• Peter Nass · Mainz, DE
• Martin Heming · Saulheim, DE

Key dates

• Filing date: Feb 8, 1990
• Grant date: May 19, 1992
• Expiry date: Feb 8, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/315
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

Silicate glasses are provided which when exposed to a silver ion exchange surface treatment are writable with electron beams. These glasses contain OD agents and do not require elements having 1-4 d-electrons in the atomic state.