Process and device for production of three-dimensional structures through optically stimulated precipitation of a material from a fluidic compound

US5705235A · kind A · utility

Assignee

• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Olaf Lehmann · Göttingen, DE
• Michael Stuke · Göttingen, DE

Key dates

• Filing date: Sep 20, 1996
• Grant date: Jan 6, 1998
• Expiry date: Sep 20, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C23C16/01
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

For the manufacturing using an LCVD process of a rod-shaped, three-dimensional structure extending into three dimensions, two laser beams (12, 13) are focused on a common focal point (12a) in a gaseous or liquid medium containing a compound which produces the structure material when decompounded by the laser beams. In this way, structures which extend three-dimensionally may also be made from minimally absorbent materials which are essentially transparent. This additionally allows for good control of the direction of the growth of the structure.