Geometrical instruments – Scriber – Graduating
Reexamination Certificate
2009-10-09
2011-12-27
Brewster, William M. (Department: 2823)
Geometrical instruments
Scriber
Graduating
C136S244000, C438S244000
Reexamination Certificate
active
08082672
ABSTRACT:
A method for forming one or more patterns for a thin film photovoltaic material. The method includes providing a substrate including a molybdenum layer and an overlying absorber comprising a copper bearing species and a window layer comprising a cadmium bearing species. The substrate is supported to expose a surface of the window layer. In a specific embodiment, the method includes using a scribe device. The scribe device includes a scribe having a tip. The scribe device is configured to pivot about one or more regions and configured to apply pressure to the tip, such that the tip is placed on a selected region of the window layer or the absorber layer. The method moves the scribe device relative to the substrate in a direction to form a pattern on at least the window layer or the absorber layer at a determined speed maintaining the molybdenum layer free from the pattern.
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Brewster William M.
Stion Corporation
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