Patent Number: 8,795,549

Title: Printable medium for etching oxidic, transparent and conductive layers

Abstract: The present invention relates to novel printable etching media having improved properties for use in the process for the production of solar cells. These are corresponding particle-containing compositions by means of which extremely fine lines and structures can be etched very selectively without damaging or attacking adjacent areas.

Inventors: Stockum; Werner (Reinheim, DE), Kuebelbeck; Armin (Bensheim, DE)

Assignee: Merck Patent GmbH

International Classification: C09K 13/06 (20060101); H01B 13/00 (20060101); C09K 13/00 (20060101)

Expiration Date: 8/05/12018