TEXTURING MULTICRYSTALLINE SILICON
First Claim
Patent Images
1. A method of texturing a surface of a multicrystalline silicon substrate comprising:
- drop on demand printing a patterned mask on a surface of a multicrystalline silicon substrate; and
etching the masked surface of the multicrystalline silicon substrate to form an etched surface.
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Abstract
Techniques are disclosed for surface texturing multicrystalline silicon using drop jetting technology to form mask or etch patterns on a surface of a multicrystalline silicon substrate.
100 Citations
27 Claims
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1. A method of texturing a surface of a multicrystalline silicon substrate comprising:
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drop on demand printing a patterned mask on a surface of a multicrystalline silicon substrate; and etching the masked surface of the multicrystalline silicon substrate to form an etched surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of texturing a surface of a multicrystalline silicon substrate comprising:
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using a drop jetting apparatus to form a patterned mask on a surface of a multicrystalline silicon substrate; and etching the masked surface of the multicrystalline silicon substrate to form an etched surface. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of texturing a surface of a multicrystalline silicon substrate comprising:
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drop on demand printing a patterned etching layer on a surface of a multicrystalline silicon substrate; allowing the etching layer to etch the surface of the multicrystalline silicon substrate; cleaning the etched surface of the multicrystalline silicon substrate. - View Dependent Claims (18, 19)
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20. A method of texturing a surface of a multicrystalline silicon substrate comprising:
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using a drop jetting apparatus to form a patterned etching layer on a surface of a multicrystalline silicon substrate; allowing the etching layer to etch the surface of the multicrystalline silicon substrate; cleaning the etched surface of the multicrystalline silicon substrate. - View Dependent Claims (21, 22)
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23. A method of texturing a surface of a multicrystalline silicon substrate comprising:
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drop on demand printing a first mask having a first mask pattern on a surface of a multicrystalline silicon substrate; etching the masked surface of the multicrystalline silicon substrate to form an etched surface; removing the first mask; drop on demand printing a second mask having a second mask pattern on the etched surface, wherein the second mask pattern is different from the first mask pattern; etching the masked surface of the multicrystalline silicon substrate to form a further etched surface; removing the second mask. - View Dependent Claims (24, 25, 26, 27)
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Specification