Method of producing a substrate having areas of different...

Details Method of producing a substrate having areas of different... Method of producing a substrate having areas of different...

2006-09-14

2010-12-14

Zarneke, David A (Department: 2891)

Semiconductor device manufacturing: process

Coating with electrically or thermally conductive material

To form ohmic contact to semiconductive material

C257SE21575

Reexamination Certificate

active

07851344

ABSTRACT:
The present invention relates to flexible substrates having on their surface a wetting contrast. The wetting contrast comprises adjacent areas of different hydrophilicity and/or oleophilicity. The present invention further relates to methods of production of such substrates and to methods of producing microelectronic components wherein electronically functional material is deposited onto said substrates.According to a first aspect of the present invention, a method of producing a flexible substrate having a wetting contrast is provided. The method includes the step of forming a first area comprising an inorganic material on a flexible substrate precursor to form a substrate wherein the inorganic material is at least partially exposed at the substrate surface and the first area constitutes a pattern on the precursor surface.

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